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BLS Handbook of Methods Library of C ongress C ataloging in Publication Data U n ite d S t a t e s . B ureau o f L abor S t a t i s t i c s . BLS h a n d b o o k o f m e t h o d s f o r s u r v e y s a n d s t u d i e s . O r ig in a lly is s u e d u nder t i t l e : T e c h n iq u e s o f p r e p a r i n g m a j o r BLS s t a t i s t i c a l s e r i e s . I n c lu d e s b ib lio g r a p h ie s . S u p t. o f D o cs, n o . : L 2.3 1. L a b o r and la b o r in g c l a s s e s — U n ite d S t a t e s — S t a t is t ic a l s e r v ic e s . 2. I n d u s tr ia l s t a t i s t i c s . I. T itle . H D 8 o 6 U . U 5 1f 1 9 7 6 3 3 1 ' . 0 9 7 3 7 6 - 6 0 8 0 3 2 BLS Handbook of Methods for Surveys and Studies U.S. Department of Labor W. J. Usery, Jr., Secretary Bureau of Labor Statistics Julius Shiskin, Commissioner 1976 Bulletin 1910 For sale by the Superintendent of Documents, U.S. Government Printing Office Washington, D.C. 20402 - Price $3.50 Stock No. 029-001 -0 1 9 3 6 -0 Chapter revisions may be published from time-to-time before another complete revision of this Handbook is made. I f you have a specific interest and wish to make sure that the chapter you want is the latest available, please check with the nearest BLS Regional Office listed on the inside back cover of this bulletin. P refa ce The BLS Handbook of Methods for Surveys and Studies is a well-established tradition in the Bureau of Labor Statistics. The first edition, BLS Bulletin 993, issued in 1950, was a compendium of articles culled from the Monthly Labor Review. Its popularity, however, soon dictated that it become a publication in its own right. Subsequent editions — Bulletin 1168 in 1955, Bulletin 1458 in 1966, and Bulletin 1711 in 1971 — broadened the coverage and refined the explanations of the methods the Bureau uses in its many programs of collecting, analyzing, and presenting its statistical data. This edition carries on in that tradition. During the few years since the fourth edition was published, new series have been added and surveys undertaken to widen our understanding of the Nation’s economy and its changing composition. The new series explained in this Handbook include measures of unemployment in States and local areas, employment and wages data for workers covered by unemployment insurance laws, occupational employment statistics collected under the Federal-State cooperative program, international prices, an employment cost index, and workers covered by employment benefit plans. In addition, many of the chapters for the “ older” series have been updated to reflect the continuing improvements in the Bureau’ s methods and statistical techniques. For each major program there is a brief account of how it came into being and what it attempts to do. Where the basic data come from is noted, terms are defined, and the concepts adopted are outlined. Occasionally, for further clarification a form, a table, or a mathematical formulation is shown. Sources of additional information, some more technical, some more popular, are listed at the end of most chapters. The purpose is always to give the reader a clear understanding of the nature of the statistical data the Bureau produces. BLS statistics are used for many purposes, and sometimes the data well suited to one purpose may have limitations for another. The chapters in this Handbook contain the information neces sary for the user to evaluate the suitability of the statistics for the various uses to which they may be put. The chapters for the Handbook were written by members of the staffs of the various program offices of the Bureau and prepared for publication in the Office of Publications, Division of Special Publications, under the direction of Eugene H. Becker. Material in this publication is in the public domain and may be reproduced without permission of the Federal Government. Please credit the Bureau of Labor Statistics and cite the name and number of this publication. in Contents Page Introduction .............................................................................................................................................. 1 Current Employment Analysis Chapter: 1. Labor force, employment, and unemployment ..................... 5 2. Projections of the labor force ..................................................................................................... 24 Employment Structure and Trends 3. 4. 5. 6. 7. 8. 9. 10. Employment, hours, and earnings .............................................................................................. 26 Labor turnover .......................................................................................................................... 43 Occupational outlook ................................................................................................................. 49 National industry-occupational matrix ....................................................................................... 53 Occupational employment statistics ............................................................................................ 56 Occupational employment statistics survey ........................................................................... 57 The national/State industry-occupational matrix system ....................................................... 59 State and area occupational projections ................................................................................ 61 Measurement of unemployment in State and local areas ............................................................. 62 Employment and wages covered by unemploymentinsurance laws .............................................. 66 Characteristics of the insured unemployed.................................................................................. 74 Prices and Living Conditions 11. Consumer expenditures and income ........................................................................................... 12. Family budgets .......................................................................................................................... 13. Consumer prices .................................................................... 14. Wholesale prices ..................................................................................................................... 15. Industry price indexes ................................ 16. Spot market prices...................................... 17. International price indexes ....................................................................................................... 77 82 87 109 123 127 130 Wages and Industrial Relations 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. Occupational pay and supplementary benefits ........................................................................... Union wage rates ........................................ Current wage developments ....................... Measuring collective bargaining settlements .............................................................................. Wage chronologies and salary trend reports .............................................................................. Annual earnings and employment patterns of private nonagricultural workers ........................... Employer expenditures for employee compensation*.................................................................. The Employment Cost Index ....................... Employee benefit plans ............................... Work stoppages .......................................... Collective bargaining agreements................. Union and association membership .............. 135 146 154 161 167 170 175 184 192 195 203 207 Productivity and Technology 30. 31. Productivity measures: Private economy and major sectors ..................................................... 219 Output per employee hour-measures: Industries and the Federal Government .......................... 225 v Contents— Conti nu ed Page 32. 33. 34. Technological change .......................................................... Construction labor requirements ......................................... Foreign labor statistics and trade research ........................... . 233 • 238 • 241 Occupational Safety and Health 35. Occupational safety and health statistics .............................. 245 Economic Trends 36. Economic growth studies ..................................................... 256 Systems and Standards 37. 258 Data processing at BLS Appendixes: A. B. C. 272 279 281 The BLS seasonal factor method Industrial classification ............ Geographic classification.......... vi I n t r o d u c t i o n T h e c o u n t r y is h u n g r y f o r i n f o r m a t i o n ; e v e r y t h i n g o f a s t a t i s t ic a l c h a r a c t e r , o r e v e n o f a s t a t i s t ic a l a p p e a r a n c e is t a k e n u p w it h a n e a g e r n e s s t h a t is a lm o s t p a t h e t ic ; t h e c o m m u n it y h a v e n o t y e t le a r n e d t o b e h a lf s k e p t ic a l a n d c r it ic a l e n o u g h in r e s p e c t t o s u c h s t a t e m e n t s . c o m t h p i t h t h e s e w o r d s G e n . F r a n c i s A . W a l k e r s h o u l d o f o f a r r o t h e l l M W r i g h a s s a c h t u i n 1 8 7 3 s e t t s B , u a s r e D a r . u W r i g h t a s s u m o f S t a t i s t i c s n e r e d c o l l u t h e h e n , f i r s t a s a n n u t a b l i s h t o f . S a l e d h i s o U . r e t h e p p o o o r e a d e r s t h e C m r t l i c p r e i s s i o i n y o o f a n d f i g u r e s m s e M f a r c h e x p l a i n t e d . F f L a 1 8 8 i n s e e k i n g n o a n d t o o e , v o x a o C h i s a r 6 g b c h a r g e L a a r , h e r r o l l b o r . o A n i s s u e d W r i g s t a t i s t i c a l i d m p l e m i s i n , m 9 I n t h e i t y 0 ) , a n s a m o d f e r e p o f i g u r e s r t t h e r e ( p . r e s t r i c t i o s a s n s 1 4 o a r e 1 ) , n p c o s t a t e m r o v e b r a l e g e o f m e n t s s o f n a r n i n g t o i n a d e q u a c i e s h a p p r a i s a l o c c u t r f r e i n q u i t i a l e t i o n s i t s o s u f r e n p t l y . t h e o D d r t , u r i n a t a c c e s s o r , t h e p u t h e b B d g e t h e f i n 9 0 l i s h u r e e a i t i o d u b o n t e s t i n g ( h e a d n o t e s t o a v a i l a b l e f o y e y f s , a r s t h L a m e b B o r e w t h h u S o i c r e t a d h a s , u o f t a b f o L a h x p m e l a i n r e l y e d a g a i n t o m a n a k e d a g t h e a i n . T h e r e a d e r s r e “ s k a s o n e p t i c o f f o a r d a w a l s o t o a n d t o o b s e b r e e d y b n a v o a n d h t r a l a g f r a a b e n r e a t i o . r e i d u f o T m d t h c t v e h n e l a m m e c y k e m t h e m e f i d o o u t i o i t t e i m B p a p p r a i s a l s e e o o o a w f o c e n r d f n c t h e p o f t e d o t v e l ,” n b e r n “ u l d e o e f x t e u n t t i o r k e o o “ t i o w b o r e e i s n n t i g s t a t i s t i c a l n , f r a n w d n h o f o e n n t i o o n n c e e s s s i t e a o b o m c p u t t n t o o f f e i n u c t t , t h e c d t h e I n C r y f o e r n c o l l e c t i n g a g e n c i e s a r a b i l i t y , o f i n - S e e I n d u s t r i a l D e p r e s s io n s , T h e F i r s t A n n u a l R e p o r t o f t h e C o m m is s io n e r o f L a b o r , M a r c h 1 8 8 6 , p p . 1 5 -1 6 . 1 e r e n s c i e n t i f i c p o t i n l i c y p r e s t i g e s t a t i s t i c a l S t a t i s t i c s s e r i e s i s n o t a n d s t u d i e s b e g a i n e d t o d e t a i l e d d e s c r i p t i o n s o f t h e m , b u t a l s o f t h e p h n e i l o s o p h y a n d a p p r o a c h o f t h e L a b o B f r o u r e m a u o f t h e m a n r i n w h i c h i t f u n c t i o a u n s . T h 8 4 . 1 8 e t a r y D e a p a L a b o e n t m o i n f a m u i n t e e r e o r , o r p o t h e L a e t n r e e F e d e r a l o f c r e a t i o n t h e f i s t r a t i o l a t e d l f a r e f t h e c a b i n i n , r y f a c c u g f o r t m a d r t i s t o e o p t h e h B b n d B u o r . o e f g , a e r s w o r k v e l o p m e n t s h e r e .3 H o w e r o g r a m . e n u p r e e t a r e r a t i m B u e n t A r t h t u n d e s e i l s o f f e a w a u ’ s u r u n x p a s r l y B k n o t i l e e r i e n u d a t e s o f w n i t a s t h e n b e c a m t c e a u i n e a , i t W i l s o i n c o l l e c t c r u c i a l r e t o S e c r e b e g i n n i n g s s i d f a c t s r p o s t e P r e e f e t r e r n t i n g o o c a b i n t h e d e c a d e s d D f o m s i d r t m 3 a n f a u F r o P r e p a r l y t i n r e B t h e n t o t h e i s t o r y a n d b f o h o f e l s e d e w o v e f l a r , i n t e r y e a r s d e s c r i b i n a g r e t o t h e v a r i o e u s u n d s t a t i s h p i c h l e d s 4 t o t h e i n a r e r e d t h i s e v e v o l o p m l u d . A e m n e t , o s o m f p a e o r t i c u f t h e l a r e v e n t s s t a t i s t i c a l e a s u r e s g r o B u u n d a u e m e r g e s c o n t e t h e u p h g i l o a i n s o p s t h y t h i s a n h i s t o r i c a l d p o s t u r e b o a f c k t h e r e t e r p o r e f t e L a r o b f o r S t a t i s t i c s t r e n d s i m p o a s r t a t h e n t i m t o p a r t i a l t h e w o b s e e l f a r e r v e o f w r a n d o r k - t s u r a b e d a n t h a t y h i d l ,” b t i o t h i n g s e a c h t h e i n . a g o o x p r c e S t a t i s t i c s l i c a f i n e k n o p p r e t b e c a n d d b e e n a e r g e a m i s i n r m a v e t t h e h y 2 t h e r i s h a i s b e e n r i t i c f o h f o i n m a n d a v e c i n o b i m T h n i t a s t a t i s t i c s , t h e d y .” h . ( p . l i m u y e a r s u b f a r i s e l a 3 9 p c t s m d b o x p o o n a h a s w t h e g L a t c i c e l e s ) . a l l o t h i s s t a n d a r d s t r f e a s i z e s h o b e u u s e r r e a s f o s r e u t h e n o o n e p h e o v e G h p r o d r e i n r a p r t a o , o c k r o p t a r e m i t a t i o p t r e m g n a n l a e n l i m t h e t h o s t a n i n i t s r v i c e s t h e w r m m g m n S t a t i s t i c a l n t h a o d e f e c t s x p o S n r t h c o T e k a l i n l e l i c C n F u e r t a i n b c e s s . i n g f s t r u c e y p o a s s u r e a v e r o i n r v e u p a r e i n o n h B ackground 2 a n d f o n s i n e e w t i m t h e s e r m a n d t i s t i c s , g n e s m t h e d a r a c y i v e d w o u g : o n r e s p o n i n a a c c u y a n g e r s t a n r e m t i c a l W d u i n n r e t a t i o n s a i d o n n B d a h a n c e l l e c t i n f r o w l i d a n a t f In s ta tin g th e fa c ts a s t h e y h a v e b e e n fo u n d b y th e a g e n ts o f th e B u r e a u , m a n y te r m s a re u s e d w h ic h a re c a p a b le o f v a r ie d a p p lic a t io n — s o m e e v e n a r e o f d o u b tfu l m e a n in g w h e n c o n s i d e r e d m e t a p h y s ic a lly , b u t a ll s u c h t e r m s a r e u s e d in th is r e p o r t in t h e ir c o m m o n a c c e p t a t io n ; a s , f o r in s t a n c e , t h e t e r m “ o v e r p r o d u c t i o n ” is u s e d t o i n d i c a t e t h a t c o n d i t i o n o f a lo c a lity , s ta te , o r c o u n try w h e n m o r e g o o d s h a v e b e e n p r o d u c e d th a n a r e s u ffic ie n t t o m e e t th e o r d in a r y d e m a n d . . . .* v a s s , h i s e t h o d t e r p h e e g r e e t e d a n d w n p o r t s e n t h e s o l e l y C t e r e F u W l e e i r C o m m i t t e e o n G o v e r n m e n t S t a t i s t ic s a n d I n f o r m a t i o n S e r v i c e s , G o v e r n m e n t S t a t is t i c s , A p r i l 1 9 3 7 , p . 5 3 . R e c o m m e n d a t i o n # 1 6 o f t h e C o m m i t t e e s t a t e s : “ C o n t i n u e d c r i t i c i s m a n d a n a l y s i s s h o u ld b e m a d e o f ( a ) s t a t i s t ic a l d e f i n i t i o n s , s p e c i f i c a t i o n s , a n d c l a s s i f i c a t i o n ; ( b ) c o v e r a g e o f s u p p o s e d ly c o m p le t e s u r v e y s a n d o f s a m p le s u s e d f o r c u r r e n t r e p o r t in g ; ( c ) t im in g o f p e r io d ic s u r v e y s a n d c u r r e n t r e p o r t s , c o m p o n e n t ite m s a n d w e ig h t in g s y s te m s o f in d e x n u m b e r s ; a n d ( f ) m e t h o d s a n d p r a c t ic e s in th e p r e s e n t a t io n o f d a ta . . . . F r a n k a p p r a is a l s o f c o m p a r a b i l i t y , c o m p l e t e n e s s , a n d a c c u r a c y s h o u ld b e p u b l i s h e d . ” (p p . 4 8 - 4 9 ). F o r a r e i t e r a t i o n o f t h is p h i l o s o p h y , s e e a l s o , O f f i c e o f M a n p o w e r a n d B u d g e t , C ir c u la r N o . A - 4 6 , E x h ib it B ( r e v is e d ), M a y 3 , 1974. 3S e e , f o r e x a m p le , t h e S e c r e t a r y o f L a b o r ’ s F ir s t A n n u a l R e p o r t, 1 9 13, f o r h is t o r y 1 8 8 4 -1 9 1 3 ; a n d U . S . D e p a r t m e n t o f L a b o r , T h e A n v il a n d t h e P l o w , 1 9 6 4 ; p a g e s 4 - 5 ,1 9 - 2 0 , 4 9 - 5 1 (1 9 1 3 - 3 0 ); p p . 6 3 - 6 4 , 8 7 - 9 0 , 1 1 7 -1 1 9 , 1 3 6 - 1 3 7 , a n d 155 ( 1 9 3 0 - 4 8 ); p p . 1 7 2 -1 7 3 , 1 8 7 , 2 0 6 - 2 0 7 , a n d 2 3 0 - 2 3 4 (1 9 4 9 - 6 3 ). 4 F o r a h a n d y r e f e r e n c e t o B L S p r o g r a m s , s h o w i n g t h e i r p r i n c ip a l c h a r a c t e r is t ic s , s e e U . S . D e p a r t m e n t o f L a b o r , B u r e a u o f L a b o r S t a t i s t i c s , M a j o r B L S P r o g r a m s ( is s u e d a n n u a l ly ) . 1 B L S H A N D B O O K OF M ETH O DS 2 e r s . f i d V e n o l u n t a t i a l n a t u r e o f L t e r i s t i c s r y B r e p o f S o r t i n r e p p r o g a n d o r t e d g r a m t h e p a t a a r e d r e s e r v i n i m p g o o r t a f t h e n t c c h o n C a r a c e n s u s u b m s . p o w e s i o n w V o lu n t a r y R e p o r t in g a n d C o n f id e n t ia lit y I n t h e h a s a l s t o p a f f a i r s h 9 1 - y e a s k e d a v e h a u n r o v i d a n d r h d r e d e i n t h e i r s u p p l i e d i s t o r y o o t h o u s a n n c l o s e l y s f o f r m a t i o f p e r s o n a l t h e t h e l i v e d e s i r e d i n B d r e o s . f o u s f u ’ s o s o s o m a t i o n e r a d t i o i n t o e , p a n r e l a t e d T r m a f i r m d o f t h B u , e m r e a d u a y o f d o j e z e n t o c b e e m b m t h e c k s r n e a o f f o r m a r e d e n . T h e y a t h e g i n e r e t h a t e t r i b t t h l o s c i r o t w . t o o r u n d e r t h , i n t e r m r o p n d d a t a v i d e i s r p o r t a e y i m p e s d n n m i s d f g p y i t s . T e e p i m p o h T d e r e g h r e A , n l t i m o a v o t f o h m e o t v a n r v e y o y o f n b i n i n o t i d e a t r u n i t y , o f w i t h d u c e c o o f n m s p o n d e r t e d b n t s s u m m i n A r e n p o o y i s a t h r t s t h e r y e l e i f f e f o r w d m r m r e e b e t n t e d b y c o s o u r c e s a n m d g t h e i s s u i n g t h e p u t s t o a l s “ b r e h o w w c e u s e d a k a d w e r e w i l l i n ” n g f o t h i s t e g d i v e r n r e s p o n s t a t i s t i c a l p o l i c y , a c c e s s t o s u c c e s s f u l l y i s t h e p e o v e r n m e n g o r e c a s e t i t s t o t o b y t o t h e s i s t e i n s e e k s f i l e a c W o h r e i l e r e w h c o i c u o p y r t o s t a t i s t i c a l i t c a n n l i a b l e o n s . W s e t i m s , t h o e e t h i r s t a f f ’s i r e e x p r F e e d o d d p o d c o .5 A h n a n e u a r g n t s i s d a t a t h r p o s e s a n t a i z a i n u r t s o t h a d a c t i o f a i n g e f o n t b e p r o v e s t a t i s t i c s , r i e e r a v e n l r c e n i t h a r t s , r a o o . a s y s i n w o c h w s T a s e h u t o e B u t h u p g r e l y u u o a n i n r i t y l y r e o o r e s t a t i s t i c a l r e l i e d c o l l e c t i n d e r a l a g e n c i e s a u o f e e t i c s h i l e e e , t h t t h e n s i b l e m i n i f f o v e p o n f L a n a t a t i o c o m r i n v o k f o r m s o r t a t i s t i c s , b o n c y l u r m t o e a g e v o c o l l e c t i n n g S a s r y n p p r e c o o e l t h e e t h i s f s u a s c r i b p e e d r a t i o n . a n d e l y a m t h e i s s u i n g m o p d e c s i a i f f e r f o b e w o e q l l u r d , o s t a t i s n T h e o n o b , a n a a n w h l l y y A s r a n e m h L a k e s a n p u r g e b e a l s o i m d t h g e n e r a l n e e d s i t r a s t a t i s e e t t h e d f o s o m S f e s s i t u x i s t i n B e o d d i c e t s . e h n c i e s , i s t r a t i v e i n a T n e e d s l i c a g e t s e d 8 m m d y .” t h e u e a s u r e s r s t o c d s t h i s t e r m t r e n t h e e a c h d e t i v e r m t m m n s t a t i s t i c s . y e i r e a l l . n u a d n a l g p n s t r a i n n t h e u c e c o m f x e s o m l i z e f r o i d e a l e t i e s r e a s e r v e s o c i a l r a t i o a t a t o d t h e e b e e g e n e r a l d c l o s e d s p i s d a n a n h a s l l e c t i o n t h e s e r v e f r o d c o a r e i c t a a n t o n p s s , a r a c t e r i s t i c s i t a t i o S t a t i s t i c s r e r e o s o c i a l s t a t i s t i c l i m g n q u i t e d r i s t r a t i v e d s o p n f r e e m c h o e c o f r o l i k o C r a t i o n a n a r e a r e r , n b s t a t i s t i c a l t h e f t e L a s e a r e l t i c t i m o o y e o m o a d n a r e u s e r s b t i o o p o r p l a r e s u n c o n a u f i g u r e s t h e s t w p o o o r t a e i r f v e p r n o t s . l Staff g r e h e B u r e a u ’ s w o r k e x t e d s a n t a . e s b e y o n d t h e i n i t i a l c o s u l l e c n a n d p r o e c c e s s i n g o f d e t i m I t s a c t i v i t i e f r e q , t h e n t l y i n g s i n f l u t e r m a o t n t h l y . i t h a s n e , a n d s o m a r e c r u c i a l y . O v a n a o t h t o e d o t i o u r n s o r t o m e i n r f o n t o c o t h i s i s t r a t i v e m p e l r m c a t i o n p r o a v i d t h t h e a y e a r s t i t a g e n c i e s i s a n d l o p s h a p i n g o f p u b l i c p o l i c e r t h e y e e a r s , i n d e v e e d a s t a f f o f p r o f e s s i o n a l l y s t s , t r a i n e d t d t h e d i s c i p l i n e s o f e c o n o m i c s a n d e r s o c i a l s c i i i t , h c e s , t o t h e w p r o b r s e a r c h a g e c o m p e d i n l e c y o a n t o o l f a r e o o f u t w t h e o i m r k e p r s l i c a t i o n a n d t o s o p r e f s u r v e s e n t t h y f i n e m d i n a s g c o s g n t l y y n a n d a s p r o m p t l y a s p o s s i b l e i n w r i t t e n a n d o r a l m n c e a v e r m . H o d s g r e w s u c c e s s f u l l y t h i s c a n b e a c c o m p l i s h e d d e f f t h e i r a t l y s u p u p o p o n t h e r t i n g p c o e m r s o p n n e t e e n c e o f t h e a n a l y s t s a n d l . f i u t h a t r e a u t h e s e C o p o l i c i e s m m i s s i o n r e s u e r s l t B L S c o n , a n a l y t i c a l a n d s t a t i s t i c a l h a s o . v e I t b e e n i s ( e s p e c i a l l y n c o n o t a b t h e B v i n l e u c e t h r e a d f r o a t u s o m o f y e o m i s t s w i t h , s t a t i s t i c i a n s , a w n o d r k i s m a p t h e e r f o m r m a t i c e d a l - i n a n d s t a t i s t i c i a n s r o g r a m m e r s , t h e a i d s y s t e m s a o n a f a n e l y s t s , x p e r i e n a n d o t h c e d e r c o r p s p r o f e o f n r k , s s i o m e t h e a l s , 5 F o r e x a m p le , s e e N o r w e g ia n N itr o g e n C o m p a n y v . U n ite d S t a t e s , 2 8 8 U . S . 2 9 4 ; U n i t e d S t a t e s v . K o h l e r , 13 F e d . R u l e s S e r v . 3 3 .3 3 3 ( E . D . , P a . 1 9 4 9 ) ; H a w e s v . W a ls h , 2 7 7 F e d . 5 6 9 , t h e C o u r t o f A p p e a l s f o r t h e D i s t r i c t o f C o l u m b i a . I n a ll o f t h e s e c a s e s , t h e c o u r t s s u s t a in e d t h e p o l i c y o f p r o t e c t i n g t h e c o n f i d e n t i a l i t y o f i n f o r m a t i o n g iv e n v o lu n t a r ily a n d in c o n fid e n c e t o a n a g e n c y o f th e F e d e r a l G o v e rn m e n t. 6 S e e S u p r e m e C o u r t o f t h e U n i t e d S t a t e s , S t . R e g is P a p e r C o m p a n y , P e t itio n e r , v . U n it e d S ta te s , N o . 4 7 , O c t o b e r t e r m , 19 61. http://fraser.stlouisfed.org/ a s e c o n o C Federal Reserve Bank of St. Louis g y . 6 d B i n p o s s e s s i o n s e c u r e r m i n e i r A p t h p r e t h e a o b m ’ s r m I n c e u s s , c i a l l y t i o o r e l e a s e d e n d y o a e r e t h e t i f y i n f i n d u e f o p e n g e r n n t s F e B a f o t a k e s g r e e b e e n n s i n f o a n o t h e u e n v i d n d e u i n t e m p . a s s u r a n i l l n i p t h u a l w B t i o o o c t i o b T r e p u u s e f u n r , n e r a l - p e f e i r r e s u l t s e t o h a s g e n p m t h g a e d s u c c e s s s u s p o s , i n o i n t h p a r e l i d l y i d r m n a r e t h a t a t e l o a w p o t h t h a n a r e c o t h e l i c c t o v e r s e y r e k e e p t h e i n “ h a s i s t o t h f u , 7 q B L S R o le , S t a f f , a n d O r g a n iz a t io n o s u b i t t h e r t a e n e p l e d g e a s s . n n t a k e n a d T e a d e a s u p . h m s t a t i s t i c a l o u w n l y i n r i l y s p d e t h e c t i o n t h h r e n a l l - e c e r t a i n i l a r w p e r h a p s s a m f h a s r e s p o n s e y e e s f t a r e f i n o u n s a n t o a p l o l a p s e l u t h e s u p t h e e e e m a n d n h v e b , c a r e l e s s i n o v o t m a l l e T e s m e o . h a s r s o t a n n r t s i n g l e t e l l t h r s u a t i o t i o g r e a t u l e g a l t o u e t i m s i t y , o t h e a a a r o n i r d r m f f o r s t a n n p e e p d t h r m n r e n n f o f o I n t h e B t h e s e u i m t h l e e v e u i n e a b e y e d g f a r e a n e o t i o a i n d u t h a t o l i e d p n y a p m i s t t e w r m t i o d d e e p a t e r e u r o a f i t s f i r m c o , s u s t a i n e d a s o n e n c e s f o r v e i n p s u p n r e e l a t e r s i n a i v e t i m r e l e t t h e v e c o n s e q u s u a f a t o h t h g e f o t y p r k a b c e t i f y i n n s , w t h r e s e l v e s m e e r e q u e s t s t i o t h n e e r a t i o n i d s e c o n d t i m r e b a R i t s l a t i c g o n e e o i l y w u r . s i m h i l e b w i t i v i d t h e i r t h e n s ) , i t t a l i v i l v a l e p r a b a n w m e l l i s t s S e t t o l e a s a t r v i c e a r e s t a t i s t i c a l e C o v e n m m c o l l e g e q u i r e m t h l o i s s i o m e e c l e a n j o t s r w n e r e i n f o r k s . r e s t o t h o r g r a d e q u c o F i r e m n o e l e e n m r a n r o v e t s i c s . p a l y t i c a l f e l r o T h e m u g r e s s i o n w o u s t m h l y e q u c o m T h a r e a l s . e e t i e 7E x c e r p t s f r o m 2 9 U . S . C . 1, a c t s o f J u n e 2 7 , 1 8 8 4 , c h . 1 2 7 ,2 3 S t a t . 6 0 ; J u n e 13, 18 88, c h . 3 8 9 , 1, 2 5 S t a t . 1 8 2 ; F e b . 1 4 , 1 9 0 3 , c h . 5 5 2 , 4 , 32 S ta t. 8 2 6 ; M a r . 18, 19 04, c h . 7 1 6 , 33 S ta t. 136; M a r . 4 , 19 13, c h . 141, 3, 37 S ta t. 73 7. 8 O f f i c e o f M a n p o w e r a n d B u d g e t , S t a t is t i c a l S e r v ic e s o f t h e U n ite d S ta te s G o v e r n m e n t (r e v is e d e d it io n ), 1 9 7 5 , p . 9 . 3 IN T R O D U C T IO N g r e a t e s t s e n e i o r s , i n g f f o M a r t i s t e r ’ s , s r e s e a r c h b u s i n e s s p r o v i d g r o u a b e n s f r o e t o o f u t h e i r i n k n a n d p t i o n o t u o f a h r i e n p r o l o c a t e . n t i o g t o . D c e n s , , i n a n d e e d e d i n t h n b e s t o r s , a n d e u - t h l d n e n s . b t o t a i n i n t h o s e T h p r o a i d g s t a t i s t i c s , g r a d u a t i n g a v h g o w i l i n t h e t a d g d r i s k s l e o f l p a l w s i o n B u a s r e b a a u c k i g h e r b e s t f f , g a e o s p e c i a l e t h e n i q u f t e c h s t a t i s t i c s , t o c u e x c e r r e e d i n n g t p s o r o t h e f f o r t t h b l e l i m i s e s a t m m s i t s m a d e u s e d l e v e a x i m c a n o f u a d l a p m p p a d e g l i c a w i t h p r o g r a m s o f t h e B u r e a u w e r e d 7 . v i s o u n t e c h v e l o p e d , f o o n r t h e c h m o s t p a r t , a r a c t e r i s t i c s i n d e p e s u i t e d n d t o n t l y t h e e r e o f e a c h o q u i r e m t h e e o s u b j e c t a s o r g a u n n d i z e e d r o b s e r v a a c c o r d i n t i o g n . t o A s s u a b r e s u j e c t - m l t , B u r e n g e m t i n u e n e t d o w h v e r i c h h a s t h e p y e r o a v e r s . d e f f i c i e E x p e r t i s n t e a n d i n h a s t e c h e c o n j e o m i c a n c t - m a l y s i s , r l i n e s a t t e a n w d o a s t h a d e r s t a d e d t o f f p a c t i v i t i e r o v i d e b B e n u s r e a u ’ s B u t h e r e r e s o a o f f i c e s m i n n i s t r a a t i o t i o n o n o f ’ s c o e r e f l l e c t i o n a c t i v i t i e e s t a b l i s h e d t h e t h e t a a n i m b t e f i e o f f i c e d t o f u r n p e a g e n c i e s l d s i s h o e r t a n n t h t a n d a s p e c t n i q e u f u e s n c w p w r o a s t e c h o o t i o h i c n e r e f o r e s i b i l i t y o f p o l i c t h e C v e y o h m r y a v e m i s r o u u n r o t h p a t o b c i l l e b e n o a n s , c o b s t h e i t h d m b s , d t h e b o r c a p B l t o n u r e h e T m R s e u r e p r o a a l s o a t t e i t t e p e r s o n s r e e m i n d r c u g l d h s t r y e s e A d v r c h r y t o m i s s , a n l a t i o n m e s m r e o a r e b o e i r i t t e a l a d t o t h m n r i n a o i p s o f i r s t e s p l i s h o b e r s h r r e s p e c t c o s e R r e a c c o m g n r a i n t i c i s e e k i t t e h r o s u a n t o m i t h p r o f i e m i n a g r a m t h m e s s w u a n d i s s i o c o u s i n e t a n d m r y c o u n c i l s t - m m o B n u p s a c i t y B u a n d c m a C v i s o L a r r e g r o t h e a r y s u c u r t h e n o o v i s o n j e t h e l a c a l l e d r s . b C r w d l e w o e u b a s i s . o b d a m h a n s e s s i o n s t o y c r o a n m m d u r e s e a r c h e c t i v e s e i r t e p s , i n g e n e r a l n i n b u s i n e s s a u g r w h o g h n o t c o u n c i l m e m b e r s , h a v e s p e c i a l c o m p e , T h e l u t i o n c o u n s o r r e c i l s c o m m a y e n d a c t i o m t a k e a t i o f o n s r m o n a m l a c t i o a t t e r s n t h r o r e g a r d u g e d h a s u i q u e p e r o p r e r i a t e l y a d f o v i s r o s u c h r y . M e m b e n r s , b o f u t s u c h t h e c o r e u n s o c i l s l u t i o n a n d t h s a r e e s u b m m i t t e e s s e r v e i n t h e i r i n d i v i d a l t i o u n c a p a c i t i e s , n o t a s o u s , p r e s e n t a t i v e s o f t h e i r o r g a n i z a R e s . a c r o s s e t t e r u s e o h e m e m b e r s o f t h e b y L a b o r s e a r c h A d v i s o r y C n f s i n c r e a s e d , r e a r e d e s i g n a t e d t h e C o m m i s s i o n e r o c r e t o r f L a b o r S t a t i s u i n 1 9 4 3 t o p r o v i d e g r a t o m s a n d i s s e m d i n s t a a t e f f . d A n a t a m t h f e n i c a l r c o t h e n o w f o p a d o e e v i c e r a t i n a n r k x p o l a f i n g o d t h e i n r g n i z a t i o r e g i o n a l h t h e B u r e a u g t h e u s e s c i n o n c o m t h n e e p p r a m i n u I O . t h a o r i z a t i o n t i o s n b y b y t h e t h e D S e i r e c t a r y o o f R f L a e i n t e s e b a o r , r c h F L — C A l l r e s e a r c h d i r e c t o r s o f r n a t i o R a n , a l r n i o n b o s r e p r e s e n r E e A c u t e d e s t i v i n ’ t h e A s s o c A F i a t i o L — C n , I O a , a t t e n n t h e d t h e r a i l w a y i l r o a d r a t i n g u n i o n s a r e i n v i t e d t o d t h e g e n e r a l m e e t n i n g s o f t i o t o t h e c o u n c i l . T h e c o u n c i l p r o v i d e s g e n e r a l d i r e c h a s t s i l i n x t o s . s t a f f s c e o l o c a l a s s i s t a n c e a d n a d o t o n a n g n t h e a d v i s o r y a c t i v i t i e s o t o u r e f t r a d e a u u n i o n r e s e a r c h d d t e c h o p f c e . o p e S o u s o L a u s e r s o t h a n u c s p a n d s t a t i s t i c a l f A f u r e d o n u r c e s . u w g p e r s p i n o f r o g i o n a l f i n a l s t a n d i n g C t e d t i c s A e f s e r v e c i a l i z e d c i l t h e s o u n b e e n n s r y i l , e T b b e e n d e c i s i o n s k e e p o s e s p r e s u e i g c o c o , t e c h n i c a l s m a r r a n a l l y o a r e a s , s u r s e r , e n t s t h e a t t e r o c r k a p w t o e r e t h e r o n v i d t e n g e n i c a l a l t h t a k i n r d T h d d s t a t i s t i c a l 4 r o u t h e n e e d s C p u c o b e e n v i c e m e o n e e d s s i g n i f i c a n c e . Organization h y s f e r . A w T h a s O e s t a b l i s h e d a r t l l e c t i n m b e t h e i r i m c o a l . p a t e d r e s u l t s t o i n f u I n 1 9 t h e a t a e a g e n c i e s , f e s s i o n a l s h t h e h e s k i l l s , k e e p a n d o b f S t a t e i o - j o t o s , i n l d r t s , f i e n a l s o n n o l l e g e s , b o e e i r s s i o r m h c o l a f o a s s i g f e t h e d e g r e e s t a f f s . t r a i n m e i z a i n t i v e d e t a i l e d c o x p n c h a n g e s c I n a a d e P s p e c i a l x e m e r g t r a i n d r e a s t a n d o m i r e c t o r s i n r e l a t i o n t h e B . t h e T h e m e m b e r s o f t h e B u s i n e s s R e s e a r c h A d v i s o r y s t a t i s t i c s . C S p e c i a l r e c o g n i t i o n o f t h e c o m p e t e n c e o f t h e B u r e a o t h e L a o b f r e f i e l d o r L a i n b v i e o w o f s t a t i s t i c s 1 9 5 5 r S i n g w h e n t a t i s t i c s a l l o f w h e t h e t h e a s g i v e n b d e l e g a t e d r e s p o n s i b s t a t i s t i c a l p y t o t h e t h e i l i t y r o g r a f o m S C o r s e r e m c o o c m n t a r y i s s i o t i n f t h e n d u o D e p a t i o n s n u o f e r o e n t o f L a b o r a n d o f m a k i n g r e c o m m e w i t h . S e i r i m p r o v e m e n a u s e s s t e o f i t s r i l i t y p d a t a a n d m s t a b r o n e i n a s s , d d v i c e l a i v i d a d v i c e c e i v e d u b a o l n p d a n r , m t h e o a n e m C o o l i c a y g n g r a m f a i l a t o i n t i o n i d e a s a b e r s m y m b y e t a t h e C o m m i s s i o n e r r c o u n d e r a t i o n C o N h a a m f t h e t i o b e n S a r l o c A f C r e s s o o r y c m m t a t i v e o o i a e f L a t i o r c b n e , o r , a f t e o f M a a n d o t h n u f a r o e c n s u u t u r g l t a t i o n r e a n r s , i z a t h e t i o a d l y r e p r e s e n f A m e r i c a n b u s i n e s s . M e m b n e s r s r v e i n t h e o f r e a t a t i v e s i r i n t h d e i r i v i d c o u a p a n o f t e m l c a i e p a c i t i e s , n o t a s r e p r e s . t . r o d a t e d r T h e c o n o a n d o i t s , m p u r i n t h e B c h d c i p a l u r e a e t a c h e d m n i s s i o u c o n t i n f r o . u T o m o u m t h e a v o s l y i d i n c f r o a d o i s s i o a n d Digitized for p aFRASER r t i e s , r e l a t i n g t o e f m t h e n t e c h t h e m e r u s e r s i c p u o f n i c a l c o o r g b l i c L a m a n d a b n . l l e c t i o n i z a O o a t t e e v r t i o e r n e r t s s t h e a n y e S t a t i s t i c s r s a n x p f r o d m a n i n b d a u e t i o n o t h e h a s o f e r s , t o r e o B u e i t h o f c c u a r i s e s s i o n a l I t m t h e r e r e s p o n s i b l e a l y s i s t h l y u w a a c c e p i n f o r c e i s a f u p h r e n s e e k s s t a t i s t i c i a n s , r o e r i n t h f e s s i o n a l o i n d i v i d r g a n i z a f p r o a l f e e d s s i o u c a c a p a c i t i e s t i o n s . T h i s i s h n a t u a l o r t h e o r e t i c a l i s c o n s i d e r e d f u n a m e l t o a s p e c i a l i z e d f i e h e b y f t h e t h e B f i n d u r e i n g s a o u ’ s f a n d n t a l d , a n d w w o r k i n t h a t i n d e p e n d e n a s o s t q u e s w p o r o f i e l d t r s , r m t h e r e n a l t o o w o c e p u o n t i s t s , h i n n v i c e s c i e r t a n c e d e i r c o a d i c u e t h e s o c i a l a n r k f e m s a y a l y s t . s i f r o r s , u i s t s , b e r s l i k f B m o e m b e v i t e s d e s i g n r t f o C o n s u lta tio n a n d A d v ic e o n S ta tis tic a l P rogram s s t a t i s t i c a l a r e s l y e A i l t h e . s e n t h c r i z a U s e m n u t h i n u o u r n s t a t i s t i c a l p s t a t i s t i c a l t h B L S k e e p p d a m e o r a c t i t i o n t h e i r e n r a c t i c e k n o r y . e r s w l e t a l b e T h e a r e d g e o b b u o b j e c i l t j e s o p o u n c t i v e t r a i n u t i v e t o e d d f d u c a n i n a t h e l y t e b e B p u o r e r e n F o r u t h a t a l i z e s t a t i s t i c s . a i t s e s t a b l i s h e d t h i s a n d d o n i f r e a s o n l y t h i f e y t h e 4 B L S H A N D B O O K O F M ETH O D S B u r e t h e e d o t h a p u u e n c o u r a g e s r o c a e f e s s i o t i o r e n n r e m e i n r g g t h e i r s o c i e t i e a n l y c e s t h i z a s o o e i r f o a t h n t e a r t i c i p t h e i r a n d d t i o t h p s , s t a t i s t i c s , r t s o i t t i n e x p e r i e n a l i n x p s t a t i s t i c a l u n e c o n i s c i p l i n e s , p L S B u b l i c m a a t i o f f o t i n s . u g i n s o f p l o y e t h e i r p r o d w i t h a p a c t i v i t i e i m p r o v e c o n t a c t s h e p r i v a a p b e n d r e i n t o T a n y n r t s e f f o r t s t e , o f a r e e f i t s o s t u f r o t h e r p t h e m T h a n r s . w T o r k e b n e B d t s e d h s c l i c a l i s h d i e d m e u e r e r u s r e a u e t ’ s g ,’ ’ 1 0 a d e W h e r e a c r o s s S u O r e s t a p o t a t i s t i c s t h e B r e G a f f i c a o f d a r a b i l i t y . T o r d i n h e s t o e t i o m p — p f o l o y m a r e r i m a n d M e T a i s n g e r y t h e u e b u u s e t o e d u m g e n s o f c u r e a t h e m n t a n e f f o e t ) o f t h e t e d t u e a c r o s s s , t h a x i m u m B d g o b f o r d u r t t o r m s f i n e i t i o B n p r o g r a u r e a u e e x t e t ’ s t a f t r m L a e o b r l y , h e r e n x i m e s t a b f o p o s s i b l e a d a l i n e s o ( f o i n m o n m m c l i s h m e n t o t m i s a e s t a b c t o h i c p n t , n e r a i t r y u o f i r s t f i n i t i s c o m r c h l l y m o m e n s o u r c e s e h l i s h a p r g t e g a l e s e a i n n o t h e f h a s d f i r s t t e s , t a t r e e i z a t i o r a t e d l e d t a l e v e c o r d s a l e i n a . s , T n i n v e l , b w h a o n f o r o f l s e e e — g e f o m i n e s t a b t h e r c o n d s t i n . , p v e n l i s h r o m b i n a t i o b e o r g u c r i e e n e n t h e d u s t r i a l d t o m b u s i n e s s o t o b u s i n e s s i . e s , u a n n e t c . i s c o n , o f i t i o s , t , t h e o e m m y t h e i s s o d u 9 S ee app. B . d d e f i n d f o B a r d f e t h e l l o i t i o u s e s r e f n r o d u L i z e c t i o S n o p r o d d e f a r e l a t e d g r a m f i n i t i o s i n n o g w f h r o i c t h e u p h o i t f i s e s t a b e t . 9 a l s o d a n r s t a e p I n t h r r e w s n d e t h e “ s t a n d a r d a p s t a n d a r d s c l a s s i f i c a t i o n a n p f f i c f t o “ O o d p f o g e o r o e d u n d l l o w o f c e t i o n p a i x e e g r a p h d i c M y r o s a l l B w n a n i t h p a g d e a n r e m e n r e l a t e d r i o d d . ’ ’ 1 1 C s p e f o c t r t o c l a s s i f i c a t i o n . S ta n d a rd D e fin itio n s o f T y p e s o f W o rk e rs , B u r e a u o f th e B u d g e t , N o v e m b e r 7 , 1944. “ P r o d u c t io n a n d r e la t e d w o r k e r s a r e d e fin e d t o i n c lu d e w o r k i n g f o r e m e n a n d a l l n o n s u p e r v i s o r y w o r k e r s ( in c l u d i n g l e a d m e n a n d t r a i n e e s ) e n g a g e d in f a b r i c a t i n g , p r o c e s s i n g , a s s e m b l i n g , i n s p e c t i o n , r e c e i v i n g , s t o r a g e , h a n d l in g , p a c k i n g , w a r e h o u s in g , s h ip p in g , m a in t e n a n c e , r e p a ir , ja n it o r ia l, w a t c h m a n s e r v ic e s , p r o d u c t d e v e lo p m e n t , a u x ilia r y p r o d u c t io n f o r p la n t ’ s o w n u s e ( e . g . , t h e o s t r i a l t o 10 i n c e u r r t . e n t g i t i o b e c a u w n a B f i n h i n r e a t h e s a t i s f a n s t a t i s t i c s m b u s i n e s s s t a t i s t i c s z a f d p r n o p e r a t e s o n c a s e m c o e u l a t e d v e i n d t h e u d e s c r i p t i o n S ta n d a r d D e fin itio n s t e s e r v i c e s . , i s d r s v o o l e t B u e p o w e r p la n t )a n d r e c o r d - k e e p in g a n d o th e r s e r v ic e s c lo s e ly a s s o c ia te d w ith th e a b o v e p r o d u c tio n o p e r a tio n s . E x c lu d e d a r e s u p e r v is o r y e m p lo y e e s (a b o v e th e w o r k in g fo r e m e n l e v e l ) a n d th e ir c le r ic a l s ta ffs .” 11 S t a n d a r d D e f in it io n o f P a y r o ll P e r io d s f o r E m p lo y m e n t R e p o r ts , B u r e a u o f t h e B u d g e t , M a r c h 2 8 , 1 9 5 2 . “ I n o r d e r t o m a in ta in a c o o r d in a te d s y s te m o f e m p lo y m e n t r e p o rts a n d t o r e d u c e th e r e p o r t in g b u r d e n o n r e s p o n d e n t s , r e q u e s t s m a d e t o e m p lo y in g e s t a b l is h m e n t s f o r s t a t i s t ic a l i n f o r m a t i o n f r o m t h e i r p a y r o l l r e c o r d s o n t h e n u m b e r o f e m p lo y e e s , p a y r o lls , h o u r s w o r k e d , o r r e la t e d it e m s , s h o u ld r e f e r t o t h e p a y r o l l p e r i o d c o n t a i n i n g t h e 1 2 th o f t h e m o n t h . ” C u r r e n t Chapter 1. E m p l o y m e n t Labor Force, Employment, and Unem ploym ent B ackground t u a l h e E a c h m s t a t i s t i c s p y l o f i e e m e d b c o f r o n o n d u T i s h o n g a r e s e n o f r e p l a t i o n S p e u c n e o f t h o b j e c t i v e m p l o y m e d 1 9 3 0 ’ s n s u n u m u n e b r a v a y l o , e r p l o o f o p l o q u e s u w t i n T o h e d , r e n c o t h t w n “ i l l i n g d t u o p i n a s t d o e n u d d i r e u l a t o u r k p n e i n g h o t , a t e r f t h l o s . f c t a t h e l a p l o u t e v e n e c o i n d r d m o u a o l a f o d r c e “ d w i d n n e d s i n c b l i s h e u , w c o a n d r i v e d i c h B L t i o n s a m d u s e o l d p o p a l O t h f l y r k , ” b e t o t a t i o n o m l o v e i n t r e l o p u p e o e a l t l o t a n e w e i b p a t t i t u d o f t h e m a s s b a s e d o e i s g r o a r . u D p e o s , x p r , u n e f a m o w l i e d a n o o p t h o e u p b e t a t i o l a t e g u n t o a l d t h e p s e t o 1 9 3 0 ’ s t o m e c o n p r i n e n n n , e d a w e d f p r e c i s e o d e e t c e c p i p t h e s e t s , a t h l l y p h u l a L n i c , t i o n e . g t h , a l t h a n d r e u d 1 9 P S o u t a b u g l a b h l a t e i n a d e , r e o t h e t h e t e l y s p o o f o C t h n n r c e n o e d s u s . , t h e n w e a s r a c a t i o n a l W t h e r e f o o r k s o n r t h e u s e e n h o s u s t h e l d i d s u i n M y c t r a a s r e r t f o o n t h t i t l e m o e v a w “ l y a s C r e r l a t e u r a c c u r i e t y a r a c t e r i s t i c s f o w u o w c h t a B o p r e s e n t a i l i t y p C f l e r e n s i b l e r v e t o a i . e o t h e t o u t o i c s e e e m s i b h t h t i m h r , t h y R e f s o u r c e s p r e d i n r b r e — c o f o d t h o T r d d n u . r i o a s t h a t e o a s a n 9 a t e 1 9 4 0 . o a 1 9 4 8 ” l e 5 p i n w r e r c i n c i a l , u p i t i a t e M B F o r o o ) A e e n g a g e d s t a t i s t i c s , e g e d y A P r e r i n e a n — g I n e t i m o a d P W t h o r v i n C r c c h o e , s ( W t h t o b r e o l d n t h f o e w d n d S s o S r L a m a e e a s n i n l l e c t T o f t h e h o o f t p i n e e d e “ A n u h i s C P p r m t n s e c h e i l d D l d o f , m e h o m T s a c i n h o l d l e a n a l y z i n t r a n u s f e c o g f o f a n d r r e n t i n u o d t o e s t o s t a t i s t i c s . l y S t a t e h u o P s e h i n s a l o i s p g c o p l a r o t h o r d e r a n d t h w i l l w d t i o n g n a l , , , a s a m t o p e n r o D i s o t m u m , o c d t u b p u l a t e b e r c u , a n d m o e a c h l y 4 p l e v i d w e t r i c t 7 ,0 a s n u o C f 0 e n a n u s e d l o 0 o f o n , w m i s n h e u s a d n m b o m b i a r a t i o n u i t a f p a d e r t t o r 1 6 r v e a t t e f n t h e s u o y n t h e s e ( S e p a r a t e d 1 5 i s o o d o o l a n h e n t h e . s a t e s a n s g 1 4 i c f r o s e l a D o s t i n r n e s t i t u r e y e a l s o e p e n a l r i u m s a r x a n d , a n d y . l a r g e d n t h i n u ” i n a t e s e t h o e s c h r k w d t h r c r y n n e s t i m e v e o F i g m r s o g e i n n l u r f s a l o f o r e m o P e r a n r . S f o l s o p t i o P r . ” u l i s h f r o o n v e C v e p f r o u f i r m b m p o l a n o l y e c o m d t h t h t i o s t o c i v i l i a a n n c o n s i s t s i n b e o l a f r o c u p t h e t o S t a t e s l l e c t e d x i m e p s a n e s d d n a g e t o t a l d s o c i a l r a e o e o f e d “ p d r i t e t i o , s n a 7 5 s n x c l u e d e l l e c t e d t i t u a o l d t i o v e t h e a d t h b o b t a i n f s t i t u c o S f U a r s a r e e c o y e o l a 1 9 i n 5 0 a r e s t a t i s t i c s ( o ) s t i t u m r o s s e t h e i n C s 1 6 g e n e r a l e f o e a t e s a r e h p l e s e n i l d d f r o t a J u r c i n i n T e s h F o f e c h r e n e d n n e n v i d t i o a g e a n s ) . d r o l a e s t i m b e c a u c p u d f o n p e o t o t a l a S o r i v e c l u n c e p t s r i o e a l y e a r s o n n e m h s t a t i s t i c s t o r i o t h d . ” c l a s s i f i n r a l i s h B t i o n m r k i n e v a e o x p o w t i o h r r e e t i o r m w b e c e l a e p l a t h n t u r k D e s c r ip t io n o f S u r v e y p e r s o n s c o o e c o g f a m u i t s t e n s f e n o p s e h o a t e d o s p e c i f i c t o e t h a s w c r i t e i n d f a e o r e c e s s a r y a t m a s e f t h o s e h l y o t s l l y e w c e p i s t r a o f r h i n m n s e r i e s o s t t o t e p s a m y e d r a e P n d o g e d t c o d e s i g n f o n e e d p n a n a g A n r t n s e t r a n I t s o i n k i n o n a s r e t h d f w t T e o t n n . l e n p c h d t h e s t a n d a r d s r e t , r e a r e t h e a b l e e t p a s e n o m o t h e a p g f o m a t t e l o d y m n n e t t i o I n d t i m h p e a t b e g a n l a l . e e t w n a p a n m a n f u , e s t a g e s a d e e e a n s u g p d p r e a t e s t s , y s f i n f e o m y m c t i o o y a w i t h r v e y m p 1 9 4 3 . e e w l o u l o y R T h s i n l l e d , m v e s , ? g r i g e c o d e c e n n i a l m t o n m m m B c r e a s e d e y s m . r e s e a r c h i v i d d y l e e s t i m e b t t e t h e e l o r r i v e b f p l a a o w m e p e a s d e t o e m i n a n , n s i n r e s s . c t e h P r o g U t i v i t y r k p l e i s S c o t i v i t i e e h n u s m l , d t h e o e c l a s s i i a ) , n a w s a m t h e i v i d i n r v e n n i c i a n u r e u o f o d g i l l i n r i o r p t h r e o w e r h s t i t u e y s e e t o S f r c e n f i n p t o r c i s o u t , o f o n v a i l a r n t i o w r e t e c h p n a r e P s b e g a n v e l r i m c g r e A s , y s r r , s u a t i n e s v e x p i n e s n d f l i c u l e . d d p y e , f o t s e v e d e h e a c h w y n a l o i c t i o s o m e n t h e s e b t o T i q o o f o ( C n i n 1 9 3 0 ’ s c o n u i n s . r v e p r s l y r e m r l y I n e o f u t s n t h . b o v i o p a s u e o t s i c i p n n i e l y e n o h t e c h m n c m e r p l e , e a s u e l a 1 9 3 0 ’ s e i d u e r s o b p e c e e p a n m d m o y C u e m o n b h r v e d r e t h u t r o n t h t e e p a n y s t a t i s t i c s s a m l a i n p c t m i n w r e e e a r e d e r v i e e l a r a e p l o s . m u e t h e p a b l e p t h i s v e o d f t h w S t h s p e g n r e t i o f o m s e f t e l y z e e o e o e m m t h a t h t i o r e w d t a t h d r e s s e d a p n t e c r i t i c i s m t i o p t h s , e T h u f a t t e i r e n , i n c i v i l i a w t h e s e e a n n u d a n o e S c t c h a n g e s t i o b e i n g a n i n o e m i r e s s l a o t h w i n e i t h r a O c r e o u t o , s i t u c a s n d a d t i v i t y e n r s o c j e w o y s e a s u w a a l e p t d a a e s e l e c t e d d f c l a s s i f y s t i o n t i m e e i t h e u y t o f r o f w t h t o i s b m y g f r v e e S e n n t e a d e b i t h m f i t e e w o r v e j o y m t y a s n u t h o t a e r e n c e p t s a s i d e r i e p l e s p u o m s a t i s f i e d i m o u r c o f P y m t n a f o n o B e p r e s s i o n n t y t n c o e r e r n s t i f i c a l l y s t a t i s t i c s , l l e r s o e s n U e u o n t i v e p B b t h l y w e r i e r r e t h e s e s , m f o t a m a b i f i c d p u t h e l a a r a c t e r i s t i c s . s c i e a n c e C d t h e d v c h e , t h a c t e m u s i n t h a n i c t h n n t , y m m c o n o o A n a l y s i s m h o b y f o . H a l a l d p s . 1 1 ,0 r c o e w r o b a B e g i n n i n 0 0 o u s e d e e s t i m a v h t a e b f o r , a t e s i l i t y r g a l l t h e s e u n t i l 5 BLS HANDBO O K OF METHODS 6 J a n u t i o a n f o r y o b r t h e t h e s u 1 9 p u h e b d r v e t n f o c o d o r t t f i n e e e i n g t h , a k w e S d e n o u e v e n f c e . A h n t s b t a w r i o d o d a y t h t h e e e k , w t h . h i c h g v e s e d l s . A n t a t 2 p a v e r a g e d a b o u m o n t h f o r m o l t h o a r e l y u g w h d t t h e o h t . e d c c a b e i n e . S h a h a s r v e e i s w e o b n c e d o e c e n J u l y r d a y , n e e o e d e u c t e f i n c o n t a i n d c a l l e d r c e n t r s c h a t i m o r c n e i n c l u e d a s d u i n t h r i n g t h o e t h e u s l y t ” o f u e r t h e A t h e s e e f e t h a p e c e y o i n t o n h e i r c r i t e l a b o f o r i a r u s e d f o r c Employment. e i n a c c l a s s i f y i n t i v i t y a r e g p e r s o a s f o l l o n s w o s n t h e b a s i s o b a t e h e m t h u e n , p l o d i r o a i d p a l l t h f r o b o n r i n y e e w n E m p l o w o h i c a o r i n r m , r k e w h e , y e o d p e r s o n s w e y w a n w v a h c o m , d i d a n y u s i n e s s , b w o r k i l y - o o t e n k n o w t i o e w m t r e a o f a o e c y i r r i d e r , e i n d t h e r v e t h r s o h t h s u p r i s e r k m , e p b e 1 5 r a u t p o r a b o r - m l a d w t e h h d ( 1 ) r k r o o j o a l l o r n r p r i s e s o r s e n t d u e t o e n t d i s p n o m e p a r i o u s p e r s o n a l r e a s o n s — w h e t h e r o l o p u r e r o b y t t h e s o n i s n o o n e t h y c j o b o d e d i r e u n c m u m p l o y e r s s e e k i n g t e n i n e r e a r e g r e a t e s t c l u e w d o o u b n e n o t e d i n o f h r t h e l y o t o t a l n f o r t h e c e . t h e o u T h b d u e e j o j o r s a r e t h r m t i m b o s a t w w h g l o o E a s e r i n p e . r h i c d a n h e o h h t o r e a s a n d ( 2 ) i l l n t h d w m e s u e h p e u t e y w y w y n S s , s t h y e m r v e c i t i z e e l o e l d t h t h e y e f f c v i o g e o u n t r i e s , t e m p o r a r i l y i n t h e U n i t e d t a i n g o n t h e p r e m i s e s o f a n E m b a s s o n r l o e r s o n s w h o s e o n l y a c t i v i t y c o n s i s t e t e y . d e i r o w n h o m e ( s u c h a s h o u s e w o r k o o e e i n g , e o f a l l T h e t c s i m . ) o r i l a r o v o l u r g a n t e e r Unemployment. w h o l o o k i n t h e T h o t h e a o p f d o f o r f e r e n s e w h p r e b p g n r e u a i d c e d l i c p o l i c t w w o c h i n o r a t i o p o n i z a t i o w U n m r k r k , p a d m a d - w e 4 r i v a n , e r i o t e c a n d d e e p o r k f o r r e p l i g d y e u w e e x c d e p m e r e p l o p t o b e l o o k i n g f o r w o r k . d y m g e r s o t h e a v a i l a e r i o v a s s i n p r i n s p e c i f i c k t i o e k s w l o e n f e m e s e m a j o n t e k i n g e o e y m r n m o d n u e d r t h e p l o a k t h . A v e a d v o l u r k , r e n . t e n e b e r t o i c h n e c o r a g e f a p t h h c o n d u r a l l t i n w p l o e r s o o f i c h u t i o e e y m k s e n n w f t . a s u i t y u r a t i o t i o n b y s i n g l e r d i n g t o u o n t i n d i s t r i b g f u m b . w f f , f f j o g n o o r y l e n r i n e e e y s e u y c e n h e m d y l o l u a n d i n q u n n a r e p e r s o h o o s e r o r i l y t l o n w o t o e t h i t a n y m d g t a a c c o b e g p r i l y o v o r i z e l o s e r s t a h o t h n c l u w t g e u i n s r k m d l a b a t h ) b n w r k t i m o y m g r e ( 1 ) J o n m b c a f o i n w u r e d t s k a d o o f r o 3 0 e h s t r i n e s n o u g l a i d s a l a t h i s e a n t . b e p e r s o m d e m d w y s . t h i r r e t e n s ” p t s e t o u e a t r o f o e r a a s o g t h p m s r e a r e i r m l o t n “ f e r e d c o n p e r s o e o o s e e k i n g p y m p r e s e n n s i d o e a n n r e e e r a r e a n m e l a y o r w i s e i m m k f o i v i d e w n e d n s i m o t h o d t h e h d o i a e s e t e f f . t e d r d l y ( 2 ) r m i a i k i n g f o r w o r k e d a t ( 3 ) R e e n t r a e j o n t s a r e p e r s o t e n s w l y h o r k e f h o p e t h e e l u f w o r k a i n t i n I n r e i g n e d , i o u s , c h h o w e f u r e o l l - t i m u t o w o r k d a t f t h e ( 4 ) N b l a s t i n l a b o r g f o 2 r c w e e e p k s o r i o o r r t o i n g t o o n l o e o v e k r f o w o r r k e . a f u e w l l - t i m e n e j o t r a n b t s a r e l a s t i n g 2 p w e r e e k s g e r . c i v i l i a n T h s e c i v i l i a n c l a s s i f i e d l a b o r f o a s e m i n a d d i t i o p t i o n e d r c e l o c o m y e d p r i s e s a n d u n e t h e m p t o t a l t a l l a b o r f o r c e r c e , n , i n c l u d e s m e m l o y e b e r s d . o f a r m b e r o d a F o d s s t a e i t h e r i n p l o t h e U n i t e d n t r a t e S t a t e s . 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H o w e v e r , b e c a u s e i s n o m p a r a r e a r o g w a t h e . a r e d t o r r a n d k f o o u w u n r e p l a b o r f o r c e , t h e j o b - l o s e r , j o b - l e a v e r , r e e n t r a n t , d d n e w e n t r a n t r a t e s a r e e a c h c a l c u l a t e d a s a p e r c e n t o f o r t h e f t r a a i r a r i t a b l e t o t a l c i v i l i a n l a b o r f o s e q u a l s r c e , t h e s u m r a l l o f t h e r a t e s e m p l o y m , u r g r o u p s t h u t h e o v e u n e n t e . s . l o a l l a n e g e a t n 2 m o h t o A r f o d t a b o y t o r t h e a n n r k a d g r e r d r e w o w E x c o , e i n y m r m w h a g e r v e i t i n s s , , a n t h l o Labor Force. a b l e p w n y i n s u a w p r e s e n y d p b n w c h l i v i n l o r e n s l y r s o n s t r y c r v e e w n o p a i d t u y e r b e g a n t h e v a n s t w r e i d o b u s i n e s s e s a g n l l o t h e f , m a b a n e y m f o e w g w t h o s e a l l a s s s i o r s t e b a t f e u e n a d r i l y o p e r i n : l o n t h e f a w w g s o s e j a d u t h u ( a ) t h e p u t h n p e r s o y m d h a r f l o i c t o m l e a v e r s b e g w l o l o h r t d d e f u i n a l l a n o T h b e g a n J o T . w o r r e , F t i c o r k p m p a t r k n d w m c u r k o . c o s t a t u s i t h r i s f f r o r e w f o r i o m e o w u g e o b t o e w r a s p e j o g n t f o o d t e p u o l e k i n p y e a t h f n m f h o o o g d k s U w n r i o n n b s t a r t t e m e t o i t i n e l o w k t h s e a r i t h l l o d m p r e i d c l a s s i f i e d o m d a t o r o u s e e t h e r e n f o p c w t i o l o n a l e d n s i n c e d a r d e s e 1 9 o e a s i l y r e g p e r s o o a v a i l a r e ( t h h r e b e r a s t n c a l e n u e u t h w e d u t h e i n d t h d r r e r s a n h h u n 1 9 5 5 i c m l f i l l s t i s a s o t i o f u i e c y s t a k n y ) w e ( b r v e “ a w o u s e d a r e l i d e v e d n d h f l u w s u r i o e f w c o l y , b e s e l e c t e d p t a i n a r a k a s e e r r a t i c l e n c o e w t h t a t u b y k r r e g i n S e s e c a u s e A a s a c u e e b e c a u a t h o s e k s i s , C o n c e p ts e e a e t h t h e b r y e a n D t h t h i n u l u w t h a l l i s t a a r u t d t o d n a a n v o l e n g t h t i a l . r i o u n s t r i c t l y i n d e a d e f i d s t a t i s t i c a l n r e i g i s i n o a t i m s c d a s s u r e d n v e r o o a l a r e c o n o l l f m a c t u u h t i n e t s l y c m n f d t h a n t e t i o e s o t h e c t e c a p e e p d u o u e r a t e p h d l e r o d r t o n p p n c e a s o m r i o g o s y n k s h T o e r e n . m e e t i o d k 1 2 t h w a i t i o o i n p w e n s p c o o p f e e n t a l d e c o s o e c o i t s r e r m n e w s e i s e a r o a c c i d i n o y t o y s h u r p t i m c a l e n b e i s s i n c e T s u e R d r v e r e f u s a l s l e s s 7 7 . t a i n t f o e f f o — b r e n f o r w t A l s o i n a o s l e r t i n r v e t e s u c h g n s u r w p o r a f i n a s g e n c r k , e t c c l u d e d w f o m t o c l u y b y y , . d o a s o u t h k r k , d o s e w u e r i n i l l n e w i t h r k g g n s i d n m p l o w d h e f u o a r e f i n e d r t h e r s a t s i c a l e r e d y e Not in Labor Force. i n l e t t e r s c o e r e s s . g i s t e r i n g r i t i n a r e e e r y w r e w d e d c h o o n o a s o “ r m “ o t h e r ” g o r k e r s f o s e a s o n “ n a n u n e n w r o d l l c l a s s i f i e d o t i n c l a s s i f i e d l ,” A t r w a b l e t a l u p h h o o w e “ t o i l l n i n w t h a s e b o o “ d e s r e m p r r k s s , t h e l a e e n o s l o f o e n g a g e d w c l u m c i v i l i a n a s 1 6 y e r c e . ” o w b e c a u r e t i r e d v o l u t h u t r e e r v e p o y r t e n n f e e s e h o u o f l o a n d t a e o u T h n , d r s e ” w a r s o i n ” s y e d e a s l o n o l l w g o r k - t e r m l e i n g e , d o y e o t h k i n a n l o e r s o e i d f e p p s “ r i l y k a g e m r ” d n s r a r e ,” “ p . v e a r e i n h T y h e s e a s o n a l a n f o r “ o f f ” w o r k , LABOR FORCE, EM PLOYMENT, AND UN EM PLO YM ENT and persons w ho did not lo o k fo r w ork because they b elieved that no jo b s w ere available because o f personal factors — age, lack o f education or training, etc. — or because o f the p revailing jo b m arket situation. Persons doing on ly incidental unpaid fa m ily w ork (less than 15 hours during the su rvey w e e k ) are also classified as not in the labor fo rce. In addition to students with no current interest in labor fo rc e a ctivity, the ca tego ry “ not in labor fo rce — in sch o ol” includes persons attending school during the su rvey w e e k w ho had n ew jo b s to w hich they w ere scheduled to report within 30 days. It also includes students lookin g fo r jo b s fo r som e period in the future, such as the summer months. A ll persons — w hether or not attending school — w h o had new jo b s not scheduled to begin until after 30 days (and w h o w ere not w orking or lookin g fo r w o r k ) are also classified as not in the labor fo rce. F o r persons not in the labor fo rce , detailed questions are asked about previous w o rk experience, intentions to seek w ork , desire fo r a jo b at the tim e o f in terview , and reasons fo r not lookin g fo r w ork. T h ese questions are asked only in those households that are in the fourth and eighth months o f the sam ple, i.e., the “ ou tgoin g” rotation groups, those w hich had been in the sample fo r 3 previous months and w ou ld not be in fo r the sub sequent month. P rior to 1970, the detailed not-in-labor fo rc e questions w ere asked o f persons in the first and fifth months in the sample, i.e. the “ in com ing” groups. (See S am pling.) Sampling The Survey Design T h e C PS national sample is located in 461 areas co m prising 923 counties and independent cities w ith c o v erage in e v e r y State and the D istrict o f Colum bia. In all, about 57,000 housing units and other livin g quarters are designated fo r the sample each month, o f w hich about 47,000, containing 100,000 persons 16 years and o v e r, are occu pied b y households eligible fo r in terview . N o t 7 cities is d ivid ed into 1,931 prim ary sam pling units (P S U ’ s). W ith som e m inor exceptions, a P S U consists o f a county or a number o f contiguous counties. Each o f th e 238 sta n d a rd m e tr o p o lit a n s ta tis tic a l a rea s (S M S A ’ s ) 1 in existen ce at the tim e o f the 1970 Census constituted a separate P S U . Outside S M S A ’ s, counties norm ally are com bined, ex cep t w h ere the geographic area o f the single county is excessive. B y com bining counties to form P S U ’ s, greater h eterogen eity is ac com plished. M o re o v e r, another important considera tion is to have the P S U su fficiently com pact in area so that, with a small sample spread throughout, it can be efficien tly canvassed without undue travel cost. A ty p i cal prim ary sampling unit, fo r exam ple, includes both urban and rural residents o f both high and lo w econom ic levels and encom passes, to the extent feasible, d iverse occupations and industries. T h e P S U ’ s are grouped into 376 strata. A m o n g these P S U ’ s, 146 o f the largest S M S A ’ s ( i n c l u d i n g all those having o v e r 250,000inhabitants)and lO oth er areas (not S M S A ’ s ) are separate strata representing them selves. In general, h o w eve r, a stratum consists o f a set o f P S U ’ s as much alike as possible in various characteris tics such as geograph y, population density, rate o f grow th in the 1960— 70 decade, proportion o f blacks and oth er m inorities, principal industry, number o f farm s, and so on. E x cep t fo r the 156 areas m entioned above, each o f w hich is a com plete stratum, the strata are established so that their sizes in terms o f 1970 population are ap proxim ately equal. F ro m each stratum a single P S U is selected to represent the entire stratum. In the 156 strata in w hich there is on ly a single P S U (the 146 S M S A ’ s and 10 special cases), the single P S U automat ically falls in the sample. W hen the stratum has more than one P S U , the sample P S U is selected in a random manner in such a w a y that its p robability o f selection is proportion ate to its 1970 population. F o r exam ple, within a stratum the chance that a P S U having a popula tion o f 50,000 w ou ld be selected is tw ice that fo r a unit having a population o f 25,000. S election o f S am ple H o u seh o ld s. T h e sample design reflected in these counts are the sample areas and calls fo r a sampling ratio w hich depends on the p re households added beginning July 1975 to produce an determ ined total sample size. F o r 1976, it is roughly 1 nual estim ates fo r all 50 States and the D istrict o f C o l household fo r e v e ry 1,500 households in each stratum. T h e sampling ratio is m odified slightly each month, as umbia. T h e rem ainder are units found to be vacant, co n verted to nonresidentia! use, containing persons w ho reside elsewhere, or ineligible fo r other reasons. O f the size o f the sample is held relatively constant despite the occu pied units eligible fo r enum eration, about 3 to 5 used within each sample P S U depends on the propor tion that the population o f the sample area was o f the percent are not in terview ed in a given month because the o vera ll grow th o f the population. T h e sampling ratio the residents are not found at hom e after repeated calls, are tem porarily absent, refuse to coop erate, or are un stratum population at the tim e o f the 1970 Census. In a available fo r other reasons. w ith in -PS U sampling ratio that results is 1 in 150.0, sample area which was one-tenth o f the stratum, the thereby ach ievin g the desired ratio o f 1 in 1,500 fo r the S electio n o f S am ple A re a s. T h e entire area o f the U n it edFRASER States consisting o f 3,146 counties and independent Digitized for ^ e e appendix C. BLS HANDBO O K OF METHODS 8 stratum. F o r each P S U that is a stratum representing o n ly itself, the sampling ratio is 1 in 1,500 regardless o f the size o f the P S U . W ith each o f the 461 sample P S U ’ s the number o f households to be enumerated each month is determ ined by the application o f the w ith in -PS U sampling ratio rather than through the assignm ent o f a fix ed quota. Th is procedu re makes it possible to reflect, on a current basis, population changes within the sample area. C o n sequently, the sample as a w h o le properly reflects the changing distribution o f the population and avoids the distortion w hich w ou ld result from the application o f fix ed quotas o f households o r persons based on the population at an earlier date. W ithin each designated P S U , several stages o f sam pling m ay be used in selecting the units to be enum er ated. T h e first step is the selection o f a sample o f census enum eration districts (E D ’ s), w hich are adm inistrative units used in the 1970 Census and contain, on the a ver age, about 300 households. T h ese are selected sys tem atically fro m a geogra p h ica lly arranged listing, so that the sample E D ’ s are spread o v e r the entire P S U . T h e probability o f selection o f any on e E D is prop or tionate to its 1970 population. T h e next step is to select a cluster o f approxim ately fo u r households to be enum erated within each desig nated E D . Th is selection is made w h e reve r possible fro m the list o f addresses fo r the E D com piled during the 1970 Census or, i f the addresses are incom plete or inadequate, b y area sampling m ethods. T h e address lists are used in about tw o-thirds o f the cases, prim arily in urban areas, and area sampling is applied in the rem ainder. In using the census lists an e ffo rt is made to have all small multiunit addresses (2-4 units) included w ithin the same segm ent. Th is im p roves the ability o f the in te rview er to c o v e r all units designated fo r the sample. Subject to this restriction, clusters consist o f as geograph ically contingent addresses as possible. Th is list sample is supplem ented b y a selection o f the appropriate proportion o f units n ew ly constructed in the P S U since the census date. T h e addresses o f these units are obtained m ainly fro m records o f building per mits m aintained b y the o ffic e s responsible fo r issuing in terview s at all housing units in the segment but uses a system atic sampling pattern so as to ach ieve the equ iva lent o f a 4-household cluster w hich is canvassed co m pletely. T h e rem aining housing units in the segment are then available fo r future samples. R o ta tio n o f S am ple. Part o f the sample is changed each month. A prim ary reason fo r rotating the sample is to avoid the problem s o f uncooperativeness which arise w hen a constan t pan el is in te rv ie w e d in d efin itely. A n o th er reason fo r replacing households is to reduce the cum ulative e ffe c t o f biases in response that som e tim es occu r w hen the same persons are in terview ed indefinitely. T o accom plish this rotation o f the sample on a gradual basis, maps and other materials fo r several samples are prepared sim ultaneously. F o r each sam ple, eight system atic subsamples (rotation grou ps) o f seg ments are identified. A given rotation group is inter vie w e d fo r a total o f 8 months, d ivid ed into tw o equal p eriod s. It is in the sample fo r 4 consecu tive months one year, leaves the sample during the fo llo w in g 8 months, and then returns fo r the same 4 calendar months o f the next year. In any 1 m onth, one-eighth o f the sample segm ents are in th eir first m onth o f en u m eration, another eighth are in their second month, and so on; the last eighth are in fo r the eighth tim e, the fourth month o f the second p eriod o f enum eration. U n d er this system , 75 percent o f the sample segments are com m on from month to month and 50 percent from year to year. This procedure provid es a substantial amount o f month-tomonth and year-to-year o verla p in the panel, thus re ducing discontinuities in the series o f data, w ithout burdening any specific group o f households with an unduly lon g period o f inquiry. Collection M ethods Each m onth, during the calendar w eek containing the 19th day, in terview ers contact som e responsible person in each o f the sample households in the C P S . A t the tim e o f the first enum eration o f a household, the in terview er visits the household and prepares a roster o f the house perm its in that area. A special procedu re is also fo l hold m em bers, including their personal characteristics lo w e d to include units in the sample that had been m issed in the Census. In those enum eration districts w h ere area sam pling m ethods are used — m ainly rural (date o f birth, sex, race, marital status, educational a re a s — the E D ’ s are subdivided into segm ents, that is, small land areas having w ell-defin ed boundaries and in general an ex p ected “ siz e ” o f about 8 to 12 housing units o r oth er livin g quarters. F o r each subdivided E D , attainment, veteran status, origin or descent, e tc .) and their relationship to the household head. Th is roster is brought up to date at each subsequent in terview to take account o f new o r departed residents, changes in mari tal status, and sim ilar item s. T h e inform ation on p er sonal characteristics is thus available each month fo r one segm ent is designated fo r the sam ple; the probabil identification purposes and fo r cross-classification w ith ity o f selection is proportionate to the estim ated “ s iz e ” econ om ic characteristics o f the sam ple population. o f the segm ent. W h en a selected segm ent contains Personal visits are required in the first, second, and about 4 households, fo r exam ple, all units are included in the sample. In cases w here the “ s iz e ” o f the segm ent fifth month that the household is in the sample. In oth er months, the in terview m ay be conducted b y telephone is several tim es 4 units, an in te rview er does not conduct i f the respondent agrees to this procedu re. A ls o , i f no LABOR FORCE, EM PLOYM ENT, AN D U N EM PLO YM ENT one is at hom e w hen the in terview er visits, the respon dent m ay be contacted by teleph one after the first month. A p p ro x im a tely 50 percent o f the households in any given month are in terview ed by telephone. A t each m onthly visit, a questionnaire is com pleted fo r each household m em ber 16 years o f age and o ver. T h e in terview er asks a series o f standard questions on eco n om ic a c tiv ity during the p reced in g w e e k , the calendar w eek containing the 12th day o f the month, 9 recruited and have either direct o r hom e study training each month, b efore the survey. M o re o v e r, through edit ing o f their com pleted questionnaires, repeated obser vation during enum eration, and a system atic reinter v ie w o f part o f their assignments by the field supervi sory staff, the w ork o f the in terview ers is kept under control and errors o r deficien cies are brought directly to their attention. called the “ su rvey w e e k .” T h e prim ary purpose o f these questions is to classify the sample population into the three basic econ om ic groups — the em ployed, the Estimating Methods u nem ployed, and those not in the labor fo rce. (S ee T o increase the reliability o f the labor fo rc e statistics d erived from the sample, the estim ation procedure uses tw o stages o f ratio estim ates and a “ com posite esti facsim ile o f the C PS standard questionnaire on page 13 o f this bulletin.) A ddition al questions are asked each month to help cla rify the inform ation on labor fo rc e status. F o r the m a te.” A ch ievem en t o f this rather com plicated pro cedure is made rapidly and autom atically because o f the em p loyed , inform ation is obtained on hours w orked during the survey w eek , together with a description o f T h e principal steps in vo lv ed are as fo llo w s: the current jo b . F o r those tem porarily aw ay from their jo b s , the enum erator records their reason fo r not w o rk ing during the su rvey w eek , w hether or not they w ere paid fo r their time o ff, and w heth er they usually w ork full or part tim e. F o r the u nem ployed, inform ation is obtained on (1) m ethod (s) used to find w ork during the 4 availability o f high-speed electron ic digital com puters. A d ju s tm e n t f o r H o u se h o ld s N o t I n te r v ie w e d . T h e w eights fo r all households in terview ed are adjusted to the extent needed to account fo r units occu pied by persons eligible fo r in terview but fo r w hich no in terview was obtained because o f absence, impassable roads, refusals, o r other reasons. Th is adjustment is made w eeks prior to the in terview , (2) the reasons the unem p loyed persons had started to lo o k fo r w ork, (3) the length o f tim e they had been lookin g fo r w ork , (4) w hether they w ere seeking full- or part-time w ork and group o f households (urban, rural nonfarm , rural farm ). (5) a description o f their last full-tim e civilian jo b . F o r those outside the labor fo rce , their principal a ctivity T h e adjustment is made separately within each indi vidual rotation group. T h e proportion o f sample house during the su rvey w e e k — w hether keeping house, going to school, o r doing som ething else — is recorded. In holds not in terview ed fo r the a b o ve stated reasons ranges from 3 to 5 percent. addition, fo r all households in the outgoing rotation groups, questions on the w ork h istory, reasons fo r non R a tio E stim a te s . T h e distribution o f the population participation, and jo b seek in g intentions o f individuals not in the labor fo rce are asked. Th e questionnaires containing the inform ation ob tained fo r each person in the sample are subjected to a field edit b y clerks in each o f the 12 regional o ffices o f the Census Bureau. T h e field edit serves to catch om is sions, inconsistencies, illegib le entries, and errors at the point w here c orrection is still possible. M an y o f the error correction s made in the field edit preven t delays in chance, fro m that o f the N a tio n as a w h ole in such basic characteristics as age, race, sex, and farm -nonfarm residence, am ong other things. T h ese particular popu lation characteristics are clo sely correlated with labor fo rc e participation and other principal measurements made fro m the sample. T h ere fo re, som e o f the sample estim ates can be im p roved substantially when, by ap propriate w eighting o f the original returns, the sample further processing o f the questionnaires in W ashington. population is brought as clo sely into agreem ent as pos A fte r the field edit, the questionnaires are forw arded sible w ith the know n distribution o f these characteris to the J e fferso n ville, Indiana o ffic e o f the Census tics in the entire population. Such w eighting is accom plished through tw o stages o f ratio estimates: Bureau. A ll o f the questionnaires are received in J effer sonville by the end o f the w e e k after enumeration. H ere the raw data are transferred to com puter tape and separately b y groups o f P S U ’ s and, within these, fo r each race (w h ite or black and oth er) and residence sele cted fo r the sam ple m ay d iffe r so m ew h a t, b y 1. F irst S ta g e . T h e first stage o f ratio estimates takes transmitted b y w ire to the com puters in the Census Bureau’ s W ashington o ffic e w h ere they are checked fo r into account differen ces in the distribution at the tim e o f com pleteness and consistency. tion, estim ates from the sample P S U ’ s and that o f the total population in each o f the fou r m ajor regions o f the country. H o w e v e r, independent distributions o f the T h e in terview ers on the C P S are ch iefly part-time w orkers, although most o f the staff at any tim e consists o f persons w ho have had several years experien ce on the survey. T h e y are given intensive training w hen first the last Census, b y race and residence o f the popula total population b y residence, cross-classified b y race, are not available on a current basis. Instead, using 1970 BLS HANDBO O K OF METHODS 10 census data, estim ated population totals b y race and residen ce fo r a given region are com puted from popula month, based upon that part o f the sample w hich is com m on to both months (75 percen t). A lthou gh the tion counts fo r P S U ’ s in the C P S sample. Ratios are then com puted betw een these estim ates (based on sam w eights fo r the tw o com ponents o f such a com posite ple P S U ’ s) and the actual population totals fo r the re instance the w eights used fo r com bining these tw o estim ate do not necessarily have to be equal, in this gion as shown by the 1970 census. Such a ratio estim ate estim ates are each one half. Equal w eights in this case does not im ply that the ratio existing in 1970 w ou ld be unchanged at a current date. In derivin g these ratios, satisfy the condition that fo r virtu ally all item s there w ill be som e gain in reliability o v e r the estim ation p ro P S U ’ s that made up entire strata and w ere selected with certainty (usually referred to as “ self-representing” cedure after the first tw o stages o f ratio estim ates. P S U ’ s) are exclu ded from the com putations, since they re p res en t o n ly th e m s e lv e s . In ta b u latio n s o f the m onthly results from the C P S , the w eights fo r all sam ple households from non-self-representing P S U ’ s in a given region are m ultiplied by the population ratio fo r that region fo r the appropriate race-residence group. T h e com posite estim ate results in a reduction in the sampling error b eyon d that w hich is ach ieved after the tw o stages o f ratio estim ates described; fo r som e items the reduction is substantial. T h e resultant gains in relia b ility are grea test in estim ates o f m onth-to-m onth change, although gains are also usually obtained fo r estim ates o f le v e l in a given month, change from year to year, and change o v e r oth er intervals o f tim e. 2. S e c o n d S ta g e . T h e second stage o f ratio estim ates takes account o f current d ifferen ces betw een the popu lation distributions o f the sample and that o f the N a tio n as a w h ole b y age, race, and sex. Independent esti mates o f the entire population, b y these characteristics, are prepared each month. P rior to January 1974 they w ere calculated b y carrying fo rw a rd the most recent census data (1970) to take account o f subsequent aging o f the population, births, m ortality, and migration b e tw een the U n ited States and oth er countries. Beginning in 1974, the “ in flation -deflation ” m ethod o f derivin g independent population controls was intro duced into the C P S estim ation procedures. In this pro cedure, the m ost recent census population adjusted to include estim ated net census undercount b y age, race, and sex (i.e ., “ in flated” ) is carried fo rw a rd to each subsequent month and later age b y adding births, sub tracting deaths, and adding net m igration. Th ese postcensal population estim ates are then “ d efla ted ” to cen sus le v e l to reflect the pattern o f net undercount in the m ost recent census b y age, race, and sex. T h e actual percent change o v e r tim e in the population in any age group is p reserved. T h e C P S sample returns (taking into account the w eights determ ined after the first stage o f ratio estim ates) are, in e ffect, used to determ ine on ly the percen t distribution w ithin a giv en age-race-sex group b y em ploym en t status and oth er characteristics. In d evelop in g statistics, these sample distributions are m ultiplied b y the ratio o f the independent population estim ate fo r the appropriate age-race-sex group. Presentation and Uses T h e C P S p rovid es a large amount o f detail on the econ om ic and social characteristics o f the population. It is the source o f m onthly estim ates o f total em p lo y ment, both farm and nonfarm ; o f nonfarm self-em p lo yed persons, dom estics and unpaid helpers in non farm fa m ily enterprises, as w ell as w a ge and salaried em p loyees; and o f total u nem ploym ent, w hether o r not c o v e re d b y u n em ploym en t insurance. It is a c o m p reh e n siv e sou rce o f in fo rm a tio n on the p erson a l characteristics such as age, sex, race, origin o r d e scent, educational attainment, and the marital and fa m ily status o f the total civilian population (not in institutions 16 years o f age and o v e r) and o f the em ployed, the u nem ployed, and those not in the labor force. It provid es distributions o f w orkers by the number o f hours w ork ed , as distinguished from aggregate o r a ver age hours fo r an industry, perm itting separate analyses o f part-tim e w orkers, w orkers on overtim e, etc. T h e survey is a com preh en sive current source o f inform a tion on the occu pation o f w orkers, w hether teacher, stenographers, engineers, laborers, etc. It also provid es lim ited statistics on the industries in w hich they w ork. In form ation is available from the su rvey not o n ly fo r persons currently in the labor fo rc e but also fo r those w h o are outside o f the labor fo rc e , som e o f w h o m m ay be considered to be a “ labor re s e rv e .” T h e characteris tics o f such persons — w hether m arried w om en w ith or C o m p o site E stim a te . T h e last step in the preparation o f estim ates makes use o f a com posite estim ate. In this w ithout young children, disabled persons, students, re tired w orkers, etc. — can be determ ined. A ls o , through procedu re, a w eigh ted average o f tw o estim ates is o b special inquiries, it is possible to obtain inform ation on tained fo r the current month fo r any particular item. T h e first estim ate is the result o f the tw o stages o f ratio their skills and past w o rk exp erien ce, i f any. Each month, a significant amount o f basic inform a estim ates described above. T h e second estim ate con sists o f the com posite estim ate fo r the p recedin g month E m p loym en t a n d E arnings. T h e detailed tables in this to w hich has been added an estim ate o f the change in report p rovid e inform ation on the labor fo rc e , e m p lo y each item betw een the precedin g m onth and the present ment, and unem ploym ent b y a num ber o f characteris tion about the labor fo rc e is analyzed and published in LABOR FORCE, EM PLOYMENT, AND UN EM PLO YM ENT tics, such as age, sex, race, marital status, industry, and occupation. Estim ates o f the labor fo rce status o f selected population groups not published on a m onthly basis, such as persons o f Spanish origin, p o verty and n on poverty residents o f the N a tio n ’ s m etropolitan and nonm etropolitan areas, special data fo r V ietn am -era veterans, etc., are published e v e ry quarter. A p p ro x i 11 m ately 50 times as large as the present sample. Publica tion o f sub-national data d erived from the C P S is limited to annual estim ates fo r regions, all States (e ffe c tiv e with 1976 data, based on the special supplementation in itiated in July 1975 — fo r prior years, lim ited to large states), large S M S A ’ s, and selected central cities. m ately 300 o f the m ost im portant estim ates from the S ou rces o f Errors in the Su rvey E stim a tes. Th e esti C P S are presented each month on a seasonally adjusted basis. Since 1973, the Census B ureau’ s X - l l m ethod has been used to seasonally adjust labor fo rce data.2 mates from the su rvey are subject to sampling errors, T h e C P S is used also fo r a program o f special in quiries to obtain detailed inform ation from particular segments, or fo r particular characteristics o f the popu lation and labor fo rce . A p p rox im a tely 8 to 10 such that is, errors arising from the fact that the estimates each month are based on inform ation from a sample rather than the w h ole population. In addition, as in any su rvey w ork , the results are subject to errors made in the field and to errors that occu r in the process o f com pilation. special surveys are made each year. T h e inquiries are Classification errors in labor fo rce surveys may be repeated annually in the same month fo r som e topics, particularly large in the case o f persons with marginal including the earnings and total incom es o f individuals and fam ilies (published by the Census Bureau), the extent o f w ork experien ce o f the population during the attachments to the labor fo rce . Th ese errors m ay be caused by in terview ers, respondents, or both, or m ay calendar year, the extent o f overtim e w ork at premium continuous quality control program , in terview ers may pay, usual w e e k ly earnings o f w a ge and salary w orkers, not alw ays ask the questions in the prescribed fashion. and the prevalen ce o f multiple job-h oldin g. T h e y also include marital and fa m ily characteristics o f w orkers, the em ploym en t o f school age youth, the em ploym en t T o the extent that varying the w ordin g o f the question cau ses d iffe re n c e s in re sp o n se , erro rs o r la ck o f o f high school graduates and dropouts, the em ploym en t arise from faulty questionnaire design. In spite o f a uniform ity in the statistics m ay result. Sim ilarly, the data are lim ited by the adequ acy o f the inform ation o f recent co llege graduates, and the educational attain ment o f w orkers. Surveys have been made period ically on subjects such as jo b m obility, jo b tenure, job-search possessed by the respondent and the willingness to report accurately. activities o f the u nem ployed, and the intensity o f the jo b other types o f errors beyon d those already mentioned. Som e o f these are: search. G en erally, the persons w ho p rovid e inform ation fo r Th e estim ates from the survey are subject to various the m onthly C P S questions also answ er the supplem en 1. N o n resp o n se. A b o u t 3 to 5 percent o f occupied tal questions. O ccasion ally, the kind o f inform ation sought in the special su rvey requires the respondent to be the person about w h om the questions are asked. units are not in terview ed in a typical month because o f In form ation obtained through the supplemental ques tions is com bin ed with data in the regular schedule to p ro vid e tabulations o f all the desired personal and econ om ic characteristics o f the persons in the special survey. R ep orts on these special surveys are first pub lished in the M on th ly L a b o r R e v ie w . Reprints o f the articles, together w ith technical notes and additional tables, are published as S p e c ia l L a b o r F orce R e p o r ts . is m ade in w eights fo r in terview ed households to ac count fo r n on interview s, they still represent a possible source o f bias. Sim ilarly, fo r a rela tively fe w house holds, som e o f the inform ation is om itted because o f lack o f kn ow led ge on the part o f the respondent or because the in terview er fo rg o t to ask certain questions o r record the answers. In processing the com pleted questionnaires, entries usually are supplied fo r om itted items on the basis o f the distributions in these items fo r tem porary absence o f the occupants, refusals to co o p erate, o r various other reasons. A lthou gh an adjustment persons o f similar characteristics. Limitations 2. In d ep en d en t P opu lation E stim a tes. T h e indepen G eograph ic. T h e C P S is designed to produce reliable dent population estim ates used in the estim ation pro n ational estim ates. It is n ot d es ign ed to p rod u ce cedure m ay also p rovid e a source o f error although, on balance, their use substantially im p roves the statistical m onthly estim ates fo r States and areas. A sample which could produce State estim ates as reliable as those now published fo r the N a tio n w ou ld have to be approxi- 2F or a detailed descrip tion o f the X - 11 m eth o d , se e T ech nical Paper N o . 15, T he X - l 1 Variant o f the C en su s M eth od 11 S eason al A d just m ent Program , B ureau o f the C en su s 1967. reliability o f many o f the important figures. (S ee dis cussion under “ R atio E stim ates.’ ’ ) Errors m ay arise in the independent population estimates because o f under enum eration o f certain population groups o r errors in age reporting in the last census (w hich serves as the base fo r the estim ates) or similar problem s in the com BLS HANDBO O K OF METHODS 12 putations, h o w eve r, do not incorporate the e ffe c t o f response bias, that is, any system atic errors o f response — fo r exam ple, those that w ou ld occur if, by and large, respondents tended to overstate hours w orked. R e 3. P ro cessin g E rrors. Althou gh there is a quality con sponse biases occu r in the same w a y in a com plete trol program on coding and a close control on all other census as in a sample, and, in fact, they may be sm aller phases o f processing and tabulation o f the returns, in a w ell-conducted sample su rvey because fo r the rela som e processing errors are alm ost inevitable in a large tiv e ly small sample it is feasible to pay the price neces statistical operation o f this type. H o w e v e r, the net error sary to co llect the inform ation m ore skillfully. arising from processing is probably fa irly negligible. Estim ates o f sampling and response variability co m bined are p rovid ed in E m ploym en t an d E arnings and in M easu rin g the A c c u ra c y o f R esu lts. M odern sampling other reports based on C P S data, thus perm itting the user to take this fa cto r into account in interpreting the theory provid es methods fo r estim ating the range o f data. In general, the sm aller figures and small d iffer errors due to sampling w here, as in the case o f the C PS sam ple, the probability o f selection o f each m em ber o f ences b etw een figures are subject to relatively large the population is know n. M eth ods are also available fo r variation and should be interpreted with caution. Th e determ ining the e ffe c t o f response variability in the availability o f high-speed electron ic com puters makes C P S . A measure o f sampling variability indicates the possible con siderably m ore detailed estim ates than range o f d ifferen ces that m ay be e x p ected because only w ere possible earlier. a sample o f the population is surveyed. A measure o f Estim ation o f response bias is one o f the m ost d if response variability indicates the range o f d ifferen ce ficu lt aspects o f su rvey and census w ork. S ystem atic that m ay be exp ected as a result o f com pensating types studies on this subject are n ow an integral part o f the o f errors arising from practices o f differen t in terview ers C P S , but in many instances available techniques are not and the replies o f respondents; these w ou ld tend to su fficiently precise to p rovid e satisfactory estim ates o f cancel out in an enum eration o f a large enough popula response biases. Considerable experim entation is in p rogress w ith the aim o f d e v e lo p in g m ore p recise tion. In practice, these tw o sources o f error-sam pling and response variability, as defined a b o ve — are esti measurements and im proving the overa ll accuracy o f the series. m ated jo in tly from the results o f the survey. T h e co m ponents o f population change (m ortality, im m igration, e tc .) since that date. Technical References N um ber 1. 2. 3. P resid en ts C o m m ittee to A p praise E m p loym en t and U n em p lo y m e n t S t a t i s t i c s , M e a s u r i n g E m p l o y m e n t a n d U n e m p lo y m e n t (1962). A rev iew o f all F ed eral statistical series on em p loym en t and u n em p lo y m en t and a com p arison o f th e sou rces and u ses o f e a ch series. T h e d isc u ssio n o f labor fo r ce statistics inclu des a b rief h istory o f their d ev elo p m en t, an evalu ation o f current c o n c ep ts and tech n iq u es, and recom m en d ation s for further research and im p rovem en ts, several o f w h ich w ere inaugu rated in January 1967. U .S . D e p a r tm e n t o f C o m m e r c e , B u rea u o f th e C e n s u s , T e c h n ic a l P a p e r N o . 6 , “ T h e Current P opulation S u rvey R ein terv iew Program — S om e N o te s and D isc u s sio n ” (1963). A sum m ary o f p roced u res and results o f the Current Popu lation S u rv ey R ein terview Program from 1955 through 1961 and so m e interp retation s and com p arative results from other stu d ies. ___________ , T e c h n ic a l P a p e r N o . 7, “ T h e Current Population S u rv ey — A R eport on M eth o d o lo g y ” (1963). A b rief h istory o f the Current P opulation S u rvey (C PS) from its in cep tio n (1940) to the p resen t. A detailed descrip tion N um ber is given for both the sam p le d esign and su rvey proced u res. A lso inclu ded is a d etailed d isc u ssio n o f the variou s m od ifica tion s in d esign and p roced u res and th e resultant gain in p reci sion . 4. U .S . D epartm en t o f L abor, B ureau o f L abor S tatistics and U .S . D epartm en t o f C om m erce, B ureau o f th e C en su s, C o n c e p ts a n d M e th o d s U s e d in M a n p o w e r S t a t i s t i c s f r o m th e C u r r e n t P o p u la tio n S u r v e y , B L S R eport 313 and the Current P opula tion R ep orts, S eries P -23, N o . 22 (1967). A c o n c ise d escrip tion o f th e m eth od ology u sed in obtaining labor fo rce inform ation from sam ple h ou seh o ld s. L abor fo rce c o n c ep ts and d efin ition s are set forth. T he ad eq u acy o f labor force data and qu ality co n trols are d isc u sse d , and m ajor im p ro v em en ts in th e Current P op u lation S u rv ey are listed ch ron ologically. 5. ----------------- H o w th e G o v e r n m e n t M e a s u r e s U n e m p lo y m e n t, R eport 418 (1973). A sh ort n o n tec h n ic a l d is c u s s io n o f th e c o n c e p ts and m eth od s u sed in obtainin g labor force sta tistics from the Current P opulation S u rvey. LABOR FORCE, EM PLOYM ENT, AN D UN EM PLO YM ENT FORM CPS-1 INTERVIEWER CHECK ITEM U.S. DEPARTMENT OF COMMERCE 13 CONTROL NUMBER \ l i j 5 J y " URCAU ° F ™E CEN5US O nly CPS-1 for h o u seh o ld . . . . t F irs t CPS-1 of con fin u o tio n h 'h o l d . . [ ) Second CPS-1 of co n tin u atio n h 'h o ld . | | T hird, fourth, and 5th C P S -1 . . - • n L INE NO. O F H’HOLD R E S P. NON H'H O LD R E S P O N D E N T .............. ..........□ (Specify and Send Intercom*) / \ INTERVIEW ANY ENTRY O THER THAN f Yes [ ~ ] NEVER WORKED IN ITEMS 2 3 A -E IN THIS C P S -1 ............ 1 No ____ □ NONINTERVIEW T Y P E A ........................................... ......... □ T Y P E B ........................................... ..........□ T Y P E C ........................................... ......... □ C M B B S IN ? 26.1:1 y ® S > ( U iM ] @ J Q 1 1 1 1 1 S M B '; S t Form Approved O.M.B. No. 41-R1202-14 PSU | SEGMENT SERIAL BLS HANDBOOK OF METHODS 14 25. LINE NO. 2 6 . R E LA TIO N SH IP TO HEAD O F HOUSEHOLD (Control Card Item 14b) o 9 o O ther 2 £ o 10 o 3 3 2 3 O th er r e la tiv e ........................................ o 3 4 N o n re la tiv e -ow n re ls . in h o u s e h o ld ............... 5 a? LU o 11 5 o 12 o o 13 o 6 6 ? ■ ■ N o n re la tiv e -no own r e la tiv e s in h o u se h o ld 8 g (Control Card Item 14b) 0 I I O O ther r e la tiv e ........................................ O N o n re la tiv e -own re ls . in h o u s e h o ld ............... O 3 5 3 I 2 3 3 O ther r e la tiv e ........................................ 1 O O r N o n re la tiv e -own r e ls . in h o u s e h o ld ............... i— ? m 3 O 10 o 4 O 11 5 O 12 O 6 13 O O O O .D I N egro O 9 O O ther 2 O 3 O 10 o 4 O 11 o 5 O 12 O 6 O 13 O O O 3 3 O N onre la tive -own r e ls . in h o u se h o ld ., o 2 7 . AGE (Mark one 2 9 . RACE circle only) 0 O 7 0 White 1 O 8 0 Negro O 2 9 0 O ther 0 3 0 10 O 4 0 H O 5 0 12 O 6 13 O 0 ■ O O 30. SEX M a le .. O F e m a le O White 25. LINE NO. (Control Card Item 14b) a 0 0 0 O 1 O 8 O N egro 0 1 I 2 o 9 0 O ther U 2 2 3 O 3 3 7 O 10 5 o 12 O o 13 O 6 5 X u X o 11 0 30. SEX M a le .. F em ale O 0 26. RELA TIO N SH IP TO HEAD O F HOUSEHOLD C h i l d ........................................................ O ther r e la tiv e ........................................ O O 2 7 . AGE (Mark one 2 9 . RACE circle only) 0 O 1 o 7 O White 8 O Negro O 2 o 9 O O ther 3 o 10 O 4 z > N o n re la tiv e -own re ls . in h o u se h o ld ............... 5 o 5 o 12 O o 13 O 6 G ? m ■ N onre la tiv e -no own re la tiv e s in h o usehold O O 30. SEX M a le .. O F e m a le O o 9 C h ild ................................... 3 O o ■ (Control Card Item 14b) 3 I O ther O 26. RELA TIO N SH IP TO HEAD O F HOUSEHOLD 2 White 8 O O (Control Card Item 14b) 0 2 O 7 O 1 o N on re la tiv e — 2 7 . AGE (Mark one 29. RACE circle only) N o n re la tiv e no own re la tiv e s in h o u se h o ld Fem ole Negro 9 O G 8 0 White o 20 4 5 N onre la tive -own r e ls . in h o u se h o ld ............... M a le .. 0o o 2 6 . RELA TIO N SH IP TO HEAD O F HOUSEHOLD C h i l d ........................................................ O 27. AGE (Mark m circle only) M a le .. F em ale 0 I 2 O ther r e la tiv e ........................................ O (Control Card Item 14b) 0 O 30. SEX 2 7 . AGE (Mark one 29. RACE circle only) N o n re la tiv e - 2 5 . LINE NO. C h i l d ........................................................ no own r e la tiv e s in hou se h o ld 0O C h i l d ........................................................ no own re la tiv e s in h o u se h o ld O o 2 6 . RELA TIO N SH IP TO HEAD O F HOUSEHOLD 0 O 0 X I 0 O 1 o 6 0 White Negro C O 3 (Control Card Item 14b) 7 O C h i l d ........................................................ 0 26. RELA TIO N SH IP TO HEAD O F HOUSEHOLD 8 o X I 2 2 0 3 2 7 . AGE ( Mark one 29. RACE circle only) O ther r e la tiv e ........................... o o 2 7 . AGE (Mark one 29. RACE circle only) 0 o i o 2 0 3 o 5 0 10 0 11 0 12 n 6 13 O 4 o N o n re la tiv e -own re ls . in h o u s e h o ld ., o 7 0 8 G 9 G o 26. RELA TIO N SH IP TO HEAD O F HOUSEHOLD (Control Card Item 14b) White 0 0 Negro I I o O ther O 0 O 1 o 2 o o M a le .. N o n re la tiv e — no own re la tiv e s in h o u se h o ld 2 7 . AGE (Mark oi circle only) n re la tiv e s in hou se h o ld O o 7 O White 8 o 9 o N egro O 3 o 10 o 4 o 11 o 5 o 12 o o 13 o 6 O O ther O M a le .. F e m a le O O LABOR FORCE, EM PLOYM ENT, AN D U N EM PLO YM ENT 9 20 75 26.1:1 15 BLS HANDBO O K OF METHODS 16 !0. Did . . . do any work a t all LAST WEEK, not counting 8. LINE NUMBER work around the house? (Note: If farm or business operator in kk., ask about unpaid work) j 19. What w as . . . doing most o LAST WEEK - No O (Co to 21) Yes 0 ( Working < Keeping house V Going to school or something e lse? 20A. How many hours did . . . work _ q q ^ j LAST WEEK 21. (If I in 19, skip to 21A.) 22. (If LK in 19, skip to 22A.) Did . . . have a job or H as . . . been looking for work b u sin ess from which he during the p a st'd weeks? was temporarily absent or on layoff LA5T WEEK?^ No O (Co to 22) Y es C /■ 21A. Why was . . . absent from work LAST WEEK? Own ill n e s s ----- O On v a c a tio n ----- O Bad w eother___ O Labor d ispute . . O Yes O O ^^with P0*3- employ, agency O With o job but not at work . . J Looking for w o rk ..................LK G Keeping h o u s e .......................... H G Going to sc h o o l........................ S O Unable to work (Skip to 24). U O R e tired ........................................R O Other (Specify)...................... OT O \ 20B. INTERVIEWER CHECK ITEM + 49 ' 1-34 O (Skip to item 23) (Co to 20C) (Coto20D) -------20D. Did . . . lose any time oi take any time off LAST 35-48 o WEEK for any reason such a s illn ess, holiday or slack work? 20C. D oes . . . USUALLY work 35 hours or more a week at th is job? Yes O Y es O Temporary layoff o 1 Other (Specify). . ( Correct 20A if lost time not already deducted; if 20A reduced below 35, correct 20B and fill XC; otherwise, skip to 23.) No < G O O New job started during week . 9 Y e s .................. job LAST WEEK? Yes O How many extra O O Bad w e o th e r .............................. O Own ill n e s s ................................ O On v o c a tio n ............................... Too busy with housework, school, personal bus., e tc. O Did not wont full-time work . . Full-time work week under 35 hours O or quit a job at that time (papse) or was there some other reason? L ost job......................... O Quit jo b ......................... O 22C. O O 1) How many weeks h as . . . been j looking far work? g g 3 3 2) How many weeks ago did . . . start looking for work? Y es O (Correct 20A and 2OB a: necessary if extra hours not already included and skip to 23.) 3) How many weeks 3 up to 4 years a g o .. 4 up to 5 years a g o . . 5 or more years ago. J0" Never worked O O Q y ’ (Skip to 24C) 24B. Why did . . . leave that job? Personal, family (Incl. pregnancy) or School.. . 26. RELATIONSHIP TO HEAD OF HOUSEHOLD O Retirem ent or old a g e ..................... O Seasonal job com pleted.................. O Slack work or b u siness conditions O non seasonal job com pleted. . . O U nsatisfactory work arrangements (Hours, pay, etc.) O (Skip to 23 and enl held last week) A O ? C o G D a E O F O c 3 B O 3 3 S ? y 8 (Skip to 23 and enter job worked at last week) o ? 8 r 0 0 0 X I I £ £ £ 3 3 3 Q o R O G G G 5 3 3 o T O G O H O G 6 ? l J K L M 8 9 0 O O O G 8 9 Ref. O N O P o D on't know. . O N onrelative of head with no own relatives in h 'hld. O 27. AGE Part O e not take a job LAST WEEK? ( Already has a job........ O O Temporary i l l n e s s ___ O | Going to sc h o o l............ O O L Other (Specify in notes) O Married - c ivilian spouse present O 24D. What are the rea sons . . . is not looking for work? (Mark each reason mentioned) • B e lieves no work available in line of work or a re a ................ O X I c 3 3 3 ? ? 9 9 • Other pars, handicap in finding job O 29. RACE • C a n 't arrange child c o re ..................... O • Family r e s p o n s ib ilitie s .................... • III health, physical d is a b ili ty ___ 1970 or later (Write month and yen) • . O c 3 • C ouldn't find any w o rk .................... o • L ocks nec. schooling training, sk ills or e x p e r ie n c e .. O • Employers think too young or too o ld ......... O ■ ■ O • Other (Specify in notes)....................... O O U O V o w o X o Y O z o (Month and year) Before 1970 ........................................... O Nev. worked full-time 2 wks. or more O Never worked ot a ll.............................. O (Skip to 23 and enter last full-time civilian job lasting 2 weeks or more, job from which laid off, or "Never Worked")_____________ of any kind in the next 12 months? Y e s ................ ........................ O (Nam eofcompany, business,organizationorotherem ployer) 23B. What kind of b u sin e ss or industry is this? (For example: TV and radio mfg., retail shoe store, State Labor Dept., farm.) : electrical engineer, stock clerk, typist, farmer.) 2Z0.W . . .'s most important activities or duties? (F orexam ple:types,keepsaccountbooks,files,sellsc< opheartatwesereprin tingpress,finishesconcrete.) O Never married . . O 30. SEX AND VETERAN STATUS Mole Vietnam E ra O O Negro World War II O O World War 1.. O Other O s 24E. Does . . . intend to look for work Widowed or divorced . . Korean War.. O • Don't know............................................. Married • Armed F a rce s spouse present O Married • spouse a bsent ~ finclude separated) Q White O a In school or other tr a in in g ................ O 22F. When did . . . la st work at o full-time job or b u siness lasting 2 consecutive w eeks or more? 28. MARITAL STATUS >(Skip to 24E) Other Service O N onveteran.. O Fem ole................ O 31. HIGHEST 32. GRADE 33. COM ORIGIN GRADE AT PLETED It depends (Specify in notes) O No . TENDED D on't know.............................. < E H C 0 0 I I I c 8 (If entry in 24B, describe job in 23) 23. DESCRIPTION OF JOB OR BUSINESS 23C. What kind ot work w as . . . doing? ( For e> O O 0 22E. Is there any reason why . . . could \J OCCUPATION > (Co to 24D) O J Other relative of head . . . . . . Non-rel. of head with own rels. (incL wife) in h 'h ld ., or part-tim e work? No 0 0 I x & G ? ? Maybe - it depends (Specify in notes) O Wife of h e a d . either full- or part-tim e? off? Full o O FFICE USE ONLY \ H ead with other rela tiv e s (incl. wife) in h'hld............. O Head with no other rela tive s in h'hld. . 24C. D oes . . . want a regular job now, j 22D. H as . . . been looking for full-time mm Y es INDUSTRY q ago was . . . laid at th is job? hours did . . . work? Other reason (Specify)................. 3 23A. For whomdid. . . work? 0 0 1 I 24A. When did . . . lo st work for pay a t a regular job or b u siness, either full- or part-tim e? Within pa st 12 months O 1 up to 2 years a g o .. O 2 up to 3 years a g o . . O ^ (Go to 24B) H e a lth ................................................ 21C. Does . . . usually work 35 hours or more a week O Holiday (Legal or religious). . . O 22B. Why did . . . sta rt looking for work? Was it because . . . lost time or at more than-one Could find only part-tim e work O Labor d is p u t e ........................... O Self-em ployed O No O Job terminated during week . . O O salary for any of the time off LAST WEEK? N o .................... Material s h o r ta g e ..................... friends or relatives Placed or answered a d s .................. O 21B. Is . . . getting wages or 20E. Did . . . work any ov e r P lan t or machine repair........... O L eft s c h o o l................... O Wanted temporary work O (Hark the appropriate reason) Slack w o rk.................................. O employer directly . . Nothing (Skip to 24)........................... Other (Specify in notes, e.g., MDTA, union or prof, rlgister, etc.)......... / How mony hours did . . . pvt. employ, agency ” * Indefinite layoff f 22C3) (30 days or more or O J no def. recall date) 25. LINE NUMBER Other (Specify in notes) O What is the reason . . . USUALLY works le s s than 35 hours a week? New |ob to begin (Skip to within 30 days O 22B and take off? What is the reason . . . worked le ss than 35 hours LAST WEEK? No O ® i O 2, 3, 4 , 6 , 7 or 8 (End questions) O l o r 5 (Co to 24A) No O (Co to 24) 22A. What has . . . been doing in the la st 4 weeks to find work? (Mark aU methods used; do not read list.) at all jobs? Working (5k,p to 20A)......... WK 24. INTERVIEWER CHECK ITEM Unit in rotation group: (Mark one circle only) / j 23E. Wasthis person t Anemployeeof PRIVATE Co., i bus., or individual for wages, salary or comm. .. P O ] A FEDERAL government employee..................F O A STATE government employee......................S O A LOCAL government employee..................... L O Self-empl. in OWN bu s., prof, practice, or farm Is the b u siness incorporated / Y e s ........................... I O VNo (or farm)----- SE O Working WITHOUT PAY infam. bus. or farm........ WP O NEVERWORKED...............................NEV O I I 3 3 LABOR FORCE, EM PLOYM ENT, AN D UN EM PLO YM ENT 17 I ? & 5 3 I BLS HANDBO O K OF METHODS 18 18. LINE NUMBER 20. Did . . . do any work a t all LAST WEEK, not counting work around the house? (Note: If farm or baeimete operator ia kk., aak about uapaid work) j 19. What w as . . . doing most of LAST WEEK - No O (Co to 21) Y es O S20A. How many hours did . . . work Going to school 0 0 X I LAST WEEK something e lse? 21. ( I f ) ia 19, ekiptoSlA.) Did . . . have a job or b u sin e ss from which he 22. (If LK ia 19, ,kip to 22A.) aw,a.watwea.yr w as temporarily absent or on layoff LAST WEEK? Y es O No O (Co to 22) / 21A. Why w as . . . absent from work LAST WEEK? Own ill n e s s ----- O On v a c a tio n ----- O Bad w eather----- O Labor disp u te . . O No O (Co to 2t) Y es O ^"wirth* Working TSkip to 20A)......... WK O O Looking for w o rk ..................LK Keeping h o u s e ......................... H O O Going to sc h o o l....................... S O Unable to work (Skip to 24). U O R e tire d .......................................R Other (Specify)...................... OT O O \ 20C. D oes . . . USUALLY work 35 hours or more a week at th is job? Y es O 20B. INTERVIEWER CHECK ITEM « "pl°y- agency O 5 5 G G (Skip m 4 9 + O ' ■ 23) S S ? Y es O (Go to 20C) 9 USUALLY works le ss than 35 hours a week? P lan t or mochine repair........... O New job started during week . O Job term inated during week . . O O L eft sc h o o l................... O take off?, Wanted temporary work O Other (Specify ia note,) O job LAST WEEK? Y es O O Labor d is p u t e ........................... O Bad w e a th e r .............................. How many extra q j j looking for work? g g 3 3 Y e s ................... 0 2) How many weeks N o ..................... O ago did . . . sta rt looking for work? Self-em ployed O (Skip to 23 aad eater fob held latl week) Did not wont full-time work . . Full-tim e work week under 35 hours O Other reason (Specify)............ O O 1 \ (Skip to 23 and eater job w at last week) C O D O E O F O 3 3 * °r 5 5 6 6 ? ? 8 9 8 9 Ref. O ? 8 9 G O H O J O K O L O M O OCCUPATION 0 0 1 I N O £ £ 3 3 Q O R O * °e 5 5 5 G G G T O 0 I £ 3 P O U O 0 ? ? V 8 9 W O X 0 Y O J J * 9 9 0 Part O e f Already ha s a job......... O I Temporary i l l n e s s ___ O O ther.................................................... O O Wife of h e a d . O O 1 ; O j Other relative of h e a d ............ O Non-rel. of head with own rels. (iacL wife) in h’h ld .. O Nonrelative of head with no own relatives in h’hld. O 27. AGE }(Skip (p 24E) 28. MARITAL STATUS Married - civilian spouse present O g 24D. What are the reasons . . . is not looking for work? (Mark each reatoa meatioaed) B elieves no work available n line of work or a r e a .. X I £ £ 3 3 XJ. q. 5 • Couldn’t find any w o rk .................... o • L acks nec. schooling. training, sk ills or e x p e r ie n c e .. O • Employers think too young or too o ld ......... O • Other pers. handicap in finding job O • Family r e s p o n s ib ilitie s ............... O e In school or other tr a i n in g ......... O 5 29. RACE ■ ■ • Can’t arrange child c a r e ............... O Married Armed Forces spouse present O M arriedspouse absent — (iaclude teparated) O ? ? 8 8 9 9 White O Negro O • III health, physical d i s a b ili ty _ O 1970 or later (Write mouth emd yen) ■. O • O ther (Specify ia a ote,)................. O Other O • Don’t know........................................ O Z O 24E. D oes . . . intend to look for work iMouth oad year) of any kind in the next 12 months? Before 1970 ........................................... O Nev. worked full-time 2 wks. or more O Never worked a t a l l .............................. O (Skip to 23 aad eater last full-time civiliaa fob lottiog 2 week, or more, fob from which laid off, or "Never Worked” ) _____________ ^ Y e s ......................................... O It depends (Specify ia aote,) O No . Don’t know............................. (If eatry ia 24B, describe job ia 23) j 23E. Wasthis person Anemployeeof PRIVATECo., bus., or individual for wages, salary or cAwn. .. P O i A FEDERAL government employee....................F O i A STATEgovernment employee....................... S O j A LOCAL government employee....................... L O 1 1 : electrical eagiaeer, ttock clerk, typist, farmer.) | j , Slack work or b u siness conditions O Temporary nonseesonal job com pleted. . . O U nsatisfactory work arrangements (Hour,, pay, etc.) O H ead with other relatives (iucL wife) in h’hld............ Head with no other relatives in h’hld. . 0 full-time job or busin e ss lasting 2 consecutive weeks or more? 23B. What kind of b u sin e ss or inAlStry is th is? (For exampie: TV aad radio mfg., retail ,koe note. Stale Labor Depu, fan . . ’s m ost important a c tiv itie s o r d u ties? (For example: typo,, keep, • Retirement or old age . . . Don’t know . . 22F. When did . . . la st work at a 23. DESCRIPTION OF JO B OR BUSINESS . work? (Nome of compoay, batiae,,, orgamiatioa or other employer) 2 3 C What kind of work w as . . . doing? (For as HOUSEHOLD u booh,, file*, tell, ci j | Self-empl. in OWN bu s., prof, p ractice, or farm . . L J / Y e s..................... I O Is th e busin e ss incorporated ^ ^ farm) ^ Q Working WITHOUT PAY infam. bus. or farm..........WP O NEVERWORKED............. NEV O Widowed or divorced . . O Never married . . O 30. SEX AND VETERAN STATUS Male Vietnam Era O Korean W ar.. O World War II O World War 1.. O Other Service O N onveteran.. O F em ale................ S O 8 9 Bef. O 26. RELATIONSHIP TO HEAD 0 F Seasonal job com pleted.. N o.................. Going to sc h o o l............ O Other (Specify ia aote,) O A O B O (Skip to 24C) 24B. Why did . . . leave that job? Personal, family (lacl. pregamcy) or school. ■. 5 3 not take a job LAST WEEK? \ 0 0 I I c £ | .. . O / Y e s ........................... Maybe • it depends (Specify ia aote,) 22E. Is there any reason why . . . could O FFIC E USE ONLY INDUSTRY Never worked \ (Go to 24B) O O \ or part-tim e work? Full O Y es O On v a c a tio n ................................ O Too busy with housework, school, personal b us., e tc . O 1 3 up to 4 years a g o .. O 4 up to 5 years a g o . . jo .. 5 or more years ago. _ _ G o off? O Own i ll n e s s ................................ O for pay at a either full- or 24C. D oes . . . want a regular ji either full- or part-time? q 22D. H as . . . been looking for full-time _ 24A. When did . . . la s t work regular job or b u siness, part-tim e? Within pa st 12 months O 1 up to 2 years ago.-. O 2 up to 3 years a g o .. O * <F 3) How many w eeks ago wos . . . laid 21C. D oes . . . usually w 35 hours or more a < at th is job? No O (Correct 20A aad 20B aa aeceeeary if extra komre aot already iacladed aad 22C. 1) How many weeks has . . . been time off LAST WEEK? Y es O Could find only part-tim e work O Holiday (Legal or religioaa). . . O Quit jo b ......................... 20E. Did . . . work any over O friends or relatives did . . . 21B. Is . . . getting w ages or salary for any of the 25. LINE NUMBER Placed or answered a d s ................... O / How many hours (Mari tko appropriate reatoa) Materiol s h o r ta g e ..................... O 9 (Correct 20A if loet time aol already deducted; if 20A reduced below 35, correct 20B oad fill 20C; otkerwiee, skip to 23.) What is the reason . . . O O employer directly . . 35-48 O (Coto20D) What is the reason . . . Slack w o rk .................................. pvt. employ, agency Nothing (Skip to 24)........................... O New job to begin (Skip to Other (Specify ia aole,, e.g., MDTA, within X days O 228 aad union or prof. regi,ter, etc.)......... O t . xx 22C2) Temporary layoff Wader 30 day,) O ^ ^ 22B. Why did . . . sta rt looking for 20D. Did . . . lose any time oi take any time off LAST Indefinite loyoff f 22C3) work? Was it because . . . lost (30 day, or more or O J WEEK for any reason or quit a job a t that time (pause) ao def. recall dote) such a s illn ess, holiday or w as there some other reason? Other (Specify).. O or slack work? L ost job......................... O 1-34 O worked le s s than 35 hours LAST WEEK? No O ? ® i O 2, 3, 4 , 6 , 7 or 8 (Bad factious) O 1 o r 5 (Go to 24A) 22A. What ha s . . . been doing in the la st 4 w eeks to find work? (Mark gU method, uted; do aot read lieu) at all jobs? With a job but not a t w ork. . J 24. INTERVIEWER CHECK ITEM U nit in rotation group: (Mark oue circle ouly) H as . . . been looking for work O 31. HIGHEST 32. GRADE 33. COM ORIGIN GRADE AT PLETED TENDED E H C I I I £ £ 8 3 3 3 0 °r l l' ? 8 None 0 0 I I £ £ 3 3 LA BO R FO RCE, E M PL O Y M EN T, A N D U N E M P L O Y M E N T 19 I 9 ? G 3 8 I I 0 9 • G 5 3 I B L S H A N D B O O K O F M E TH O D S 20. Did . . . do any work a t oil LAST WEEK, not counting work around the house? (Note: If farm or basinets operator in hk., ask about unpaid work) j No O (Go to 21) Y es O 20A. How many hours 0 0 1 I LAST WEEK at all jobs? 208. INTERVIEWER CHECK ITEM H as . . . been looking for work b u sin e ss from which he during the p a st 4 weeks? 35-48 O (Go to 200) --------------- f------20D. Did . . . lose any time or take any time off LAST WEEK for any reason such a s illn ess, holiday No O (Go to 22) Y es O /21A. Why was . . . absent from work LAST WEEK? Own ill n e s s ----- O On v a c a tio n ----- O Bad w eather___ O 22A. What has . . . been doing in the la st 4 weeks to find work? (Mark all methods used; do not read list.) Checked pub. employ, agency O ® O employer directly . . O 4 up to 5 years o g o .. O J O 5 or more years o g o .. O \ Never w orked.............. ^ W friends or relatives New job to begin (Skip to within 30 days O 22B and Temporary layoff (Under 30 days) O 24A. When did . . . la s t work for pay a t a regular job or business, either full- or part-tim e? Within p a st 12 months O 1 up to 2 years a g o .. O 2 up to 3 years a g o . . O ^ (Go to 24B) pvt. employ, agency Placed or answered a d s .................. O Nothing (Skip to 24)........................... Other (Specify in notes, e.g., MDTA, union or prof, register, etc.)......... O O 24B. Why did . . . leave that job? Personal, family (Incl. pregnancy) or school......... or quit a job at that time (pause) L ost jo b ......................... O Quit jo b ......................... O 20E. Did . . . work any ov e r time or at more than o n e q q looking for work? g g ago did . . . sta rt looking for work? Self-em ployed O 21C. D oes . . . usually work 35 hours or more a week at th is job? hours did . . . work? Y es O No O _ I 1 3 3 <1 - °r 6 3 G ? ? 5 ? 8 8 8 9 9 9 Ref. O 9 9 in line of work or a re a ................ Port O ( Already h a s a job......... O I Temporary i l l n e s s ___ O | Going to sc h o o l............ O Other (Specify in notes) O No O A O B o 0 0 0 N O I C o D o E o F o 8 8 8 P O Q O 1970 or later (Write stontk and year) . • C G o H o J o K o L o M o I 3 3 3 *r cr * 5 3 5 G 6 G U O ? V o 8 8 9 W O X o Y O Ref. O z o ? 9 2 5 eb 3 8 • C ouldn't find ony w o rk ..................... O • L ocks nec. schooling. training, sk ills or e x p e r ie n c e .. O • Employers think too young o* too o ld ......... O • Other pers. handicap in finding job O • Can’t orrange child c o re .............. O • Family r e s p o n s ib ilitie s .............. O I 0 9 • ? 6 5 + 3 8 ■ e In school o r ^ h e r tr a i n in g ......... O 22F. When did . . . la st work at a full-time job or b u siness lasting I O or part-time work? not take a job LAST WEEK? OCCUPATION , 24D. What are the reasons . . . is not looking for work? (Mark sack reason mentioned) 22E. Is there any reason why . . . could O FFIC E USE ONLY 8 2 ? ° off? O \ ? G I Don’t know .............. O I * * - * * 22D. H as . . . been looking h \ I 3 ago was . . . laid Y es O 0 0 No.............................. 9 8 ■ Y e s........................... O ’j Moybe - it depends > (Go to 240) (Specify in notes) O ) ^ ^ . r G fc> 3) How many weeks Full o (Correct 20A and 20B at jtecessary if extra hours not already included and skip to 23.) O O ther.................................................... 24C. D oes . . . want a regular job now. 3 3 0 c 2) How many w eeks How many extra INDUSTRY O either full- or part-time? O O job LAST WEEK? Yes O 1) How many w eeks time off LAST WEEK? N o.................... O Seasonal job com pleted.................. Slack work or busin e ss conditions O Temporary non seasonal job c om pleted. . . O U nsatisfactory work arrangements (Hours, pay, etc.) O Other (Specify in notes) O 21B. Is . . . getting w ages or salary for any of the Y e s .................. O Retirement or old a g e ..................... or was there some other reason? Left s c h o o l.................. O Wanted temporary work O No O *» 24C) O H e a lth ................................................ take off? I 3 up to 4 years a g o .. 22B. Why did . . . sta rt looking for work? Was it because . . . lost Indefinite layoff (30 days or more or O no def. recall date) How many hours did . . . (Correct 20A if lost time not already deducted; if 20A reduced below 35, correct MB and fill 20C; otherwise, skip to 23.) i O 2, 3, 4 , 6 , 7 or 8 (End questions) O 1 or 5 (Go to 24A) Other (Specify). . O or slack work? 24. INTERVIEWER CHECK ITEM Unit in rotation group: (Mark one circle only) / was temporarily absent or on layoff LAST WEEK? Labor dispute . . 1-34 O (Go to 20C) Y es O 22. (If LK in 19, skip to 22A.) Did . . . have a job or 5 5 G G (Skip to item 23) + n 49 ° 21. (If l in 19, skip to 21A.) • III health, physical d is a b ili ty _ O consecutive weeks or more? R O s o T O • Other (Specify in notes)................. O • Don’t know....................................... (Month and year) Before 1970 ........................................... O Nev. worked full-time 2 wks. or mare O Never worked at o i l .............................. O (Skip to 23 and enter last full-time civilian fob lasting 2 weeks or more, fob from which laid off, or “Never Worked")_____________ O 24E. D oes . . . intend to look for work of any kind in the next 12 months? m Y e s .......................................... O ® It depends (Specify in notes) N o ........................................... Don’t know....................... O O (If entry in 24B, describe job in 23. DESCRIPTION OF JOB OR BUSINESS 23A. For whomdid . . . work? (Nam eofcom pany,business,organisationorotherem ployer) 23B. What kind of b u sin ess or industry is th is? (For example: TV and radio mfg., retail shoe store. State Labor Dept., fan . doing? (For example: electrical engineer, slock clerk, typist, farmer.) 23D. What were . . .’s most important activities or duties? operatesprintingpress,finiskesconcrete.) (Forexam ple:types,keepsaccountbooks,files,sellscars, [ 23E. Wasthis person i Anemployeeof PRIVATECo., i bus., or individual for wages, salary o . .. P O A FEDERAL government employee................... F O ASTATEgovernment employee.......................S O A LOCAL government employee...................... L O Self-empl. in OWN b us., prof, practice, or farm • , , / Y e s ........................... I O Is the bu s,n e ss mcorporated ^ ^ /am> SE Q Working WITHOUT PAY infom. bus. or form.........WP O NEVERWORKED................................NEV O I L A B O R FO R C E , E M P L O Y M E N T , A N D U N E M P L O Y M E N T 22 B L S H A N D B O O K O F M ETH O D S 18. LINE NUMBER 21. ( I f f in 19, skip to 21A.) 20. Did . . . do any work a t all LAST WEEK, not counting Did . . . have a job or work around the house? (Note: If farm or business operator in kk., ask about unpaid work) j 19. What was . . . doing most of LAST WEEK - Y es O * --------------------------did . . . work f r LASTWEEK 3 3 J 5 5 G at all jobs? Own ill n e s s ___ so+ o Going to sc h o o l....................... S Unable to work (Skip to 24). U 6 m23) u take any time off LAST WEEK for any reason such a s illn ess, holiday or slack work? (Under 30 days) O | No Q New job started during week . O Job terminated during week . . O 20E. Did . . . work any o v e r time or ot more th an en e job LAST WEEK? Y es O 21B. Is . . . getting wages or salary for any of the O Labor d is p u t e ........................... O Bad w e o th e r.............................. O Own ill n e s s ................................ O On v a c a tio n ............................... O (Correct 20A and 20B a, necessary if extra hours not already included and skip to 23.) O Other reoson (Specify)............ O O O O O 1 0 0 0 N o B O I a 1 I a a P o Q o R o S o T o 5 5 G G \ ? 9 (Skip to 23 and enter job worked at last week) OCCUPATION Ref. ? S 9 G O ? 8 o H O J O K O L O M O 3 3 3 °r °r °t 3 5 5 G G G ? ? 8 8 9 Ref. U o V o 9 w o X o O Y o o z Part O O No O e ( Already h as a job.......... O I Temporary i l l n e s s ___ O | Going to s c h o o l............ O { Other (Specify in notes) O 22F. When did . . . la st work at a full-time job or b u siness lasting 2 consecutive w eeks or more? 1970 or later (Write * id yen) . ■ (Month and year) Before 1970 ........................................... O Nev. worked full-time 2 wks. or more O Never worked ot o il.............................. > (Go to 24D) O J Don’t know .............. O , • Couldn’t find any w o rk .................... • L ocks nec. schooling. training, sk ills or experien c e . . • Employers think too young oc too o ld ......... 23B. Whot kind of b u sin e ss or industry is this? (For example: TV and radio mfg., retail shoe store. State Labor Dept., farm.) 23C. Whot kind of work w as . . . doing? (For example: electrical engineer, stock clerk, typist, farmer.) 23D. Whot were . . .'s most important activities or duties? operatesprintingpress,finishesconcrete.) (Forexam ple: O N onrelative of head with no own relatives in h’hld. O 28. MARITAL STATUS O O e In school or other tr a in in g ............. O e III heolth. physicol d is a b ili ty ___ O • Other (Specify in notes)..................... O • Don’t know........................................... O 24E. D oes . . . intend to look for work of any kind in the next 12 months? O (Specify in notes) O Don’t know............................. ? C ? Widowed or divorced . . o Never married . . o 8 8 9 9 29. RACE ® O 30. SEX AND VETERAN STATUS Male Vietnam Era o Korean W ar.. o o World War II World War 1.. o Other Other Service o N onveteran.. o White O Negro O Fem ale................ TENDED E H C Yes O Self-empl. in OWN b us., prof, practice, or farm ... I O (or farm)....SE O WorkingWITHOUT PAY infam. bus. or farm........ WP O NEVERWORKED...............................NEV O o 31. HIGHEST 32. GRADE 33. COM ORIGIN GRADE AT PLETED (If entry in 24B, describe job in 23) |23E. Was thisperson i Anemployeeof PRIVATE Co., i bus., or individual for wages, salary or comm. .. P O j A FEDERAL government employee..................F O ASTATEgovernment employee..................... S O A LOCAL government employee.....................L O O Married Armed Forces spouse present o Married spouse a bsent (include separated) o 5 5 G G O • Family re s p o n s ib ilitie s .................. Y e s ......................................... I I £■ a 3 3 O • Can’t arrange child c a re .................. Is the b u siness incorporated types, keeps account books, files, sells cars. O Married - civilian o • Other p ers. handicap in finding job O O (Skip to 23 and enter last full-time civilian job lasting 2 weeks or more, job from wkick laid off, or " Never Worked")_____________ (Nam eofcom pany,business,organizationorotherem ployer) Other relative of h e a d ............ Non-rel. of head with own rels. (incL wife) in h’h ld .. 27. AGE 24D. What are the reasons . . . is not lookin for work? (Mark each reason mentioned) • B elieves no work available in line of work or a re a ................ O 23. DESCRIPTION OF JOB OR BUSINESS 23A. For whomdid. . . work? O 0 not take a job LAST WEEK? Y es O Maybe - it depends (Specify in notes) O g 5 5 G G, 22E. Is there any reason why . . . could \ A O D O E O F O 2) How many w eeks or part-tim e work? (Skip to 23 and enter job held last week) C O 3 3 G- 3 3 3 3 c_ 0 Full O O ther.................................................... Head with other relatives (incl. wife) in h'h ld............ Head with no other relatives in h’hld. . Wife of h e a d . either full- or part-tim e? 22D. H as . . ■ been looking for full-time I I C C O 2 4 C Does . . . want a regular job now, ago was . . . laid off? mam 0 0 O Seasonal job com pleted.................. Slock work or busin e ss conditions O Temporary non seasonal job completed . . . O U nsatisfactory work arrangements (Hours, pay, etc.) O j looking for work? at th is job? (Skip to 23) ° j 3) How many weeks 21C. D oes . . . usually work 35 hours or more a week O FFIC E USE ONLY INDUSTRY 0 0 ogo did . . . start looking for work? No O Too busy with housework, school, personal bus., e tc . ° Did not w ant fu lltim e work . . Full-time work week under 35 hours L ost job........................... Quit jo b ........................... 1) How many w eeks has . . . been Self -employed O Yes O No O Could find only part-tim e work O Holiday (Legal or religious). .. How many extra 22C time off LAST WEEK? hours did . . . work? Retirement or old o g e ..................... s O O O Y e s.................. N o .................... HOUSEHOLD O or was there some other reason? L eft s c h o o l.................... O Wanted temporary work O --------2 26. RELATIONSHIP TO HEAD GF I l Material s h o r ta g e ..................... P lan t or machine repair........... 24B. Why did . . . leave that job? Personal, family (IncL pregnancy) or sc h o o l.. . Other (Specify in notes) O (Correct 20A if lost time not already deducted; if 20A reduced below 35, correct 20B and fill 20C; otherwise, skip to 23.) „ O i O O J O or quit a job at that time (papse) How many hours (Hark the appropriate reason) Slock w ork.................................. O 4 up to 5 years a g o . . 5 or more years a g o .. O \ N e v e rw o r k ^ ... . C H e o lth ................................................ did . . . worked le ss than 35 hours LAST WEEK? USUALLY works le ss than 35 hours a week? Other (Specify). . 3 up to 4 y e trs a g o .. O 22B. Why did . . . sta rt looking for m work? Was it because . . . lost Indefinite layoff (30 days or more or O no def. recall date) 'j I > (Go to 24B) employer directly . . Nothing (Skip to 24)........................... Other (Specify in notes, e.g., MDTA, union or prof, register, etc.)......... take off? Whot is the reason . . . Whot is the reason . . . 22C2) t Temporary .layoff 25. LINE NUMBER for pay at a either full- or O Ploced or answered a d s .................. O 24A. When did . . . la st work regular job or business, part-time? Within post 12 months G T up to 2 years a g o .. C 2 up to 3 years ogo. . O pvt. employ, agency friends or relatives New job to begin (Skip to within 30 days O 22B « u --------------- > Y es O O Labor d ispute . . 20D. Did . . . lose any time or 20C. D oes . . . USUALLY work 35 hours or more a week at th is job? 22k. What h as . . . been doing in the last 4 weeks to find work? (Mark qU methods used; do not read list.) ® fSU, 35-48 O (Got, 20D) \ No O Bad w eather___ 1-34 O (Go to 20C) R e tired .......................................R Other (Specify)...................... OT O 1 O 2, 3, 4 , 6 , 7 or 8 (End questions) C . I or 5 (Go to 24A) No O (Go to 24) O On v a c a tio n ___ 20B. INTERVIEWER CHECK ITEM Looking for w o rk ..................LK Keeping h o u s e ......................... H Yes O -> Working (Skip to 20A) .. With a job but not ot work . . J Y es O No O (Go to 22) /21A. Why w as . . . absent from work LAST WEEK? q q / during the past 4 weeks? was temporarily absent or on layoff LAST WEEK? No O (Go to 21) Y es O 20A. How many hours 24. INTERVIEWER CHECK ITEM Unit in rotation group: (Mark one circle only) 22. (If LK in 19, skip to 22AJ Has ■ . . been looking for work b u sin ess from which he > 3 3 - °r°r £ 2 3 3 23 LA BO R FO R C E, E M PL O Y M E N T , A N D U N E M P L O Y M E N T I ? 6 5 3 I • 0 9 ? & 3 3 I Chapter 2. Projections of the Labor Force B a ckg ro u n d and U ses T h e la b o r P r o je c t io n s n e e d e d a fo r g r o w th fu tu r e e c o n o m y s e ttin g h e lp a n d n u m b e rs tr y , a n d a n d p e r s o n n e l tio n s , to e s tim a te p la n s , p a r tm e n t g a in fo r la b o r fo r c e b e tw e e n th e b a s is fo r c h a r a c te r is t ic s la b o r e x p e c t e d a n d f o r in d u s fo r c e a r e d e v e lo p p r o g r a m s . p a r tic u la r ly s k ills o n e D e c o n c e r n e d w ith th e a n d th e b y o u r c r e a t e d te c h n o lo g y . In s e p a r a te o f th e a g e - s e x la b o r to a s e r ie s p a tio n g r o u p s d a te s u s u a lly f o r a b o u t p r e p a r in g p a r t, to th e th e o f w o r k in g a n d 1 9 9 0 r o u n d a g e . w e r e o f L a b o r fo r c e s o c ia l t io n s . b a s ic e c o n o m le v e ls w o u ld y o f a s s u m p t io n is s ig n ific a n t m ig h t o f tr e n d to w a r d fo r c e p o r te d o f to th e o f y o u n g s tu d e n ts . http://fraser.stlouisfed.org/ 24 Federal Reserve Bank of St. Louis th e ju d g e d a n d a n o th e a n d b a s is a r e a n d S in c e th e p r e p a r e d a n a ly z in g e d th e r a te s p o p u la t io n , s e v e r a l s e r ie s y e a r s a h e a d , o f th e p r o je c t in g le v e l s in c e o f th e o v e r ) a t th a t fu tu r e d a te b e a r in g o n r a te s m o th e r s o n e a r e o f m a d e . o f lis h e d p a t s e r ie s in Reports, to 4 9 “ D ” a n d F . ” d e g r e e d iffe r e n t s u p to o f th e s e la b o r th e w h ic h a ls o v a r y . b e h a v io r a ffe c t th e r a te s . n o t d i w o m y e a r s b o r n w h e n e n , to w h ic h 15 (1 6 b ir t h lik e ly r a te s d o p a r tic i b e c a u s e w o r k . to B e s e le c t th e s e e m e d m o s t o n th e o f p r o je c p r o je c t io n s p u b Current Population c h o s e n la b o r a s th e th e b a s e b a s is fo r c e is o f th e b u ilt c o m p o s itio n s e r ie s . o f w o m e n u p 16 s e r ie s b y a g e is n e e d e d fo r e a r lie r , b u t a ls o b e c a u s e th e a n d S o m e o f b ir t h la b o r fo r c e p a r tic ip a tio n g r o u p s , p r e o n d o e s to ta l la b o r fo r c e n o te d fo r c e a g e - s e x r a te s e x p la in r a te s o f th e p r o a g e th e p o p u la t io n m a d e b e c a u s e m a n y o f th e p u r p o s e s th e a id w e r e s iz e s e x , n o t o n ly th e la b o r “ o f th e in r e c e n t la b o r fo r c e w a s 4 9 3 tr e n d s . in d e p e n d e n t e v a lu a tio n F o r th e o n d e a th C e n s u s n e c e s s a ry p r o je c t io n s o f a n N o . e s tim a te s o v e r a ll it w a s B u r e a u ’ s o f a g e b e y o n d o n P -2 5 , le s s th e p r o je c t io n s w o r k in g C e n s u s y e a r s T h e a n d E ” th e A lte r n a t e a r e in d ir e c t e ffe c t , b a s is r a te s m a r r ie d c h ild r e n s e r ie s o f p o p u la t io n th e s e h a s a lr e a d y b e e n y o u n g e r y o u n g r a te s , th e fo r c e o f th e a p p r o je c t in g r e s p e c t to H o w e v e r , p r o je c t io n s a s fa c to r s p r o je c t io n s b ir t h o f o f u n c e r ta in ty o f la b o r e v e r y o n e c o v e r e d o f th e C e n s u s b ir t h p o p u la t io n p r o je c t io n s th a t a n d o f m o s t p a r tic i 1 9 4 7 , a n d p e r io d s . in in B u r e a u th e tio n s , F o r c e s o r its o r c u r v e o d ifie d , p r o je c t in g th e a n d a tr e n d s th e o f c o n tin u e , s ta ff, a ffe c t th e o r g r o u p e ffe c t s h o r t a s s u m p t io n s w it h u n c e r ta in ty r e c t ly p a r u s u a l e a c h p e r io d m u s e d a n d p o s e “ w o r k b e a r in g p a s t r a te s . w a r to in s in c e th e is th e B u r e a u n e t im m ig r a tio n b ir t h in to o n ly b y b ir t h a n fo r c e a n d la b o r fo r c e y e a r s te m p o r a r y fo r in th e o f t h a t is la b o r d a te , a g e - s e x th e th e p r o je c t io n s p a s t tr e n d s w ith m a jo r th e p r o je c h ig h fo r c u r v e th e th a t th e is t o f i t a l i n e p r o c e d u r e o p e r a tiv e o f r a te s , o r T h e d is c o u n t b e la b o r fo r c e th e lin e o n o n s u b g r o u p p o p u la t io n a g iv e n r e p r e s e n tin g th a t g r o u p th e to fo r r e a s o n a b le A n o th e r A r m w o u ld s u p B u r e a u ’ s p r o p o r tio n fu tu r e p r o c e d u r e a b o u t m a in ta in e n r o llm e n t fa c ilitie s , n e w fo r c e p r e v io u s d ir e c t 1 9 8 5 , a th e m a d e p r e s u p p o s e s p e r s o n s , s c h o o l s ta n d a rd fo r c a u s e o f th is c o n s is te n t b e th e a ls o h a s e x p e c t e d p o p u la t io n p a tio n fo r c e fu tu r e , o f a lte r It th e o f p o in ts to T h e 1 9 8 0 , m a d e la b o r p e r c e n t. s iz e s c h o o l w h ic h a d e q u a te b e e n w o u ld th e in c r e a s e d le v e l, h a v e 4 to p r o je c t io n . h a v e o n o r i.e ., r a te s e x tr a p o la te p o p u la t io n a ffe c t la b o r e x p a n d in 1 9 7 5 . t o b e in th e o w in g , o r k o f in to a b o u t th e r e in n e e d tr e n d s to fo r W la te o p p o r tu n ity p o p u la t io n . a c t iv it y b y r a te th a t o f th e fa c to r s s e t p a s t s u b s ta n t ia lly th e s c h o o l a n y c o n tin u e c h a n g e te r n s h ig h th a t e m p lo y m e n t u n e m p lo y m e n t w h ic h e c o n o m ic c o n tin u e w o u ld in o f s c h e d u le f o r ir r e g u la r 1 9 7 3 . b e g u n p r o je c t io n s a s s u m p t io n s tic ip a tio n J u ly a s s u m p t io n s s u r r o u n d in g G e n e r a lly , a h e a d . T h e b e e n a n d q u in q u e n n ia l p r o je c t io n s in w a s a n d o f la b o r , c e r ta in c o n d it io n s h a s fo r p r o je c t io n s p u b lis h e d p r o je c t io n s B e c a u s e p ly o f n e w w h o le m a d e 15 y e a r s p r o je c t io n s tim in g a r e a fo r c e , s p e c ifie d b a s is o f v a r y in g a s la b o r th e th e g r o u p th e p r o je c t io n s r a te s p a r e s fo r c e a g e - s e x th e p r e p a r in g p r o je c t a t m a k in g T h e P r o je c t io n s in in to r a te s u b g r o u p , th e je c t in g M eth od e a c h is g r o u p . p r o p r ia t e , to b e th e s e u s e d U .S . tr a in in g a p p ly b y m a r k e tin g s u p p ly to in p a r tic ip a tio n p r o je c T h e la b o r e x p e c te d u s e d p r o je c t io n s th e p o p u la t io n g r o w th e d u c a t io n , tr a in in g , p r o d u c ts , th e h ig h r e s o u r c e s . p r o je c t io n s , e x p a n s io n is p r o v id e m a in ta in th e a d d itio n , p o p u la t io n f o r to a v a ila b le fo r a re e m p lo y m e n t o f h u m a n in t o im p lie s w ith o f a s w ill b e In v a r io u s c h a n g in g in s ig h t w h o p o lic ie s . L a b o r r e la tio n s h ip n e e d to e v a lu a te o f s e r v e fu ll u tiliz a tio n d e m a n d a n d g e n e r a te w h a t th is to g e th e r th e fo r a g e n e r a l e c o n o m ic o f w o r k e r s s e e o f a m o u n t T h e y g o a ls c o n s is te n t w ith P r o je c t io n s th e m u s t o f e m p lo y m e n t. in s iz e o f p la n n in g p u r p o s e s . T h e y e s ta b lis h in g th e a p p r o a c h r a te th e fo r a v a r ie t y b a s is le v e ls o f g e n e r a l a p p r o a c h fo r c e th e v a r ie s o f th e fa c to r s th e p a r tic u la r t e n d a n c e , m a r it a l s ta tu s , b ir t h a m o n g h is to r ic a l la b o r g r o u p s fo r c e w h ic h h e lp in t o p a r tic ip a tio n in c lu d e r a te s , a n d th e tr e n d s s c h o o l a t th e a v a ila b ility 25 PROJECTIONS OF THE LABOR FORCE o f social security b en efits, and the expansion o f private pension plans. The m ethod o f projecting the labor force participation rates for the various age-sex groups takes into account the influence o f the more important o f th ese sp ecific dem ographic and social factors. For ex am ple, the population o f married w om en in ages 20 to 49, is grouped by th ose w ho are exp ected to have chil dren o f p reschool age and th ose w ith no children under 5, on the basis o f projected trends in fertility and child spacing. For each o f the dem ographic subgroups, the pro jected labor force participation rates are applied to their respective future populations and the resulting labor force sum m ed to provide the total labor force for each age-sex group and for all ages. S o u r c e s o f D a ta The source o f the basic historical data on labor force participation rates by age and sex used to project the labor force is the m onthly statistics on the labor force. T hese data are published by the Bureau o f Labor Statis tics and are based on the Current Population Survey o f the Bureau o f the C ensus. H istorical data on labor force activity by various categories within several o f the agesex groups are obtained from the recurring supplem en tary labor force surveys also based on the Current Population Survey. T hese include information from the O ctober su rveys o f the em ploym ent o f sch ool-age youth and the March surveys o f the marital and fam ily characteristics o f workers. The population projections are the latest available projections made by the Bureau o f the Census and published in their C u r r e n t P o p u l a t i o n R e p o r t s , Series P-25. Data used in projecting the proportion o f w om en in each age group w ho will have children under age 5 years include published and unpublished data on birth rates, by age o f m other and order o f birth, from the D ivision o f Vital Statistics o f the Public H ealth Service; fertility and marriage data from reports o f the Bureau o f the C ensus, C u r r e n t P o p u l a t i o n R e p o r t s , Series P-20, and data from the decennial cen su ses o f population. T e c h n ic a l R e f e r e n c e s Number 1. Nu m b e r J o h n s to n , D e n is F. “ T h e U .S . Monthly Labor Review, 1 9 9 0 ,” as S p e c ia l L a b o r F o r c e L a b o r F orce: P r o je c t io n s to J u ly 1 9 7 3 , p p . 3 - 1 3 , r e p r in t e d R ep o rt N o . 156. 4. 1 9 8 5 ,” Monthly Labor Review, p r in te d a s S p e c ia l L a b o r F o r c e . __________________ “ E d u c a t i o n o f W o rk ers: Monthly Labor Review, P r o je c t io n s to 1973, pp. pp. 3 -1 2 , re 119. 1 9 7 0 -8 0 C Monthly Labor Review, F eb ru ary 1965, 1 9 9 0 ,” pp. N o vem b er 1970, C o o p e r , S o p h ia , a n d D e n is F . J o h n s to n , “ L a b o r F o r c e P r o je c tio n s f o r 2 M a y R ep o rt N o . 2 2 -3 1 , 1 2 9 - 1 4 0 , r e p r in te d as S p e c ia l L a b o r F o r c e R ep o rt N o . re 49. p r in te d 3. T r a v is , a s S p e c ia l L a b o r F o r c e S o p h ia C ., “ T h e U .S . R ep o rt N o . L a b o r F orce: 160. P r o je c t io n s 5. to Population and Labor Force Projections for the U.S., 1960 to 1975 ( B L S B u l l e t i n 1 2 4 2 , 1 9 5 9 ) . Employment Structure and Trends C h a p te r 3 . E m p lo y m e n t, H o u rs , a n d E a r n in g s B ackground The first m onthly studies o f em ploym ent and payrolls by the Bureau o f Labor Statistics (B L S) began in O c tober 1915 and covered four manufacturing industries. Before that year, the principal sou rces o f em ploym ent data in the U nited States w ere the cen su s surveys — the decennial C ensus o f Population, and beginning in 1899, the quinquennial C ensus o f M anufactures. N o regular em ploym ent data had been com piled b etw een the C en sus dates. B y N ovem b er 1916, the B L S program had been e x panded to cover 13 manufacturing industries, and this number rem ained unchanged until 1922. The d epres sion o f 1921 directed attention to the im portance o f current em ploym ent statistics, and in 1922 C ongress granted additional funds to provide for program expan sion. B y June 1923, the num ber o f manufacturing indus tries covered by the m onthly em ploym ent survey had in creased to 52. In 1928, co n cern o v er increasing unem ploym ent induced C ongress to provide additional appropriations for the program. In the next 4 years, 38 m anufacturing and 15 nonm anufacturing industries were added to the list o f industries for w hich the Bureau published m onthly inform ation on em ploym ent and payrolls. The on set o f the Great D epression in 1930 and the deepening econom ic crisis im pelled President H oover to appoint an A dvisory C om m ittee on E m ploym ent Statistics to study the need for expanded data in this field. The C om m ittee made its report in the spring o f 1931 w ith a number o f recom m endations for exten sion o f the program. The m ost important o f th ese called for the develop m en t o f series on hours and earnings. For the fiscal year 1932, C ongress granted the Bureau a substantial increase in the appropriation o f the pro gram. In January 1933, average hourly earnings and av erage w eek ly hours for the first tim e w ere published for all manufacturing, for 90 manufacturing industries, and for 14 nonm anufacturing categories. D u rin g th e G rea t D e p r e s s io n w h e n m a ss u n em ploym ent threatened to b ecom e a continuing aspect o f A m erican life, there w as much con troversy am ong various authorities concerning the actual number o f the unem p loyed. T h ese d iscu ssion s pointed up the fact that no relia b le m e a su res o f e ith er u n e m p lo y m en t or em ploym ent ex isted . In the early years o f the R o o sev elt adm inistration, the Secretary o f Labor frequently refer red to the value o f the B ureau’s em ploym ent estim ates as an indirect m easure o f unem ploym ent. This interest stim ulated efforts to d evelop com preh en sive estim ates o f total wage-and-salary em ploym ent in nonagricultural industries, and in 1936, the Bureau first published such a figure. T h e p rep a ra tio n o f th e s e e s tim a te s o f o v e r a ll em ploym ent totals on a m onthly basis w as contingent on the develop m en t o f benchm ark data. It w as recog n iz e d , e v e n in th e 192 0 ’s , th a t m o n th -to -m o n th e m p lo y m e n t tr e n d s d e r iv e d fro m a sa m p le o f esta b lish m en ts m ight be fairly a ccu ra te for sh ort periods, but over long intervals o f tim e the series w ould not represent the true m ovem ent o f em ploym ent, un less they w ere adjusted periodically to reasonably com plete cou n ts o f em ploym ent, called benchm arks. The first such adjustm ent w as m ade in 1935, w hen the B ureau’s em ploym ent series in manufacturing w ere ad ju sted to totals from the C ensus o f M anufactures for 1923, 1925, 1927, 1929, and 1931. T hese series were subsequently adjusted to the su cce ssiv e biennial C en su ses o f M anufacturers, through that o f 1939. For non manufacturing industries, benchm arks w ere d evelop ed from various sou rces, including the C ensu ses o f B usi n ess taken at intervals from 1929 on. From 1915 to the beginning o f W orld War II, interest in em ploym ent statistics for States and areas w as grow ing constantly. E ven before the Bureau o f Labor Statis tics en tered the field in 1915, th ree S tates (M as sach u setts, N ew Y ork, and N e w Jersey) w ere prepar ing em ploym ent statistics. A s early as 1915, N ew York and W isconsin had entered into “ co-operative” agree m ents w ith the B ureau, w hereby sam ple data collected by the State agency w ere to be used jointly with the Bureau o f Labor Statistics for the preparation o f State and national series. B y 1928, five other States had en tered into such com pacts, and another five w ere added by 1936. O ver the years, the am ount o f published data on em ploym ent and payrolls for States and areas un derw ent a constant expansion. In 1940, estim ates o f total nonagricultural em ploym ent for all 48 States and the D istrict o f C olum bia w ere published for the first time. The on set o f World War II in 1939, follow ed by the entry o f the U nited States after the assault on Pearl Harbor in D ecem b er 1941, placed additional dem ands upon the B ureau’s E m ploym ent Statistics program. The added responsibilities pointed up the need for great er uniform ity among the various programs o f estab lishm ent statistics on em ploym ent and related subjects w hich w ere being prepared by the B L S , the Bureau o f the C ensus, and the agencies adm inistering the em erg EM PLOYM ENT, HOURS, AND EARNINGS ing social security programs. W hile m ost im provem ents had to await the end o f the war, several important advances took place during those years. T he m o st far rea ch in g d e c is io n w a s to u se as em ploym ent benchm arks the data on em ploym ent co l lected primarily for adm inistrative purposes by the new ly organized social insurance programs. Tabula tions o f such materials becam e available about 1940 from the unem ploym ent insurance program and they soon becam e the preferred sources o f benchm ark data. T hey covered several industrial categories not covered by the C ensus o f M anufacturers and B u sin ess, respec tively, and they w ere available annually. After 1939, these w ere taken only at 5-year intervals. A s the unem ploym ent insurance program d evelop ed , the feeling grew that the proper place to estim ate State and area em ploym ent w as in the State agencies rather than in W ashington. B y 1949, all States had join ed the system , and since that year the industry em ploym ent statistics program has been a fully integrated FederalState project w hich provides em ploym ent, hours, and earnings inform ation on a national, State, and area basis in considerable industrial detail. This cooperative pro gram has as its formal base o f authority a C ongressional act o f July 7, 1930 (ch. 8 7 3 ,4 6 S ta t. 1019; 2 9 U .S .C .2 ). In 1975, coop erative arrangem ents w ere in effect within 47 States and the D istrict o f Colum bia and with 3 State labor departm ents. D e s c r ip tio n o f t h e S u r v e y The Bureau o f Labor Statistics coop erates in co llect ing data each m onth on em ploym ent, hours, and earn ings from a sam ple o f establishm ents in all nonagricultural a ctivities including governm ent. In 1975, this sam ple included over 160,000 reporting units. From th ese data a large num ber o f series on em ploym ent, hours, and earnings in considerable industry detail are prepared and published m onthly for the U nited States as a w h o le, for each o f the 50 States and the D istrict o f Colum bia, and for m ost o f the m etropolitan areas. The data include series on total em ploym ent, production or n o n su p erv iso ry w ork er em p lo y m e n t, w o m en em p lo y e d , a v era g e h ourly ea rn in g s, a verage w e ek ly hours, and average w eek ly overtim e hours (in m anufac turing). For many series, season ally adjusted data also are published. Concepts A n establishm ent is defined as an econom ic unit w hich produces good s or serv ices, such as a factory, m ine, or store. It is generally at a single physical loca tion and it is engaged predom inantly in on e type o f econom ic activity. W here a single physical location en com p asses tw o or m ore distinct and separate ac tivities th ese are treated as separate establishm ents, that separate payroll records are available and provided http://fraser.stlouisfed.org/ certain other criteria are m e t.1 In the collection o f data Federal Reserve Bank of St. Louis 27 on em ploym ent, payrolls, and hours, the B LS usually requests separate reports by establishm ent. H ow ever, w hen a com pany has more than one establishm ent en gaged in the sam e activity in a geographic area, these establishm ents may be covered by a com bined report. Industry em ploym ent statistics published by BLS and the cooperating State agencies represent the total number o f persons em ployed either full-tim e or parttim e in n o n a g r ic u ltu r a l e s ta b lis h m e n ts d urin g a specified payroll period. In general, data refer to per sons w ho worked during, or received pay for, any part o f the pay period that includes the 12th o f the month. H ow ever, at the national lev el, data for Federal G ov ernm ent establishm ents generally refer to civilian per sonnel w ho worked on, or received pay for, the last day o f the m onth, plus interm ittent em ployees w ho worked any tim e during the month (e .g ., Christmas temporary em ployees o f the postal service). E m ployed persons include both perm anent and tem porary em p loyees and th ose w ho are working either full- or part-time. W orkers on an establishm ent payroll w ho are on paid sick leave (w hen pay is received di rectly from the em ployer), on paid holiday or paid vaca tion, or w ho work during only a part o f the specified pay period are counted as em ployed. Persons on the payroll o f more than one establishm ent during the pay period are counted in each establishm ent which reports them , w hether the duplication is due to turnover or dual jobholding. P ersons are considered em ployed if they receive pay for any part o f the specified pay period, but are not considered em ployed if they receive no pay at all fo r th e p a y p e r io d . S in c e p r o p r ie to r s , th e self-em ployed, and unpaid fam ily workers do not have the status o f “ paid em p lo y ee s,” they are not included. D om estic workers in h ouseholds are excluded from the data for nonagricultural establishm ents. G overnm ent em ploym ent statistics refer to civilian em ployees only. The figure which includes all persons w ho iheet these specifications is designated “ all em p lo y ee s.” Major categories o f em ploym ent are differentiated from this overall total, primarily to ensure the expeditious co llec tion o f current statistics on hours and earnings; these groups o f em ployees are designated production work ers, construction w orkers, or nonsupervisory w orkers, depending upon the industry. In manufacturing industries, data on em ploym ent, hours, and payrolls are co llected for production w ork ers. This group, in general, covers th ose em ployees, up through the level o f working supervisors, w ho are en gaged directly in the m anufacture o f the product o f the establishm ent. A m ong the exclu sion s from this cate gory are persons in ex ecu tive and managerial positions, and persons engaged in activities such as accounting, sales, advertising, routine office w ork, professional and technical functions, and force account con struction.2 Standard Industrial Classification Manual a n d B u d g e t, E x e c u tiv e O ffic e (O ffic e o f M a n a g e m e n t o f th e P r e s id e n t, 1 9 7 2 ), p . x . 2 F o r c e - a c c o u n t c o n s t r u c t io n is c o n s t r u c t io n w o r k p e r f o r m e d b y a n e s ta b lis h m e n t, p r im a r ily s t r u c t io n , f o r its o w n engaged in som e a ccou n t and u se b y b u s in e s s o t h e r th a n c o n its o w n e m p lo y e e s . 28 BLS HANDBOOK OF METHODS Production workers in mining are defined in a similar manner. A more detailed description o f the classes of e m p lo y e e s in c lu d ed in the p r o d u c tio n and n o n production w orkers categories in m anufacturing is show n on the facsim ile o f the B L S 790 C schedule on p. 37 and 38 o f this bulletin. In con tract co n str u c tio n , th e term co n stru ction workers covers w orkers, up through the level o f work ing supervisors, w ho are engaged directly on the con struction project either at the site or working in shops or yards at job s ordinarily perform ed by m em bers o f con struction trades. E xclu sion s from this category include ex ecu tiv e and managerial personnel, professional and technical em p loyees, and routine office workers. Data on the em ploym ent, hours, and payrolls o f nonsupervisory workers are co llected from establishm ents in the transportation, com m unication, and public utility industries, in retail and w h olesale trade, in finance, insurance, and real estate, and the service industries. N onsup ervisory w orkers include m ost em p loyees e x cept th ose in top execu tive and managerial positions. (S ee facsim ile o f B L S 790 E, the reporting form for w holesale and retail trade, p. 39 and 40.) The series on hours and earnings is based on reports o f gross payroll and corresponding paid hours for pro duction w ork ers.3 To derive th ese series, B L S collects the follow ing data: (See facsim ile o f B L S 790 C on p. 37 and 38.) 1. T he num ber o f full- and part-tim e production workers w ho w orked during, or received pay for, any part o f the pay period including the 12th o f the month. 2. Total gross payrolls for production workers be fore deductions for old-age and unem ploym ent insur ance, group insurance, w ithholding tax, bonds, and union dues. The payroll figures also include pay for overtim e, shift prem ium s, h olid ays, vacation s, and sick leave paid directly by the firm to em p loyees for the pay period reported. T hey exclu d e b onu ses (unless earned and paid regularly each pay period) or other pay not earned in the pay period concerned (e .g ., retroactive pay). Tips and the value o f free rent, fuel, m eals, or other paym ent in kind are not included. 3. Total hours w orked (including overtim e hours) during the pay period, hours paid for standby or report ing tim e, and equivalent hours for w hich em ployees received pay directly from the em ployer for sick leave, for holidays, vacations, and other leave paid to these em p loyees. O vertim e or other prem ium paid hours are not con verted to straight-time equivalent hours. 4. O vertim e hours for w hich prem iums w ere paid b ecau se the hours worked w ere in ex c e ss o f the number o f hours o f either the straight-time workday or work w eek. Saturday and Sunday hours ( or 6th and 7th day hours) are included as overtim e only if overtim e pre miums w ere paid. H oliday hours w orked as overtim e are not included u nless they are paid for at more than the straight-tim e rate. H ours for w hich only shift differ 3 U n le s s o t h e r w is e in d ic a te d , th e Digitized for p r oFRASER d u c tio n w o r k e r s a p p ly lik e w is e http://fraser.stlouisfed.org/ n o n s u p e r v is o r y c a te g o r ie s . Federal Reserve Bank of St. Louis to r e fe r e n c e s th e in th is c o n s t r u c tio n c h a p te r w o rk er to pnd ential, hazard, incentive, or similar types of premiums were paid are excluded from overtim e hours. Overtime hours data are collected only from estab lishm ents engaged in manufacturing industries. For governm ent organizations and private educational in stitutions, payrolls collected relate to all em ployees. Data relating to hours paid for are not collected . Industrial C la ss ific a tio n All national, State, and area em ploym ent, hours, and earnings series data are classified in accordance with the S t a n d a r d I n d u s t r i a l C l a s s i f i c a t i o n M a n u a l , O ffice o f M anagem ent and Budget, 1967. (S ee appendix B o f this bulletin for a detailed description o f this system .) Reporting establishm ents are classified into signifi cant econom ic groups on the basis o f major product or activity as determ ined by the establishm ents’ percent o f total sales or receipts for the previous calendar year. This information is collected on ce each year on an “ Industry C lass Supplem ent” to the monthly report form. (See p. 41 for a facsim ile o f this form .) All data for an establishm ent making more than one product or engaging in more than one activity are classified under the industry o f the m ost important product or activity, based on the percentages reported. T im e P erio d E m ploym ent, hours, and earnings are measured for the pay period including the 12th o f the m onth, w hich is standard for all Federal agencies collecting em ploy ment data on an establishm ent basis. Data Sources S a m p le D ata Each month the State agencies cooperating with the Bureau co llec t data on em ploym ent, payrolls, and hours from a sam ple o f establishm ents. The respondent extracts these figures from his payroll records. T hese data are readily available as the em ployers must main tain such records for a variety o f tax and accounting purposes. A response analysis survey o f the reporting practices o f a scientifically selected sample o f reporting establishm ents in manufacturing industries show ed that the reports were made out alm ost exclu sively from their payroll records. The survey also show ed that w hile a number o f em ployers did not report precisely the data requested on the schedule for all item s, th ese deviations were not all in the sam e direction. On balance, they tended to offset each other, and the net effects o f in correct reporting w ere quite insignificant.4 4 Y ou n g, D u d le y p lo y m e n t S e r ie s Review, E . and G o ld s te in , S id n e y , “ T h e a n d M a n u fa c t u r in g R e p o r t in g P r a c t ic e s ,” N o vem b er 1957, 1 3 6 7 -1 3 7 1 . B L S E m Monthly EM PLOYMENT, HOURS, AND EARNINGS Participation in the industry em ploym ent statistics program is entirely voluntary on the part o f the report ers. H ow ever, in many industries, particularly in man ufacturing, em ployers w ho have a high percentage o f total em ploym ent in the industry supply reports regu larly, and many have done so over a long period o f years. Benchmark Data An em ploym ent benchm ark is defined as a rea sonably com plete count o f em ploym ent. The estim ates are adjusted periodically, annually if p ossib le, to new benchm ark lev els. Since 1939, the basic sources o f benchmark information for “ all em ployees” have been periodic tabulations o f em ploym ent data by industry and, beginning with 1959, by size o f establishm ent. T hese are com piled by State em ploym ent security agencies, according to uniform procedures specified by the B L S from reports o f establishm ents covered under S ta te u n e m p lo y m e n t in su r a n c e la w s . T he S ta te em ploym ent security agencies receive quarterly re ports, from each em ployer subject to the law s, showing total em ploym ent in each month o f the quarter, and total quarterly w ages for all em p lo y e e s.5 If the em ployer has more than 50 em p loyees and operates more than one establishm ent in a State, he is required to make separate reports for each area (e .g ., county) in which he operates and for each establishm ent in different indus tries. E m ploym ent is reported for the pay period o f the month including the 12th, and reports are classified industrially according to the Standard Industrial C las sification. The State em ploym ent security agencies cooperate clo sely with the Bureau o f Labor Statistics in the assignm ents o f industry classification s, so there is a high degree o f uniformity in this respect betw een the benchm ark and sam ple data. With the expansion o f U I coverage in 1972, 97 per cent o f em p loyees on payrolls o f p r i v a t e nonagricultural establishm ents w ere included in the U I tabulations. For the few remaining industries exem pt from mandatory U I coverage, the Bureau o f Labor Statistics uses other sources for benchm ark inform ation. D ata on em ployees covered under social security law s as published by the Bureau o f the C ensus in C o u n t y B u s i n e s s P a t t e r n s , are used to augment the U I data for nonoffice insurance sales workers and private educational services. Data for interstate railroads are obtained from the Interstate 5 T h e S ta te e m p lo y m e n t s e c u r ity a g e n c ie s a r e r e q u ir e d ta b u la tio n s o f th e s e r e p o r t s to th e B L S t io n s a r e d u e in t h e W a s h i n g t o n o f f i c e fifth m o n th a fte r th e q u a rte r o f t o s u b m it e a c h q u a r te r . T h e s e ta b u la o f th e B L S r e fe r e n c e . F o r b y th e e n d o f th e e x a m p le , th e 29 Com m erce Com m ission; benchm arks for private ele mentary and secondary schools are derived from data obtained from the U .S . O ffice o f Education and the National Catholic Welfare A ssociation. These sources have been used for benchmarking for a number o f years. E m ploym ent figures for religious organizations are obtained from data provided by the N ational Council o f Churches and recent surveys o f churches conducted by several State agencies. In benchmarking the governm ent sector, the Bureau has for many years used the monthly em ploym ent data com piled by the U .S . Civil Service C om m ission (Fed eral G overnm ent) and the C ensuses and Surveys o f G overnm ents conducted by the Bureau o f the Census (State and local governm ents). Data on State and local governm ent are based on surveys and cen su ses con ducted by the Bureau o f the C ensus. H ow ever, since about 80 percent o f State governm ent em ployees are currently covered by unem ploym ent insurance and several States are in the p rocess o f expanding coverage further, it is expected that U I contributions data will be used as a benchmark source for the State governm ent portion in the near future. Since U I data are available for each m onth, the quality o f the benchmark data will be greatly im proved.6 Special efforts are made to classify establishm ents into the sam e industrial groupings for benchm ark pur p oses as they are for m onthly reporting. W herever p os sible, em ploym ent for the standard midmonth pay period for March is used as the benchmark. C o lle c t io n M e t h o d s The primary collection o f the current sample data is conducted by State agencies which have cooperative agreem ents with the B L S. In m ost States, this is the e m p lo y m e n t se c u r ity a g e n c y , a ffilia te d w ith th e E m ploym ent and Training Adm inistration (formerly, the M anpower A dm inistration), the organization which administers the State unem ploym ent insurance pro gram. In a few cases the State departm ent o f labor acts as the agency. The agencies mail schedules to a sample of establishm ents in the States each month. A “ shuttle” schedule is used (B L S form 790 series); that is, one which is subm itted each month in the calendar year by the respondent, edited by the State agency, and re turned to the respondent for use again the follow ing month. The State agency u ses the information provided on the forms to develop State and area estim ates o f em ploym ent, hours, and earnings, and then forwards the data, either on the schedules th em selves or in ma- fir s t q u a r t e r ta b u la tio n , w h ic h p r o v id e s th e b a s is o f th e B L S b e n c h m a r k s , is due on A u gu st 31. R e v ie w and e d itin g o f th e s e ta b u la tio n s and 6 F o r a m o r e d e ta ile d p r e p a r a t io n o f n a tio n a l s u m m a r ie s f r o m th e m r e q u ir e s s e v e r a l m o n t h s G lo r ia , a d d itio n a l B en ch m a rk L e v e ls ,” w o rk on th e c o m p le t e d . p art o f th e B L S b e fo r e th e b en ch m ark is 8 -1 3 . “ B L S d e s c r ip tio n E s ta b lis h m e n t o f th e b e n c h m a r k , s e e G o in g s , E s tim a te s R e v is e d Employment and Earnings, to M arch 1974 O c to b e r 1975, p p . 30 BLS HANDBO O K OF METHODS chine readable form , to the W ashington, D .C ., office o f the Bureau o f Labor S tatistics, w here th ey are used to prepare estim ates at the national level. The shuttle schedule has been used in this program since 1930, but there have been substantial changes in its design and in the data co llected over the period. All asp ects o f the sch ed u le, its form at, the wording o f the requested item s and d efinitions, and the con cep ts em bodied therein have b een subjected to a continuing and intensive review over the entire period, not only by the staff o f B L S and o f the State agen cies, but also by other governm ent agen cies and by num erous p ersons in pri vate busin ess and labor organizations. The report form s are not exactly alike for every industry, but m ost o f them request data on total em ploym ent, num ber o f w om en em p lo y ees, num ber o f production w orkers (in manufacturing and m ining), construction workers (in contract construction industries), or nonsupervisory workers (in other nonm anufacturing industries), and, for th ese w orkers, data on payroll, paid hours, and for m anufacturing, overtim e hours. The schedule contains detailed instructions and definitions for the reports. T here are several variants designed to m eet the specific problem s o f different industries. (S ee facsim iles o f B L S 790 C and B L S 790 E, pp. 37, 38, and 39.) The technical characteristics o f the shuttle schedule are particularly important in maintaining continuity and co n sisten cy in reporting from m onth to month. The design exhibits autom atically the trend o f the reported data during the year covered by the schedule, and there fore, the relationship o f the current figure to the data for the previous m onth. The sch ed u le also has operational advantages; for exam ple, accuracy and econ om y are obtained by entering identifying co d es and the address o f the respondent on ly o n ce a year. All sch ed u les are carefully edited by the State agen cies each m onth to m ake sure that the data are correctly reported and that th ey are co n sisten t within them selv es, w ith the data reported by the establishm ent in earlier m onths, and with th ose reported by other e s tablishm ents in their industry. This editing p rocess is carried out in accordance with a detailed manual o f instructions prepared b y the Bureau o f Labor Statistics. W hen the reports are sent to W ashington, they are screened by u se o f a com puter to d etect processing errors and reporting errors w hich m ay have escaped the first editing. Q uestionable c a ses d iscovered at ^ny stage o f the editing p rocess are returned, if n ecessary, to the respondent for review and co rrectio n .7 S a m p li n g Sam pling is u sed b y B L S in its industry em ploym ent statistics program for collecting data in m ost industries, 7 M e n d e ls s o h n , R u d o lp h C . “ S t a t i s t i c s , ” Monthly Labor Review, M a c h in e M a y M e th o d s in E m p lo y m e n t 1 9 5 5 , p p . 5 6 7 -5 6 9 . since full coverage w ould be prohibitively costly and time consum ing. The sampling plan for the program must: (a) provide for the preparation o f reliable m onthly estim ates o f em ploym ent, hours o f w ork, and w eek ly and hourly earnings w hich can be published promptly and regularly; (b) through a single general system , yield considerable industry detail for m etropolitan areas, States, and the Nation; and (c) be appropriate for the existing fram ework o f operating procedures, adm inis trative practices, resource availability, and other in stitutional characteristics o f the program. In developing the sample design, the universe o f establishm en ts w as stratified first by industry and within each industry by size o f establishm ent in terms o f em ploym ent, using six standard size classes. Within each industry, an optimum allocation design w as ob tained by sampling with probability proportionate to average size o f establishm ent within each o f the strata. A total size o f sam ple n ecessary to produce satisfactory estim ates o f em ploym ent had to be distributed among the size-class cells on the basis o f average em ploym ent per establishm en t in each cell. In p ractice, this is eq u iv a len t to distributing the pred eterm in ed total number o f establishm ents required in the sample among the cells on the basis o f the ratio o f em ploym ent in each cell to total em ploym ent in the industry. Within each stratum, the sam ple mem bers are selected at random. Under this type o f design, large establishm ents fall into the sam ple with certainty. In nearly all industries, establishm ents with 250 or m ore em ployees are in cluded in the sam ple with certainty and in many indus tries the cu toff is low er. The sizes o f the sam ples for the various industries w ere determ ined em pirically on the basis o f experience and o f co st considerations. In a manufacturing industry in w hich a high proportion o f total em ploym ent w as concentrated in a relatively few large e s ta b lis h m e n ts , a high p e r c e n ta g e o f to ta l em ploym ent had to be included in the sam ple. C on se quently, the sam ple design for such industries provides for a com plete censu s o f the larger establishm ents with only a few ch osen from among the smaller establish m ents, or none at all if the concentration o f em ploym ent in the larger establishm ents is great enough. On the other hand, in an industry w here a large proportion o f total em ploym ent is in small establishm ents, the sample design calls for inclusion o f all large establishm ents, and also for a substantial number o f the smaller establish m ents. M any industries in the trade and service divi sions fall into this category. In order to keep the sample to a size w hich can be handled with available resources, it is n ecessary to accep t sam ples in these divisions with a smaller proportion o f universe em ploym ent than is the case for m ost manufacturing industries. Since indi vidual establishm ents in these nonm anufacturing indus tries generally show less fluctuation from regular cy cli cal or seasonal patterns than establishm ents in man ufacturing industries, th ese sm aller sam ples (in terms o f em ploym ent) generally produce reliable estim ates. EM PLO YM ENT, HOURS, AN D EARNINGS Th is sam ple design, although aim ed prim arily at m eeting the needs o f the national program , provid es a technical fram ew ork within w hich State and area sam ple designs can be determ ined. Since the estim ates fo r States and areas gen erally are not prepared at the same degree o f industry detail as the national estim ates, the national design usually provid es sufficient reports fo r the preparation o f State and area estim ates.8 E s t im a t in g P r o c e d u r e s E m p lo y m e n t T a b l e 1. 31 N o n a g r ic u lt u r a l p a y r o ll e m p lo y m e n t e s t i m a te s , by industry division , a s a p e rc e n t o f the b e n c h m ark fo r 1971,1973, a n d 1974 Indu stry division 1971 19731 T o t a l .............................. M in in g ....................................... C o n t r a c t c o n s t r u c t i o n ................. M a n u f a c t u r i n g ............................ Tra n spo rta tio n and public u tilitie s .................................. W h o l e s a l e a n d r e t a i l t r a d e .......... Finance, in surance, and r e a l e s t a t e ............................. S e r v i c e s ...................................... G o vern m en t ................................ 100.2 99 .8 96 .9 1 0 0.4 9 8 .4 96 .5 9 0 .4 9 8 .9 1 0 0.9 10 0.3 99 .3 9 7 .8 100.0 100.1 100.2 9 9 .5 99.1 9 9 .5 9 8 .9 99 .3 12 10 0.4 100.0 1974 9 9 .9 9 7 .0 100.6 9 9 .9 100.6 -year revision. T h e “ all e m p lo y e e ” estim ates by industry are based on reasonably com plete em ploym ent counts or “ bench m a rk s.” T o obtain e m p lo y m en t estim ates fo r the individual estim ating cells, the fo llo w in g three steps are necessary: 1. A total em ploym en t figure (benchm ark) fo r the estim ating cell, as o f a specified month, is obtained from sources w hich p rovid e a reasonably com plete count o f em ploym en t fo r the cell. 2. F o r each cell, the ratio o f em ploym ent in one month to that in the precedin g month (i.e ., the link re la tive ) is com puted fo r sample establishments w hich reported in both months. 3. Beginning with the benchm ark month, the esti m ate fo r each month is obtained b y multiplying the estim ate fo r the p reviou s month b y the link relative fo r the current month. A p p lica tio n o f the estim ating procedure in preparing a series is illustrated b y the fo llo w in g exam ple: Assu m e that total em ploym en t fo r a given series was 50,000 in July. T h e reporting sample, com posed o f 60 establish ments, had 25,000 em p loyees in July and 26,000 in August, a 4-percent increase. T o d erive the August estim ate, the change fo r identical establishments re ported in the July-August sample is applied to the July estim ate: 50,000 x <or 104> = 5 2 ’0 0 0 This procedu re fo r estim ating current em ploym en t is know n as the benchm ark and link-relative tehcnique. It is an efficien t technique, taking advantage o f a reliable com plete count o f em ploym en t and o f the high correla p lo yees in August, reported an August productionw ork er figure o f 19,500 resulting in a ratio o f 1^’ ^ 2 6 ,0 0 0 or .750. U sing this ratio, produ ction-w orker em ploym ent in A ugust is estim ated to be 39,000 (52,000 m ultiplied by .750 = 39,000). A similar ratio m ethod is used to esti mate the number o f w om en e m p lo y e d .9 T h e estim ates fo r each type o f series (all em ployees, production w orkers, and w om en em p loyees) fo r indi vidual estim ating cells are summed to obtain the co r responding totals fo r broader industry groupings and divisions. A ppropriate revisions, based on n ew benchmarks, are introduced into the em ploym en t series as required to correct fo r classification changes and fo r deviations resulting from the use o f sample trends. In general, the benchm ark month is M arch. T h e em ploym en t esti mates w hich had been published previou sly fo r that m onth are com pared with the new benchmark data. Th e amount o f adjustment in the published em ploym ent inform ation is indicated b y this com parison. Th e all em p loyee series, fo r months betw een the current and the last preceding benchmark, are adjusted by w edging or tapering out the d ifferen ce b etw een the current benchm ark and the estim ate fo r the benchmark month back from the current benchm ark to the last previous benchm ark. This differen ce is assumed to have ac cumulated at a regular rate. T h e series fo r months sub sequent to the benchm ark month are revised by project ing the le v e l o f the new benchm ark by the trend o f the unadjusted series. A com parison o f the revisions made in recent years is presented in table 1. tion b e tw e e n le v e ls o f em p lo y m e n t in su cce ssive months in identical establishments. In addition to estim ates o f total em ploym en t by in Hours and Earnings dustry, the Bureau publishes data on production, con struction, or nonsu pervisory w ork er em ploym ent. F o r Independent benchmarks are not available fo r the this purpose, the sample ratio fo r the current month o f hours and earnings series. C onsequently, the levels shown are d erived from the B L S reporting sample. production w orkers to total em ploym en t is used. F o r exam ple, the 60 sample firm s w hich had 26,000 em- 9 If perm anent ch an ges in the co m p osition o f the sam ple take pla ce, the “ produ ction-w ork ers, all e m p lo y e e ” ratios and the “ w o m e n ” 8 F or the national sam p le, additional reports n eed ed for S tate and ratios calcu lated from the sam ple are m odified b y a w edging tech area sam p les are added to th o se required b y the national design . nique describ ed in this chapter under “ H ours and E arn in gs.” http://fraser.stlouisfed.org/ Federal Reserve Bank of St. Louis 32 BLS HANDBOOK OF METHODS S in ce 1959, w hen benchm ark data stratified by e m p lo y m e n t s iz e b e c a m e a v a ila b le th rou g h the em ploym en t security system , estim ates o f e m p lo y ment, hours, and earnings have been prepared by a cell structure w hich makes use o f size and in some cases regional stratification. E x p erien ce in the preparation o f current estim ates shows that the six size classes as described under the sampling design can be com bined into a maximum o f three size classes fo r the purposes o f preparing current estim ates o f hours and earnings, w hen stratification by size is n eed ed .10 W h en ever a new national benchm ark becom es available, national esti mates o f average w e e k ly hours and average hourly earnings using eight size strata and fou r regional strata (N orth east, N o rth Central, South, and W est) are pre pared. T h ese estim ates are used as a standard against w hich the published averages are com pared. In some cases, this com parison indicates that som e m odification o f the pattern o f stratification is needed. I f this is the case, a change is introduced into the estim ating struc Table 2. Number of industries for which “Prim ary” series are published under the B LS Industry Em ploy ment Statistics Program -em ploym ent, hours, and earn ings, January 1975 Industry division Total' ......... Goods-producing .. M ining.................... Contract construction .... Manufacturing .... Service-producing . Transportation and public utilities . Trade ..................... Finance, insurance, and real e s ta te . Services ................. Government ........... Total p rivate......... Total non agriculture ........ All Production employees workers1 419 1 12 Average Hours and overtime earnings2 hours 363 402 366 11 9 11 11 278 1 11 277 11 278 11 277 25 36 16 32 21 35 19 32 15 23 15 1 9 6 15 22 9 1 10 6 1 . Women 1 196 192 4 1 1 ture at the tim e o f the next benchm ark revision. 1 Production workers in m anufacturing and mining; construction workers in contract nonsupervisory workers, all other divisions. a. A v e ra g e w eekly hours a n d g ro ss hourly earnings. construction; 2 Average hourly earnings, average weekly hours, and average weekly earnings. T o obtain average w e e k ly hours fo r an individual es tim ating cell, the sum o f the hours reported by the plants classified in that cell is divided by the total number o f production w orkers reported fo r the same establishments. Sim ilarly, in com puting average hourly earnings, the reported payroll is divid ed by the reported w om en with regard to changes in the com position o f the sample betw een successive months. hours. T h e first ratio estim ates o f average hourly earnings ed averages o f the figures fo r com ponent cells and industries. T h e average w eek ly hours fo r each estim at ing cell are m ultiplied by the corresponding estim ate o f produ ction-w orker em ploym en t, to d erive aggregate hours. Payroll aggregates are the product o f aggregate hours and average hourly earnings. Payroll and hour aggregates fo r industry groups and divisions represent the sum o f aggregates fo r com ponent industries. A v e ra g e w eek ly hours fo r industry groups are o b tained b y dividing the hour aggregates by the corres ponding p rod u ctio n -w o rk er em p loym en t estim ates. A v e ra g e hourly earnings fo r groups are com puted by dividing the payroll aggregates b y the hour aggregates. and average w e e k ly hours are m odified at the estim at ing cell leve l by a w edging technique designed to com pensate fo r changes in the sample arising mainly from the volu ntary character o f the reporting. F o r exam ple, a first estim ate o f average hourly earn ings fo r the current month, U i, is obtained from aggre gates fro m a matched sample o f establishments report ing in the current and previous month. Sim ilarly an estim ate o f average hourly earnings, Do, fo r the p revi ous m onth is calculated from the same matched sample. H en ce, D i —Do is a measure o f absolute change be tw een the 2 months. N o te is then taken o f the published estim ate o f a ver age hourly earnings fo r the previou s month, say Vo. Because the panel o f establishments reporting in the sample is not absolutely fix ed from month to month, there m ay be differen ces betw een Vo and D o .11 A final figure fo r the current month is obtained by making use o f both p ieces o f inform ation; the estim ate is V i = (0.9 Vo + 0.1 t/o) + ( D i ~ Do) T h e procedu re, reflected in this last equation, accepts the advantage o f continuity from the use o f the matched sample, and at the same tim e tapers or w edges the published estim ate tow ard the leve l o f the latest sample average. T h e same procedure is used to adjust the p ro du ction-w orker all em p loyee-ratio and the ratios fo r W e e k ly hours and hourly earnings fo r industries and groups a bove the basic estim ating cell leve l are w eigh t This method is equivalent to w eighting w e e k ly hours b y estim ated u n iverse p rod u ctio n -w o rk er em p loym en t and hourly earnings b y estim ated universe hours. 10 T h ese com b in ation s o f size c la s se s have b een m ade b eca u se o f operational e co n o m ie s. In particular, the prelim inary estim a tes are based on less than full sam p les, and if th e estim ation o f prelim inary estim ates w as attem pted u sin g th e full stratification pattern, there w ou ld be a num ber o f cells for w h ich there w ere no sam p les. E x p eri m ents and tests over several years ind icate that e stim a tes o f hours and earnings prepared from the B L S sam ple u sin g a m axim um o f three size strata gen erally d o not differ significan tly from th o se co m puted w ith four size strata or m ore. 11 If the d ifferen ce b etw een the estim ate and the average co m puted from the sam p le (Vo—U o ), is to o great, the sam ple average is accep ted o n ce it has b een estab lish ed that the d ifferen ce is du e to a perm anent change in the co m p o sitio n o f the sam p le, and the series is regarded as d iscon tin u ou s at that p oin t. In general, a differen ce greater than 3 p ercen t is con sid ered as defining a d iscon tin u ity or “ b reak .” EMPLOYMENT, HOURS, AND EARNINGS For all levels, from individual estimating cells to major industry divisions, average weekly earnings are computed by multiplying average hourly earnings by average weekly hours. b. Overtime Hours. To obtain average weekly over time hours in manufacturing industries, the sum of the overtime hours reported is divided by the number of production workers in the same establishments. c. Spendable Average Weekly Earnings. (For work ers who earn the average weekly earnings.) Before the majority of workers in low'er income brackets were subject to Federal income and social security taxes, gross average weekly earnings were a satisfactory mea sure of trends in weekly earnings available for spend ing. After Federal income taxes began to affect the spendable earnings of an appreciable number of work ers, a method w'as developed for approximating spend able earnings by deducting these taxes from gross earnings.12 The amount of individual income tax liability de pends on the number of dependents supported by a worker as well as on the level of his gross income. Spendable earnings for workers by major industry divi sion are computed and published for a worker who earns the average amount and has no dependents or who has three dependents. Gross and spendable weekly earnings also are com puted and published in terms of 1967 dollars, to give an approximate measure of changes in “ real” gross and spendable weekly earnings, that is, in purchasing power since that base period. This series is computed by divid ing the weekly earnings average (in current dollars) by the BUS Consumer Price Index for the same month. d. Average hourly earnings, excluding overtime, in manufacturing are computed by dividing the total pro duction-worker payroll for the industry group by the sum of total production-worker hours and one half of total overtime hours, wTiich is equivalent to payrolls divided by straight-time hours. This method excludes overtime earnings at Wi times the straight-time rates; no further adjustment is made for other premium pay ment provisions. e. Indexes of aggregate weekly hours and payrolls are prepared by dividing the current month’s aggre gates by the average for 1967. f. Indexes of diffusion of changes in the number of employees on nonagricultural payrolls measure the percent of industries which posted increases in employment over the specified time span. The indexes are calculated from 172 unpublished seasonally ad justed employment series (two-digit nonmanufacturing industries and three-digit manufacturing industries) covering all nonagricultural payroll employment in the private sector. A more detailed discussion of these in 12 Utter, Carol, “ The Spendable Earnings Series: A Technical Note on its Calculation,” E m p lo y m e n t a n d E a r n in g s a n d M o n th ly http://fraser.stlouisfed.org/ R e p o r t o n th e L a b o r F o r c e , February 1969. pp. 6-13. Federal Reserve Bank of St. Louis 33 dexes appears in “ Introduction of Diffusion Indexes,” in the December, 1974 issue of Employment and Earn in g s . Reliability of Estimates Although the relatively large size of the BUS establishment sample assures a high degree of accu racy, the estimates derived from it may differ from the figures that would be obtained if it were possible to take a complete census using the same schedules and pro cedures. As discussed previously a link relative tech nique is used to estimate employment. This requires the use of the previous month’s estimate as the base in computing the current month’s estimate. Thus, small sampling and response errors may cumulate over sev eral months. To remove this accumulated error, the estimates are adjusted annually to new benchmarks. In addition to taking account of sampling and response errors, the benchmark revision adjusts the estimates for changes in the industrial classification of individual establishments (resulting from changes in their product which are not reflected in the levels of estimates until the data are adjusted to new' benchmarks). In fact, at the more detailed industry levels, particularly within man ufacturing. changes in classification are the major cause of benchmark adjustments. Another cause of differ ences, generally minor, arises from improvements in the quality of the benchmark data. One measure of the reliability of the employment estimates for individual industries is the root-meansquare error (RMSF). The measure is the standard de viation adjusted for the bias in estimates. RMSF = / (Standard Deviation)2 + (Bias)2 If the bias is small, the chances are about 2 out of 3 that an estimate from the sample would differ from its bench mark by less than the root-mean-square error. The chances are about 19 out of 20 that the difference w'ould be less than twice the root-mean-square error. The hours and earnings estimates for cells are not subject to benchmark revisions, although the broader groupings may be affected slightly by changes in employment weights. The hours and earnings esti mated, however, are subject to sampling errors which may be expressed as relative errors of the estimates. (A relative error is a standard error expressed as a percent of the estimate.) Measures of root-mean-square errors for employment estimates and relative errors for hours and earnings estimates are provided in the “ Technical Note” of Employment and Earnings. Seasonally Adjusted Series Many economic statistics, including employment and average weekly hours, reflect a regularly recurring sea 34 B L S H A N D B O O K OF M ETH O D S sonal m ovem ent which can be measured on the basis o f past experience. B y elim inating that part o f the change which can be ascribed to usual seasonal variation, it is possible to ob serve the cyclical and other nonseasonal m ovem ents in these series. Seasonal adjusted series are published regularly for selected em ployment, hours, and earnings series. T h e seasonal adjustm ent m ethod used fo r these series is an adaptation o f the standard ratio-to-m oving average m ethod, with a provision fo r “ m o vin g ” adjust ment factors to take account o f changing seasonal pat terns. A detailed description o f the m ethod is given in appendix A o f this bulletin. T h e season ally adjusted series on gross average w e e k ly hours, average o vertim e hours and average hourly earnings are com puted by applying factors di rectly to the corresponding unadjusted series, but sea sonally adjusted em ploym en t totals fo r all em ployees and production w orkers b y industry divisions are o b tained by summing the seasonally adjusted data fo r com pon ent industries. S elected seasonally adjusted series also are prepared fo r aggregate w eek ly hours. P re s e n ta tio n a n d U s e s A t the national leve l, the program produces each month a total o f o v e r 2,600 separate published series. Tables 2 ,3 , and 4 provid e a summary o f the detail w hich is published currently. T a b le 2 describes the “ prim a ry” series produced b y the program , that is, those co m puted directly from the sample and benchm ark data. T a b le 3 indicates the “ special” series w hich are o b tained from the prim ary series by application o f special adjustments, w hile table 4 lists the seasonally adjusted series b y typ e and industry division. In addition to the series published on a current m onthly basis, a single annual figure fo r em ploym en t in M arch o f each year (based on benchm arks) is published fo r a num ber o f industries fo r w hich m onthly estim ates do not currently m eet established standards fo r pub Table 3. Number of industries for which special se • are published under the B LS Industry E m p lo y m ^ Statistics Program -em ploym ent, hours, and earninn January 1975 9S’ In d e x o f In d e x o f Gross aggre a g g r e S p en d ab le weekly average gate gate earnings w eekly w eekly w eekly (1967 ea rn in gs1 h o u rs payrolls d o l la r s ) In d u s t r y d i v i s i o n Total p r iv a t e . G o od s-prod u cin g .... M i n i n g .................. Contract c o n s t r u c t i o n ...... M a n u f a c t u r i n g ....... S e r v i c e - p r o d u c i n g ... Transportation and p u b l i c u t i l i t i e s ... T r a d e ..................... Finance, in su ran ce, a n d r e a l e s t a t e ... S e r v i c e s ................. 1 1 1 1 24 1 1 1 1 1 1 1 1 1 1 1 1 1 24 1 1 1 3 3 1 1 1 1 1 1 1 1 1 1 1 1 Average hourly earnings (e x c lu d i n g o v e r t im e ) Ofl 1 In current and 1967 dollars. appear in several B L S publications. The summary data are first published each month in a press release which contains prelim inary national estimates o f nonagricul tural em ploym en t, w e e k ly hours, and gross average w eek ly and hourly earnings in the preceding month, for m ajor industry categories. T h e release also includes sea so n ally adju sted data on em ploym en t, average w e e k ly hours, and a verage overtim e hours. The pre lim inary estim ates are based on tabulations o f data for less than the full sample to perm it early release o f fig ures. Th is release norm ally is issued 3 weeks after the lication. In 1975, follow ing revision to the 1974 bench w eek o f referen ce fo r the data. Th e press release also includes a b rie f analysis o f current trends in em ploy ment, hours, and earnings, pointing up current de velopm ents as com pared w ith those fo r the previous month and the same month in the preceding years. N ation al estim ates in the detail described in tables 2, 3, and 4 are published in the monthly report E m ploy merit an d E arnings. This publication is issued about 5 w eeks after the w e e k o f reference. Em ployment data fo r total nonagricultural em ploym ent and for the major mark, data for 239 such industries w ere published. industry divisions, as w ell as hours and earnings for all In June 1975, em ploym en t, and hours and earnings statistics w ere available fo r 50 States, the D istrict o f E m ploym en t a n d E arnings 1 month later than those for C o lu m b ia , and 220 a re a s . A p p r o x im a t e ly 8,700 em ploym en t series and hours and earnings series fo r about 3,400 industries w ere published fo r these States and areas b y the State agencies. T h e em ploym en t series usually c o v e r e d total nonagricultural em p loym en t, m ajor industry division s (e .g ., contract construction, manufacturing, are published fo r States and areas in th e N a t io n . S p e c ia l a r tic le s a n a ly ze lo n g -te rm econ om ic m ovem en ts o r describe technical develop ments in the program . M a n y o f the national series are republished in the M on th ly L a b o r R eview with data shown fo r each series fo r the most recent 13 months. F o llo w in g each benchm ark revision, an historical vo lu m e ca lled E m p lo y m e n t a n d E arn in gs, U n ited manufacturing), and m ajor industry groups (e .g ., textile m ill products, transportation equipm ent, retail trade) fo r each State and area. A d dition al industry detail fr e S ta te s is published. Th is p rovid es historical data, quently is p rovid ed fo r the larger States and areas, o f each series, in a fe w instances as far back as 1909. A particularly fo r industries w hich are lo ca lly important in com panion volu m e, E m ploym en t and Earnings, S tates an d A rea s, provid es historical data (annual averages) various jurisdictions. Digitized forthe FRASER http://fraser.stlouisfed.org/ Th e series on em ploym en t, and hours and earnings Federal Reserve Bank of St. Louis m onthly and annual averages, from the beginning date on all em p loyees and on production-w orker hours and 35 E M P L O Y M E N T , H O U R S, A N D E A R N IN G S T a b le 4. N u m b e r o f s e a s o n a lly a d ju s te d s e r ie s p u b lis h e d u n d e r the B L S Industry E m p lo y m en t S tatistics P r o g r a m - e m p lo y m en t, h o urs, a n d e a r n in g s , J a n u a ry 1975 S e a s on a lly a d ju sted s erie s Industry d ivision T o t a l n o n a g r i c u l t u r e ....... T o t a l p r i v a t e ................. G o o d s - p r o d u c i n g ....................... M i n i n g ................................ C o n tra c t c o n s t r u c t io n .......... M a n u f a c t u r in g ..................... S e r v i c e - p r o d u c i n g ...................... Tra n sp o rta tio n and public u t i l i t i e s ............................ T ra d e ................................. F in an ce, in su ra n ce, and real e s t a t e .............................. S e r v i c e s ............................. G o v e r n m e n t ........................ All em ployees Production workers 1 1 1 1 1 1 1 1 1 24 24 1 1 In d e x o f em plo ym en t Average w eekly earn in gs Average h o u r ly earn in gs Average w eekly hours 1 1 1 1 1 1 1 1 1 1 1 1 24 24 H our index 1 1 1 1 1 1 3 1 1 1 1 1 3 3 1 1 1 3 3 3 1 1 1 1 1 1 1 1 1 1 1 5 3 Average overtim e h o u rs 3 earnings series published by State agencies fo r States agreem ent; “ escalation clauses” m ay be included in and areas back to the beginning o f these series, in some instances to 1939. This volu m e is published annually. D etailed industry rates are available m onthly in re leases published by the coop erating State agencies. T h e data are dissem inated also through the publica the contracts, w hich perm it an increase or a low erin g o f the settlem ent price depending on the m ovem en t o f average hourly earnings in a selected industry. W id e tions o f many other F ederal agencies; e.g ., the D epart ment o f C om m erce, the B oard o f G overn ors o f the F ederal R es erve System and the Council o f E con om ic A d v is o rs republish all or part o f the data. T h ey are also regularly republished in summary form or fo r specific industries in many trade association journals, the labor press, and in general referen ce w orks. T h ese series are used b y labor unions, business firm s, universities, trade associations, private research o r ganizations, and m any governm en t agencies. Research w orkers in labor unions and industry, as w ell as others responsible fo r analyzing business conditions, use the tren d s r e fle c t e d in th e se p a rtic u la r sta tis tic s as econ om ic indicators. T h e average w eek ly hours series are u tilized as lead indicators o f swings in the business cy cle. L a b o r econom ists and oth er social scientists find these series to be an im portant indicator o f the N a tio n ’ s econ om ic a ctivity, as w ell as a measure o f the w e ll being o f the m illions o f A m ericans w h o depend on salaries and w ages. Industrial grow th and progress m ay be assessed by using the em ploym en t and hours series in conjunction w ith other econ om ic data to yield m ea sures o f produ ctivity. A nalysts study em ploym en t trends to detect changes in industrial structure, and to ob serve grow th and de cline p roclivities o f individual industries. T h e y also are used in the Bureau’ s O ccupational O u tlook program as a basis fo r projection o f future trends. E x ecu tives use the em ploym en t, earnings, and hours data fo r guidance in plant location, sales, and pur chases. A ls o , firms negotiating long-term supply or construction contracts often u tilize series on average hourly earnings as an aid in reaching an equitable need has been dem onstrated b y both labor and business fo r industry series on hourly earnings and w e e k ly hours, to p rovid e a basis fo r labor-m anagem ent negotia tions. T h e y not on ly furnish current and historical in form ation on a given industry but provid e com parative data on related industries. L im it a t io n s Employment T o ta l em ploym en t in nonagricultural establishments from the “ p a yro ll” su rvey is not d irectly com parable w ith the B ureau’ s estim ates o f the number o f persons em p loyed in nonagricultural industries, obtained from the m onthly “ h ou seh old” s u rv e y .13 T h e “ p a y ro ll” series excludes unpaid fam ily workers, domestic ser vants in private hom es, proprietors and other self-em p lo yed persons, all o f w hom are co vered b y the house hold survey. M o re o v e r, the “ p a y ro ll” series counts a person em p loyed by tw o o r m ore establishments at each place o f em ploym en t, w hile the “ household” sur v e y counts him on ly on ce, and classifies him according to his single m ajor a ctivity. Certain persons on unpaid lea ve are counted as em ployed under the “ household” su rvey, but are not included in the em ploym en t count d erived from the “ p a y ro ll” series. In addition to these differen ces in concept and scope, the surveys em ploy d ifferen t co llectio n and estim ating techniques. T h ere fo r e , a lth ou gh ea ch s u rv e y m easu res ch an ges in em ploym en t, direct com parability should not be e x pected. H o w e v e r, o v e r tim e, the trends are similar. Th e household su rvey places its prim ary emphasis on the 13 See ch. 1 for a description of this survey. 36 BLS HANDBOOK OF METHODS employment status of individuals and also provides a great deal of information on the demographic charac teristics (e.g., sex, age, race) of the labor force. The survey is not well suited to providing detailed informa tion on the industrial and the geographic distribution of employment. The establishment survey, while pro viding limited information on personal characteristics of workers, is an excellent vehicle for obtaining these detailed industrial and geographic data, and in addition, it provides hours and earnings information which is directly related to the employment figures. The payroll and household surveys therefore may be regarded as complementary. Employment estimates derived by the Bureau of the Census from its quinquennial censuses and from the annual sample surveys of manufacturing establish ments may differ from BLS employment statistics. The most important reason for difference stems from the degree to which multiproduct establishments file sepa rate or combined reports in one survey but not the other, which may result in different industrial classifica tion of employment. There is also a significant differ ence at the more detailed industry levels, since Census classifies auxiliary units and central and district ad ministrative units on the basis of the most appropriate 2-digit major group, while BLS codes these units to the most appropriate 4-digit industry. For broad categories, however, the two surveys do show similar levels and trends. Hours and Earnings The workweek information relates to average hours paid for, which differ from scheduled hours or hours worked. Average weekly hours reflect the effects of such factors as absenteeism, labor turnover, part time work, and strikes. The gross average hourly earnings series reflect ac tual earnings of workers, including premium pay. They differ from Wcige rates, which are the amounts stipu lated for a given unit of work or time. Gross average hourly earnings do not represent total labor costs per hour for the employer, for they exclude retroactive payments and irregular bonuses, various welfare be nefits, and the employer’s share of payroll taxes. Earn ings for those employees not covered under the pro duction worker and nonsupervisory-employee categories are, of course, not reflected in the estimates. The series on spendable weekly earnings measure the net earnings of workers who earn the average gross weekly earnings, have the specified number of depen dents, and take the standard deductions for Federal income tax purposes. Spendable earnings reflect de ductions only for Federal income and social security taxes (calculated on the basis of total annual liabilities), and thus represent only a rough approximation of dis posable earnings.14 They do not take into account payroll deductions for such purposes as State income taxes, union dues, or group insurance, and they do not reflect such factors as total family income or tax deduc tions above the standard amount. The “ real” earnings data (those expressed in 1967 dollars), resulting from the adjustment of gross and spendable average weekly earnings by means of the Bureau’s Consumer Price Index, indicate the changes in the purchasing power of money earnings as a result of changes in prices for consumer goods and services. These data cannot be used to measure changes in living standards as a whole, which are affected by other fac tors such as total family income, the extension and incidence of various social services and benefits, and the duration and extent of employment and unemploy ment. To approximate straight-time average hourly earn ings, gross average hourly earnings are adjusted by eliminating only premium pay for overtime at the rate of time and one-half. Thus, no adjustment is made for other premium payment provisions such as holiday work, late-shift work, and premium overtime rates other than at time and one-half. The ultimate goal of the program is to provide current estimates of employment, hours, and earnings for all nonagricultural industries in the Nation as a whole, and also for all significant industries in all States and all Standard Metropolitan Statistical Areas, as defined by the Office of Management and Budget. While very sub stantial progress toward this objective has been made o ver the years, and particularly since the end of World War II, there remain some important areas where the goal is yet to be realized. Efforts constantly are being directed toward strengthening the sample so that series for employment, hours, and earnings for additional in dustries may be published, and also toward developing series for additional standard metropolitan areas. 14 For a complete analysis of the difference between spendable and disposable earnings, see Paul Schwab, “ Two Measures of Purchasing Power Contrasted,” M o n th ly L a b o r R e v ie w , April 1971. EM P L O Y M E N T . H O U R S, A N D E A R N IN G S BLS 790 C 37 Office of Management and Budget No. 44-R745 Approval expires January 31, 1978 M A N U F A C T U R IN G M O N T H L Y REPORT ON EMPLOYMENT, PAYROLL, AND HOURS U.S. DEPARTMENT OF LABOR B U R E A U O F L A B O R STA TISTIC S W A S H I N G T O N , D.C. 20212 (Change N a m e and Mailing Address If In correct -include Z I P Code) SAMPLE COPY Retui*n promptly each month in the enclosed envelope which requires no postage EXPLANATIONS FOR ENTERING DATA ON REVERSE SIDE Columns 2 and 3. PAY PERIOD DATES.—Enter the beginning and ending dates of your pay period which includes the 12th of the month. Columns 4 and 5. PAY PERIOD-NUMBER OF DAYS.-Enter in column 4 tor the entire pay period reported the number of days on which the majority of production and related workers performed work plus the number of holidays and vacation days during the period for which the majority were paid. When the period is longer than a week, enter in column 5 the num ber of such reported days worked or paid for during the 7 consecutive day period which includes the 12th of the month and falls entirely within the period reported in columns 2 and 3. Column 7. ALL EMPLOYEES-BOTH SEXES.-Enter the total num ber of persons on the payroll(s) covered by this report who worked full- or part-time or received pay for any part of the period reported. Include salaried officers of corporations and executives and their staffs, but exclude proprie tors, members of unincorporated firms, and unpaid family workers. Include persons on vacations and sick leave for which they received pay directly from your firm for the period reported but exclude persons on leave without com pany pay the entire period and pensioners and members of the Armed Forces carried on the rolls but not working during the period reported. Column 8. ALL EMPLOYEES-WOMEN ONLY.—Report number of women employees included in column 7. Column 9. NUMBER OF PRODUCTION AND RELATED WORKERS. Enter the number of production and related workers, both full- and part-time, on your payroll(s), whether wage or salaried, who worked during or received pay for any part of the pay period reported. Include persons on vacations or on sick leave when paid directly by your firm. The term "production and related workers" includes working supervisors and all nonsupervisory workers (including group leaders and trainees) engaged in fabricating, processing, assembling, inspection, receiving, storage, handling, packing, warehousing, shipping, trucking, hauling, maintenance, repair, janitorial, guard services, product development, auxiliary production for plant's own use (e.g., power plant), and recordkeeping, and other services closely associated with the above production operations. The term "production and related workers" excludes employees en gaged in the following activities: Executive, purchasing, finance, accounting, legal, personnel, cafeterias, medical, professional, and technical activities, sales, sales-delivery (e.g., delivery and route workers), advertising, credit, collection, and in installation and servicing of own products, routine office function, factory supervision (above the working supervisors'level); and force account construction employees on your payroll engaged in construction of major additions or alterations to the plant who are utilized as a separate work force. (Employees in the above activities should be excluded from column 9 but in cluded in column 7, All Employees.) Column 10. PAYROLL.—Enter amount of pay earned during the pay period by the production and related workers reported in column 9. Payrolls should be reported before deductions for old-age and unemployment insurance, group insurance, withholding tax, bonds, and union dues. Include pay for over time and for holidays, vacations, and sick leave paid directly by your firm to employees for the pay period reported. Exclude bonuses (unless earned and paid regularly each pay period), or other pay not earned in pay period reported (e.g., retroactive pay), and value of free rent, fuel, meals, or other payment in kind. Column 11. TOTAL HOURS.—Enter the sum of (1) hours worked (including overtime hours) during the pay period by the production and related workers reported in column 9, (2) hours paid for stand-by or reporting time, and (3) equivalent hours for which employees received pay directly from the employer for holidays, vacations, sick leave, or other leave paid to these workers. Do not convert overtime or other premium paid hours to straighttime equivalent hours. Column 11Y. OVERTIME HOURS.-Enter the number of hours in cluded in column 11, for which premiums were paid because the hours were in excess of the number of hours of either the straight-time workday or workweek, Include Saturday and Sunday hours (or 6th and 7th day hours) only if over time premiums were paid. Holiday hours worked by employees should be in cluded only if payment for these hours is at more than the straight-time rate. Exclude hours for which only shift differential, hazard, incentive, or other similar types of premiums were paid. If none, enter "0" in column 11Y. u> 00 BLS Codes S ta t e R ep o rt N o . Form BLS 7 9 0 C In d . LOCATION OF ESTABLISHMENT(S) COVERED IN THIS REPORT ( N u m b e r o f e s t a b lis h m e n t s ) ( C it y ) (C o u n ty ) (S ta te ) The Bureau of Labor Statistics and the State agencies cooperating in its statistical programs will hold all information furnished by the respondent in strict confidence. Before entering data see explanations on other side PAY PERIOD F ro m — Throu gh (B o th d a te s in c lu s iv e ) (1) (2 ) (3) E n te r th e n u m b er o f d a y s w o r k e d p lu s p a id h o l i d a y s a n d p a id v a c a t io n d a y s f o r m a jo r it y o f p r o d u c t io n w o rk e rs . ( N e a r e s t V2 d a y ) D u r in g th e e n t ir e pay p e r io d (4 ) D u r in g th e 7-conse cutiveday p e r io d w h ic h in c lu d e s th e 1 2 th (5) DO NOT USE L /P (6 ) NUM BER I n c lu d e a ll p e r s o n s w h o w o r k e d d u r in g o r r e c e iv e d p a y f o r a n y p a r t o f p e rio d r e g a r d le s s o f t y p e o f w o r k p e rfo rm e d . E n t e r in c o l u m n s 9 , 1 0 , a n d 1 1 t h e n u m b e r o f p r o d u c t i o n a n d r e la te d w o r k e r s w h o w o r k e d d u r in g o r re c e iv e d p a y f o r a n y p a r t o f t h e p e r io d r e p o r t e d , t h e p a y e a r n e d ( b e f o r e d e d u c t io n s ) , a n d a ll h o u r s w o r k e d o r p a id f o r . I n c lu d e p a y a n d h o u r s f o r o v e r t im e , s ic k le a v e , h o li d a y s , a n d v a c a t io n s . E n t e r in c o l u m n 1 1 Y t h e t o t a l n u m b e r o f h o u r s f o r w h i c h o v e r t im e p r e m iu m s w e r e p a id . B o th sex es W om en o n ly N um ber of p r o d u c tio n w o rk e rs (7 ) (8 ) (9 ) 19 7 5 D ec. O v e r tim e T o t a l p r o d u c tio n w o r k e r p a y r o ll in c lu d i n g o v e r t im e p a y T o t a l p ro d u c t io n w o rk e r ho urs in c lu d i n g o v e r t im e h o u r s p r o d u c t io n w o rk er h o urs in c lu d e d in c o lu m n 1 1 (O m it c e n ts ) (O m it fr a c tio n s ) (O m it fr a c tio n s ) (10 ) (ID (11Y ) E n t e r in c o l u m n 1 3 t h e m a in f a c t o r s r e s p o n s ib le fo r s ig n if ic a n t m o n t h -t o -m o n t h c h a n g e s in e m p l o y m e n t , a v e ra g e h o u r s w o r.k e d ( c o l . 1 1 “ c o l . 9 ) , a v e r a g e h o u r ly e a r n in g s ( c o l . 1 0 “ c o l . 1 1 ) , e t c ., as in d ic a t e d b y t h is r e p o r t . E x a m p le s a r e : M o r e b u s in e s s T e m p o r a r y s u m m e r h e lp W a g e r a te in c r e a s e L a y o ff fo r r e to o lin g DO NOT USE E x p l. Code (12 ) If a n y g e n e r a l w a g e -r a t e c h a n g e s ( n o t in d iv id u a l c h a n g e s f o r le n g t h o f s e r v ic e , m e r it , o r p r o m o t io n ) h a v e o c c u r r e d s in c e la s t m o n t h ’s r e p o r t , n o t e th e a m o u n t o f in c r e a s e o r d e c r e a s e (a s + 2 % , — 5 g ) , th e e f f e c t iv e d a t e o f t h e c h a n g e , a n d t h e a p p r o x im a t e n u m b e r o f p r o d u c t io n w o rk e rs a f f e c t e d . (13 ) $ ____________________ 19 7 6 Jan . Feb. M ar. A p r. M ay Ju n e J u ly Aug. S e p t. O ct. N ov. D ec. (Person to be addressed if questions arise regarding this report) (Position) O v e r tim e S tr ik e F ir e W e a th e r (Telephone No.) B L S H A N D B O O K O F M ETH O D S YEA R AND M O NTH E n t e r b e g in n in g a n d e n d in g d a t e s o f p a y p e r io d w h i c h in c lu d e s th e 1 2 t h of th e m o n th . YOUR COMMENTS PRODUCTION AND RELATED WORKERS ALL EMPLOYEES EM PLO YM ENT, HOURS, AN D EARNINGS BLS 790 E M O N TH LY REPO RT ON EM PLOYM ENT, P A Y R O L L, AN D HOURS TRADE 39 Office of Management and Budget No. 44-R745 Approval expires January 31, 1978 U.S. DEPARTMENT OF LABOR B U R E A U O F L A B O R S T A T IS T IC S W A S H IN G T O N , D .C . 2 0 2 1 2 ( C h a n g e N a m e a n d M a ilin g A d d r e s s If I n c o r r e c t —I n c lu d e Z I P C o d e ) r~ n SAMPLE COPY Return promptly each month in the enclosed envelope which requires no postage L_ EXPLANATIONS FOR ENTERING DATA ON REVERSE SIDE Columns 2 and 3. P A Y PERIOD D A T E S .—Enter the beginning and ending dates of your pay period which includes the 12th of the month. Columns 4 and 5. P A Y P E R I O D -N U M B E R O F D A Y S .-E n te r in column 4 for the entire pay period reported the number of days on which the majority of nonsupervisory employees performed work plus the number of holidays and vacation days during the period for which the majority were paid. When the period is longer than a week, enter in column 5 the number of such reported days worked or paid for during the 7 consecutive day period which includes the 12th of the month and falls entirely within the period reported in columns 2 and 3. Column 7. A L L E M P L O Y E E S - B O T H S E X E S .-E n te r the total number of persons on the payroll(s) covered by this report who worked full- or part-time or received pay for any part of the period reported. Include salaried officers of corporations and exec utives and their staffs, but ex clu d e proprietors, members of unin corporated firms, and unpaid family workers. Include persons on vacations and sick leave for which they received pay directly from your firm for the period reported but ex c lu d e persons on leave without company pay the entire period and pensioners and members of the Armed Forces carried bn the rolls but not working during the period reported. Column 8. A L L E M P L O Y E E S - W O M E N O N L Y .—Report number of women employees included in column 7. Column 9. N U M B E R O F N O N S U P E R V IS O R Y E M P L O Y E E S .—Enter the number of nonsupervisory employees, both fulland part-time, on your payroll(s), whether wage or salaried, who worked during or received pay for any part of the pay period re ported. Include persons on vacations or on sick leave when paid directly by your firm. The term "nonsupervisory employees" includes employees such as salespersons, shipping and receiving clerks, stock clerks, general office clerks, office-machine operators, cashiers, waiters, waitresses, bartenders, kitchen help, dining room attendants, enter tainers, parking lot attendants, drivers, installation and repairers, elevator operators, janitors and guards, and other employees below the supervisory level, whose services are closely associated with those of employees listed above. Included in the nonsupervisory category are employees who may be "in charge" of a group of employees but whose supervisory functions are only incidental to their regular work. The term "nonsupervisory employees" excludes officers of corporations, principal executives such as buyers, department heads, managers and others who are primarily engaged in planning and directing the work of subordinates. (Employees listed above should be excluded from column 9 but included in column 7, All Employees.) Column 10. P A Y R O L L .—Enter amount of pay earned during the pay period by the nonsupervisory employees reported in column 9. Payrolls should be reported before deductions for old-age and unemployment insurance, group insurance, withholding tax, bonds, and union dues. Include pay for overtime and for holidays, vacations, and sick leave paid directly by your firm to employees for the pay period reported. E x c lu d e commissions reported in column 10A. Exclude bonuses (unless earned and paid regularly each pay period) or other pay not earned in pay period reported (e.g., retroactive pay). Exclude tips contributed by the customer, value of free meals, rent, fuel, or other payment in kind, or traveling or other expenses of salesmen. Columns 10A, 10B, and 10C. COMMISSIONS O F N O N S U P ER V IS O R Y E M P L O Y E E S .—Enter commissions (not drawing accounts or basic guarantees) paid to nonsupervisory employees reported in column 9. If commissions are paid monthly or for* a shorter period, enter in column 10A, the amount of commissions earned during a period as close to the pay period reported as possible, and in columns 10B and 10C, the beginning and ending dates of the period during which the commissions were earned. If commissions are paid at longer intervals, enter the total commissions paid since the last report and the beginning and ending dates of the period during which they were earned. Column 11. H O U R S .—Enter the sum of (1) hours worked (including overtime hours) during the pay period by the nonsuper visory employees reported in column 9, (2) hours paid for stand by or reporting time, and (3) equivalent hours for which employees received pay directly from the employer for holidays, vacations, sick leave, or other leave paid to these workers. Do not convert overtime hours or other premium paid hours to straight-time equiv alent hours. BLS Codes S ta te R e p o rt N o . O Form BLS 7 9 0 E B e f o r e e n t e r in g d a t a see e x p la n a t i o n s o n o t h e r s id e In d . L O C A T I O N O F E S T A B L IS H M E N T ( S ) C O V E R E D IN T H IS R E P O R T ( N u m b e r o f e s t a b lis h m e n t s ) ( C it y ) (C o u n ty ) (S ta te ) T h e B u r e a u o f L a b o r S t a t i s t ic s a n d t h e S t a t e a g e n c ie s c o o p e r a t in g in its s t a t is t ic a l p r o g r a m s w ill h o ld a ll in f o r m a t io n f u r n is h e d b y t h e r e s p o n d e n t in s t r ic t c o n f id e n c e . P A Y P E R IO D Year and m o n th E n t e r b e g in n in g a n d e n d in g d a te s o f p a y p e r io d w h i c h in c lu d e s t h e 1 2 t h o f th e m o n th F r o m — ^ T h ro u g h (1) (2 ) (3) D u r in g t h e 7 co n secu D u r in g t iv e d a y t h e e n t ir e p e r io d pay w h ic h in p e r io d c lu d e s t h e 12 th (5) (4 ) NUM BER DO NOT USE I n c lu d e a ll p e r s o n s w h o w o r k e d d u r in g o r re c e iv e d p a y f o r a n y p a r t o f p e rio d r e g a r d le s s o f t y p e o f w o rk p e rfo rm e d B o th sexes L /P W o m e n o n ly E n t e r in th e s e c o l u m n s t h e n u m b e r o f n o n s u p e r v is o r y e m p lo y e e s w h o w o r k e d d u r in g o r r e c e iv e d p a y f o r a n y p a r t o f t h e p e r io d r e p o r t e d , t h e p a y e a r n e d ( b e f o r e d e d u c t io n s b u t e x c lu d i n g c o m m is s io n s ) , a n d a ll h o u r s w o r k e d o r p a id f o r . I n c lu d e p a y a n d h o u r s f o r o v e r t im e , s ic k le a v e , h o li d a y s , a n d v a c a t io n s N u m b e r of n o n su p e r v is o r y e m p lo y e e s N o n s u p e r v is o r y e m p lo y e e p a y r o ll ( e x c lu d in g c o m m is s io n s re p o r t e d in c o l . 1 0 A ) T o ta l n o n su p erv is o r y -e m p lo y e e ho urs C o m m i s s io n s o f n o n s u p e r v is o r y e m p lo y e e s A m o u n t of c o m m is s io n s (O m it c e n ts) (O m it fr a c tio n s ) P e r io d in w h ic h earne d F r o m — !T h r o u g h (8 ) (10 ) (9 ) 19 7 5 D ec. $ (10 C ) (10 B ) (10 A ) (ID P .R . H. E x p l. code ( 10 x ) ( llx ) (12 ) (B o th d a te s in c lu s liv e ) (O m it c e n ts ) (7) (6 ) DO N O T USE $ 19 7 6 Jan . Feb. M a r. A p r. M ay Ju n e J u ly — — — — — — Aug. S e p t. O ct. — N ov. -------- ------------------------------------ — — — — D ec. . Y O U R C O M M E N T S O N C H A N G E S IN E M P L O Y M E N T , P A Y R O L L , O R W A G E R A T E S E n t e r in c o l u m n 1 3 t h e m a in f a c t o r s r e s p o n s ib le f o r s ig n if ic a n t m o n t h -t o -m o n t h c h a n g e s in t h e r e p o r t a b o v e . E x a m p le s a r e : W a g e r a te in c r e a s e , m o r e b u s in e s s , fir e , te m p o r a r y s u m m e r h e lp , o v e r ti m e , s tr ik e , w e a th e r . I f a n y G E N E R A L W A G E - R A T E C H A N G E S ( n o t in d iv id u a l c h a n g e s fo r le n g th o f s e r v ic e m e r it , o r p r o m o t i o n ) h a v e o c c u r r e d s in c e la s t m o n t h 's r e p o r t , n o t e t h e a m o u n t o f in c r e a s e o r d e c r e a s e (a s + 2 % , —5 £ ) , th e t h e e f f e c t iv e d a t e o f t h e c h a n g e , a n d t h e a p p r o x im a t e n u m b e r o f n o n s u p e r v is o r y e m p lo y e e s a f f e c t e d . (13 ) (13 ) 19 7 6 Jan 19 76 Feb. Ju n e M a r. Jul M av A p r. (Person to be addressed S e D t. O ct. N ov. V Aug. if questions arise regarding this report) (13) 19 7 6 D ec. (Position) (Telephone No.) BLS H ANDBO O K OF METHODS (B o th d a te s in c lu s iv e ) N O N S U P E R V IS O R Y E M P L O Y E E S A L L EM PLO YEES E n te r th e n u m b e r of d a y s w o r k e d p lu s p a id h o l i d a y s a n d p a id v a c a t io n d a y s f o r m a jo r it y o f n o n s u p e r v is o r y e m p l o y e e s. ( N e a r e s t Va d a y ) E M P L O Y M E N T , H O U R S , A N D E A R N IN G S BLS 790 Industry Class Supplement 41 O ffic e of M a n a g e m e n t and Budget No. 44-R745 M A N U F A C T U R IN G U .S. D E P A R T M E N T OF R e t u r n th is f o r m L A B O R B U R E A U O F LA B O R STA TISTIC S W A S H I N G T O N , D .C. A p p r o v a l e x p ires Ja n u a r y 3 1 , 19 7 8 S T A T E M E N T OF PRODUCTS as s o o n a s p o s s i b l e in t h e en closed e n v e lo p e w h ich req u ires n o p o s ta g e . 20212 SAMPLE COPY T h e B u re a u o f L a b o r S tatistics an d in its s t a t is t ic a l the S ta te a gen cies c o o p e r a tin g p r o g r a m s w i l l h o l d all i n f o r m a t i o n f u r n i s h e d b y t h e r e s p o n d e n t in s t r i c t c o n f i d e n c e . L O C A T IO N (C ity) (C ou n ty) BLS CODES Ul P roposed S IC State R eport N o. 1967 SIC E m p l. Codes ID E N T IF IC A T IO N Su pp l. C od es Yr. M o. Account No. 1967 SIC 1972 SIC T h is r e p o r t w ill b e u sed t o in s u re t h e p r o p e r in d u strial c la s s ific a t io n o f y o u r reg u la r M O N T H L Y (S tate) Aux. R E PO R T 1967 S IC 1972 SIC Own O N E M PL O Y M E N T , P A Y R O L L , A N D H O U R S and sh o u ld c o v e r th e e n tire a c tiv ity o f th e sa m e esta b lish m en t. C la s s if ic a t io n w i l l b e b y in d u s t r y o n t h e basis o f t h e p r in c ip a l p r o d u c t o r a c t i v i t y o f y o u r e s t a b l i s h m e n t d u r i n g th e c a le n d a r y e a r 1 9 7 5 . D e s c r i b e y o u r p r o c e s s e s or goods produced i n y o u r o w n w o r d s , m a k i n g t h e d i s t i n c t i o n s r e q u e s t e d o n t h e l i s t o f s p e c i a l c h a r a c t e r i s t i c s p r o v i d e d o n t h e e n c l o s e d s h e e t . T h i s l i s t is n o t c o m p le te b u t rep resen ts th e k in d o f in fo r m a t io n w h ic h sh o u ld b e rep o rte d . PRINCIPAL PRODUCTS OR ACTIVITIES DURING 1975 (List items separately) (a) 1A. Manufacturing (Specify below) Percent of total sales value or receipts during 1975 (b) PRINCIPAL MATERIALS USED (For each product listed in column (a)) (c) Was material used produced in this establish ment? (d) No Yes % % % % % 1B. Nonmanufacturing (Specify below) 4. % % % C o m b in e d T o t a l 100% 2. Type of ownership (check one) □ Private D Government □ Corporate □ Federal □ Non-corporate □ State □ Local 3. Is this establishment part of a multiunit company? (To be completed only by reporters in the private sector.) □ Yes □ No If "Yes,” enter name and location of controlling company? (P e rs o n to b e addressed i f q u e s t i o n s aris e r e g a r d i n g t h i s r e p o r t ) Is the establishment primarily engaged in performing services for other units of the company? □ Yes □ No If "Yes," indicate nature of activity of this establishment: 1. □ Central administrative office 2. □ Research, development, or testing 3. D Storage (warehouse) 4. □ Other (Specify , powerplant, etc.) 5. Union Status: Are the majority of production workers in this establish ment covered by collective-bargaining agreements? D Yes 1 D No 2 6. Space for your comments. (P ositio n ) (T elep h on e N o .) 42 BLS H ANDBOOK OF METHODS Technical R eferences N um ber N um ber 1. A rm k n e c h t, Paul A . J r ., “ The S p e n d a b le E a r n in g s S e r ie s ,” C a lc u la t io n and U ses o f th e M o n th ly L a b o r R e v ie w , 1962, p p . A p ril A 1966, p p . 4 0 5 -4 0 9 . 2. B L S e m p lo y m e n t b e n c h m a r k s . E a r l y , J o h n F . , “ F a c t o r s A f f e c t i n g T r e n d s in R e a l S p e n d a b l e M o n th ly L a b o r R e v ie w , E a r n in g s ,” 3. E a r ly , 4. G o in g s , John F ., “ In tr o d u c t io n E m p lo y m e n t a n d E a r n in g s , G lo r ia , “ B L S M ay of 9. 1 97 3, p p . 1 6 - 1 9 . D iffu s io n M a r c h 197 4 B e n c h m a r k L e v e l s , ” E s tim a te s R e v is e d The E ffe c t of b le e a rn in g s a n d re a l p e r c a p ita d is p o s a b le in c o m e . E m p lo y m e n t a n d E a r n in g s , 10. N o te th e Tax R e d u c tio n Act of A 11. J u n e 1975, p p . 9 - 1 5 . M o n th ly L a b o r R e v ie w , d e s c r ip tio n o f th e use W e in b e r g , E d g a r, “ B L S A E m p lo y m e n t a n d E a r n in g s d is c u s s io n o f th e u s e o f B L S 12. W y m e r , J o h n P ., “ T h e R e v is e d a n d E x p a n d e d P r o g r a m o f C u r r e n t P a y r o ll E m p lo y m e n t S t a t is t ic s ,” in g s , S t a t is t ic s , p lo y m e n t, 196 2. to A p p r a is e c o n c ep ts used J u ly 195 2, p p . 5 7 - 5 9 . a v e r a g e h o u r ly e a rn in g s ro rs. p lo y m e n t and 1969, p p . E a r n in g s S e rie s a s A p p lie d to P ric e M o n th ly L a b o r R e v ie w , p a r tic u la r r e fe r e n c e to s c r e e n in g e m p lo y e r s ’ re p o rts f o r e r P r e s id e n t ’ s C o m m it t e e F eb ru ary s e r i e s in e s c a l a t i o n c l a u s e s in c o n t r a c t s . d a t a -p r o c e s s in g A E m p lo y m e n t a n d U n e m E m p lo y m e n t a n d E a r n N o v e m b e r 1 96 1, p p . i v - v i i . d e s c r ip t io n o f the im p a c t o f a m a jo r b e n c h m a r k a d ju s t m e n t a n d o f i m p o r t a n t t e c h n ic a l i n n o v a t i o n s o n t h e i n d u s t r y M e a s u r in g E m p lo y m e n t a n d U n e m e m p l o y m e n t s t a t i s t ic s s e r i e s . A c o m p r e h e n s i v e r e v i e w a n d c rit iq u e o f th e m e t h o d s a n d by v a rio u s F ed e ra l G o v e rn m e n t program s p r o v i d i n g s t a t i s t ic s o n e m p l o y m e n t , u n e m p l o y m e n t , a n d t h e l a b o r f o r c e in t h e U n i t e d S t a t e s . 8. its C a l c u l a t i o n , ” E s c a la t io n ,” M a y 1 95 5, p p . 5 6 7 - 5 6 9 . o f e le c t r o n ic e q u i p m e n t in t h e p r e p a r a t i o n o f e m p l o y m e n t s t a t i s t ic s , w i t h 7. on 11- 2 1 . 1 9 7 5 ,” M e n d e l s s o h n , R u d o l p h C . , “ M a c h i n e M e t h o d s in E m p l o y m e n t S ta t is t ic s ,” U t t e r , C a r o l M . , “ T h e S p e n d a b le E a r n in g s S e r ie s : A T e c h n ic a l M o n th ly R e p o r t o n th e L a b o r F o r c e , E m p lo y m e n t a n d E a r n in g s , 6. A p r i l 197 1, p p . 3 - 1 4 . to G r i m e s , J a n e t , “ C h a n g e s in t h e S p e n d a b l e E a r n i n g s S e r i e s f o r 1975: M o n th ly L a b o r R e v ie w , A n e x a m i n a t i o n o f t h e d i v e r g e n t t r e n d s in r e a l n e t s p e n d a D e c e m b e r 1 97 4, p p . 7 - 1 1 . E s t a b lis h m e n t S c h w a b , P a u l M . , “ T w o M e a s u r e s o f P u r c h a s in g P o w e r C o n t r a s t e d ,” In d e x e s ,” O c t o b e r 1975, p p . 8 - 1 3 . 5. 1 3 8 5 -1 3 9 2 . d e t a ile d d e s c r ip t io n o f th e s o u r c e s a n d c o n s t r u c t io n o f M o n th ly L a b o r R e v ie w , Y o u n g , D u d le y E . a n d S id n e y G o ld s t e in , “ T h e B L S m ent D ecem ber S e rie s and M a n u fa c t u r in g M o n th ly L a b o r R e v ie w , A S c h e c h t e r , S a m u e l , “ T h e 1 95 9 B e n c h m a r k s f o r t h e B L S P a y r o l l E m p lo y m e n t S t a t is t ic s ,” 13. R e p o rtin g N o v e m b e r 1957, p p . E m p lo y P ra c tic e s ,” 1 3 6 7 -7 1 . d i s c u s s i o n o f t h e f i n d i n g s in a s u r v e y a n a l y z i n g t h e r e s p o n s e p a t te r n s o f m a n u fa c t u r in g e s t a b lis h m e n t s c o o p e r a t in g in t h e i n d u s t r y e m p l o y m e n t s t a t i s t ic s p r o g r a m . Chapter 4 . Labor Turnover D escription of the S urvey B ackground L a b o r tu rnover, as used by the Bureau o f L a b o r L a b o r turnover actions are divided into tw o broad Statistics, refers to the gross m ovem en t o f w age and groups: accessions or additions to em ploym ent, and salary w orkers into and out o f em ploym en t status with separations or term inations o f em ploym ent. Th ese tw o broad groups are further divid ed; accessions into new respect to individual establishments during the month. T h e labor tu rnover program has been in existence fo r many years. In January 1926, the M etropolitan L ife Insurance C o. began the co llection o f labor turnover data fro m a sm all sam ple o f manufacturing estab lishments. B y Febru ary 1927, the sample included 175 establishments with 800,000 em p loyees, which w as es timated to be about 8 to 10 percent o f total manufactur ing em ploym en t at the tim e. T h e original purpose o f this series was to provid e personnel managers with national figures on labor tu rnover rates fo r manufacturing indus tries against which they could measure the experience o f their ow n plants. B etw een N o v e m b e r 1927 and July 1929, the M etrop olita n L ife Insurance C o. published labor tu rn over rates fo r total manufacturing. B y the latter date, the com pany felt the project was sufficiently successful and w ell established to warrant turning it o v e r to the Bureau o f L a b o r Statistics fo r further de velopm ent. A decade later, in D ecem b er 1939, series on hires, recalls, and other accessions, and separations into quits, discharges, la yoffs, and other separations. L a b o r tu rnover is expressed in the B L S series as a m onthly rate per 100 em ployees. Separate rates are com puted fo r each o f the com ponent items. Th e prim ary differen ce betw een types o f separations is w hether action is initiated by the em ployee or em p lo yer, i.e., w hether it is voluntary on the e m p lo y ee’ s part or involuntary. V olu n tary a c tio n s - q u its - a r e in itiated by the em p loyee fo r an almost unlimited variety o f reasons, financial, personal, or social, (e.g ., lack o f housing and transportation, p o or com m unity facilities, etc.). In volu ntary actions either may be initiated by the em p loyer or be beyond the control o f both em ployer and em p loy ee; these actions m ay arise from econom ic causes such as business co n d itio n s, p h y sio lo g ica l reasons such as aging, or perform ance reasons such as incom petence. labor tu rn over rates w ere being published fo r 30 man ufacturing industries, and the sample upon w hich the rates fo r all manufacturing w ere based contained 5,500 establishm ents and nearly 2,600,000 em ployees. F o r a number o f years, State em ploym ent security agencies affiliated w ith the E m ploym en t and Training Adm inistration had co llected labor tu rnover inform a tion fo r use in jo b m arket analysis and as a guide fo r the operations o f the State em ploym en t services. C o o p era tive arrangem ents b etw een these agencies and the Bureau o f L a b o r Statistics fo r the jo in t collection o f labor tu rnover data began with an agreem ent with C on necticut in 1954. B y 1964, the coop era tive program had been extended to c o v e r all 50 States and the D istrict o f sons w ho have quit or been taken o ff the rolls fo r reasons such as la y o ff, discharge, retirem ent, death, m ilitary service exp ected to last m ore than 30 consecu tiv e calen dar days, p h ysical d isa b ility , etc Since J a n u a ry 1959, tra n s fe r s o f e m p lo y e e s to o th e r establishments o f the same com pany also have been classified as separations. Quits are term inations o f em ploym ent initiated by em ployees fo r any reason excep t retirem ent, transfer to another establishment o f the same firm , or service in the Concepts Separations are term inations o f em ploym ent o f per Colum bia. B y 1975, h o w eve r, three States — C a lifo r A rm ed F orces. Included as quits are persons w ho failed nia, N e w M e x ic o , and W est V irgin ia — w ere no longer to report after being hired ( if p reviou sly counted as participating in the cooperative program, and labor turn accessions), and unauthorized absences which, on the last day o f the month, have lasted m ore than 7 consecu tive calendar days. o v e r inform ation fo r sample establishments in these three States was being co llected by the B L S . In June 1975, these agencies published about 8,700 L ayoffs are suspensions from pay status (lasting or labor tu rnover series in manufacturing and mining in ex p ected to last m ore than 7 consecu tive calendar dustries fo r States and areas. Th ese rates w ere based on a sample o f approxim ately 37,000 reports in manufac days), initiated b y the em p loyer without prejudice to the w ork er, fo r reasons such as lack o f orders, model turing and about 800 in mining. ch a n ge-over, term ination o f seasonal or tem porary 43 44 BLS H A N D B O O K O F M E T H O D S em ploym ent, inventory-taking, introduction o f labor sa vin g d e v ic e s , plant b rea k d o w n , or sh ortage o f materials. » D ischarges are terminations o f em ploym ent initiated by the em p loyer fo r such reasons as incom petence, violation o f rules, dishonesty, laziness, absenteeism , insubordination, failure to pass probationary period, etc. O ther separations include terminations o f em p loy ment fo r m ilitary duty lasting or expected to last more than 30 days, retirem ent, death, permanent disability, failure to m eet the physical standards required, and transfers o f em p loyees to another establishment o f the com pany. A c c e ssio n s are all permanent and tem porary a d d i tions to the em ploym ent roll, whether o f new or rehired em p loyees. Transfers from another establishment o f the same com pany also are counted as accessions (b e sample o f establishments drawn from a list o f those subject to State unem ploym ent insurance programs. (S ee chapter 3 p. 26 o f this bulletin.) Th e respondent extracts the figures largely from his personnel records, though some smaller establishments w hich do not main tain special personnel records use their payroll records in making out the reports. R esponse analysis surveys, which analyzed the reporting practices o f a scientifi cally selected sample o f the establishments in the labor turnover panel, show ed that w hile som e em ployers did not report the figures fo r all items precisely as requested on the schedule, the e ffect o f these deviations on the published data appeared to be quite insignificant, par ticularly fo r the broader classes, such as total acces sions and total separations. C ollection M ethods ginning with January 1959). N e w hires are perm anent and tem porary additions to the em ploym en t roll o f persons w ho have n ever before been em p loyed by the establishment, and form er em L a b o r tu rnover data are collected prim arily at the State le v e l by em p loym en t security agencies fro m cooperating em ployers via the medium o f a mailed ployees rehired although not specifically recalled by the em p loyer. This category excludes transfers from other “ shuttle” schedule, U .S . D epartm ent o f L a b o r form 1219. (S e e .pp. 45 and 46 fo r a fa c s im ile o f this establishments o f the same com pany and em ployees returning from military service or unpaid leaves o f schedule.) T h e same form is returned to the respondent each month o f the year fo r the entry o f current data. Th e absence. R ecalls are permanent or tem porary additions to the respondent reports the number o f actions fo r each turn o v e r ite m d u rin g th e c a le n d a r m o n th and to ta l em ploym en t roll o f persons specifically recalled to a jo b in the same establishment o f the com pany fo llow in g a period o f la y o ff lasting m ore than 7 consecu tive days (beginning with 1976). O t h e r a c c e s s i o n s in clu d e all a d d itio n s to the em ploym ent. T h ese em ploym en t figures, w hich are the bases used to com pute the rates, represent the number o f persons w ho w orked o r received pay fo r any part o f the pay period (usually 1 w e e k ) which includes the 12th o f the month. em ploym en t roll other than new hires and recalls. T h e State agency uses the inform ation p rovid ed on the schedule to d ev elo p labor turnover rates fo r the States and fo r m etropolitan areas, and forw ards the data to W ashington, w here they are used by the Bureau o f L a b o r Statistics to prepare rates at the national level. Industry Classification Th e classification system used fo r com piling and pub lishing rates is that described in the 1967 S tan dard Industrial Classification M anual issued by the O ffic e o f M anagem ent and Budget. (S ee appendix B o f this bulle tin fo r a detailed description o f this system .) R ep ortin g establishments are classified on the basis o f m ajor product or activity as determ ined by annual sales data fo r the p re v io u s c a len d a r y e a r. M o s t establishments in the labor tu rnover sample also report em ploym en t, hours, and earnings under the Bureau’ s industry em ploym en t statistics program , and are as signed the same industry classification in both p ro grams. Further discussion o f industry classification in the tw o program s is given under the heading, Industrial C lassification in chapter 3 o f this bulletin. D ata S ources Each month cooperating State em ploym en t security agencies co llect data on labor tu rnover actions from a S am pling Sam pling is used by B L S fo r collectin g data in its labor turnover statistics program , since full co vera g e w ould be proh ib itively costly and time consuming. T h e sampling plan fo r the program must: (a ) P rovid e the preparation o f reliable monthly estimates o f labor turn o v e r rates which can be published prom ptly and regu larly; (b ) through a single general system , yield consid erable industry detail fo r m etropolitan areas, States, and the N a tio n ; and (c ) be appropriate fo r the existing fra m ew ork o f operatin g p rocedu res, adm inistrative prac s, resource availability, and other institutional characteristics o f the program . In d evelop in g the sample design, the universe o f establishm ents w as stratified first b y industry and w ithin each industry by size o f establishment in terms o f em ploym ent. W ithin each industry, an optim um alloca- LABOR TURNO VER 45 O.M.B. No. 44-RI004 D L 1219 Approval expires Jan. 31. 19 7N State Report No. Ind. M ONTHLY REPORT ON U.S. DEPARTMENT OF LABOR Bureau of Labor Statistics and The Manpower Administration Washington, D.C. 20212 LABOR TURNO VER Enter the data requested and return in the enclosed envelope as soon as the informa tion is available each month. __(Change name and mailing address if incorrect—include ZIP code) r n L j The Bureau of Labor Statistics, the Manpower Administration, and the State agencies cooperating in their statistical programs will hold ail information furnished by the respondent in strict confidence. LOCATION _ (fa ta ____ YEAR AND MONTH YEAR AND M ONTH I. LABOR TURNOVER DURING CALENDAR MONTH ALL EMPLOYEES SEPARATIONS (during calendar month) ACCESSIONS (during calendar month) Total separa Total acces New Other Other sions (sum of Through tions (sum of Recalls Discharges Layoffs Quits hires accessions separations cols. 10 - 12) cols. 5 thru 8) (12) (10) (5) (6) (7) (8) (3) (4) (U ) (*) PERIOD COVERED (Col. 4 through 12) From- (1) 1975 Dec. 1976 Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. (2) (County) (State) II. EMPLOYMENT (one pay period) DO TOTAL NUMBER NOT who worked during USE or received pay for any part of the pay Expl. period which in cludes the 12th of code the month. (14) (13) III. YOUR COMMENTS Enter main factors responsible for any significant month-to-month changes in SECTIONS I and II. Examples are: more business, strike, fire, weather, temporary summer help, seasonal increases, etc. _______________________________________________________________________ LLD________________________________________________________________________________________ 197 5 Dec. 1976 Jan, Apr. May July Aug. Sept. Oct.. Nov. Dec. Person to be addressed if questions arise regarding this report Position Telephone no. 46 B L S H A N D B O O K O F M ETH O D S INSTRUCTIONS FOR COMPLETING THIS FORM I. LABO R TU R N O V ER PERIOD COVERED -Information on labor turnover, columns 4 through 12, is requested for the most recent entire calendar month specified in column 1, or, if this is not possible, for a period, which most closely covers that calendar month. In either case, enter in column 2 and 3 the beginning and ending dates for the monthly period for which turnover data are reported. SEPARATIONS (ALL EMPLOYEES) Column 10 NEW HIRES -New hires are temporary and permanent additions to the employment roll of (1) anyone who has never before been employed in this establishment, or (2) former employees you did not call back. Persons transferred from other establishments of the company should be reported in “other accessions.” Column 11 RECALLS -Recalls are permanent or temporary additions to the employment roll of persons specifically recalled to a job in the same establishment of the company following a period of layoff lasting more than seven consecutive days. Employees called from a layoff in a different establishment of the company are to be classified as a transfer and reported in column 12 -OTHER ACCESSIONS. Column 4 TOTAL SEPARATIONS -E nter the sum of columns 5 through 8. Column 5 QUITS -A quit is a termination of employment initiated by the employee for any reason except to retire, to transfer to another establishment of the same firm, or for service in the Armed Forces. Include a person who fails to report after being hired (if previously counted as an accession) and an unauthorized absence if on the last day of the month the person has been absent more than 7 consecutive calendar days. Column 6 DISCHARGE -A discharge is a termination of employment initiated by the employer for such reasons as incompetence, violation of rules, dishonesty, laziness, absenteeism, insubordination, failure to pass probationary period, etc. Inability to meet organization’s physical stan dards should be reported in other separations, column 8. Column 7 LAYOFFS -A layoff is a suspension from pay status (lasting or expected to last more than 7 consecutive calendar days without pay) initiated by the employer without prejudice to the worker for such rea sons as: lack of orders, model changeover, termination of seasonal or tem porary employment, inventory-taking, introduction of labor saving devices, plant breakdown, shortage of materials, etc.; include temporarily fur loughed employees and employees placed on unpaid vacations. Column 8 OTHER SEPARATIONS -Include only terminations of em ployment for military duty lasting or expected to last more than 30 calen dar days, retirement, death, permanent disability, failure to meet required physical standards, and transfers of employees to another establishment of the company. NOTE: If you include any other types of separations in this column, mention the number and type under Comments. Employees in volved in labor-management disputes should not be counted as separations. Column 12 OTHER ACCESSIONS -Include all additions to the employ ment roll other than new hires and. recalls. This includes transfers from other establishments of the company, and former employees returning from military leave or other absences without pay who have been counted as separations. Employees involved in labor-management disputes should not be counted as accessions when they return to work. II. EM PLOYMENT PERIOD COVERED-Employment information, column 13 is requested for one pay period (preferably one week) which includes the 12th of the calendar month for which labor turnover data are reported. Column 13 TOTAL NUMBER -E nter the total number of persons on the payrolls of the establishment(s) covered in this report who worked full- or part-time or received pay for any part of the pay period (preferably one week). Include salaried officers of corporations, executives and their staffs, and employees engaged in force-account construction but exclude proprietors, members of unincorporated firms, and unpaid family workers. Include persons on vacations and sick leave if they received pay directly from your firm for the pay period covered. Exclude persons on leave without company pay the entire period and pen sioners and members of the Armed Forces carried on the rolls but not working during the pay period covered. ACCESSIONS (ALL EMPLOYEES) Column 9 TOTAL ACCESSIONS -A n accession is any permanent or tem porary addition to the employment roll whether of new or former em ployees, or transfers from another establishment of the company. Enter in column 9 the sum of columns 10 thru 12. Employees involved in labormanagement disputes should not be counted as accessions when they re turn to work. III. COM M ENTS Column 15 YOUR COMMENTS -E nter the main factors responsible for significant month-to-month changes in Labor Turnover (columns 4 through 12) and Employment (column 13). LABOR TURNOVER tion design was obtained by sampling with probability proportionate to average size o f em ploym ent within each o f the strata. Th e total size o f sample regarded as n e c e s s a r y to p r o d u c e s a t is fa c t o r y e s tim a te s o f em ploym ent was distributed am ong the size cells on the basis o f average em ploym en t per establishment in each cell. In practice, this is equivalent to distributing the predeterm ined total number o f establishments required in the sample am ong the cells on the basis o f the ratio o f em ploym en t in each cell to total em ploym ent in the industry. W ithin each stratum, the sample members are selected at random. U n d er this type o f design, large establishments fall into the sample with certainty. Establishments with 250 or m ore em ployees are included in the sample with certainty, although in som e cases the cu to ff is low er. T h e sizes o f the samples fo r various industries w ere determ ined em pirically on the basis o f experience. Th e sample design, although aim ed prim arily at m eet ing the needs o f the national program , provides a tech nical fram ew ork within w hich State and area sample designs can be determ ined. Since, h o w eve r, the rates fo r States and areas are not generally prepared at the same degree o f industry detail as the national rates, the national design usually provid es sufficient reports fo r the preparation o f State and area ra tes.1 E stim ating P ro ced u res L a b o r tu rnover rates are estim ates o f ratios. F o r individual industries, tu rn over rates are com puted by divid in g the number o f tu rnover actions o f each type, as reported by the sample establishments, by the total num ber o f em p lo y ees rep orted by those establish ments. T h e result is multiplied by 100. In an industry sam ple, fo r ex a m p le, 623 em p lo y ees quit b etw een January 1 and 31, w h ile 30,062 em ployees w orked or re ceived pay during the w eek o f January 11-17. Th e January quit rate fo r the industry is: T u rn o ver rates fo r industry groups are com puted by 47 Seasonally Adjusted Series M any econ om ic statistics, including labor turnover rates, reflect a regularly recurring seasonal m ovem ent which can be measured on the basis o f past experience. B y elim inating that part o f the change which can be ascribed to usual seasonal variation, it is possible to observe the cyclical and other nonseasonal m ovem ents in these series. Seasonally adjusted labor tu rnover rates are published at the all manufacturing industry level. L a b o r turnover rates are seasonally adjusted by ap plying appropriate seasonal factors to the rate. Th ese factors are derived by the Census X -l 1 method using the trading day option. A s a result, these series are adjusted fo r the number o f tim es each day o f the w eek occurs in a given month, as w ell as fo r the month o f the year. P resen tatio n T h e B L S publishes, on a national basis, monthly series o f labor tu rnover rates fo r selected industries. Th ese series are currently published fo r the manufac turing division , the durable and nondurable goods sub divisions, 21 m ajor industry groups in manufacturing, 191 in d iv id u a l m a n u fa c tu rin g in d u s trie s , and 7 categories in mining and com m unications. Rates are available fo r all manufacturing from January 1930 and fo r telephone and telegraph from 1943. F o r industry groups and individual industries in the manufacturing and mining divisions, all series begin with January 1958. Rates fo r certain highly seasonal industries, fo r exam ple canning and preserving, are not now published separately but are included in the com putation o f rates fo r the m ajor m anufacturing groups. B efore 1958, these industries and the printing, publishing and allied indus tries m ajor group w ere not included in the rates fo r all m anufacturing. Th e rates fo r all m anufacturing fo r years prior to 1958 w ere revised, h o w eve r, to reflect the influence o f these industries. M onth ly rates fo r total accessions, new hires, total separations, quits, and la yo ffs are shown fo r manufac turing and mining industries. E xcept fo r the new hire rates, the same items are published fo r the telephone and telegraph industries. w eigh ting the rates fo r the com ponent industries by the Prelim in ary tu rnover rates fo r the 21 major industry estim ates o f total em ploym en t, prepared b y the B L S groups in manufacturing are published m onthly in a industry em ploym en t statistics program . Th ese esti mates, w hich c o v e r the pay period including the 12th o f B L S press release about a month after the reference month, and in the M onthly L a b o r R e v ie w 3 months after the month, are described in chapter 3 o f this bulletin. Rates fo r “ all m anufacturing” and fo r the durable and the referen ce month. Prelim inary turnover rates for nondurable goods subdivisions o f manufacturing are both detailed industries and broad categories are pub lished in E m p lo y m e n t a n d Earnings about 2 months w eigh ted b y em ploym en t in the m ajor industry groups. after the month o f reference. ^ o r the national sam p le, additional reports n eed ed for S tate and area sam p les are added to th o se required by the national design . selected States and m etropolitan areas are published each month in E m p lo y m e n t a n d Earnings. M o re d e L a b o r tu rn o v e r rates fo r all m a n u fa ctu rin g fo r 48 BLS HANDBOOK O F M ETHODS tailed inform ation is available in releases issued bv the cooperating State agencies. National labor turnover rates (m onthly data and an nual averages) back to the beginning o f each series are published in the annua! volum e called Em ploym ent ami Earnings, U nited S tates, N e w editions o f this volum e are published annually, fo llo w in g each adjustment o f the B ureau’ s industry em ploym en t statistics series to new benchmark levels. Uses and Lim itations T h e tw o m ajor causes o f change in labor turnover rates are industrial expansion and contraction. In pros perous times, quit rates and new hires are high because o f jo b availability; in periods o f econom ic recession, high la y o ff rates are coupled with lo w quit and acces sion rates. T u rn o ver rates are, therefore, regarded as go o d eco n om ic indicators and are w id ely used by econ om ic analysts in both governm en t and private in dustry. L a b o r tu rnover rates by industry are also valuable fo r personnel planning and analysis. E m ployers use these rates as a yardstick against which to measure the per form ance o f their plants. F o r exam ple, they consider lo w quit rates to be an indication o f efficien t operations and g o o d labor-m anagem ent relations. A consideration o f turnover is essential fo r scheduling production and fo r planning the orderly recruitm ent and maintenance o f an adequate m anpow er supply. L a b o r turnover rates are also w id ely used by State em ploym ent services to plan and appraise their operations. The use o f turnover rates to interpret changes in the B L S monthly em ploym ent series is limited fo r the fo l low ing reasons: (1) Th e labor tu rnover series measures changes during the calendar month, w hile the em p lo y ment series measures changes from midmonth to m id month ; and (2) em ployees on strike are not counted as tu rn over actions, although such em p loyees are e x cluded from the em ploym en t estim ates if the w ork stoppage lasts throughout the report period including the 12th o f the month. Th e Bureau publishes annual averages o f labor turn o v e r rates, w hich are com pu ted as the arithm etic means o f the 12 m onthly rates. Th ese can p rovid e a useful measure if a 1-month rate is not suitable fo r some purposes, as fo r exam ple when the rate fo r a specific month is considered to be unusual or a ffected strongly by seasonal in flu ences.2 2 B ecau se they are liable to m isinterp retation , the Bureau d o e s not prepare cum ulative annual rates o f labor turnover. F or ex a m p le, an annual quit rate could be obtained by d ividing the total num ber o f quits during the year by average em p loym en t during the year. A n approxim ation o f this figure can be obtained b y cum ulating the 12 m onthly rates. Su p p ose the annual rate thus obtained am ounted to 50 per 100 em p lo y ee s. T his m ight seem to im ply that 50 percent o f all em p lo y ees in January voluntarily left their jo b s by the end o f D e cem b er. H o w e v er , m any jo b s in a given estab lish m en t are vacated and refilled m ore than o n ce during the year. T he Bureau d o e s not have inform ation on the num ber o f em p lo y ees w h o rem ained w ith the estab lish m en t during the entire year. O ver short period s o f tim e, labor turnover rates probably include relatively little rep etitive counting o f e m p lo y ees w h o h ave held the sam e jo b s , w h ile o v er a period o f as lon g as a year there is con sid erab le d u plication. C h a p te r 5. O c c u p a tio n a l O u tlo o k B a ckgro und The occupational outlook program stem s from a re port of the A dvisory C om m ittee on Education ap pointed by President R oosevelt. In 1938, the com m ittee recom m ended that an occupational outlook service be set up in the Bureau of Labor Statistics to conduct em ploym ent studies and provide career guidance in form ation for individuals and for the use of those re sponsible for planning education and training program s. In 1941, the O ccupational Outlook Service was o r ganized under a specific authorization of the Congress. Although prelim inary studies were begun in 1941, it was not until after World W ar Ii that the occupational out look staff was able to focus its efforts on the preparation of occupational reports for use in career guidance. In m id-1946, a manual of occupational outlook inform a tion was prepared for use in the V eterans A dm inistra tion (VA) counseling and rehabilitation program . T h e firs t ed itio n o f the O c c u p a tio n a l O u tlo o k H andbook was published in 1949 in response to a formal resolution by the National Vocational Guidance As sociation, as well as the requests of other groups and private individuals calling upon the Congress to au thorize the developm ent of career guidance inform ation fo r sale. T he public reacted favorably to the first H a ndbook and the Bureau decided to issue in 1951 a revised and enlarged edition with the backing of the V eterans A dm inistration. A fter the end of hostilities in K orea, there was a sharp increase in public recognition of the key role o f voca tional guidance in channeling w orkers into essential occupations and effectively using the N ation’s labor resources. As a result, in 1955, Congress provided for publication o f the O ccupational O utlook H andbook and its related m aterials on a regular, continuing, up-to-date basis. In 1957, the third edition of the O ccupational O utlook H andbook was published; also in that year, the O ccupational O utlook Quarterly was introduced as a com panion piece to the H andbook to report on the em ploym ent outlook in emerging occupations and to describe changes in the em ploym ent situation in estab lished career fields. The cu rrent, 1976-77 H andbook is the twelfth edi tion o f this m ajor product of the occupational outlook program . Description of Program T hrough the o ccu p atio n al outlook program , the Bureau o f L ab o r Statistics conducts research in, and produces inform ation on, future occupational and in dustrial em ploym ent requirem ents and resources. The program provides inform ation on em ploym ent oppor tu n itie s by o c c u p a tio n fo r use by c o u n s e lo rs , educators, and others helping young people choose a field o f work, it also provides inform ation for local and national training authorities for use in developing pro grams of education and training. The results of the re search are published in the O ccupational O utlook H a n d b o o k, the O ccupational O utlook Quarterly, and special bulletins, reports, and pam phlets. Through the years, the occupational outlook program system atically has accum ulated, analyzed, and distri buted considerable inform ation about changing indus try and occupational needs. R esearch topics have in cluded assessm ents of em ploym ent trends in m ajor in dustries and occupations, as well as investigations into the em ploym ent effects of a great num ber of long-term program s of governm ent agencies, including loose for defense, highways, m ass transit, scientific research, pollution abatem ent, space technology, medical care, and education. The program ’s m ajor function of anticipating and reporting on the nature of tom orrow ’s job m arket in cludes developing projections of em ploym ent require m ents for broad industry and occupational groups. These data are published regularly,1 and when com bined with the exam inations of more detailed jo b areas presented in the O ccupational O utlook H andbook, constitute a fairly thorough labor force coverage. M ost career descriptions published in the Occupa tional Outlook H andbook include inform ation on: N a ture of w ork, places of em ploym ent, education and training requirem ents, em ploym ent outlook for about 10 years ahead, and earnings and working conditions. The outlook statem ents for industries give information on the nature and location of each industry as well as a discussion of the industry’s m ajor occupations In presenting the em ploym ent outlook for an o ccupa tion, inform ation is led on the dem and for w ork ers and also on poteu apply. Persons enter the job m arket from many sources— schools and other training institutions, tran sfers from o th er occupations, and reentries to the labor force. It is the balance between supply and dem and that determ ines the nature of job com petition facing young people in the years ahead. 1O c c u p a tio n a l M a n p o w e r a n d T r a in in g N e e d s , B L S T h e U .S . E c o n o m y in 1 9 8 5, B L S B u l l . 1 8 0 ° B u ll. 1824. S e e a ls o , 49 50 BLS HANDBOOK OF METHODS In addition to overall labor force and detailed indus try and occupational projections d evelop ed for the H a n d b o o k , special em ploym ent and training studies are prepared as part o f the occupational outlook program. T hese provide inform ation, generally narrower in scope and greater in depth than in the H andbook on such labor force topics as the dem and for w orkers with a Ph.D . d egree and a n a ly se s o f th e current and p rojected em ploym ent situations for scien tists and engineers, tech n icia n s, and w orkers in library and com puter o ccu p a tio n s.2 Other special studies provide technical inform ation to assist em ploym ent researchers in other agencies and outside o f governm ent, or are offered as guidance to th ose establishing training programs in both the public and private sectors. A prime topic o f such studies is the supply o f skilled labor for particular o ccu pations. The occupational ou tlook program has issued a special report on the status o f labor supply research m ethods and regularly publishes data on training com pletions by field o f stu d y .3 Sources of Data The occupational ou tlook staff u ses a variety o f data sou rces in d evelop in g em ploym ent p rojections and other em ploym ent inform ation. The basic statistics on current and past em ploym ent in occup ation s are from the Bureau o f Labor Statistics Current Population Sur v ey (CPS). T hese data, collected m onthly by the C en sus Bureau for B L S , outline em ploym ent with occup a tional definitions used in decennial cen su ses. This rela tionship b etw een CPS and C ensus data con cep ts allow s one series to com plem ent the other. The C ensus pro vides reliable benchm ark estim ates each 10 years, while occupational m ovem en t in the intervals b etw een cen su ses are gauged through the CPS program. The Bureau o f Labor S tatistics also produces the major source o f industry em ploym ent data used in the occupational outlook program. The B ureau’s Current E m ploym ent Statistics program reports on industry em ploym ent lev els in E m ploym ent and Earnings, a monthly B L S publication. W hen th ese industry data are system a tica lly com bin ed w ith C P S /C en su s o ccu p a tional data as w ell as data from a num ber o f alternate sources for selected industries and occup ation s, the result is a com p reh en sive set o f data on industryoccupational relationships or patterns. (T hese patterns are th e su b ject m atter o f the B u r ea u ’s IndustryO ccupational Matrix program d escribed later under M ethods o f A n alysis and also the subject o f chapter 6 in this H a n d b o o k.) A num ber o f alternate data sources also are used to m easure em ploym ent. T he O ccupational E m ploym ent Survey, initiated by the Bureau in 1971, obtains wage and salary establishm ent em ploym ent data by occupa tion. (S ee chapter 7 for a description o f this program.) Scientific and technical personnel surveys conducted by the Bureau contain detailed inform ation on scien tists, engineers, and tech n ician s.4 T he C ensu ses o f B usin ess and M anufacturing published by the C om m erce D epartm ent provide additional industry detail. Information from the Civil S ervice C om m ission is used for data on F ed eral G o v ern m en t w ork ers. T h ese sou rces o f occu p ation al and industry em ploym ent statistics are further augm ented by data from Federal regulatory agen cies, such as the Federal A viation A d m inistration and Interstate C om m erce C om m ission. In som e ca ses, em ploym ent and other data are obtained from unions, industrial firm s, trade association s, and p ro fessio n a l so c ie tie s . In g en eral, h o w ev e r, th ese statistics serve to estim ate em ploym ent in fields not covered by governm ent surveys. In developing analyses o f past and projected changes in em ploym ent requirem ents — w hich will be described later — the outlook program u ses statistics o f output, hours o f w ork, and output per worker hour. The major sources o f th ese data are Bureau o f Labor Statistics studies o f productivity and technological developm ent, Federal R eserve Board production in d exes, and U .S . Departm ent o f C om m erce output data from the A n n u a l S u r v e y o f M a n u fa c tu r e s and th e C e n su s o f M anufacturers . Industry association s and unions also may provide similar statistics. E stim ates o f the past and probable future supply o f workers use different sources o f inform ation. U .S . Of fice o f E ducation data on graduates from high sch ools, junior or com m unity co lleg es, and 4-year colleges and universities, as w ell as Bureau o f A pprenticeship and Training statistics on apprenticeship, provide input into the supply analysis. H ow ever, there are m any gaps in the available data. The outlook program u ses informa tion from a num ber o f other sou rces, often research o f a one-tim e nature, to study the supply o f trained workers. A m ong th ese sources are the occupational m obility studies and tables o f working life d evelop ed by the Bureau o f Labor Statistics. Further, the program has begun to collect data on training in private industry, w here large num bers o f workers historically have re ceived job sk ills.5 Earnings inform ation that appears in many o f the outlook publications is drawn primarily from w age and earnings surveys conducted by the Bureau o f Labor Statistics. T hese data are supplem ented with informa tion from Federal regulatory agen cies, studies o f union 2Ph.D. Manpower: Employment Demand and Supply, 1972-85, B L S B u ll. 1860; Library Manpower: A Study of Demand and Supply, B L S B ull. 1852; Computer Manpower Outlook, B L S B ull. 1826. 3 Occupational Supply: Concepts and Sources of data for Man power Analysis B L S B u ll. 1816; Occupational Manpower and Train ing Needs, P L S B u ll. 1824. 4 T h e se su r v e y s, fu n d ed b y the N a tio n a l S c ie n c e F o u n d a tio n (N S F ) but d iscon tin u ed in 1970, are b ein g resu m ed b y the B ureau o f the C en su s again w ith N S F su pport. 5 H . J a m e s N e a r y , “ T h e B L S P ilo t S u r v e y o f T r a in in g in In d u stry,” Monthly Labor Review, F ebruary 1974, pp. 2 6 —32. OCCUPATIONAL OUTLOOK w age sca les, and reports by professional so cieties, and other groups. Filling in gaps in the various types o f statistics used is inform ation obtained from (1) personal interview s with em ployers or others clo sely associated with an industry or occupation; (2) reports and interview s with profes sional or trade association s and licensing agencies; (3) union publications and officials; and (4) periodicals, trade journals, annual reports, and related m aterials. Methods of Analysis The projections o f requirem ents and resources de velop ed for the occupational outlook program rely, as indicated ab ove, on input from a w ide variety o f data sources and are derived as part o f a multi-program effort to provide a com preh en sive view o f tom orrow ’s econom y and its industrial and occupational em ploy m ent requirem ents. A broad system atic m ethod o f a n a ly s is is u se d to p ro v id e an o v e r a ll e c o n o m ic fram ework for the occupational and industry projec tions. H o w ev er, ex ten siv e in-depth studies also are prepared both to supplem ent and to ch eck this more global ty p e o f a n a ly sis sin c e m any secto rs o f the econ om y are better studied independently, particularly industries and occup ation s that operate under special conditions or are affected by their ow n com plex set o f factors. C onstruction o f the projection fram ew ork begins w ith the statistics d evelop ed by the Bureau o f the C en sus o f total population in the target year, and its com position by age, se x , and color. T h ese, in term, are used to d ev elo p projections o f the labor force by age, sex , and color on the b asis o f changing labor force participa tion rates for each o f th ese g rou p s. T he changes reflect a variety o f factors, including changing educational stan dards, retirem ent practices, and size o f fam ilies. (S ee “ Projections o f the L abor F o r c e ,’’ chapter 2.) Labor force projections then are translated into the level o f gross national product (G N P) that can be pro duced by a fully em p loyed labor force. G N P is derived by subtracting unem ploym ent from the labor force and multiplying the result by an estim ate o f output per worker in the target year (o f the projection.) A llow ances are m ade for productivity grow th and exp ected changes in hours o f w ork. The n ext step is to distribute this potential growth in real G N P am ong the major com ponents o f G NP: C on sum er and governm ent expenditures, business invest m ent, and net foreign dem and. Projections are then d evelop ed for each o f the major dem and categories, such as the am ount spent by consum ers for food , cloth ing, rent, autom obiles, drugs, co sm etics, trips abroad, m edical ex p en ses, and other good s and services. O nce estim ates are d evelop ed for the product or ser vice to be purchased, the production load is allocated to 51 the various industries w hich m ake the final product and to the interm ediate and basic industries which provide new materials, com ponents, transportation, electric pow er, and other goods and services required in making final products. This is done by m eans o f an input-output table, d evelop ed by the Departm ent o f C om m erce, that show s transactions and effects o f such transactions am ong industries. Estim ates o f production in each industry are then translated into em ploym ent requirem ents by projecting changes in output per em ployee hour in each industry and dividing this figure into outp ut.6 Changes in output per em p loyee are develop ed through studies o f produc tivity and technological trends in all industries. These studies provide inputs to a ssess such things as potential com petition among products, potential em ploym ent and econom ic effects o f new technologies and inven tions, and the effect o f technological change on the occupational structure o f industries. A s an independent check and to develop more de tailed industry em ploym ent projections than allow ed for by input-output tables, a regression analysis is co n ducted relating production and em ploym ent in various industries to the levels o f final demand and other key variables. In addition, the occupational outlook staff c o n d u c ts d eta iled in-depth stu d ies for a selec ted number o f industries. T hese result in projections o f requirem ents based on a regression analysis o f a variety o f e c o n o m ic v a ria b les. R e su lts o f the reg ressio n analysis and input-output m odel are evaluated along with detailed industry analyses to d evelop final industry em ploym ent projections. Projections o f industry em ploym ent requirem ents are then translated into occupational requirem ents. The calculations are made through the use o f occupational com position patterns for all industries in the U nited S ta te s , w h ic h are su m m a riz ed in an in d u str y occupational matrix. This matrix, which is divided into 201 in d u stry s e c to r s , s h o w s th e c o m p o sitio n o f em ploym ent in about 420 occupations. T hese patterns are applied to current em ploym ent estim ates and to projected requirem ents by industry to estim ate current em ploym ent and future requirem ents by occupation. In developing th ese projections, allow ance is made for changing occupational structures based on studies o f the w ay each industry has changed in the past and is likely to change in the future. To arrive at a total for the econ om y, future em ploym ent requirem ents for each occupation are aggregated across all industries. (See The N ational Industry-O ccupational M atrix, chapter 6.) For m any occupations, requirem ents are projected on the basis o f relationships to certain independent variables rather than on proportional representation in each industry. This m ore narrow focus o f analysis is particularly useful w hen projecting em ploym ent re6 F or a m ore detailed d escrip tion o f h o w this industry fram ew ork is d e v e lo p ed s e e , The Structure of the U.S. Economy in 1980 and 1985, B ull. 1831, Bureau o f L ab or S ta tistics, 1975.) BLS HANDBOOK OF METHODS 52 quirem ents for an occupation that is affected by its own com plex set of factors. For exam ple, em ploym ent re quirem ents for autom obile m echanics are projected on the basis of the expected stock o f m otor vehicles and th e ir m ain te n a n c e re q u ire m e n ts , and ele m e n ta ry school teachers on trends in pupil-teacher ratios applied to projected school attendance. Inform ation is col lected on changes in law, buying patterns, technology, governm ent policy, em ployer hiring practices, and other factors and an assessm ent is made of how these changes may affect the dem and for w orkers in various occupations. E m ploym ent projections then are d e veloped b y 'a m ethod tailored to best Fit the available data and the nature of the occupation under study. P rojections developed through these independently conducted studies are then m eshed with other occupa tional d ata in the m atrix. Projections of changes in em ploym ent requirem ents by occupation and industry provide only one part of the needed inform ation on jo b openings to be filled in the years ahead. In m ost occupations the majority of jo b opportunities arise either as a result of experienced w orkers transferring to other occupations, or because o f retirem ents and deaths. To estim ate the total num ber of openings likely to arise in a field, the occupational outlook staff has de veloped a num ber o f working tools that help to describe general patterns of labor force separations. F or exam ple, tables o f working life, which are similar to the actuarial tables o f life expectancy used by insurance com panies, provide a basis for estim ating future rates of r e p la c e m e n ts n e e d s re s u ltin g fro m d e a th s an d retire m en ts.7 T hese in turn are affected by differences in the sex and age distribution of w orkers in a given occupation. To appraise the future em ploym ent situation in an occupation, estim ates also m ust be made of the supply of personnel. This type of analysis is limited to those fields w here the supply is identifiable. Statistics on high school and college enrollm ents and graduations are the chief source of inform ation on the potential supply of personnel in m any professions and in occupations re quiring extensive form al education. D ata on num bers of apprentices and graduates of vocational and technical training program s provide some inform ation on new entran ts into skilled trades. H ow ever, in m any occupa tions, w orkers learn on the jo b , through com pany train ing program s. Special studies of training in industry are now being conducted to account for this source of skil led w o rk e rs.8 N o t all persons who com plete formal training or edu cation in a particular field en ter that field upon com ple tion of : :ir courses. As a result, special surveys also are used to provide additional inform ation qn the actual net supply o f w orkers from a training program o r a field o f study. T hese include studies of em ploym ent plans of college seniors, jo b placem ents of college graduates, and jobs entered after com pletion of governm ent train ing program s, as well as other types of training. The net effects of interoccupational transfers are not known in any system atic fashion. Except for a few occupations where limited data are available, transfers out of an occupation are assum ed to equal transfers in .9 Estim ates of the future dem and in an occupation then are com pared to estim ates of future supply to develop insights into the em ploym ent outlook for various fields of work. This inform ation is provided to policy m akers, educators, and others along with descriptions of the im plications of these relationships. P r e s e n t a t i o n The O ccupational O utlook H andbook is the major p u b licatio n o f the o cc u p atio n al o u tlo o k program . O riented tow ard career guidance, the H andbook is a basic reference source, published every other year, which includes com prehensive and non-technical jo b inform ation on approxim ately 850 occupations and 35 m ajor in d u stries, covering the en tire sp ectru m of w hite-collar, blue-collar, and service occupations. An occupational outlook report series provides reprints of individual statem ents from the H andbook. The O ccupational O utlook Quarterly provides a con tinuous flow of current occupational and job inform a tion betw een editions of the H andbook, together with the m ost recent inform ation available on earnings, training requirem ents, and other related topics. The O ccupational O utlook fo r College G raduates co n tain s in fo rm atio n , ex c e rp te d from the regular H andbook, on m ore than 100 jo b s for which an educa tion beyond high school is necessary or useful. O ccupational M anpow er and Training N eeds, which is published on a regular b asis,10 presents both general and detailed inform ation on the relationship betw een occupational requirem ents and training needs. Two other sets of regularly published m aterials are a series of five Education and Job L eaflets that list jobs that require specific levels of education, and a series of 10 M otivational Leaflets, each of w hich discusses the types of jobs that may be available to persons having an interest or proficiency in a particular academ ic subject or field. In addition to these publications, developed mainly for use in vocational guidance and/or education planning, the occupational outlook program conducts technical and detailed studies on specific occupations and in d u strie s in o rd e r to fu rn ish in fo rm atio n to em ploym ent experts, educational planners, personnel departm ents, and others interested in the m ore tech nical aspects of the N ation’s future em ploym ent needs. 9 W o r k to d e v e lo p m o r e c o m p r e h e n s iv e e s tim a te s o f o c c u p a t io n a l m o b i l i t y c u r r e n t l y is b e i n g c o n d u c t e d b y t h e B L S u s i n g d a t a c o l l e c t e d 7 F o r d e ta ile d in fo r m a tio n s e e 11, for B u lFRASER l. 1 6 0 6 (B u r e a u o f L a b o r Digitized 8 n o T o m o r r o w ’s M a n p o w e r N e e d s , S ta tis tic s , 1 9 6 9 ). V o l. in t h e 1 9 7 0 D e c e n n ia l C e n s u s . 10 F o r t h c o m i n g i s s u e s o f t h i s p u b l i c a t i o n w i l l b e t i t l e d tio n a l P ro je c tio n s a n d T r a in in g D a t a . Occupa C h a p te r 6. N a tio n a l I n d u s tr y - O c c u p a tio n a l M a trix Background The B ureau o f L abor Statistics has developed a com prehensive set of data on the occupational em ploym ent com position of all industry sectors in the econom y. Presently, industry-occupational m atrices are available for 1970, 1974 and 1985. These data are set up to form a m atrix, or table showing estim ated em ploym ent in specific occupations, plus groupings of occupations, cross-classified by industry sector. Thus, the occupa tional p attern o f each industry sector is shown, i,e., the proportion of each occupation to total em ploym ent in an industry. L ooked at another way, the tabulation show s how total em ploym ent in an occu p atio n is distributed by industry. Initially, work on the Industry-O ccupational M atrix grew out of concern by the D epartm ent of Defense for anticipating the econom ic problem s that might arise from various defense program s. The first set of tables related to 1950 and w ere prepared by the Bureau as a p art of the inter-industry program sponsored by the U .S. D epartm ent o f the Air F orce. T hat program was term inated in 1953, but the 1950 m atrix and its succes sors continue to provide the basic inform ation for em ergency em ploym ent planning, now carried on by the F ederal P reparedness Agency. In recent years, a strong interest has developed in determ ining occupa tional needs for other purposes including training new w orkers, retraining w orkers displaced by autom ation, and providing S tate and sub-State occupational infor m ation to high school counselors, em ploym ent c o u n selors, students, and other persons making career deci sions. The Industry-O ccupational M atrix provides a system atic approach to developing the desired inform a tion. Sources of Data D ata for the In d ustry-O ccupational M atrices are brought together from a wide variety of sources. A m ajor source for the developm ent of the 1970 m atrix was the O c c u p a t i o n b y I n d u s t r y report from the 1970 C ensus of Population. The C urrent Population Survey (CPS) is the source for data on total em ploym ent, em ploym ent for broad occupational groups, and for a few large, specific occupations. O ther sources of occu pational em ploym ent d ata included the B ureau of L abor S tatistic’s annual surveys of occupational wage rates in m etropolitan areas and selected industries; reg ulatory agency statistics on em ploym ent by occupation in the telephone, railroad, and air transportation indus tries; U .S. Civil S ervice C om m ission statistics on em ploym ent by occupation in the Federal G overnm ent; statistics on selected professional occupations based on licensing data and m em bership records of professional societies; and surveys of em ployers by the B-ureau and other agencies to obtain estim ates of em ploym ent in a limited num ber of highly im portant occupations such as scientists, engineers, teachers, and policeofficers. Specific estim ates from sources other than the C en sus were incorporated into the cells of the matrix; the remaining details in the matrix were derived by forcing 1970 population census estim ates for detailed cells (published in Occupation by Industry) into agreem ent with control totals for occupational groups and indus tries from sources other than the C ensus. The occupa tional control totals were average annual em ploym ent by occupational group taken from the CPS. M ost of the industry em ploym ent totals were based on BLS esti m ates of private wage- and salary-w orkers adjusted to include the self-ernployed, unpaid family w orkers, and governm ent w orkers, and to exclude the secondary jobs of dual jo b holders. Total em ploym ent in agricul ture and private households was based on CPS esti m ates. The adjustm ents of the m atrix to consistency with CPS estim ates of total em ploym ent and industry em ploym ent estim ates, derived as described above, brings the m atrix for 1970 into agreem ent with data used as the b asis for the B u re a u ’s p ro jectio n s o f total em ploym ent and occupational em ploym ent by indus try. The B u rea u ’s occupational projections are re flected in, and developed in part through, m atrix tech niques. (See section on analysis and uses.) The 1985 m atrix was developed by exam ining a variety of histori cal statistics on the changing occupational structure of industries including data from the 1950, 1960 and 1970 C ensuses, and evaluating the factors likely to influence changes in the future such as expected new technology, changes in product mix, and the general organization of industries. The 1970 m atrix provided the base for the 1974 and 1985 m atrices. W here available occupational data from other sources, such as those cited above, were incorpo rated into the updated m atrices as fixed cells. F or the remaining cells, first approxim ations of the occupa tional patterns for 1974 were made by interpolating betw een the patterns of the 1970 and the 1985 m atrices. The resulting patterns (in mining and m anufacturing) w ere then brought into consistency with data on p ro duction w orker trends available from the B ureau’s C ur rent E m ploym ent S tatistics program . The pattern s 53 BLS HANDBOOK OF METHODS 54 were then applied to individual industry em ploym ent controls and sum m ed to arrive at occupational totals. T hese occupational control totals w ere then com pared to data from the CPS and other sou rces o f information. W hen n ecessary, certain occup ation s (excep t for fixed cells) w ere then forced on a prorated basis to predeter m ined occupational control lev els. This iterative forc ing procedure w as repeated until the internal matrix cells w ere con sisten t with both the industry and the occupational controls. T hus, both the 1974 and the 1985 industry-occupational m atrices w ere con sisten t with (a) national em ploym ent by industry, (b) broad occupa tional em ploym ent lev els from the C PS, (c) trends in production (and nonproduction) worker em ploym ent by industry, (d) anticipated trends in occup ational structure within industries, and (e) reliable estim ates o f detailed occupational em ploym ent available from the CPS and other sou rces. Analysis A basic ob jective o f the project is to have available a c o m p r e h e n s iv e se t o f d ata on n a tio n a l in d u stryoccupational relationships that can be u sed in project ing em ploym ent requirem ents by occupation. Although statistics on em ploym ent by occup ation are relatively thin, particularly betw een decennial c e n su ses, there is a great deal o f inform ation on total em ploym ent in d e tailed industries. Each industry u ses a unique com bina tion o f occupational skills, together w ith other factors o f production, in its efforts to ach ieve least co st for its output. O ccupational patterns m ay be m arkedly differ en t from o n e in d u stry to a n o th er. F or e x a m p le , em ploym ent in the insurance industry is primarily o f w hite-collar workers such as insurance agents, clerical w orkers, actuaries, and others. In contrast, the work force in restaurants is largely m ade up o f food service workers, c o o k s, and ow ner-m anagers. O ver periods o f 5 years or less, the occupational structure o f many industries remain relatively stable. C onsequently, if good inform ation is available on the occupational com position o f individual industries for a base period, it can be used together with the available statistics on chang ing em ploym ent in each industry to develop estim ates o f current em ploym ent by occup ation for later periods. Further, if projections o f output and em ploym ent are available by industry, the base period occupational ratios applied to the industry em ploym ent projections will yield initial estim ates o f em ploym ent requirem ents by occup ation for future periods. Although the occupational patterns o f many indus tries are relatively stable over periods o f less than 5 years, it is clear that occupational patterns change with the advance o f tech n ology and changes in the supply o f workers in each occup ation . H en ce, inform ation on how tech n ology and labor supply are changing the o c cupational pattern in each industry is used to m odify the initial estim ates. This im proves the estim ates o f current em ploym ent by occup ation and o f future em ploym ent requirem ents by occupation d evelop ed by applying base period industry-occupational ratios to industry em ploym ent estim ates. Changing technology and other factors that affect skill requirem ents are constantly being studied to estim ate the future occupational struc ture o f each matrix industry. The adjusted occupational patterns are then used , together with projections o f em ploym ent by industry, to prepare estim ates o f future em ploym ent requirem ents to 1985. Uses and Limitations The N ational Industry-O ccupation M atrix is a key tool used in the developm ent o f national occupational em ploym ent estim ates and projections. T he output o f this project is reflected in the B ureau’s O ccupational O utlook Program, w hich is designed to provide infor mation for u se in the field o f career counseling. It has proved to have many other u ses, including studies o f the changing utilization o f workers by industry over tim e, the analysis o f changing occupational skills by industry, the analysis o f occupational skill require m ents resulting from the im pact o f establishing new industries in specific geographic areas, and market re search. R ecen tly, the industry-occupational matrix has been used in various im pact studies designed to m ea sure the occupational effects o f changes in the level o f expenditures by the Federal G overnm ent for specific programs. In th ese studies, the indirect effects o f vari ou s ex p en d itu re le v e ls are traced th rou gh out the e c o n o m y u sin g th e B u r e a u ’s in p u t-o u tp u t ta b le. E m ploym ent lev els in each industrial sector are then specified by using the appropriate input-output coeffi cients. Staffing patterns derived from the industryoccupational matrix are then applied to the estim ates o f total em ploym ent in each industry, and sum m ed up to determ ine the ind irect occu p ation al effec ts o f the changes in expenditures. The data included in the industry-occupation m at rices are derived from several sources including the Census o f Population, specifically data for a sam ple o f the respondents; surveys conducted by the Bureau o f Labor S ta tistics and others coverin g occu p ation al em ploym ent, as w ell as licensing, and data enrollm ents in professional so cieties. The inform ation obtained from the CPS and other surveys is subject to the re sponse and sampling lim itations typical o f surveys (S ee, for exam ple, the section on lim itations o f the Current Population Survey in chapter 1 o f this B ulletin.) In addition, since, in som e ca se s, the occupational defini tions and con cep ts o f the surveys frequently differ, data stem m ing from surveys must be adjusted and are sub je c t to error resulting from analytical adjustm ents. The matrix data then indicates the general level and position the estim ates hold in relation to the other occupational estim ates within each major industry group. C on se quently, the occupational estim ates in the m atrices N A T IO N A L IN D U ST R Y -O C C U P A T IO N A L M ATRIX should be used with caution and should not be view ed as precise m easurem ents. In general, the sm aller the occupational estim ates the less the reliability. In terms 55 o f data u se, the current N ational Industry-Occupation Matrix is limited in scope to about 420 specific occup a tions and 201 industry sectors. Chapter 7. Occupational Employment Statistics Background T he O ccu p ation al E m p lo y m en t S ta tistics (O E S) Program is a Federal-State coop erative program d e signed to produce State and area data on current and projected occupational em ploym ent for use in planning education and training activities. It provides a system a tic, con ceptually and m ethodologically con sisten t ap proach for the d evelop m en t o f th ese data among the cooperating State em ploym ent security agen cies and is an important elem ent in the system o f labor market inform ation being d evelop ed by the E m ploym ent and Training A dm inistration (formerly the M anpower A d m inistration). For m any years the Bureau o f L abor Statistics has been receivin g requ ests, on a recurring b asis, to provide current, reliable national and local data on job skills in industry. H ow ever, the m agnitude and significance o f the need for this data w as not fully realized until the President’s C om m ittee to A ppraise E m ploym ent and U n em p lo y m en t S ta tistics (the G ordon Com m ittee,* 1962) m et to evaluate all the available statistical data collected at that time. The results o f the com m ittee’s e ffo r ts w e re p u b lish e d in its re p o r t, M e a s u r i n g E m p l o y m e n t a n d U n e m p l o y m e n t . T his report d e scribes both the specific data n eed s and the possible applications th ese data w ould have for ascertaining and perform ing intelligent labor market analysis. The com plete lack o f substantive and com prehensive occupational data at the time the Gordon Com m ittee report w as prepared is aptly d escribed in the follow ing excerp t from the C om m ittee report: “ Except in a general way, we know relatively little about current changes in the number o f workers employed in each important occupation and in the occupational structure of industry as a whole. It is apparent that the economy is undergoing changes that are significantly affecting the oc cupational structure of the labor force. Available job oppor tunities are diminishing for unskilled workers and even for many types o f skilled workers. At the same time there is a rapid increase in the number o f young people coming into the labor market each year. One-third o f the labor force of a decade hence is now in school. Data on the numbers em ployed and trends in employment for specific occupations can provide a basis for estimating future occupational re quirements and job opportunities and thus greatly aid in planning educational and training programs and in voca tional counseling.” Interest in the collection and u se o f occupational em ployment data increased very rapidly following the Gordon 56 C om m ittee’s report. In fact, legislation soon follow ed that enhanced the need for gathering detailed occup a tional data by industry b ecau se it called for training programs to reflect the needs for trained w orkers, an o b jectiv e that recogn ized hum an resou rces as the N a tio n ’s m ost valuable asset. Section 103 o f the Man p ow er D ev elo p m en t and Training A ct o f 1962, as am ended, for exam ple, stipulates that “ The Secretary o f Labor shall d evelop , com pile, and make available, in such manner as he deem s appropriate, information re garding skill requirem ents, occupational outlook, job o p p o r tu n ities, lab or su pp ly in v ariou s sk ills and em ploym ent trends on a national, State, area, or other appropriate basis w hich shall be used in the education, training, co u n selin g , and p lacem ent a ctiv ities per form ed under this A c t.” In addition, the im plem enta tion procedures for the V ocational E ducation A ct o f 1963, as am ended, called for the developm ent o f State vocational education plans that take into consideration projections o f occupational requirem ents. Finally, the C om prehensive E m ploym ent and Training A ct o f 1973 called for the developm ent o f a com prehensive system o f labor market information. A s a result o f th ese legislative acts and as an effort to m eet the needs o f governm ent planners and researchers in the field o f em ploym ent and industrial m anagem ent, the Bureau o f Labor Statistics and the E m ploym ent and Training A dm inistration initiated the O ccupational E m ploym ent Statistics Program, in cooperation with the State em ploym ent security agencies. Program Description The O ES program has three elem ents, which are described in detail further in this chapter. Briefly, they are as follow s: 1. The Occupational Employment Statistics Survey — a mail survey designed to collect current data on wage and salary employment by occupation and industry from nonfarm establishments. 2. The National/State Industry-Occupation Matrix Sys tem— a set o f tables (one for each State and the District of Columbia) that, for a specific period o f time, show total employment in specific occupational categories, cross-classified by industrial sectors and class o f worker categories, which are used as a principle tool in prepar ing estimates o f current employment and projections of occupational requirements for States and sub-State areas. O C C U P A T IO N A L E M P L O Y M E N T S T A T IS T IC S 3. T h e S ta te a n d a re a P ro g ra m — a p ro g ra m e m p lo y m e n t s e c u r it y O c c u p a t io n a l P r o je c t io n s o f g u id a n c e a n d a s s is t a n c e to S t a t e a g e n c ie s in d e v e lo p in g e s t im a t e s a n d p r o j e c t io n s o f o c c u p a t io n a l r e q u ir e m e n t s f o r S t a t e s and a re a s. Uses of the Data The O ES program is designed to produce occupa tional inform ation for use by State em ploym ent security agencies and the Em ploym ent and Training Adminis tration. It is, how ever, a program that provides many of the inform ation needs of other data users, including individuals and organizations interested in planning vo cational education program s, and the requirem ents in occupations w here higher education or technical train ing is needed. E stim ates of current and projected occu pational em ploym ent developed in the program also are used in preparing inform ation for use in career counsel ing, estim ating the im plications on occupational re quirem ents o f changing expenditures for G overnm ent program s, and to aid in jo b placem ent activities p er form ed at em ploym ent security offices. F urtherm ore, !, the inform ation produced provides a basis for the analysis of State and sub-State occupational em ploy m ent. including changing em ploym ent use patterns by industry, the im pact of technological and other changes on occupational requirem ents, and the location and n u m b er o f o c c u p a tio n a l skills w ithin and am ong States, including changes over time. A main benefit of the program is that it provides continuity and a basis for all States to have occupational projections to meet their program needs. The OES program is a F ederal/State cooperative program in which the Bureau has prim ary responsibility for the technical developm ent and adequacy of the program ; the Em ploym ent and Training Adm inistration is responsible for funding, adm inistration, and the use and application of the data generated by the program in planning and o th er activities concerning program s within its scope of responsibility; and State em ploy m ent security agencies are responsible for the collec tion of current occupational em ploym ent data from em ployers, the incorporation of these d ata into the matrix system , the developm ent of industry em ploym ent pro jections, and the final projections of occupational re quirem ents developed for Slates and areas. O c c u p a tio n a l E m p lo y m e n t S t a t is t ic s S u r v e y B ackground In the Fall o f 1971, questionnaires were sent out to 50,000 m anufacturing establishm ents throughout the U nited States, m arking the beginning of a survey de signed specifically to collect statistics on em ploym ent by detailed occupation and industry. This survey was conducted in cooperation with the Em ploym ent and Training Administration and 10 State Employment Secu rity A gencies. It was designed to obtain occupational estim ates for the N ation and for the cooperating State agencies. In 1973, a sim ilar survey was inaugurated in m ost nonm anufacturing industries (excluding trade). In this survey the collection was done entirely by 22 State agencies. B etw een 1973 and 1975, surveys were con ducted in trade and State and local governm ent indus tries; subsequent surveys of m anufacturing and non m anufacturing industries also have taken place. C ur rently, 35 State agencies (including the D istrict of Col um bia) are cooperating in this effort. Program D escription The O ES S urvey is a periodic mail survey conducted by State em ploym ent security agencies of a sample of nonfarm estab lish m ents to obtain wage and salary emFRASER ploym ent by occupation. The survey is conducted Digitized for http://fraser.stlouisfed.org/ over a 3-year cycle (m anufacturing industries one year; Federal Reserve Bank of St. Louis 57 nonm anufacturing, except trade the second year; and trade industries the third year). These data are used to estim ate total em ploym ent by occupation and by indus try for each State and for areas within each State. Em ploym ent inform ation is currently being collected for betw een 2,000 and 2,500 occupations. A specially prepared list of occupations has been designed for each industry or for each group of indus tries surveyed that, in general, em ploy the sam e kinds of occupations. Two types of survey questionnaires — one long and one short — have been developed. The short form concept was developed in the attem pt to increase respondent cooperation by reducing the reporting b u r den in sm aller establishm ents, Both form ats include instruction and file copies and have occupational titles and acco m panying definitions. The form s include establishm ent identification inform ation and several questions concerning nature o f business, status of activ ity, and auxiliary/non-auxiliary unit status. In addition, provision is m ade to provide on the questionnaire three-digit SIC descriptions to reduce industry misclassifications. The form s also include supplem ental sheets for the long form respondents to report significant oc cupations that they could not place under specific titles, and thus reported in the “ all o th e r” residua! data lines. E xperience with previous surveys has shown that the supplem ental sheets can be a valuable tool in improving uiv occupational lists aiiu •detmitioiis, as wen us ciui ify- 58 BLS H A N D B O O K O F M ETH O D S ing and correcting reported data. The long format specifies an extensive list of occupa tions specifically selected for each industry. O ccupa tions are grouped under broad headings such as Clerical O ccupations, Professional and Technical O ccupations, and Service O ccupations. At the end of each grouping, residual categories are included to allow for jobs that cannot be slotted into a specific occupational title on the questionnaire. As m entioned above, the respondents are requested to use the supplem ental sheets to identify significant jo b s in the residual categories. The short form ats include abbreviated occupational lists with accom panying definitions. No broad groups are specified. Those establishm ents' jobs that cannot be m atched to the occupations listed on the forms are identified and briefly described by the respondents in the blank spaces following the jo b lists. W hen the ques tionnaires are returned, these additional occupations are coded according to the corresponding long form preparatory to making estim ates o f em ploym ent by o c cupation. Concepts An establishment is an econom ic unit which proces ses goods or services, such as a factory, mine, or store. It is generally at a single physical location and it is engaged predom inately in one type of econom ic activ ity. W here a single physical location encom passes two or more distinct and separate activities, these are treated as separate establishm ents, provided that sepa rate payroll records are available and certain other criteria are met. Unit total employment includes full or part-tim e w orkers; w orkers on paid vacations or other types of leave; w orkers on unpaid short-term absences (i.e., illness, bad w eather, tem porary layoff, ju ry duty); salaried officers, executives and staff of incorporated firms; em ployees tem porarily assigned to other units; and em ployees for whom this unit is their perm anent (home) duty station, regardless of w hether this unit prepares their paycheck. Unit total em ploym ent ex cludes proprietors, ow ners and partners of unincorpo rated firm s; unpaid family w orkers; and w orkers on extended leave (i.e., pensioners and m em bers of the Arm ed Forces). Employees are reported in the occupation in which they are working, not in an occupation for which they may have been trained, if that is different. F or exam ple, an em ployee trained as an engineer but working as a drafter is reported as a drafter. Working supervisors (those spending 20 percent or more of their time at work similar to that perform ed by w orkers under their supervision) are reported in the occupations which are m ost closely related to their work duties. Part-time workers, learners, and apprentices are re norted in the occupation in which they ordinarily per http://fraser.stlouisfed.org/ form their work. Federal Reserve Bank of St. Louis Industrial Classification The classification system currently used for com pil ing and publishing data is that described in the 1967 Standard Industrial C lassification M anual. (See appen dix B of this bulletin for a detailed description of this system .) Industries surveyed beginning in 1976 will be classified according to the 1972 Standard Industrial C lassification M anual.1 R eporting establishm ents are classified on the basis of major product or activity data for the previous calen dar year. Occupational Classification The O ES occupational classification system is a com bination o f two widely used system s. Titles and descriptions of occupations used for data collection are derived prim arily from the D ictionary of Occupational Titles, third edition, published in 1965 by the D epart m ent of L ab o r’s U nited States Em ploym ent Service. The C ensus of Population, published by the D epart ment of C om m erce, Bureau of the C ensus, is the other m ajor source used for occupational classification. The census is made up of about 400 categories reflecting broad occupational coverage w ithout definitions. The Dictionary of Occupational Titles, on the other hand, is a more detailed classification system with definitions of each occupation and organized to m eet the operating needs of the public em ploym ent service. These two sy stem s, plus inform ation com piled from industry o ffic ia ls an d o th e r s o u rc e s , c o n trib u te d to th e OES occupational classification system . This system is organized to allow for the constant state of change that occupational term inology and classification undergo. This flexibility perm its integration of the feedback gained from each successive round o f OES surveys. Time Period O ccupational em ploym ent data are requested for the pay period including the 12th of the m onth, which is standard for all Federal agencies collecting em ploy ment data. Data Source Sources of occupational d ata reported by respon dents are personnel records and, especially for the small reporting units, personal knowledge of persons com pleting the reports. Em ploym ent benchm arks for this survey are derived from em ploym ent data tabulated from the reports of the u n em p lo y m en t in su ra n c e p ro g ram . In som e non1 S ta n d a r d I n d u s tr ia l C la s s if ic a tio n M a n u a l m e n t a n d B u d g e t , E x e c u t iv e O f f ic e ( O f f ic e o f th e P r e s id e n t , o f M anage 1 9 7 2 .) O C C U P A T IO N A L E M PL O Y M E N T STATISTICS 59 m anufacturing industries, supplem ental sources are used to obtain lists o f estab lish m en ts that are not covered by unem ploym ent insurance law s. estim ates within that industry group. Similarly, the e s tim ates o f com bined industry groups are derived by summing the individual industry com ponents. Collection Method Presentation Data are collected from respondents primarily by mail, but personal visits are made to m any large em ployers and to other respondents w ho indicate particu lar difficulty in com pleting the questionnaires. N or mally tw o mailings follow the initial mailing and a sub sample o f residual non-respondents are contacted fur ther by telephone. A report on the results o f each O ES Survey is pub lished by the cooperating State em ploym ent security agencies. Each report consists o f an analytical interpre tation o f the findings, and is supported by a statistical table show ing estim ates o f occupational em ploym ent and m easurem ents o f the sampling error associated with the estim ates. Sampling U s e s a n d L im ita tio n s o f t h e D a ta The O ES sam ple is designed to yield reliable industry occupational estim ates for the participating States and areas within th ose States. The sam ple members are selected primarily from the lists o f establishm ents re porting to the State unem ploym ent insurance program. The sam ple design initially stratifies the universe o f establishm ents by industry. All establishm ents em ploying 100 em p loyees or more are included in the sam ple. In som e industries and States the level o f em ploym ent for establishm ents included with certainty is less than the 100 em p lo y ees or more lev el. For establishm ents not included in the sam ple with cer tainty, an optimum allocation design is obtained by stratifying the industry by size cla sses and sampling the siz e c la s s e s w ith p rob ability p rop ortion ate to the amount o f em ploym ent contained in th ose size classes. Within each industry size stratum , the sample m em bers are random ly selected . Estimating Procedure T he o c c u p a tio n a l d istrib u tio n o f the rep ortin g respondents in each industry by size class is determ ined by deriving the ratio o f the sum o f the em ploym ent in each occupation to the sum o f the total em ploym ent o f the corresponding reporting establishm ents. T hese dis tributions then are m ultiplied by the corresponding benchm ark estim ates o f total em ploym ent in that size class. E stim ates for occup ation s in each industry group are derived by sum m ing all the occupational size class II. T h e N a tio n a l/S ta te In d u s try -O c c u p a tio n M a trix S y s te m Background Early in 1972, B L S inaugurated a n ew program called the N ational/State Industry-O ccupation Matrix S y s tem . The purpose o f the program , w hich is being d e velop ed in coop eration w ith the E m p loym en t and The collection and analysis o f occupational com posi tion patterns o f industries show how different industries and different plants in the same industry em ploy work ers in the various skills, the factor affecting occupa tional com position, and trends over tim e, which reflect technological and other changes. Such information is essential in projecting em ploym ent requirem ents by occupation (the needs for which are specified in educa tion and training legislation) and for vocational and educational guidance purposes. The occupational com position o f various industries is also needed to estim ate the em ploym ent im plications o f proposed new G ov ernm ent program s, such as those in the fields o f energy, pollution control, health, or urban m ass transit. Local em ploym ent service offices use information on the o c cupational patterns o f industries to locate em ploym ent op portunities for applicants. F in ally, occupational em ploym ent and patterns data have m any u ses in analysis within and outside the firm, and in industrial m anagem ent. All surveys are subject to possib le response and pro cessin g errors although th ese are reduced as much as possib le through review ing, editing, and screening pro cedures and through contact with reporters w h ose data are internally inconsistent or appear to involve m isin terpretation o f definitions or other instructions. In addi tion, estim ates derived from sam ple surveys are subject to sampling error. In this program, sampling errors for occupational em ploym ent estim ates are calculated and normally published with the estim ates. Training Adm inistration and State em ploym ent s e curity agen cies, is to assist in the developm ent o f esti m ates o f current occupational em ploym ent and projec tions o f occupational requirem ents at the State and local levels. Currently, m atrices, which are basically tabulations that distribute total em ploym ent by occupa BLS H ANDBO O K OF M ETHODS 60 tion and by industry for a sp ecific period o f tim e, are available for each State for 1970, 1974, and 1985. The N ational/State Matrix S ystem w as developed in respon se to the em ploym ent and educational legislation o f the past d ecad e, w hich has continuously under scored the need for m ore and better inform ation con cerning current and future local labor market condi tions. R ecen t m o v es to decentralize the responsibility for em ploym ent planning and training activities to State and local jurisdictions should add ev en further to the dem ands for the inform ation produced through this sy s tem . P r o g r a m D e s c r ip tio n T he N ational/State Industry-O ccupation M atrix S y s tem is basically an ex ten sio n o f the national matrix program (see chapter 6). T he sy stem is designed to provide a set o f 51 (all States and the D istrict o f C olum bia) individual m atrices, or tab les, that present total occupational em ploym ent, cross-classified by indus trial secto rs, for a sp ecific period o f tim e. T hese mat rices are co n sisten t in form at, co n cep t, and data base with the B L S national matrix. T he sy stem further pro vides for the d evelop m en t o f m atrices for sub-State areas, usually Standard Statistical M etropolitan Areas. It also includes occup ation -sp ecific death and retire m ent rates for each S tate, w h ich are u sed to estim ate total o ccu p a tio n a l o p en in g s. T h e se rates w ere d e velop ed using special cen su s tabulations o f occup a tional em ploym ent distributed by age and the B L S standard working life tables. A flexib le, m ulti-purpose c o m p u te r s y s t e m w ill p erm it c o o p e r a tin g S ta te em ploym ent security agen cies to update their m atrices as required, prepare sub-State m atrices, incorporate data from th e O ccu p ation al E m p loym en t S tatistics (O E S) S urvey into the matrix sy stem , and d evelop pro jectio n s o f occupational requirem ents by industry se c tor. T he M atrix S ystem provides a uniform and integrated set o f State occupational m atrices that sh ow em ploy m ent b y industry and cla ss o f w orker and are com para ble in sco p e, cod ing, and structure with the N ational Industry-O ccu p ation M atrix. C urrently, each State matrix p rovid es em ploym ent estim ates for about 420 occup ation s and for 201 industry sectors. B y integrating the occupational em ploym ent estim ates derived from the O E S S urvey into the m atrix sy stem , the S tates have the m ost d etailed occupational em ploym ent data base ever available to all States. U s e s a n d L im ita tio n s T he basic output o f the N ational/State Industry O c cupational Matrix S ystem is the availability o f current estim ates and projections o f occupational em ploym ent for States and sub-State areas, develop ed through stan dardized procedures, con cep ts, and definitions. This output allow s for the analysis o f occupational em p loy m ent by industry on a com parable basis for areas within States, regions, S M S A ’s that cross State boundaries, and State and national data analyses. It allow s for pro gram evaluation, the study o f geographical movement o f occupational em ploym ent am ong and within States. It p rovid es the S tate a g en cies w ith a b asic tool for em ploym ent an alyses, including the im pact o f tech nological and dem ographic changes on occupational em ploym ent requirem ents; the location and number o f workers by occupation, and the im pact o f new indus tries or plant closings on em ploym ent in a State or an area w ithin a State. B ecau se the system u ses a standard approach to em ploym ent con cep ts and occupational definitions, it provides an im proved basis for relating o ccu p ation al supply arid dem and data at the sub national lev el. In addition, the availability o f State and sub-State m atrices, and the projections o f occupational requirem ents derived through the matrix system , pro vide basic occupational em ploym ent information for use in vocational guidance and counseling at the State and sub-State level. A t the sam e tim e, the system pro duces occupation! data needed for planning education and training programs at th ese lev els. T he current State m atrices available to State agencies are based on data derived from several sou rces includ ing the C ensus o f Population, industry em ploym ent data co llected directly from em p loyers, occupational data obtained from regulatory and licensing agencies, and other sources o f occupational inform ation. T he data obtained from surveys are subject to the typical re sp on se and sampling problem s o f surveys. Data from the various sou rces frequently differ in em ploym ent con cept and definition; hen ce, the em ploym ent esti m ates are subject to the problem s associated w ith analysis and adjustm ent. The data then indicate the relative im portance o f an occupation to other occup a tions w ithin each industry group. C onsequently, the o c cupational estim ates in the m atrices should be used with caution, and should not be view ed as precise m easurem ents. In addition, w hile the current m atrices are restricted to about 420 occup ation s, the additional detail to be provided by the O ES survey data will in crease the utility o f the system and reliability o f many estim ates, particularly th ose for relatively small o ccu pations. OCCUPATIONAL EMPLOYMENT STATISTICS III. S t a t e a n d A r e a O c c u p a tio n a l P r o j e c t io n s Background The OES program is aim ed toward the developm ent o f reliable estim ates o f current and projected occup a tional requirem ents data at the State and area levels and, ultim ately for the N ation. To aid in the d ev elop m ent o f this im portant inform ation, the Bureau o f Labor Statistics and the E m ploym ent and Training Adm inistration, in cooperation with the State em ploy m ent security agen cies, are developing and making available system atic, standardized procedures for the State agencies to u se in the d evelop m en t o f occupa tional em ploym ent inform ation for the States and areas within the States. P r o g r a m D e s c r ip tio n This Federal/State coop erative program places the responsibility for preparation o f State and area occup a tional projections in the State em ploym ent security agencies. T h ese agen cies are the source o f essential State em ploym ent statistics and have know ledge o f cur rent and p rosp ective State and area econom ic condi tions that are needed to m ake reliable industry and occupation al p rojection s. T he program is broad in scop e in that it covers basic research leading to the develop m en t and im provem ent o f standardized p roce dures for making current estim ates and projections o f occupational dem and and supply at the State and subState levels; guidance to State agen cy staff concerning the use o f the occupational dem and and supply data in the planning and im plem entation o f training and other m anpow er and em ploym ent service activities; prepara tion and dissem ination o f technical procedures and ma terials for u se by the State agen cies, as w ell as training o f State agen cies personnel by B L S regional office staff in im plem enting the procedures; com puter system s that permit the State agen cies to carry out the work related to the develop m en t o f occupational em ploym ent data; and a com m unications netw ork that perm its State to express their data n eed s, review and com m ent on tech nical and other m atters, and a cc ess a centralized data processing service. In this program, each o f the principal organizations have certain respon sibilities. The E m ploym ent and Training Adm inistration is responsible for the utiliza tion o f State and area occupational projections in train ing and em p lo y m en t se r v ic e program s. T he State em ploym ent security agen cies have responsibility for the preparation, review , and publication o f their respec tive State and area occupational estim ates and projec tions. The B ureau’s responsibilities include the conduct o f b asic research lead ing to the d ev elo p m en t and im provem ent o f standardized procedures for making 61 current estim ates and projections o f occupational sup ply and demand; the developm ent and updating o f tech nical manuals; the publication o f national projections and other information needed as tools in the d evelop m ent o f State and area projections; and the d evelop m ent o f com puter programs, including a centralized data processing service. To further the objectives o f the program, research is done by the State agencies that is incorporated into the system , as is their insight concerning the needs o f data users. The State and area projections produced through this program provide a m easurem ent o f the magnitude o f change in occupational em ploym ent requirem ents over the projection period. T hey are not intended to be pre cise m easurem ents o f future occupational em p loy ment lev els. N o attempt is made to adjust the projec tions for cyclical m ovem ents in the econom y. The projections are updated frequently to reflect the latest available data and the know ledge o f econom ic co n d itio n s, including plant clo sin g s and openings; technological innovations; and other factors necessary to produce the m ost reliable projections p ossib le. To further this end, the State agencies responsible for the projections are encouraged to consult representatives o f industry, labor, and other governm ent agencies dur ing the d evelopm ental p rocess to incorporate the w idest possible know ledge concerning the econom ic area for w hich the projections are being developed. U s e s o f t h e D a ta A lthough the program is designed to m eet the occu pational data needs o f the E m ploym ent and Training A dm inistration and the State em ploym ent security agencies, the resulting State and area occupational in form ation is useful to other data users as w ell. Major users, for exam ple, are the State and local vocational education personnel involved in planning training pro grams. B ecau se the output covers the full spectrum o f occupational skills, State and regional personnel in1 terested in the outlook for occupations requiring college education have begun to use the data to a ssess the supply o f and demand for college graduates. A s the data from the O ccupational Em ploym ent Statistics surveys (conducted by the State em ploym ent security agencies) are fully used in the projections p rocess, the program will have additional benefits. The survey covers, for exam ple, many entry occupations and these data can be used in job developm ent studies, as w ell as in preparing career guidance information. The survey detail will also facilitate the study o f training needs and analysis o f the changing use o f workers by specific industries. Chapter 8. M easurem ent Of Unem ploym ent in State And Local A re a s B ack grou nd U nem p loym ent estim ates for States and local areas are d evelop ed by State em ploym ent security agencies to m easure local labor market im balance and hence are a key indicator o f local econ om ic conditions. T hese estim ates are u sed by State and local governm ents for planning and budgetary purposes and as an indication o f the need for local em ploym ent and training services and program s. U nder the Federal-State coop erative program, the D epartm ent o f Labor d evelop s the con cep ts, defini tions and technical procedures w hich are used by State a g e n c ie s fo r th e p rep a ra tio n o f la b o r fo r c e and unem ploym ent estim ates. Federal agen cies u se local area unem ploym ent estim ates to determ ine the eligibil ity o f an area for benefits in various Federal assistance program s, such as the C om prehensive E m ploym ent and Training A c t (C E T A ), th e P u blic W orks and E con om ic D evelop m en t A ct (P W E D A ), the C oncen trated E m ploym ent Program (C EP), and others. U nem p loym ent estim ates have been d evelop ed for labor market areas for over 30 years. The program began during W W II under the auspices o f the War M anpow er C om m ission. The em phasis w as to identify areas w here labor market im balance w as created as a result o f an inadequate labor supply, material short ages, and transportation difficulties. After W W II, em phasis w as placed on identifying areas o f labor surplus, and the program o f classifying areas in accordance w ith the severity o f unem ploym ent w as established. In 1950, the D epartm ent o f L abor’s Bureau o f Em ployment Security (now Employment and Training Ad m inistration) published a handbook on ‘ ‘T echniques for Estim ating U n em p loym en t” in order that com parable estim ates o f the unem ploym ent rate could be produced am ong the States. During the late 1950’s, the H andbook w as im proved by incorporating the exp erien ces gained since the beginning o f the decad e. This research led to the form ulation o f the “ 70-step m ethod” described in the “ H andbook on Estim ating U n em p loym en t” , pub lished in 1960 by the Bureau o f E m ploym ent Security. (S ee T echnical R eference 1.) This m ethod, also referred to as the “ H andbook m eth o d ,” is a series o f com puta tional steps d esigned to produce total em ploym ent and unem ploym ent estim ates. In N ovem b er 1972, the Bureau o f Labor Statistics w as assigned the responsibility for d evelop ing the con cep ts and m ethods used by States to estim ate labor force, em ploym ent, and unem ploym ent. In late 1973, after ex ten siv e research, a new system for developing labor force estim ates w as introduced. It com bined the http://fraser.stlouisfed.org/ 62 Federal Reserve Bank of St. Louis main features o f the H andbook m ethod, including its con cepts and definitions, as w ell as the estim ation co n trols from the national survey for measuring the labor force status o f individuals. M e t h o d . During the developm ent o f the H andbook m ethod, a effort w as made to establish a set o f p r o c e d u r e s th at w o u ld d e riv e an e stim a te o f unem ploym ent for an area com parable to the estim ate that w ould be produced by a random sam ple o f h o u se holds in the area, as in the Current Population Survey. On th e a s s u m p tio n th a t c o m p a r a b ility c o u ld be ach ieved , the H andbook presents a series o f estim ating “ building b lo c k s” w here categories o f unem ployed workers are classified by their previous status. Three broad categories o f unem ployed persons are identified: (1) th ose w ho w ere last em ployed in industries covered by State U n em ploym ent Insurance (U I) law s; (2) those w ho w ere last em ployed in noncovered industries; and (3) th ose w ho w ere either entering the labor force for the first tim e, or w ere reentering the labor force after a period o f separation. In the current m onth, the estim ate o f unem ploym ent is an aggregate o f the estim ates for each o f the three building block categories. A n estim ate for the covered category w as derived from a count o f current (U I) claim ants and estim ates o f claim ants w h ose b enefits have b een exhausted, persons w ho w ere disqualified from receiving benefits, and persons w ho filed claim s late, or not at all. The estim ates o f persons w ho have exhausted their benefits and those in a disqualified status are based on the num ber actually counted in the current period, plus an estim ate o f th ose exp ected still to be unem ployed from previous periods. F o r th e n o n c o v e r e d c a te g o r y , an e s tim a te o f unem ploym ent is d evelop ed for each industry or class o f worker subgroup. T hese estim ates are based primar ily on the “ State covered unem ploym ent rate” (the ratio o f covered unem ploym ent to covered em ploy m ent), and the estim ate o f em ploym ent for the sub group. For som e subgroups, special scaling factors, based on relationships derived from national industry data, are used to control the size o f the final estim ate. The third category, new entrants and reentrants into the labor force, could not be estim ated directly from the U I system statistics becau se unem ploym ent for th ese persons w as not im m ediately preceded by a period o f em ploym ent. Instead, an equation w as d evelop ed to estim ate total entrants into the labor force on the basis o f the historical relationship o f entrants to the experi enced unem ployed and the experienced labor force. A t H a n d b o o k MEASURING OF UNEMPLOYMENT IN STATE AND LOCAL AREAS a given m om ent in tim e, the H andbook estim ate o f entrants into the labor force is a function of: (1) the particular m onth o f the year; (2) the level o f the experi enced unem ployed; (3) the level o f the exp erienced labor force, and (4) the proportion o f the working age population that is considered “ y o u th ” . The estim ate o f total entrants for a given month is a com posite estim ate defined as: U = A (X + E ) + B X , w h ere U = to ta l e n tr a n t u n e m p lo y m e n t E = to ta l e m p l o y m e n t X = to ta l e x p e r i e n c e d u n e m p lo y m e n t A , B = s y n t h e t ic f a c t o r s in c o r p o r a t in g s e a s o n a l v a r ia t io n , a n d a n a s s u m e d r e la t io n s h ip b e t w e e n th e p r o p o r t i o n o f y o u t h s in t h e w o r k i n g a g e p o p u l a t i o n a n d t h e h is t o r ic a l r e la t io n s h ip o f e n tr a n ts to e it h e r t h e e x p e r i e n c e d u n e m p lo y e d (B f a c t o r ) o r th e e x p e r i e n c e d la b o r f o r c e ( A f a c to r ) . 63 fits and the treatment o f persons who fail to qualify for benefits for nonm onetary reasons (quits, discharges, etc.), also vary from State to State. M e th o d o lo g ic a l I m p r o v e m e n ts In 1973 and 1974, several m odifications to the proce♦ dures used by the States for estim ating em ploym ent and unem ploym ent were introduced. T hese w ere designed to establish uniform labor force concepts and defini tions in all States and areas, consistent with those used in the national labor force survey. The major thrust o f the im provem ents has been in tw o areas: (1) M odifying the m ethods previously used by States and areas to estimate em ployment and unemployment, and (2) bench marking (or controlling) State prepared estim ates to annual average totals from the Current Population Survey. M o d ific a tio n . One o f the major m odifica tions introduced was a procedure for adjusting the p la c e-o f-w o rk em p lo y m e n t e stim a te s u sed in the H andbook to place-of-residence estim ates, as in the Current Population Survey. Adjustm ent factors for the major categories o f em ploym ent in the H andbook were d evelop ed on the basis o f em ploym ent relationships w hich existed at the tim e o f the 1970 decennial C ensus. T hese factors are applied to the preliminary em ploy ment estim ates for the current period to obtain the adjusted estim ates which are then used in the 70-step m ethod. Each adjustment factor is defined as follow s: P r o c e d u r a l The total em ploym ent estim ate is based on data from several sou rces. The primary source is a survey o f establishm ents w hich is designed to produce an esti m ate o f the total num ber o f em p loyees on payrolls in nonagricultural industries. E stim ates o f agricultural w orkers, the self-em p loyed , unpaid fam ily w orkers, and dom estics are d evelop ed synthetically. C o n c e p t s A n d D e fin itio n s There are several major conceptual and definitional differences b etw een the H andbook m ethod and the Current Population Survey (C PS). For exam ple, in the H andbook, em ploym ent estim ates are based primarily on establishm ent payroll data and h en ce are place-ofwork estim ates. B y contrast, the CPS estim ates are based on a survey o f h ousehold s in the area and hence are p la ce-o f-resid en ce estim a tes. In the H andbook m ethod, a person on an unpaid ab sen ce is excluded from the payroll estim ate, but is considered em ployed in the C PS. A lso , a person holding tw o job s in covered industries within the reference w eek is counted tw ice in the payroll estim ate, but only o n ce in the CPS estim ate. The conceptual differences b etw een the H andbook and CPS estim ates o f u nem ploym ent are more difficult to recon cile. B ased on U I co n cep ts, a person m ay be eligible for b en efits, and h en ce be counted as un em ployed , ev en if the person had earnings during the reference w eek b ecau se the State U I law s allow for som e earnings b elow a fixed lev el, the so-called “ for given ess le v e l.” In the C PS, persons having any earn ings are counted as em ployed . T he H andbook d oes not count (or estim ate) the number o f persons in covered industries w ho do not have sufficient tim e on the job or earnings to qualify for benefits. And since U I law s vary from State to State, the “ forgiven ess le v e l” earnings, http://fraser.stlouisfed.org/ the criteria for the determ ination o f eligibility for ben e Federal Reserve Bank of St. Louis = (C /E ^ E * , w h e r e C1 = C e n s u s e s t i m a t e fo r t h e ith e m p l o y m e n t c a t e g o r y E1 = H a n d b o o k e s t i m a t e at t im e o f C e n s u s f o r t h e ith e m p lo y m e n t c a te g o r y E\ = P r e lim in a r y e s t im a t e f o r th e ith e m p lo y m e n t c a t e g o r y d u r in g t im e p e r io d (t) E\ = A d j u s t e d e m p l o y m e n t e s t i m a t e w h ic h r e p la c e s E* in t h e d e r iv a t io n o f th e fin a l e s t i m a t e o f to ta l e m p l o y m e n t fr o m th e H a n d b o o k B e n c h m a r k A d ju s tm e n t. The benchm ark m ethod ad ju sts su cce ssiv e pairs o f years in three general phases. First, the m onthly H andbook estim ates in each year are corrected for scale, creating a preliminary series. S ec ond, the perturbation betw een the CPS and Handbook series is w edged into the relevant pair o f years to pro duce a sm ooth preliminary series. Third, the adjust m ent error in a given year caused by developing the preliminary tim e series is forced into that year, yielding the final time series. In the first phase, each pair o f years is divided into mutually exclu sive 4-m onth and 8-m onth periods. In the 4-m onth period o f each year, M ay through A ugust, preliminary estim ates are produced by multiplying each H andbook estim ate by the ratio o f the CPS and Hand- BLS HANDBOOK OF METHODS 64 justm ent is made in order to m inimize the potential book annual averages for that year. This is an adjust m ent to the trend-cycle com ponent o f the H andbook error in “ predicting” the trend in the current year, series. In the final year, preliminary estim ates for May im plicit in the forcing p rocess. A ny prediction error through D ecem b er are also produced in this manner. w ould ultim ately surface as an error in the extrapolated The second phase co n sists o f a com bined trend-cycle estim ates, since the D ecem ber estim ate is the bench and w edging or sm oothing adjustm ent. The wedging mark that is extrapolated forward. process is n ecessary to produce a preliminary time E x tr a p o la tio n P r o c e d u r e s . In the current year, the series adjusted for differences b etw een su ccessiv e pairs o f ratios o f annual averages, caused by random varia- * benchm arked estim ates are extrapolated forward by tion. This phase replaces each H andbook estim ate in applying the latest relevant correction factor to the the 8-m onth period, Septem ber-A pril, by a w eighted currents H a n d b o o k e stim a te s o f em p lo y m e n t and unem ploym ent. The em ploym ent factor used in year (t) com posite estim ate w hich is determ ined by multiplying th e H a n d b o o k e s t im a te fo r th a t m o n th b y th e is the quotient o f the D ecem ber em ploym ent benchmarked and H andbook estim ates in year (t-1). The C PS/H andbook annual average ratios in each o f the pair unem ploym ent factor for year (t) is the algebraic differ o f years and then adding together a predeterm ined proportion o f each product. The proportions used are, en ce b etw een the D ecem b er unem ploym ent benchin effect, the w eights. The generalized com posite for marked and H andbook estim ates in year (t-1). The pre liminary benchm arked estim ate for any month in the mulation is: current year is then the result o f applying the appro E{ = E jR j Wj + E i R 2 W j, i = 1 ,8 ; w h e r e priate correction factor by multiplication (for em ploy m ent), or by addition (for unem ploym ent) to the cur = a c tu a l H a n d b o o k e s t im a t e fo r th e ith m o n th rent m onthly H andbook estim ate. Ri = W£ r a tio o f a n n u a l a v e r a g e s in t h e e a r lie r y e a r o f p a ir = th e w e ig h t s o r p r o p o r t io n s , w h e r e K = 1 a n d 2 U s e s A n d L im ita tio n s In Septem ber, for exam ple, the com posite estim ate equals the sum o f one-eighth o f the product o f the C PS/H andbook ratio o f annual averages in year (t) and the Septem ber H andbook estim ate in year (t-1), plus seven-eighths o f the product o f the CPS/H andbook ratio o f annual averages in year (t-1) and the Septem ber H and b ook estim a te in (t-1). S in ce the sum o f the w eights equals 1, the w eights are easily com puted. M o n th S e p te m b e r O cto b er N ovem ber D ecem ber Janu ary F eb ru ary M arch A p r il W e ig h t s Wi W2 Vs Vs 3A V4 Vs 3/s V l V i 1/2 Vi 3A Vs V4 3A Vs Vs Identical w eights are used for D ecem b er and January to preserve the relationship b etw een th ese m onths during the adjustm ent p rocess. In the third phase, the preliminary m onthly estim ates are forced to the CPS annual average to produce the final tim e series. This is accom plished by multiplying the m onthly estim ates for each year by the ratio o f the CPS annual average to the annual average o f the pre liminary estim ates for the sam e year. In the last year o f adjustm ent, h ow ever, a special procedure is used. The difference b etw een the prelim inary annual average and the CPS annual average is spread over the 11-month J a n u a r y -N o v em b e r p erio d u sin g sp e c ia l w e ig h ts, th ereb y c a u sin g th e D e c e m b e r b en ch m a rk ed and H andbook estim ates to be in the sam e m ultiplicative relationship as are the annual averages. This lag ad E stim ates o f unem ploym ent and the unem ploym ent rate are used by Federal agencies to determ ine the eligibility o f an area for benefits in various Federal area assistance programs. Each m onth, the Departm ent o f Labor classifies 150 major labor market areas according to the degree o f im balance in the local labor market, as measured by the unem ploym ent rates. T hese classifica tions are used by other Federal agencies for program matic purposes, for exam ple, to determ ine eligibility for grants under the Public W orks and E con om ic D e velopm ent A ct, or for preference for local area firms in Federal contracts awards under D efen se M anpower Policy N o . 4. The E m ploym ent Training Adm inistration o f the D e partment o f Labor u ses unem ploym ent data to deter-** mine whether an area is eligible to receive funds under the C om prehensive E m ploym ent and Training A ct (CETA) o f 1973 and for allocation o f th ese funds. For ex a m p le, u n its o f g en eral lo c a l g o v ern m en t o f a specified minimum population size are eligible to re ceive funds under Titles II and VI o f the A ct, if the unem ploym ent rate in the area is at least 6.5 percent for 3 con secu tive m onths, as determ ined by the Secretary o f Labor. The am ount o f funds received by the area is prorated on the basis o f the lev els o f unem ploym ent in the eligible areas. For larger units o f local governm ent, called prime sponsors, 37.5 percent o f the funds allo cated to an area under Title I o f the A ct, is based on the unem ploym ent level. The CPS annual average estim ates used to control labor force estim ates at the State lev el and for large m etropolitan areas are based on a random sam ple o f households and hence are subject to sampling error. B L S does not accept sam ple estim ates as controls un MEASURING OF UNEMPLOYMENT IN STATE AND LOCAL AREAS less the coefficien t o f variation (standard error divided by the m ean) o f the estim ate is 10 percent or less at 1 standard error. T he m onthly estim ates prepared using the m odified H andbook m ethod are syn th etic esti 65 m ates, not subject to sampling variability. Y et other types o f nonsam pling errors and biases do occur. The B L S has not determ ined the mean square errors o f th ese monthly estim ates. T e c h n ic a l R e f e r e n c e s Number 1. 2. U .S . D epartm en t o f L abor, B ureau o f E m p loym en t Secu rity, “ H an d b ook o n E stim atin g U n em p lo y m e n t” , Employment Security Research Methods, Handbook Series (B E S N o . R -185), 1960, (reprints availab le from the B ureau o f L abor S ta tistics, O ffice o f E m p loym en t Structure and T rends). ________ _ B ureau o f L abor S ta tistics, New Procedures for Es timating Unemployment in States and Local Areas, (Report 432), 1974. T h is report p resen ts an o v e rv iew o f the n ew p roced ures u sed to estim a te u n em p loym en t in S tates and local areas. T he n ew m eth od is d esig n ed to prod u ce e stim a tes that are m ore com parable from State to State and are con sisten t w ith the Number national u n em p loym en t estim ates. 3. _________ , “ L abor fo r ce , em p loym en t and u n em p loym en t” , C h. 1, BLS Handbook of Methods for Surveys and Re ports, (1976 ed ition ). T h is chapter p rovid es d efin ition s o f the labor fo rce c o n cep ts u sed in the Current P opulation S u rvey (C P S), as w ell as a b rief d escrip tion o f the sam ple design . 4. _________ , “ E m p loym en t, hours and e a r n in g s” , C h . 3 , BLS Handbook of Methods for Surveys and Reports, (1976 ed i tion). T h is chapter d escrib es the p roced u res u sed to estim ate nonagricultural w age and salary em p loym en t. Chapter 9. Em ploym ent and W ages Covered by Unem ploym ent Insurance Law s B ack grou nd E m ploym ent and w age data for workers covered by State unem ploym ent insurance law s and for Federal c iv ilia n w o r k e r s c o v e r e d b y th e p rogram o f U n em p loym ent C om pensation for Federal E m p loyees (U C F E ) are com piled from quarterly tax reports sub mitted to State em ploym ent security agencies by em ployers subject to the State unem ploym ent insurance law s and Federal installations subject to the U C F E program s. This program o f com piling em ploym ent and w age data is com m on ly referred to as the E S-202, the Federal report w hich sum m arizes data from the quar terly tax reports. The Federal U n em p loym ent Insurance Tax A ct pro vision s first b ecam e effective in January 1938. The A ct applied only to firms em ploying at least eight p ersons in 20 w e ek s in a calendar year and exclu d ed certain categories o f w orkers. A m endm ents to Title X V o f the Social Security A ct — The Program o f U nem ploym ent C om p en sation for F ederal E m p lo y e es — exten ded coverage to Federal civilian em p loyees on January 1, 1955, and to w orkers in firms em ploying from four to seven w orkers on January 1, 1958. In 1958, the U n em p loym ent C om pensation for Exservicem en (U C X ) program becam e effectiv e, bringing under coverage a significant portion o f m en and w om en w ho had served in the armed forces. (The programs for ex-m ilitary personnel w hich ex isted prior to 1958 were o f a tem porary nature.) O ver the years many States h ave, through changes in State legislation, provided u nem ploym ent insurance protection to additional categories o f w orkers above the base established through Federal legislation. Federal legislation em bodied in the E m ploym ent Security A m endm ents o f 1970 effec tiv e January 1, 1972, exten d ed coverage o f State unem ploym ent insur ance system s to firms em ploying on e or more workers in 28 S tates (the rem aining S tates had already e x panded coverage for th ese small em ployers prior to the p a ssa g e o f the F ed eral m inim um requirem ent) and exp an ded som e o f the statutory coverage pro v is io n s . T h e se am en d m en ts as w e ll as ad ditional changes in State legislation have broadened the base o f workers protected by u nem ploym ent insurance to more than three-fourths o f all w orkers. Special provisions for railroad w o r k e rs are m ad e th ro u g h th e R ailroad U n em p loym en t Insurance A ct. 66 Data on em ploym ent and w ages o f workers covered by unem ploym ent insurance have been published quar terly in E m p l o y m e n t a n d W a g e s since the first quarter o f 1950. B efore that tim e reports were issued sem iannu ally and annually beginning w ith 1938. In 1972, publica tion and technical responsibilities for the ES-202 pro gram were transferred to the Bureau of Labor Statistics from the E m ploym ent and Training A dm inistration (formerly M anpow er Adm inistration) o f the Depart ment o f Labor. Prior to that tim e, the Bureau performed the data processing functions o f the ES-202 under con tract from E m ploym ent and Training. D e sc r ip tio n o f th e P ro g ra m A s o f 1974, more than 3.8 million reporting units o f em ployers in private industry w ere subject to State unem ploym ent insurance law s. T hese units submit to State ag en cies quarterly contribution (tax) reports w hich contain data on m onthly em ploym ent, and quar terly total and taxable w ages, and contributions. Sim i larly, reports o f m onthly em ploym ent and quarterly w ages are subm itted by approxim ately 33,000 reporting units o f the Federal G overnm ent. T hese reports, sum marized each quarter by State agen cies, provide a vir tual censu s o f workers (and their w ages) o f private nonagricultural em ployers and the Federal G overn m ent. In addition alm ost 80 percent o f State govern m ent em p loyees are covered . Only 15 percent o f local governm ent em p loyees and 4 percent o f workers en gaged in agricultural production activities are in covered employment. Sum m arized em ploym ent and wage data obtained from the contribution reports are transmitted quarterly to the Bureau o f Labor Statistics by the em ploym ent security agencies o f the 50 States, the D istrict o f C ol um bia, and Puerto R ico. The Virgin Islands report only em ploym ent and w age data for Federal w orkers. T hese data are in turn sum m arized by B LS and published in the quarterly E m p l o y m e n t a n d W a g e s . C o n c e p ts T he e m p lo y m e n t and w a g e d ata r e p r esen t th e number o f w orkers earning w ages during the pay period including the 12th o f the m onth. T hese data are reported EM PLO YM ENT AN D WAGES COVERED BY UN EM PLO YM EN T INSURANCE LAW S on the quarterly reports o f em p loyers and su p plemented by statistical reports from multiestablish ment employers engaged in more than one industrial activity or geographic location. The pay period will vary, in both date and length from employer to em ployer. For most employers, the payroll period is a 7-day period, not necessarily a calendar week. An em ployer who pays on more than one basis (such as pro duction em p loyees w eek ly and office em ployees semimonthly) reports a figure that is the sum of the number of workers on each type of payroll for the appropriate period. The employment count o f workers includes all corpo ration officials, execu tives, supervisory personnel, clerical workers, wage earners, persons on paid vaca tions, piece workers, and part-time workers. Since the employment count is based on individual establish ments, the workers are reported as working in the State of the physical location o f their job. Persons on paid sick leave, paid holiday, paid vaca tion, and so forth, are included, but those on leave without pay for the entire payroll period are excluded. Persons'on the payroll o f more than one establishment during the period are counted each time reported. Workers are counted even though, in the latter months o f the year, their w ages may be nontaxable for unemployment insurance purposes. The employment count excludes the following: (1) Workers who earned no wages during the entire applicable pay period be cause o f strikes or work stoppages, temporary layoffs, illness, or unpaid vacations; (2) workers who earned wages during the month without earning any during the applicable pay period; and (3) proprietors, the selfem ployed, unpaid family workers, most farmworkers, and most dom estics in private households. Federal legislation, according to provisions o f PL 91-373, now requires the States to cover em ployees in State owned and operated hospitals and State institu tions o f higher education. In addition, the UI laws of 42 States provide coverage for som e portion of the State and/or local government em ployees, although in some States these laws are not implemented. In 24 States, coverage is mandatory for all State em ployees and in 6 States, coverage o f both State and local government workers is mandatory. In the remaining States, cov erage is elective, so that only 80 percent of State gov ernment and 15 percent of local government em ployees are actually covered. (Details on coverage laws are provided in Comparisons of State Unemployment In surance Laws, available on request from the Employ m ent and Training A d m in istration , U I S erv ice, Washington, D.C. 20212). Employment data reported for Federal civilian em ployees are a by-product o f the operations of State em ployment security agencies in administering the provisions o f title XV of the Social Security Act—the program o f Unemployment Compensation for Federal Employees. The data are based on reports of monthly em ploy 67 ment and quarterly wages submitted each quarter to State agencies for all installations of Federal agencies having em ployees covered by the act, except the Cen tral Intelligence Agency and the National Security Agency, which are omitted for security reasons. A Fed eral installation is a single physical location at which an organizational unit of a Federal department or agency has civilian employment. The Department of Defense (except units paid from nonappropriated funds) submits these data under a spe cial arrangement. In lieu of quarterly reports, installa tions of the Departments of Army, N avy, Air Force, and other Defense units submit monthly reports to the State agencies covering each installation having 101 em ployees or more. Quarterly data for all installations including those having fewer than 101 em ployees are reported directly to the Bureau of Labor Statistics, which then transmits the figures to the States for inclu sion in the Department of Defense totals. The Federal agencies currently report data sepa rately by installation, except where they exercise the option to com bine small installations in a single “ statew id e” report. Installation reporting permits grouping the data by political subdivision below the State level, i.e ., county metropolitan areas, etc. The employment count for any given month for all agencies (except the Department of Defense) is based on the number o f persons on the payroll for the period including the 12th of the month. The employment count in installations of the Department of Defense includes persons employed on the last workday of the month plus all intermittent em ployees during the month. As used here, intermittent workers are occasional workers who were employed at any time during the month. Total wages are in most States the total amount of compensation paid by the employer to em ployees dur ing the calendar quarter for services performed, regard less whether the services were performed during the calendar quarter. A few State laws specify that the wages reported shall be on a payable basis, i.e ., for services performed during the quarter. Under most State laws or regulations, wages include bonuses, the cash value of meals and lodging when supplied, and tips and other gratuities. Employer contributions for old-age and survivors in surance, for unemployment insurance, for workmen’s compensation, and for private pension and welfare funds, although generally considered supplementary to wages and salaries, are not included in wages o f work ers in private industry for the purposes of reporting to State agencies. On the other hand, em ployee contribu tions for the same purposes, money withheld for in com e taxes, union dues, etc., are included as wages even though they are deducted from the worker’s gross pay. For Federal workers, wages represent the gross amount of all payrolls for all pay periods ending within the quarter. This gross amount includes cash allow ances and the cash equivalent o f any type of remunera BLS HANDBO O K OF METHODS 68 tion. It includes all payments for sick leave, lump-sum payments for terminal leave, withholding taxes, and civil service retirement deductions. Federal employee remuneration generally covers the same type of ser vices as those for workers in private industry. Depend ing on the method used by the Federal agency in prepar ing its quarterly summary balance (cash or accrual basis), the gross amount of payrolls is either paid or payable. T a x a b le W a g e s a n d C o n tr ib u tio n s Taxable wages, which are that part of wages subject to the State unemployment insurance tax, and the con tributions paid on such wages also are reported on quarterly contribution reports from covered em ployers. Under provisions of Federal law, certain units of State and local government after 1942 and certain non profit establishments o f the private sector after the 1972 expansion o f coverage could elect to reimburse the State under which they were liable for any claims that may have been filed against them. These reimbursable accounts are not subject to the quarterly assessment for the insurance funds. For these accounts and, of course, those accounts under UCXand UCFE programs, the taxable wage and contribution items would not be re ported on their quarterly report. An employer pays contributions on only the first $4,200 o f an em ployee’s annual wage in all but five States. The portion of wage subject to taxation is de termined by State law and has varied substantially over time. In 25 States, employers may obtain lower tax rates by m aking volu n tary con trib u tion to the unemployment fund. Three States— Alabama, Alaska, and New Jersey —also accept contributions from em ployees. Such con tributions are included without separate identification. In d u str ia l C la s s if ic a t io n o f D a ta — 1 9 3 8 to D a te Employment and wage data have been classified by industry beginning with 1938. (See table.) From 1938 through 1941, quarterly and annual data were classified in the 80 two-digit industry groups shown in the 1939 edition of the S o c i a l S e c u r i t y B o a r d I n d u s tr ia l C la s s ific a tio n C o d e . From 1942 through 1946, the annual data were clas sified into 402 three-digit industry groups and the quar terly data into 77 two-digit groups provided in the 1942 edition o f the S o c i a l S e c u r i t y B o a r d I n d u s t r i a l C l a s s i f i c a tio n C o d e . For 1947 and 1948, the annual data were classified into 406 three-digit groups and the quarterly data into 77 two-digit groups provided by the 1942 edition o f the S o c ia l S e c u r ity B o a r d I n d u s tr ia l C la s s ific a tio n C o d e for nonmanufacturing industries and in the 1945 edition of the S t a n d a r d I n d u s t r i a l C l a s s i f i c a t i o n M a n u a l for manufacturing industries. From 1949 through 1957, the quarterly data con tinued to be classified into two-digit groups and, in addition, by three-digit groups on the same basis as in the 1947-48 period. The reporting o f annual data by the States was discontinued. Data for the years 1958 through 1963 were classified into 384 three-digit and 79 two-digit industry groups based on the classifications established in the S t a n d a r d I n d u s t r i a l C l a s s i f i c a t i o n M a n u a l , 1957 edition. From 1964 through 1967, the series w ere cla ssified as Industrial Classification of employment and wage data 1938-75 Basis of industrial classification Number of industry groups by 2-digit code 3-digit code 1938-41 ......................................... 1942-46 ......................................... 1947-55 ......................................... 1956-57 ......................................... 1958-67 ......................................... 1968-74 ......................................... 1975- ............................................. Nonmanufacturing 20 21 21 21 21 21 20 146 150 150 148 148 144 1938-41 ......................................... 1942-57 ......................................... 1958-67 ......................................... 1968-74 ......................................... 1975- ............................................. 60 56 58 62 64 256 236 235 279 Period 4-digit code Social Security Board (SSB) 1942 1939 edition edition Standard Industrial Classification (SIC) 1945 edition 1957 edition 1967 edition 1972 edition Manufacturing 1 January-M arch qu arter only. 2Not coded on a m andatory basis. X X X X 1469 1433 1417 1451 X X X X X X 2494 2553 X X EM PLOYM ENT AND WAGES COVERED BY UN EM PLO YM ENT INSURANCE LAWS amended by the 1963 Supplement to the Manual. Beginning with data for the January-March 1968 period, 384 three-digit and 78 two-digit industry groups were used for classifying the data. These groupings are based on the 1967 edition of the S t a n d a r d I n d u s t r i a l C l a s s i f i c a t i o n M a n u a l . Conversion of the employment and wage series to the 1972 edition will take effect beginning with data for the first quarter 1975. Employment and wage reports submitted by State agencies do not carry industry detail beyond the threedigit level except for manufacturing industries. For manufacturing, four-digit classifications are required in the reports for the first quarter of each year, beginning with those for the January-March 1956 period. Most States, however, classify all reporting units for all in dustry sectors in their records with four-digit industry codes, and some have tabulated data available for these industries. The objective in industry classification is to have each place o f business coded on the basis of its principal activity. If a firm in private industry or a government agency conducts different activities at its various establishments or installations, separate industry codes are assigned to the extent possible to each establish ment. Industry codes are assigned by State agencies to each reportable establishment or installation based on ‘*nature-of-business” information submitted for them. Classification of Data by Employment Size-of-Reporting Unit For the first quarter of each year from 1959 to the present, with the exception o f the 3-year period from 1964 through 1966, tabulations showing employment and wage data by size-of-reporting unit are included. Reporting units are, for the m ost part, individual establishments o f employers. An establishment is gen erally defined as a single physical location at which one, or predominantly one, type of econom ic activity is car ried on. Most employers covered under the State UI laws operate only one place of business. In such in stances, the establishment, the reporting unit, and the employer are identical. Employers who operate at two or more locations and have employment o f more than 50 workers in all o f their secondary locations combined are requested by the State agencies to identify separately the employment and payrolls of each location. To the extent that State agencies have been successful in ob taining employer cooperation in this regard, the report ing units and establishments of such employers are identical. When multiestablishment employers do not furnish this breakdown, the employment and payrolls for the secondary locations are combined and reported with the primary location as one reporting unit. Also, particularly in industries characterized by small branch establishment (e.g., food stores, drug stores, banks), employers are allowed to group all branch establish in a single county and report the combination as a Digitized forments FRASER 69 single reporting unit. In the government industry division, the equivalent of a reporting unit is termed an “ installation” and the governmental organization of which it is a part — i.e., the department, agency, or instrumentality responsible for an activity of government is the employer (firm equivalent). Federal agencies are requested to follow slightly different criteria from private employers in breaking down their reports by installation. They are permitted to combine as a single statewide reporting unit (a) all installations with 10 workers or fewer or (b) all installations which have a combined total in the State of fewer than 50 workers. Also, when there are fewer than 25 workers in all secondary installations in a State, they may be combined and reported with the major installation. As the result of the above-mentioned procedures, the number of reporting units is always larger than the number of subject employers (or government agencies) but smaller than the number of establishments (or in stallations). Nine employment-size intervals are used in the sizeof-reporting unit distributions. Subject only to the limi tations o f industry coverage, all but one o f these class intervals represent the actual business population in the given size classes. In some States, nonprofit organizations having under four em ployees are not required to be covered. In al most all of these States, however, employers can volun tarily participate in the State unemployment insurance program and the data from these establishments are included in the tabulations. L im ita tio n s The employment and wage data for quarters may be affected by strikes, by bonus payments (usually in the October-December quarter), by retroactive payments, and by the influx of young summertime workers in the July-September quarter. Employed covered workers, covered workers, and covered jobs are considered synonymous because o f th eclose approximation of jobs and employed workers in the employment counts. The em ploym ent figures overstate to som e extent the number of individuals who were at work and receiving pay during the week including the 12th o f the month. Contributing to the overstatement are the dual or multi ple jobholders—those workers appearing on more than one payroll for the same period. The overstatement due to multiple job holding is to a large degree offset by the underreporting o f workers due to turnover and unpaid absences occurring in weeks other than the one being measured. Coverage may vary from State to State for those industry sectors for which there are no Federal re quirements such as local government, part of State government, agriculture, self-employed, and domestic workers. 70 BLS HANDBO O K OF METHODS When U l-covered private industry employment data are compared directly with other employment series, the industry exclusions should be taken into account. During January-March 1974, there were excluded from coverage approximately 1.2 million agricultural work ers; 1.8 million self-employed farmers; 5.5 million selfemployed nonagricultural workers; 1.4 million dom es tic workers; 1.2 million em ployees of nonprofit religi ous, charitable, medical, scientific and educational in stitutions; and 0.8 million unpaid family workers. In addition to the above private industry em ployees, 8.1 million State and local government workers were not protected by unemployment compensation laws. Also excluded from the data are 2.3 million members o f the Armed Forces and 0.6 million workers covered by the railroad unemployment insurance system. Since the data are secured as an incident to the collec tion of UI taxes and comprise a universe count o f em ployees covered by those taxes, the report is not subject to sampling variability. Error sources do of course exist. One o f the most important is caused by the need to include an estimate for delinquent accounts. The number o f estimations made varies from 2 to 10 percent of total reporting units in each State resulting in employment estim ates for about 1 percent of total employment. N o uniform estimating procedures exist among the States; however, estimates are usually pre pared for the individual reporting unit based on data reported for the preceding quarter taking into account seasonal variations and the trends in employment re ported by employers and installations in the same in dustry cell. Other sources of error include industry and location coding errors for single unit establishments and aggregation errors from multi-industry and multi location employers from which separate reports for each unit are not provided. The unemployment insurance reporting system is capable of producing data at all levels of aggregation down to the county and four-digit industry basis. The quality of data at the lowest levels of aggregation and distributions by size of firms are subject to the control each State maintains in its location and industrial cod ing and, to a great extent, its success at soliciting establishment data from multi-unit firms. With this caveat, data for detailed industries and locations (usu ally county or labor market areas) may be obtained from the relevant State agencies. To preserve the anonymity o f establishments in private industry and of government in sta lla tio n s, the B L S w ith h o ld s p u b lication o f employment and wage data from any State or the N a tional industry level in which there are fewer than three reporting units. At the request of a State, data also are withheld for any industry level in that State where (1) there is any reason to believe that the “ fewer than three” rule would not assure against disclosure o f in formation relating to an individual reporting unit or otherwise violate the State’s disclosure provisions and (2) where the employment o f a single installation or establishment accounts for over 80 percent of the indus try. With the expansion o f coverage in 1972 to include the great percentage o f those persons that are considered “ em ployed,” and recent improvements in data proces sing procedures at State and national levels, these data series have becom e a timely and accurate indication o f the present state o f the labor market in both industry and geographic cross-sectional detail. C o m p a r is o n o f U l-C o v e r e d E m p lo y m e n t D a ta W ith O th er S e r i e s C o u n ty B u s in e s s P a tte r n s (C B P ) D a ta . The differences between U l-covered employment data and em ploy ment covered by the Federal Insurance Contributions Act (Social Security) as published in C o u n t y B u s i n e s s P a t t e r n s , are due primarily to (1) provisions in anumber o f State unem ploym ent insurance law s excluding selected groups from UI coverage; (2) differences in industrial classifications that arise because of differ ences in what constitutes the reporting unit that is to be classified and in the treatment o f central admini strative offices and auxiliary units; (3) differences in the coverage o f nonprofit organizations; (4) other fac tors, such as differences in reports submitted by em ployers to Federal and State agencies and differ ences in m ethods of processing and adjusting the data. E m p lo y m e n t a n d P a y r o ll D a ta in th e E c o n o m ic For complete censuses, such as the Census of Manufacturers, the Census of Mineral Industries, and the Census o f Business, the information is obtained from establishments and the concepts o f employment for industries in these censuses are similar to those in the u nem p loym en t insurance reports. H ow ev er, employment totals will differ due to (1) exclusions from coverage in the UI program, (2) differences in industrial classification particularly of central administrative of fices and auxiliary units, and (3) differences in pay periods to which the data relate; for example, em ploy ment data for the most recent censuses for retail trade, w h o le sa le trade, s e le c te d s e r v ic e s , and p ublic warehouses, represent counts for the pay period includ ing March 12 for the year 1972. For manufacturing and mineral industries, employment represents an average of all production workers on the payroll during the pay periods including the 12th of March, May, August, and Novem ber plus all other em ployees on the payroll dur ing the pay period including March 12. The employment for the construction industry represents estimates o f the average number o f em ployees on the payroll for the pay periods including the 12th of March, May, August and November. C en su ses. EM PLO YM ENT AN D WAGES COVERED BY U N EM PLO YM EN T INSURANCE LAW S S u r v e y ( C P S ) . The U l-covered count o f both private and government employment con tains some duplication resulting from workers who ap pear on two payrolls because they have changed jobs or worked at two or more jobs simultaneously during the reporting payroll period. Such workers are counted only once for the Current Population Survey (informa tion obtained from a sample of households), which clas sifies the workers according to the job at which they worked the greatest number of hours in the survey week. CPS figures on total civilian employment also differ from payroll count figures in that they include farmworkers, self-employed persons, dom estics, and unpaid family workers who worked 15 hours or more in the survey week, etc. The U l-covered count does not include as employed certain persons “ with a job but not at work” — those persons who earneed no wages dur ing the pay period because they were temporarily ab sent from their jobs due to unpaid vacations, taking time off, illness, industrial dispute, or bad weather. Such persons are counted as employed by the household survey if they were not looking for work during the survey week. The U l-covered employment series in cludes all individuals in covered employment regard less o f age. In 1966 and earlier years persons under 14 years of age were excluded from the CPS labor force statistics. Subsequent to 1966 persons under 16 are excluded. C u rre n t P o p u la tio n The Bureau of Labor Statistics, the Employment and Train ing Administration, and, in 47 States and the District o f Columbia, State employment security agencies coop erate in the operation o f the Current Employment Statistics program. In the remaining States, the pro gram is operated by other State agencies in cooperation with the BLS. The program was extended to Puerto Rico and Guam in 1975. In the CES program, the State agencies have responsibility for the preparation of cur rent estimates of employment for the State and for the major labor market areas in the States, while the BLS has responsibility for national estimates. The current monthly nonagricultural employment estimates by in dustry for the nation and States are benchmarked to the U l-c o v e r e d em p loym en t data su p p lem en ted by employment data not covered by UI obtained from various sources including County Business Patterns. The current estimates of employment, average weekly and hourly earnings, and average weekly hours are derived from payroll reports submitted by a sample of 160,000 establishments. C u rre n t E m p lo y m e n t S ta tis tic s (C E S ) P r o g r a m . The Civil Ser vice Commission publishes a statistical series on Fed eral employment and payrolls which provide informa tion on employing agencies, types of positions and ap pointments, and characteristics o f em ployees. The C iv il S e r v ic e C o m m is s io n (C S C ) D a ta . 71 Federal employment data covered by UCFE provide industry and local area detail not available in the CSC series, as well as an actual count o f monthly employ ment by State which is available in the CSC series only for December of each year. Both the UCFE and CSC count of the employed exclude: (1) Members o f the Armed Forces, (2) temporary emergency workers in cases o f fire, flood, earthquake, etc., and (3) officers or crew members of an American vessel (a) owned by or b a r e b o a t - c h a r t e r e d to the United States, and (b) whose business is conducted by a general agent of the Secretary of Commerce, if there is liability for the payment of payroll taxes to an unemployment compensation fund under a State UI law. Certain Federal workers are in the UCFE count who are not in the CSC count and vice versa. For example, included in the UCFE count but excluded from the CSC count are D efense Department workers paid from nonappropriated funds, em ployees of County Agricul tural Stabilization and Conservation Committees, State and Area Marketing Committees, and the Agricultural Extension Service. Excluded from the UCFE count but included in the CSC count are workers employed out side o f the United States and its territories, workers paid on a contract or fee basis, paid patients or inmates of Federal homes, hospitals or institutions, and certain interns, nurses, and student em ployees of Federal hos pitals. The UCFE employment count relates to the payroll period including the 12th o f the month; whereas the CSC count represents the number of persons em ployed on the last workday o f the month plus all inter mittent em ployees during the month. P r e s e n t a t io n a n d U s e s o f t h e D a ta a quarterly publication by BLS-Washington contains national totals of all covered employment and wage data by the broad industry divi sions, major industry groups, and three-digit industry groups. The data also are distributed by State for all industry divisions, most major industry groups, and selected three-digit industry groups. Publications for the first quarter o f eaqh year also include national totals for four-digit manufacturing industries. Employment and wage data for Federal workers also are tabulated by agency for the country as a whole. In addition, data are shown by State for the largest agen cies. For the first quarter o f each year from 1959 to the present except for three years (1964-66), the publication in clu d es tab u lation s sh ow ing the distribution o f employment and wages by size-of-reporting unit for each major industry division within each State and for two-, three-, and four-digit (manufacturing) reporting units for the United States as a whole. State agencies publish their ES-202 data in a similar E m p lo y m e n t a n d W a g e s , 72 BLS HANDBO O K OF METHODS manner, providing some county breakdowns and labor area totals. Many States issue their publications only once a year or in combination with the relevent data. The private employer contribution reports and the government reports provide data necessary for ad ministering the employment security program in the States. The private industry employment data reflect the extent o f unemployment insurance coverage of the individual State laws, and the corresponding wage data provide a basis for estimating the future flow of income into State unemployment insurance funds. The revenue for these funds is derived from a tax on payrolls o f cov ered private em ployers. A n alyses o f covered employment and payroll data are fundamental to the development o f estim ates o f tax yield. Actuarial studies and evaluation o f the financial solven cy o f State unemployment insurance funds must take into account employment and payroll fluctuations, the State’s indus trial com position, and the degree to which there is con cen tration in ind u stries particularly sen sitiv e to econom ic changes. Listings o f private employers and government agen cies are used to select the major establishments and installations located in the area actively served by local em ploym ent o ffices. Such inform ation frequently serves as panels for sample selection and provides con trol totals for research on occupational patterns in labor areas, the place o f work and place o f residence o f work ers, and special studies o f other facets of labor. The data produced by this program represent the largest universe o f monthly employment and quarterly wage information by industry and by State regularly available in the country. As such, they have broad econom ic significance in evaluating labor trends and major industry developments both for the Nation as a whole and for individual States. In addition to the basic uses in the Federal-State employment security system , these wage data are used by other organizations, either independently or in cooperation with the BLS and the State agencies, in the preparation o f other statistical series. Two o f these uses are detailed below: 1. N a t i o n a l I n c o m e : T he B ureau o f E co n o m ic Analysis, Department of Commerce, uses the State unem ployment insurance wage data as the major wage and salary component o f the national income estimates and the State distributions of wage and salary payments which it prepares each year. In addition, State un employment insurance data are used to estimate that part o f the wage and salary supplementation which is accounted for by em ployer contributions to State unemployment insurance funds, as well as the Federal employer taxes paid for old-age and survivors insur ance purposes. 2. C u r r e n t E m p l o y m e n t E s t i m a t e s : Since 1939, the basic source o f benchmark information for “ all em p loyees” in the Current Employment Statistics pro gram by industry has been covered employment data for private industry and, beginning with 1959, by size of establishment. Beginning in 1972, unemployment in surance data account for about 86 percent of the total benchmark. The notable exceptions are private elem en tary and secondary schools, religious organizations, and State and local governments. The U l-covered employment figures are useful in time series analysis and industry comparisons. The dis tribution of data by size-of-reporting unit are useful in measuring the impact of the extension o f coverage to small firms, analyzing wages by size of firms, and benchmarking hours, earnings and labor turnover statistics. Average Earnings Data on wages and average employment of both pri vate and Federal workers are used for calculating, with reasonable accuracy, average weekly earnings of cov ered workers. The average weekly wage is computed by dividing total wages for the year by 52 to derive a figure on wages paid during the average week of the year, which is then divided by the corresponding figure on average monthly em ploym ent. Similarly, quarterly wages are divided by 13. This procedure assumes that “ average monthly em ployment” is approximately the same in an average w eek, an assumption justified by the fact that the pay periods for which employment is re ported are in most cases single weeks. Caution should be exercised in using these average weekly earnings particularly th ose d evelop ed from quarterly total wages. The wage data for quarters may be affected by strikes, by bonus payments (usually in the OctoberDecember quarter), retroactive payments, and by the influx o f young summertime workers in the JulySeptember quarter. The average weekly wage per covered worker com puted by the above procedure cannot be used to calcu late average annual or quarterly wages o f workers, since such averages would be overstated due to the effects of labor turnover, short-time jobs, etc. The number of different workers employed at one time or another during an entire quarter or year, and hence sharing in the wages paid for the quarter or year, is substantially larger than the average number counted as employed in the pay periods including the 12th of each month o f the quarter or year. Also, the incidence o f multiple job holding and part-timers among locations, industries, and time periods in the year would affect comparisons o f different earnings series. More exten sive data on annual per capita earnings o f workers can be,obtained from individual continuous work history tabulations prepared by the Bureau o f Old-Age and Survivors Insurance and from special studies prepared by some State employment security agencies from their em ployee wage record files. EM PLOYM ENT AN D WAGES COVERED BY UN EM PLO YM EN T INSURANCE LAWS 73 Technical References N um ber 1. 2. 3. B u n k e, Alfred L ., “ Q uarterly R eport o f E m ploym ent W ages and C on tribu tion s (E S -2 0 2 ),” S elected P apers from N orth A m erican C o n feren ce on L ab or S ta tistics, 1973, B ureau o f L abor S ta tistics, U .S . D ep artm en t o f Labor. E hrenhalt, Sam uel M ., “ S om e T hou ghts on Planning a C om preh en sive E m p loym en t S tatistics P rogram ,” S elected Pap ers from N orth A m erican C on feren ce on L abor S tatistics, 1973, Bureau o f L abor S tatistics, U .S . D epartm ent o f Labor. Interstate C o n feren ce o f E m p loym en t Secu rity A g e n c ies, T he N um ber E S -2 0 2 N e e d s a N e w P r io r ity in F e d e r a l- S ta te C o o p e r a tio n , 4. June 1971. “ T ech n ical N o te s on Insured U n em p lo y m en t, C overed Em p loym en t, and W age Statistics: T heir S ou rce, N atu re and L im ita tio n s,” S u m m a r y o f E m p lo y m e n t S e c u r ity S ta tis tic s R e p o r ts , M anpow er A dm in istration, U .S . D epartm ent o f 5. L abor, M ay 1975. “ E m p lo y m e n t , W a g e s , an d C o n t r ib u t io n s , E S - 2 0 2 ,” E m p lo y m e n t S e c u r ity M a n u a l, Part III, S ectio n s 0400-0599, as R e v ise d , 1972, U .S . D epartm en t o f Labor. Chapter 10. Characteristics of the Insured Unem ployed Background The survey to m easure the characteristics o f the in su red u n e m p lo y e d w a s in itia te d in 1959 by th e U nem p loym ent Insurance Service o f the U .S . Depart m ent o f L abor as an aid in evaluating its programs. Since the num ber o f persons being served by the UI system had been expanded considerably during the 1950’s, there w as a need to provide insight and under standing o f their characteristics. In recent years, as unem ploym ent insurance w as expanded to cover about three-fourths o f all w orkers, increasing interest in the data w as exp ressed by econ om ists and other social analysts, particularly during periods o f econom ic d e cline. In 1972, w hen it w as recognized that th ese data w ere useful as general purpose statistics, responsibility for the survey w as transferred from the U I Service to the Bureau o f Labor Statistics. Description of the Program C haracteristics o f the insured unem ployed are ob tained as a by-product o f the operations o f the State unem ploym ent insurance program s w hich are adm inis tered by State em ploym ent security agencies. Statistics on insured unem ploym ent are based on the claim s filed by individuals eligible for u nem ploym ent insurance benefits. U nder cooperative arrangem ents b etw een the State em ploym ent security agencies and the Bureau o f Labor Statistics, the State agen cies selec t each month a sam ple o f records o f continued claim s filed by individuals seeking benefits through regular State unem ploym ent insurance program s. The selected records are transmit ted to B L S-W ashington w here they are sum m arized. E stim ates are then com piled on characteristics such as claim ant’s age, sex , color, occup ation , industry at tachm ent, and duration o f unem ploym ent. The data are available m onthly by State and for the N ation as a w hole. Concepts Insured unem ploym ent represents a count o f persons w ho certify a w eek o f unem ploym ent in order to obtain u n e m p lo y m e n t in s u r a n c e b e n e fits u n d er S ta te unem p loym en t program s. T he cou n t includes som e 74FRASER Digitized for persons w ho work part-time for econom ic reasons and are entitled to partial unem ploym ent insurance b en e fits. E xcluded are unem ployed persons claiming b en e fits under the Program o f U nem ploym ent C om pensa tion for Federal E m p loyees (U C F E ), the Program o f U n em p lo y m e n t C o m p en sa tio n for E x -se r v ic e m e n (U C X ), the Railroad U nem ploym ent Insurance Pro gram, the Supplem ental U nem ploym ent A ssistan ce Program, and persons w ho have exhausted their ben e fits under regular State programs and are claiming bene fits under various Federal and State extended benefits provisions. A lso excluded are unem ployed persons w ho have no recent work experience (new entrants and reentrants) or w ho have insufficient work experience to qualify for unem ploym ent benefits. In addition, m ost State law s do not cover certain categories o f w orkers, such as som e State and local governm ent workers, em ployees o f pri vate elem entary and secondary sch ools and religious organizations, and the self-em ployed. L aw s may differ markedly from State to State regarding the eligibility o f workers, the length o f tim e eligible workers may re ceive benefits, the amount o f w eek ly benefits, and the procedures under w hich the programs are operated. Details on coverage law s are provided in C o m p a r i s o n s o f S ta te U n e m p lo y m e n t In s u r a n c e L a w s , B ES N o . U -141, available on request from the Em ploym ent and Training A dm inistration - U I S ervice, W ashington, D. C. 20212. Sampling U n lik e the cou n ts o f total insured u n em p loyed , which are based on adm inistrative records, the charac teristics data are based on a sam ple o f claim ants. Each month the State agencies draw a sam ple o f records from the claim ant files. The sampling m ethod involves ran dom selection based on the last digits o f claim ants’ S o c ia l S e c u r ity n u m b e rs. T a b le 1 in d ic a te s th e minimum sampling ratio required to obtain a given sample size. In general, a sample o f at least 1000 units from each State is required. Som e States select sam ples which exceed the minimum sam ple requirem ents in order to m eet State estim ation and publication criteria, w hich results in a 10 percent sam ple, nationw ide, on the average. Insured unem ploym ent figures are based on the w eek s o f unem ploym ent claim ed by individuals w ho CHARACTERISTICS OF THE INSURED UNEM PLO YED Table 1. Expected sample size of claimant records. Lowest volume of expected continued claimants, week including 19th of the month Size of sample of continued claimants Table 2. Relative error of estimate for selected uni verse sizes and proportion of characteristics being esti mated minimum sample minimum resultant sample size (percent) 1 2 3 4 5 10 20 30 100 100,000 or more........................ 50,000 to less than 100,000...... 40,000 to less than 50,000 ....... 30,000 to less than 40,000 ....... 20,000 to less than 30,000 ....... 10,000 to less than 20,000 ....... 5,000 to less than 10,000 .......... 2,500 to less than 5,000............ Less than 2,500 ........................ 1,000 or more 1,000 to 2,000 1,200 to 1,500 1,200 to 1,600 1,000 to 1,500 1,000 to 2,000 1,000 to 2,000 750 to 1,500 Less than 2,500 75 Universe size (Total number of claimants) Proportion being estimated .011 .05 .20 .50 .80 41.4 53.9 56.8 51.0 44.3 18.2 23.6 24.9 22.3 19.4 8.3 10.8 11.4 10.3 8.9 4.1 5.4 5.7 5.1 4.4 2.1 2.7 2.9 2.6 2.2 6.0 4.9 4.3 3.9 2.6 2.2 1.9 1.7 1.2 1.0 .9 .8 0.6 .5 .4 .4 0.3 .2 .2 .2 State level 2,500 ........................................ 10,000 ....................................... 50,000 ....................................... 100,000 ..................................... 200,000 ..................................... U.S. level have certified a continued w eek o f unem ploym ent. A total count o f claim s is reported w eek ly by the State em ploym ent security agen cies. G enerally, a continued claim filed in a given w eek certifies to unem ploym ent in the preceding w eek . The sam ple o f claim ants is selected from o fficia l S tate record s o f p erso n s eligib le for unem ploym ent benefits during the w eek including the 19th o f the m onth in order to reflect unem ploym ent during the earlier w eek including the 12th. Estimating Procedures The characteristics (e .g ., age, sex , color, occupation, industry attachm ent, and duration o f unem ploym ent) as reported on the claim ants’ records are tabulated and proportions calculated. For exam ple, if the total sample drawn for a State num bers 1,500 records and 900 o f the records relate to male claim ants, then 900 -f- 1500 equals .60, the proportion o f m en. This proportion is multiplied by the total num ber o f claim s filed in the State (assum e 14,000) during the w eek o f the 12th as reported on the w eek ly report o f the insured unem ployed (ES-210 R e port): 14,000 x 1j UU (or .60) = 8,400 men T he results thus derived for each State are sum m ed to obtain the national estim ate o f num ber o f male claim ants. The sam e procedure is used in estim ating the other characteristics. Reliability of the Estimates Since a sam ple is u sed the figures derived from the survey are subject to sam pling variability. The range o f sampling error to be ex p ected depends particularly upon the size o f the characteristic being analyzed and tends to be relatively larger for small groups in the population. The range o f variation w hich may be e x pected can be judged roughly from table 2. The chances are about tw o out o f three that a sam ple estim ate o f the given proportion o f the population would differ from the 1,000,000 2,000,000 3,000,000 5,000,000 .................................. .................................. .................................. .................................. 1 Characteristics which are estimated to be less than 5 percent of State insured unemployment are not published at State level but are shown at national level only. corresponding figure derived by an equally careful com plete enum eration, by less than the relative error in the table. The accuracy o f the final results depends upon many things b esides the degree o f variability inherent in a random sam ple. Errors in processing, interviewer or respondent bias, and failure to achieve a fairly random sam ple, are all exam ples o f factors affecting the accu racy o f the final results that are not measured in the errors o f estim ate show n in table 2. Seasonal Movements Insured unem ploym ent, like total unem ploym ent, is characterized by fairly regularly recurring fluctuations at certain tim es o f the year. The seasonal pattern in insured unem ploym ent corresponds closely to that in total unem ploym ent excep t for a notable divergence in the sum m er m onths. On a s e a s o n a l b a s is , b o th to ta l and in su red unem ploym ent usually reach their highest level during the year in the winter m onths, reflecting the slack periods in econom ic activity in general and in outdoor work in particular. After declining gradually through April, total unem ploym ent spurts upward in May and June, as job seekin g students and recent graduates enter the labor market. Insured unem ploym ent, h ow ever, d oes not reflect this midyear expansion in the labor force, since it exclu d es students looking for summer jo b s, new ly graduated students, and other new entrants into the labor force. During the first half o f July, insured jo b lessn ess normally show s a moderate rise due to claim s filed by persons ineligible for pay during plant sh u td o w n s for v a ca tio n p erio d s. F o llo w in g their m idyear increases, both total and insured unem ploy ment d ecline, reaching their annual low points in O c tober. Thereafter, both series usually begin to rise. 76 BLS HANDBO O K OF METHODS Limitations Presentation and Uses The characteristics data produced from the survey are not com parable with the B ureau’s estim ates o f the characteristics o f all u nem ployed p erson s obtained from the m onthly “ h ou seh old ” survey. The insured u n em p loyed su rvey relates to p erso n s eligib le for unem ploym ent insurance under State programs only and exclu d es m any categories o f workers w hich are included in the count o f the total unem ployed. E x cluded from the insured unem ploym ent count but in cluded in the h ousehold survey count are unem ployed person s w h o have no recent w ork experience (new entrants) or w h o have insufficient w ork exp erience to qualify for unem ploym ent benefits; agricultural work ers, d om estic w orkers, unpaid fam ily w orkers, som e State and local governm ent w orkers, em p loyees o f pri vate elem entary and secondary sch ools and religious organizations, and the self-em p loyed . In addition, per son s eligible for unem ploym ent benefits under other than State program s are exclu d ed from the characteris tics su rvey. A m ong such other program s are the Pro gram o f U n em p loym ent C om pensation for Federal Em p loyees (U C F E ), the Program o f U n em p loym ent C om p en satio n for E x -ser v ic em e n (U C X ), the R ailroad U nem p loym ent Insurance Program, and various F ed eral and S tate tem porary exten ded benefit programs. On the other hand, the insured u nem ployed survey in c lu d e s so m e p e r s o n s w h o w o r k p a r t-tim e fo r e c o n o m ic r e a s o n s and are e n title d to p artial unem ploym ent insurance b en efits. T h ese workers are counted as em ployed in the h ousehold survey. A lso, unem ployed insured workers in Puerto R ico are in cluded in the characteristics survey but exclu d ed in the household survey. The program provides inform ation, by State and for the N ation as a w h ole, about the insured unem ployed, (e.g ., age, sex , color, occupation, industrial attachm ent and length o f current spell o f insured unem ploym ent.) The data are published m onthly for the N ation and by State in the Em ploym ent and Training Adm inistration p u b lic a tio n U n e m p l o y m e n t I n s u r a n c e S t a t i s t i c s . Annual averages are published in the H a n d b o o k o f L a b o r S ta tistic s and the M a n p o w e r R e p o r t o f the P resident. Information on the characteristics o f the insured un em ployed is o f vital interest to analysts and policy mak ers alike. The data are needed to evaluate the effective ness o f unem ploym ent benefits in alleviating the finan cial hardship o f unem ploym ent. Since the insured un em ployed are “ experienced w orkers,” it is important to know their characteristics such as occupation and in d u stry a tta c h m e n t in o rd er to g u id e e f fe c tiv e em ploym ent p olicies through im proved utilization o f labor resources. T hose concerned with programs for w om en are interested in the figures on w om en among claim ants. The data by State are useful for guidance in plant lo ca tio n s and effec tiv e regional em ploym ent policies. A nalysts u se the characteristics o f the insured unemployed to detect changes in industrial structure and to observe changes in the experienced work force, in order to study the cau ses o f unem ploym ent. The data are o f particular interest during periods o f econom ic downturn w hen they are n eeded for guiding em ergency em ploym ent and unem ploym ent benefit provisions. In addition, the U nem ploym ent Insurance Service and others concerned with insurance programs need the inform ation for actuarial studies. Prices and Living Conditions C h apter 11. C on su m er Expenditures and Income Background Consum er expenditure su rveys are specialized fam ily living studies in w hich the primary em phasis is on collecting data relating to fam ily expenditures for goods and serv ices u sed in day-to-day living. E xpenditure surveys o f the Bureau o f L abor S tatistics also collect inform ation on the am ount and sources o f fam ily in com e, on changes in savings or d eb ts, and on major dem ographic and econ om ic characteristics o f fam ily m em bers. The B ureau’s studies o f fam ily living conditions rank .among its oldest data-collecting functions. The purpose o f the first nationw ide expenditure survey in 1888-91, in line w ith the legislation creating the Bureau, w as to study the w orker’s spending patterns as elem ents o f production c o sts, with special reference to com petition in foreign trade. It em ph asized the w orker’s role as a producer, rather than as a consum er. Purposes and coverage changed in su cce ssiv e su rveys, and problem s caused by higher prices led to the second su rvey, in 1901. T he index o f prices o f food purchased by working m en, w ith w eights based on 1901 data, w as u sed gener ally as a deflator for w orkers’ in com es and expenditures for all kinds o f g ood s until W orld War I. The third major survey, spanning 1917-19, provided w eights for com puting a “ co st-o f-liv in g ” ind ex, n ow know n as the C on sum er Price Index (CPI). (S ee chapter 13.) The next major study w as m ade for 1934-36 primarily to revise th ese index w eights and covered on ly urban w age and clerical w orkers. In th e econ om ic dep ression o f the 1930’s, interest in consum er su rveys expanded from study o f the w elfare o f selected groups to general econ om ic analysis. A l m ost sim ultaneously w ith its 1934-36 investigation, the Bureau cooperated w ith four other Federal agen cies in a fifth su rvey, the Study o f C onsum er P urchases, in 1935-36, w hich presented consum ption estim ates for all segm ents o f the population, both urban and rural. The sixth su rvey, for 1950, covered only urban consum ers. The seventh survey, Survey o f Consumer Expenditures, 1960-61, included both urban and rural families. It, like the 1950 survey, provided the basis for revising the CPI and also supplied abundant material for broader types o f econ o m ic, social and market analysis. The rem ainder o f this chapter deals with the 1972-73 survey— the latest in the series describing the consum ption behavior o f the A m erican people. Design of the 1972-73 Survey The 1972-73 C onsum er Expenditure Survey is the eighth major survey o f this type, and the first since 1960-61. U nlike previous su rveys, the collection o f data w as carried out by the U .S . Bureau o f the C ensus under contract w ith the Bureau o f Labor S tatistics. The 1972-73 survey w as undertaken in part to revise the w eights and associated pricing sam ples for the CPI, and in part to help m eet the need for tim ely, accurate, and detailed inform ation on A m erican consum er spending patterns. Satisfying th ese tw o ob jectives is particularly important in periods o f inflation and rapid econom ic change. T he 1972-73 survey con sisted o f tw o separate su rveys, each with a different data collection technique and sample: (1) a quarterly panel survey in w hich each consum er unit1 in the sam ple w as visited by an inter view er every 3 m onths over a 15 m onth period, and (2) a diary or recordkeeping survey com pleted at hom e by the respondent fam ily for tw o 1-week periods. This design differed m arkedly from that o f previous su rveys, including the 1960-61 survey. In that survey, data w ere collected at a single point in time with the B L S interview er asking detailed questions as m embers o f the respondent fam ily reconstructed the previous year’s receipts and disbursem ents. A detailed supple*A con su m er unit is d efined as “ (1) a fam ily o f tw o p erson s or m ore u su ally livin g togeth er w h o p o o l their in com e and draw from a co m m on fund for their m ajor item s o f e x p e n se , or (2) a single consu m er w h o is fin an cially in d ep en d en t o f any fam ily group. T he single co n sum er (or on e-p erso n fam ily) m ay be living eith er b y h im self in a separate hou sin g unit; as a room er in a private h om e, lodging h o u se, or h otel; or sharing a u n it.” T h e 1972-73 C on su m er Expenditure S u rvey rep resen ted all non-in stitutional con su m er units living in the U n ited S ta tes. A ll p erson s resid in g at a se lec ted sam ple add ress w ere eligible for the su rv ey e x c e p t for p eriod s in the su rvey year that they resid ed in m ilitary p o sts, cam p s, or reservation s (ex cep t for periods o f 45 d a y s or le s s for training w ith N ation al Guard or reserve units); in h o m es for the aged , asy lu m s, ja ils, and sim ilar “ lo n g -sta y ” institu tions; or in foreign cou n tries (e x ce p t on vacation s or b u sin ess trips). (S e e T ech n ical R eferen ce N o . 7, pp. 15-16.) 77 78 BLS HANDBO O K OF METHODS m ental questionnaire, covering one w e e k ’s purchases o f food and other frequently purchased item s, was also com pleted . (S ee Technical R eference 7 for a descrip tion o f collection m ethods and list o f published results.) A cting as agent for the B L S , the C ensus Bureau conducted the first year o f the 1972-73 quarterly survey b etw een January 1972 and March 1973. Interviewing for the second year ran from January 1973 to March 1974. The first year o f the diary survey covered the period from the last w eek in June 1972 through the third w eek o f June 1973. The second year diary covered the period from the middle o f 1973 through the middle o f 1974. It is estim ated that the quarterly survey obtained detailed data for 60 to 70 percent o f total fam ily expendi tures. A ggregate estim ates, for exam ple, o f food and beverages, w ere obtained for an additional 20 to 25 percent o f total expenditures. The detail by item for these aggregate estim ates w as co llected in the diary survey as w as the balance o f total expenditures for inexpen sive and frequently purchased item s not in cluded in the quarterly survey. All data collected w ere subject to the confidentiality requirem ents o f the Bureau o f the C ensus and the Bureau o f L abor S tatistics w hich protect against the disclosu re o f resp on d en ts’ identities. Collection Methods Field Organization Data collection w as under the direction o f the C ensus B ureau’s perm anent professional field staff, which op erated through 12 data collection centers throughout the U nited S tates. In addition to th ese offices, 26 local program offices w ere established for a period o f about 2 V i years. E ach local office w as directed by an area supervisor with a staff consisting o f about six inter view ers and an editor-clerk. Interview ers, w henever p ossib le, w ere selected from the m ost exp erienced and best qualified o f th ose w ho w orked on the D ecennial C ensus or on p ost-censal and evaluation projects. The total num ber o f interview s for each phase w as approxi m ately 200. S taff m em bers w ere throughly trained prior to begin ning their work on the survey. Interview ers received about 7 days o f classroom training plus self-study train ing m aterials. Additional hom e study materials and classroom training w as conducted prior to beginning each quarter o f the survey. Formal training was sup plem ented by on-the-job training sufficient to insure job perform ance at the level o f estaolish ed standards. Qual ity control m easures, such as editing returns, observing interview s, and reinterview ing selected sam ple fam ily units, w ere em ployed throughout the survey. Data Collection Som e testing o f collection m ethods was performed by the Bureau o f Labor Statistics and by the Survey R e search Laboratory o f the U niversity o f Illinois. T hese tests and the exp erience o f other countries indicated that high quality data could be obtained in a consum er expenditure survey if the survey design w as tailored so that inform ation on larger and more easily recalled e x penditures was collected by periodic recall interview s and sm all, less exp en sive item s by day-to-day record keeping (diaries). This led to the creation o f quarterly and diary collection veh icles. Furtherm ore, the quar terly design took account o f the notion that som e item s are easily recalled over long periods w hile others are accu rately rem em bered on ly o v er rela tiv ely short periods. Quarterly Survey The initial quarterly survey interview for each year provided socio-econ om ic characteristics o f the con sumer unit, an inventory o f major durable item s, with indication o f w hen obtained, and data covering a great variety o f regularly purchased item s bought since the first o f the year. Subsequent quarterly interview s continued the c o l lection o f detailed exp en ses. In addition, in quarters tw o through five, global estim ates for food and bever ages were obtained, as an aid in possib le integration with detailed food item reports collected by diary. A lso, at the second quarter, a global estim ate o f consum er unit incom e for the previous year w as collected . The fifth and final interview yielded inform ation on housing ex p en ses, work exp erience, changes in assets and liabilities, ex p en ses for m ost goods and services previously requested, and estim ates o f consum er unit incom e. Data on the latter involved highly detailed in com e queries, ranging from w age and salary earnings by each m em ber o f the unit to consum er unit totals o f rents, interest, dividends, etc. A mere listing o f the broad areas o f expenditures surveyed w ould provide only cursory insight into the vast am ount o f detail collected . In the clothing section o f the questionnaire, for exam ple, not only w ere the item s o f apparel narrowly defined (dress shirts, sport shirts, work shirts, b lou ses or top s, other shirts), but age and sex cod es w ere assigned for both purchases o f clothing for fam ily m em bers and gifts o f clothing pur chased for others. D ata collected on housefum ishings and hom e appliances included indications o f w hether item s purchased w ere new or used , and w hether or not purchases w ere financed in part by trade-ins. In addi tion, the quarterly survey collected detailed informa tion pertaining to out-of-tow n trips and vacations. CONSUMER EXPENDITURES AND INCOME Diary Survey The diary, com pleted by the respondent fam ily, was designed primarily to obtain expenditure information which w as either not collected in the quarterly survey or was collected only as a global estim ate in that survey. Expenditures for individual item s o f food , b everages, personal care and housekeeping operation products and se r v ic e s are co n sid e r e d to be p o o rly reca lled by respondents for long periods o f tim e. The diary survey, how ever, w as not lim ited to th ose typ es o f expendi tures, but, rather, included all ex p en ses which the fam ily incurred during the survey w eek , ex cep t for e x pen ses for fam ily m em bers w hile aw ay from hom e overnight and for credit and installm ent plan paym ents. Prior to leaving a diary w ith a consum er unit, the interview er first co lle c te d inform ation on selec ted so cio -e c o n o m ic ch a ra cteristics o f m em bers o f the household in order to establish the com position o f the consum er unit and to classify the unit for analysis. This inform ation also w ould perm it the diary to be linked to similarly classified data covered in the quarterly or other su rveys. E ach reporting unit in the diary survey w as then requested to maintain a daily record o f all expenditures for tw o 1-w eek periods. The diary reporting form w as divided by day o f p u rch a se and b road c la s s ific a tio n s o f g o o d s and services— m eat, fish , and poultry; laundry and diaper ser v ic e , b eau ty and barber shop; h ou seh old help, babysitters, and so on. This breakdown was used to aid the respondent in recalling item s when recording daily purchases. It also facilitated the coding o f individual p urch ases, so that m eaningful aggregates and sub aggregates o f individual purchases could be presented in statistical tables. The respondent w as instructed to record a detailed description o f the goods or services purchased, for exam ple, milk: W hole, skim , half and half, ch o co la te, con d en sed , and so forth. This detail w as required in order for item s to be represented in the C onsum er Price Index according to their relative im portance. W ithin the category food and beverages for hom e c o n su m p tio n , in fo rm a tio n w a s r e q u e ste d o n th e number o f units purchased, net w eight or volum e per unit, type o f packaging (fresh, frozen, canned, pack aged), and total co st. For m eals and snacks purchased at a restaurant, carryout, and so on, inform ation w as requested on kind o f purchase, type o f outlet, and total co st including tips. For drugs or m edical supplies, the respondent was requested to indicate w hether the item purchased was prescribed by a physician. Inform ation w as requested regarding the age and sex o f individual m em bers o f the con su m er unit for w h om cloth in g purch ases w ere m ade. R ent, utility, fuel, teleph on e, and insurance e x pen ses w ere collected in relation to the period covered by the exp en se. All gift purchases w ere specially noted. 79 The data collected by the diary survey were subject to detailed classification by the com puter. More than 1,700 separate cod es were developed to differentiate purchases by class and description. S a m p lin g Design The sam ple for each survey w as a self-weighting, m u lti-sta g e, national prob ability sam ple m odified slightly to provide for a designated minimum sample size in 26 selected areas. The sam ples included 216 primary sampling units (P S U ’s), o f w hich 54 were selected with certainty and the remaining 162 selected on a basis o f a probability proportionate to size from about 1,000 P S U ’s in about 145 strata o f approximately equal size. P S U ’s included both urban and rural terri tory and were either an entire Standard Metropolitan Statistical Area (SM SA ), a single county, or a group of counties. The sam ples were selected from the 1970 Census 20-percent tape file and stratified on the basis of the following characteristics: Housing tenure, size of pri mary family and family m oney income. Separate samples w ere drawn within 55 strata (5 size o f fam ily classes x 5 incom e cla sses x 2 tenure cla sses for housing units plus 4 cla sses o f vacant housing units plus group quarters). N o other variables w ere included in the sample selec tion procedure. Quarterly Sample A pproxim ately 23,000 addresses were selected for the quarterly survey sam ple. O f th ese, 10 percent were exp ected to be vacant or dem olished at the time o f the survey, and another 15 percent were exp ected to de cline to participate or otherw ise be unavailable for the survey. On the basis o f th ese assum ptions, the survey w ould yield 17,000 com plete interview s. Should the anticipated 17,000 interview s not be realized from the original 23,000 unit sam ple, a m atched sam ple was to be drawn upon to achieve the level required nationally and also for each o f the 26 designated P S U ’s. The survey w as conducted over a 2-year period. The sam ple o f 23,000 units w as divided into tw o repre sentative subsam ples o f approxim ately 11,500 units for each survey year. D ivision o f the sample w as made on the follow ing basis with each subsam ple being desig nated for inclusion in one o f the tw o survey periods: 1. T h e 3 0 la r g e s t c e r t a in t y P S U ’s w e r e in c lu d e d in b o th s u r v e y p e r io d s w ith o n e - h a l f o f t h e u n its b e in g in c lu d e d in e a c h s u r v e y p e r io d . 2 . T h e r e m a in in g 186 P S U ’s w e r e p a ir e d in t o t w o g r o u p s o f 93 P S U ’s e a c h . O n e g r o u p w a s d e s ig n a t e d fo r th e 1972 s u r v e y a n d th e o t h e r g r o u p fo r t h e 1973 s u r v e y . 80 BLS HANDBOOK OF METHODS Diary Sample A separate panel o f h ousehold s w as selected for the diary survey. The sam ple design w as identical with that used for the quarterly su rvey, including the sam e vari ables for stratification. The num ber o f units selected w as exp ected to yield com pleted diaries from 17,000 household s, assum ing a 30 percent noninterview rate for occu p ied units. A s in the quarterly survey, the diary sam ple w as divided into tw o equal parts with one part being included in each survey year. The sam ple w as divided further into 52 subsam ples in order that each w eek o f the year be represented in the survey. Response Rates The cooperation o f respondents w as excellen t. Pre liminary resp on se rates for the quarterly survey indi cate that 88 percent o f eligible sam ple units responded in 1972 and about 90 percent in 1973. The percentages represented 9,869 consum er units interview ed in 1972 and 10,106 in 1973. For the diary su rvey, respon se rates w ere 80 percent in 1972-73 and 90 percent in 1973-74 with the percentages representing 21,367 com pleted 1-week diaries in the first year and 23,355 in the second year. trips and vacations, insurance, medical services, edu cation, reading, global food estim ates as w ell as data on incom e, assets and liabilities. The classifying charac teristics and tables will be similar to th ose produced for the diary. The second general form o f release will be through C onsum er E xpenditure Survey Series reports. T hese will include individual year estim ates for diary and quarterly data. For the diary, the detailed ex p en se classification e s tablished for the com bined year estim ates will be co l lapsed into more general groupings for both tabular forms o f the single year estim ates. An initial issue o f this report series w as published in N ovem ber o f 1975, BLS Report 448-1, presenting selected w eek ly expenditures cross-classified by fam ily characteristics. The report series will also serve as the dissem ination vehicle for background articles on the survey, presenting such in form ation as definitions, cooperation rates, m ean e x penditure variances as w ell as periodic analytic studies. The third form o f dissem ination will be public-use com puter tapes. T h ese tapes will contain micro-data from each survey, subject to the confidentiality policies o f B L S. Publications and tapes are scheduled for release periodically throughout 1976 and early 1977. U s e s a n d L im it a tio n s D a t a D is s e m in a t io n Uses Inform ation from the 1972-73 C onsum er E xpenditure Survey will be m ade available in bulletins, statistical r e p o r t s , a n d o n c o m p u t e r t a p e s . S o m e p r e lim in a r y r e sults from the first-year diary su rvey w ere made avail able in April and M ay 1975 in n ew s releases: U S D L 75-212 and 75-276. T h ese m ay be obtained from the inform ation office o f the B L S O ffice o f Publications (202/523-1221). The bulletins w ill present com bined year data from the diary and quarterly separately. D ata w ill include m ean expenditures for all fam ilies and single consum ers in the U n ited States as w ell as for each o f four regions o f the N ation . In each o f th ese areas, expenditure data will be tabulated by a set o f fam ily characteristics in on e w ay and cross-classified arrays. T he diary survey will be the primary source for detailed data on food , h ou se keeping supplies, personal care item s and serv ices, selected energy ex p en ses and non-prescription drugs and m edical supplies. In e x c e ss o f 100 expenditure categories w ill be displayed in the on e-w ay tables. Som e collapsing o f the detail appearing in the one-w ay tables m ay be n ecessa ry to support the cross-classified tables. The quarterly su rvey w ill be the source o f exp endi ture inform ation on housing, utilities, clothing, major Digitized and for FRASER minor equipm ent, h ousefum ishings, transportation, A s in past consum er expenditure surveys conducted by the Bureau, the revision o f the Consum er Price Index market basket and w eights remains as a primary reason for undertaking such an ex ten siv e survey. The results o f the survey have been used to select a new basket o f goods and services for the index and to deter mine the relative im portance o f the item s selected . The data from the survey w ill be o f value to govern ment and private agen cies interested in studying the w elfare o f particular segm ents o f the population, such as the aged, low -incom e fam ilies, urban fam ilies, and th ose receiving food stam ps. A s in the past, the Internal R evenue S ervice exp ects to use data from the survey as the basis for revising the average State sales tax tables w hich taxpayers m ay use in filing Federal incom e tax returns. The Bureau o f Labor Statistics u ses the survey results to revise its Fam ily B udgets estim ates. (See chapter 12.) T he survey data will be o f u se to econom ic p olicy makers interested in the affects o f policy changes on le v e ls o f livin g am ong d iv e rse so c io -e c o n o m ic groups. E conom etricians w ill find the data useful in constructing econom ic m odels. M arket researchers will find it valuable in analyzing the dem and for a group o f goods and services. The D epartm ent o f C om m erce will use the survey data as a source o f inform ation for revis CONSUMER EXPENDITURES AND INCOME ing its benchm ark estim ates o f som e o f the Personal C onsum ption Expenditure com ponents o f the G ross N ational Product. Limitations of the Data The results o f the quarterly and diary surveys are subject to several typ es o f error. T hese include sam 81 pling, reporting and processing errors, and errors due to the inability or refusal o f som e consum er units to give the information requested. All data were review ed and edited to minim ize reported and processing errors. In accurate reporting is a source o f error in any survey. Thorough training o f interview ers and careful attention to collection vehicle design helps to m inimize such er rors insofar as p ossible. T e c h n ic a l R e fe r e n c e s N um ber 1. 2. 3. 4. Brown, Alan and Deaton, Angus. “ Surveys in Applied Economics: Models of Consumer Behaviour” , E c o n o m ic J ., Dec. 1972, pp. 1145-1236. Survey of applications of models of consumer behavior, with some coverage of related consumer demand theory and methods of family expenditure analysis methods. Extensive nine-page bibliography. Carlson, Michael D. “ The 1972-73 Consumer Expenditure Survey” , M o n th ly L a b o r R e v ie w , Dec. 1974, pp. 16-23. Summary of purpose, scope, uses, and methods of surveys. Ferber, Robert, “ Consumer Economics, A Survey” , J . E c o n . L it ,, Dec. 1973, pp. 1303-1342. Survey of currents of thought on determinants of total consumption, including history, development, general con sumption function theory and discussions of various group ings of factors affecting consumption. Extensive nine-page bibliography. Flueck, John A . , Waksburg, Joseph, and Kaitz, Hyman B . ‘ ‘An Overview of Consumer Expenditure Survey Methodology” , N um ber 7. Murphy, Kathryn R. C o n s u m e r E x p e n d itu r e s a n d I n c o m e : S u r v e y G u id e lin e s , U.S. Bureau of Labor Statistics, Bulletin 1684, 1971. Documents methodology of the Survey of Consumer Ex penditures, comparisons with related data, evaluations and analyses of sample returns. Contains glossary and facsimiles of data collection forms. 8. Pearl, Robert B. M e th o d o lo g y o f C o n s u m e r E x p e n d itu r e S u r v e y s , Bureau of Census Working Paper 27, 1968. Summary of various methods used, proposal for continuing surveys, and 25 pages of appendices describing expenditure survey methods used in various countries. 9. Prais, S. J. and Houthakker, H. S. T h e A n a ly s is o f F a m ily B u d g e ts , New York: Cambridge University Press, i/71. Survey of analysis of family expenditure survey data, with some coverage of consumer demand theory, data collection and limitations of data. 10. U.S. Bureau of the Census. I n d e x e s to S u r v e y M e th o d o lo g y L it e r a t u r e , T e c h n ic a l P a p e r N o . 3 4 , 1974. Listing of references to published and unpublished papers, articles, reports, etc., on methodological aspects of design and conduct of surveys, other than sample design and methods, statistical theory and data processing. 11. U.S. Department of Labor. H o w A m e r ic a n B u y in g H a b its C h a n g e , 1959. Popular-style book, dovetailing various studies to yield a picture of changes in consumption habits of the American people between 1875 and 1950. Includes chapter of technical comments on comsumption statistics and an 11-page bibliog raphy. 12. Zimmerman, Carle C., C o n s u m p tio n a n d S ta n d a r d s o f L iv in g , N ew York: D. Van Nostrand Co., 1936. Definitive analysis of family expenditure studies, with per tinent tabular materials, and discussions of psychological, social, and economic concepts and theories of consumption. 1971 P r o c e e d in g s , B u s , & E c o n . S t a t . S e c ., A m e r . S ta t. A s s ’n ., pp. 238-246, 1972. 5. Identifies basic methodological problems encountered and considers their magnitude and possible solutions. Lamale, Helen H. S tu d y o f C o n s u m e r E x p e n d itu r e s , I n c o m e s a n d S a v i n g s - M e t h o d o l o g y o f th e S u r v e y o f C o n s u m e r E x p e n d itu r e s in 1 9 5 0 , Philadelphia, Pa.: University of Pennsyl 6. vania, 1959. Comprehensive statement of purposes, procedures, and reliability of data of 1950 survey, with summaries of BLS surveys from 1888—89 to 1950. Includes facsimiles of data collection forms. Lansing, John B. and Morgan, James N. E c o n o m ic S u r v e y M e th o d s , Ann Arbor: Institute for Social Research, Univer sity of Michigan, 1971. Review and evaluation of survey methodology, with em phasis on households, covering use, design, sampling, collec tion, analysis, and administration. Chapter 12. Family Budgets B ack gro u n d “ Standards o f livin g” refer to the goals o f consum ers and w orkers in their con su m p tion o f g ood s and ser v ic e s, u se o f leisure tim e, and con d ition s o f w ork. Stan dard b ud gets, also d escrib ed as fam ily budgets, m ea sure th e total co sts or am ounts o f incom e required to ach ieve the lev els and m anner o f living im plicit in one set o f hypothetical g o a ls. 1 C ost estim ates are d evelop ed by translating the generalized con cep t o f a living stan dard into a list o f com m od ities and serv ices w hich can be priced. T hus, standard budgets are norm ative, or benchm ark, estim a tes o f living c o sts. T h ey d o not represent the w ays in w hich fam ily in com es should be sp en t, or the w ays average fam ilies actually spend their incom es. T he first standard b udgets prepared b y the Bureau o f Labor S tatistics w ere d evelop ed for the specific pur p o se o f evalu atin g liv in g c o n d itio n s o f cotton -m ill w ork ers in F all R iv er, M a ss, and in the S outh in 1908-09. T h ese budgets d escrib ed tw o standards o f living— a. m inim um , including on ly bare n ecessities; and a fair standard, including som e allow ance for com fort. A n oth er budget defining a standard o f health and d ecen c y w as d evelop ed in 1919. In the late 1930’s, B L S cooperated w ith the W orks P rogress A dm inistration in pricing tw o budgets: A m aintenance budget, described as ab ove the m inimum su b sisten ce lev el but approach ing a satisfactory A m erican standard o f living; and an em ergen cy budget, derived b y cutting the m aintenance budget for em ergency con d itions “ w ith the least harm to the individuals and the social g ro u p .” T he informa tion available at the tim e concerning the requirem ents for nutritionally adequate diets and healthful housing w as incorporated into the definitions o f the living stan dard in each o f th ese b udgets. F or oth er com pon ents o f fam ily livin g, the “ requ irem en ts” w ere form ulated primarily on the basis o f the personal judgm ent o f the budget m ak ers.2 'In 1954, at th e r eq u est o f th e U n ited N a tio n s E co n o m ic and S ocial C o u n cil, a c o m m ittee o f e x p erts from six d ifferen t cou n tries (inclu d ing th e U n ited S ta tes) recom m en d ed that the fo llo w in g d istin ction b e m aintained b e tw e e n th e term s “ le v e l” an d “ stan dard” o f living: T h e “ le v e l o f liv in g ” rela tes to th e actual livin g co n d itio n s o f a p eo p le. T h e ‘‘standard o f liv in g ’ ’ r elates to the asp irations or ex p e cta tio n s o f a p e o p le , that is, the livin g co n d itio n s w h ich th e y se e k to attain or regain, or w h ich th e y regard a s fittin g and proper fo r th e m se lv es to en jo y . H o w e v er la y m en and the general p u blic freq u en tly refer to th e “ high le v e ls o f liv in g ” actu ally a ch iev ed b y the average A m erican w o rk er as the “ high stan dard” o f A m erican livin g. 2P u b lish ed so u rces fo r th e se b u d gets are d escrib ed in T ech n ical R e feren ce N o . 3 , listed o n p. 83. 82 In 1946, the Bureau com piled the C ity W orker’s Fam ily B udget for a “ m od est but adequate” standard o f living. The procedures used standards o f adequacy that reflected the judgm ents o f scien tists and experts where these w ere available; for other com pon en ts, they d e pended on statistical an alyses o f consum er c h o ic e s.3 The sam e m ethod, with som e refinem ents, w as used in 1959, in the interim revisions o f the City W orker’s Fam ily B udget and the Budget for a Retired C ou p le.4 T hese procedures w ere used again, with additional refine m ents, in the m id-1960’s to d evelop the “ interm ediate” budgets (initially described as “ m oderate” budgets) for a fo u r -p e r so n fa m ily and a retired c o u p le . S u b seq u en tly, the co sts o f the interm ediate lev el budgets w ere scaled dow nw ard and upward by a variety o f tech n iq u es to p rod uce a “ lo w e r ” and a “ h igh er” budget for each fam ily ty p e .5 Procedures for the inter m ediate budgets o f the 1960’s and the scaling tech niques are described in the remainder o f this chapter. D e s c r ip tio n o f th e B u d g e t s All norm ative estim ates o f living co sts m ust be based on sp ecific fam ily situations. The construction o f a fam ily budget, therefore, requires a set o f assum ptions w hich m ust be form ulated exp licitly by the budget maker at the ou tset. T hese relate to the age, size, and type o f fam ily; the manner o f living appropriate for the specified fam ily com position and the locality in w hich the fam ily resid es. Fam ily com position has a significant effect on spend ing patterns, manner o f living, and fam ily needs. The budgets for a younger, four-person fam ily, sp ecifies that the fam ily co n sists o f an em ployed husband, age 38, w ho has a w ife n ot em ployed ou tside the h om e, and tw o children, a girl o f 8 and a b oy o f 13. This fam ily type represents a middle stage in the life c y c le , and it has b een w id ely u sed as the unit for other budgets com piled for earlier periods. The fam ily in the budgets for a retired couple co n sists o f a husband and w ife, age 65 or over, w ho are assum ed to be self-supporting, in reason ably good health, and able to take care o f th em selves. This unit, w hich has a m arkedly different pattern o f living and needs than the younger fam ily , has been the subject o f special con cern in national p olicy form ation 3S e e bu d get 4S e e 5S e e T ech n ical R e feren ce N o . 18. F or d escrip tio n o f a co m p an ion for an eld erly c o u p le , s e e T ech n ical R eferen ce N o . 19. T ech n ical R e feren ce N o s . 7 and 10. T ech n ical R e feren ce N o s . 11, 14, 15, and 16. FAMILY BUDGETS over the last three d ecad es. B udget quantities and budget com ponent co st estim ates for other fam ily types cannot be derived as fractions or m ultiples o f the quan tities or co st estim ates for food , shelter, clothing, trans portation, etc. for the four-person fam ily or the retired co u p le .6 B oth typ es o f fam ilies w ere assum ed to live in an urban area. A ssu m p tions also w ere made concerning the living arrangem ents and tenure o f the fam ilies; in ventories o f housefurnishings, household equipm ent, and clothing; m eans o f transportation; ow nership o f life insurance; p rovisions for m edical care; savings posi tions, etc. In making th ese assum ptions, the budget makers w ere guided by data on the p revalence o f ow n ership o f particular typ es o f assets in the urban m et ropolitan population, and the availability o f good s and services provided by governm ents for collective co n su m ption or p rovid ed under c o lle c tiv e bargaining agreem ents b etw een em ployers and unions. All three budgets provide for the m aintenance o f physical health and social w ell-being, and participation in com m unity activities. W ithin this broad fram ework, different lev els w ere obtained by varying the assum p tions concerning the manner o f living and by providing different quantities and qualities o f the necessary goods and services. The con tent o f the budgets is based on the manner o f living and consum er ch o ices in the 1960’s. The low er budget differs from the interm ediate and higher budgets in several specifications: The fam ily lives in rental h ous ing w ithout air conditioning, (excep t for a proportion o f retired cou p les w h o m ay ow n their ow n h om es), relies h eavily on public transportation, supplem ented, where n ecessa ry , by the u se o f an older car, performs more services for itself, and utilizes free recreation facilities in the com m unity. Com pared with the interm ediate budget, the life style in the higher budget is marked by m ore h om eow n ership , high lev els o f new-car ow ner ship, m ore h ousehold appliances and equipm ent, and more paid-for services. For m ost item s com m on to all budgets the quantities are greater and the qualities higher in the interm ediate than in the low er budget, and in the higher than in the interm ediate b u d get.7 D ata S o u rc e s Budget quantities and pricing specifications w ere d e rived from tw o sou rces: (1) S cien tific or technical judgm ents concerning the requirem ents for physical health and social w ell-being; and (2) analytical studies o f the ch o ices o f good s and services made by consum ers in su cce ssiv e incom e groups, as reported in the B ureau’s surveys o f consum er exp en d itu res,8 to de termine the incom e class w h o se spending pattern w ould be assum ed as the “ norm ” for a sp ecified budget level. Scien tific standards for nutritionally adequate diets for individuals in different sex-age groups have been d evelop ed by the F ood and Nutrition Board o f the 83 N ational Research C ouncil, and translated by the U .S . Departm ent o f Agriculture into food plans at different cost lev els. T hese food plans were used as the basis for the food-at-hom e com ponent o f the budgets. H ousing standards established by the Am erican Pub lic H ealth A ssociation and the U .S . Public H ousing A dm inistration were adopted for the budgets. T hese standards relate to sleeping space requirem ents, essen tia l h o u s e h o ld e q u ip m e n t (in c lu d in g p lu m b in g facilities), adequate utilities and heat, structural condi tion, and neighborhood location o f the dw elling units. Fuel requirem ents were derived by analyzing actual fuel purchases o f fam ilies in the specified types o f d w el lings in relation to degree-days to provide an adjustment for differences in clim ate. E stim ates o f electricity and utility services required for the appliances specified for the budgets w ere furnished by utility com panies and association s. The w idespread use o f insurance to cover the cost o f major illness w as accepted as a basis for a standard for m edical care, and a fam ily m em bership in a group health insurance plan (M edicare for the retired couple) w as specified. Q uantities o f m edical care services not covered by insurance w ere derived from data on utiliza tion rates provided by the 1963-64 U .S . N ational Health Survey and the 1960-61 Consum er E xpenditures Sur vey. Major m edical provisions were specified for the higher budget. N o generally accepted scientific standards are avail able for other com ponents o f the budgets (clothing, h o u se fu r n ish in g s, tr a n sp o r ta tio n , p erso n a l ca r e, household operation, reading, recreation, tob acco, education, gifts and contributions, and m iscellaneous exp en ses). T herefore, for m ost o f th ese com ponents a technique w as d evelop ed w hich relied on the ch oices o f consum ers as the basis for a standard. Purchases were exam ined at su ccessiv e incom e levels to determ ine the incom e lev el in w hich the point o f maxim um incom e elasticity occurred. The average num bers and kinds o f item s purchased at this incom e level b ecam e the quan tities and qualities specified for the interm ediate level budget. In general, incom e cla sses below and above the cla sses used for the interm ediate level w ere specified as 6Extensive analyses of consumption data dating back over more than a century have provided a variety of measures of general wel fare; e.g., the relative adequacy of diets, the proportion of income spent for various categories of goods, or the proportion of income saved. These measures, either singly or in combination, have been used as the basis for determining scales of equivalent income for families of different size. One such scale is described in Technical Reference No. 12. The scale is based on the assumption that families spending the same proportion of income on food have attained equal levels of living. Although the scale is useful in estimating equivalent costs of goods and services, or net income requirements after income taxes and occupational expenses, it cannot be applied to individual items or major components of budget costs. 7For a discussion of the relativity of living standards, see Technical Reference Nos. 5 and 6. 8For a description of the Bureau’s surveys of consumer expendi tures, see chapter 11. 84 BLS HANDBOOK OF METHODS the so u rce o f q u an tities for the lo w er and higher budgets, respectively. For the transportation com pon en t, quantities for the interm ediate and higher budgets w ere based on the average consum ption pattern o f fam ilies o f each budget type. For the low er budget, average patterns o f renter fam ilies w ere used. E xcep t for the higher budget where costs include a car for all fam ilies, autom obile ow ner ship w as sp ecified in inverse relationship to the avail ability o f m ass public transportation. M ileage allow ances w ere adjusted by the u se o f autom obiles for work. In determ ining budget c o sts, lev els o f prices paid for item s are as important as the num bers o f item s bought. Item s in the interm ediate budget w ere priced in the types o f stores and professional and service establish m en ts cu sto m a r ily p a tro n ized by urban fa m ilies. Prices, pricing p rocedures, reporting stores and service establishm en ts, and price calculation m ethods were th ose used by the B L S for the C onsum er Price In d ex ,9 excep t that additional quotations w ere obtained in som e ca ses to calculate averages and different qualities were priced in other ca ses to represent the interm ediate budget level. For som e item s in the low er and higher budgets, special prices w ere co llected directly from stores and establishm ents. In the main, h ow ever, prices for th ose tw o lev els w ere estim ated in a variety o f w a y s .10 Since spring 1969, the co sts o f the consum ption com ponents o f the budgets have b een derived by applying price changes reported in the C onsum er Price Index for individual areas to the appropriate previous p eriod’s co sts for each main class o f good s and services. U se s and L im it a tio n s In the m ethods described, a fam ily budget is the end result o f a multitude o f d ecision s by the budget maker, based on standards form ulated by scien tists or experts or on analyses o f data on consum ption patterns from a variety o f sou rces. The budgets are not sim ply the products o f a survey o f w ays fam ilies at particular in com e lev els actually spend their m oney. The judgm ent o f the budget maker is involved in selecting among the fam ily typ es and manners and lev els o f living to be rep resen te d ; in d eterm in in g th e m o st ap propriate sources o f data to be used in deriving budget quantities; and in interpreting actual fam ily consum ption in terms o f norms or benchm arks. The appropriateness o f the operating assum ptions can be evaluated only by the budget users in relation to the purposes to be ser v ed .11 Budget estim ates m ay be analyzed in four w ays: (1) 9For a description of the Consumer Price Index, see chapter 13. 1 technical Reference Nos. 13, 15, and 16 provide additional de tails on the methods, as well as lists of goods and services priced. Dollar cost estimates are provided in these reports and also in Tech nical Reference No. 9. n For a discussion of the uses of family budgets, see Technical Nos. 2, 4, 8, and 17. Reference C osts are com pared with incom e. H ow ever, costs for a specific fam ily type should be com pared only with av erage incom es, or incom e distributions, for fam ilies o f the sam e type. This kind o f analysis has been restricted, therefore, by the availability o f cost estim ates for only tw o fam ily types. H ow ever, fam ily equivalence scales may be used to d evelop estim ates for com parable benchmark levels for fam ilies o f other typ es. (2) Budget co sts in one place are com pared with costs in another, i .e ., the budgets provide a basis for calculating an index o f locality differences jn “ living c o s ts .’’12 The Bureau has provided this type o f analysis in conjunction with its published reports. (3) C osts are com pared over time to m easure changes in living standards. The sporadic character o f the Bureau’s fam ily budget research pro gram im p o se s ser io u s lim ita tio n s on th is ty p e o f a n a ly sis. A lso th e ju d gm en t fa cto r in d ev elo p in g b u d g ets in tr o d u c e s a se r io u s b ias for ev a lu a tin g changes in the levels and living standards o f fam ilies from decade to decade. (4) Finally, budget estim ates o f different lev els are com pared to provide a m easure o f the aggregate addition to incom e required to raise con sum ption to particular le v e ls. T he d evelop m en t o f budgets for three different levels facilitates this type o f analysis. Fam ily budgets are used in econom ic research to appraise the econom ic condition o f the population and to evaluate the need for, and the effect of, specific laws and programs. For exam ple, norm ative living co sts are used to m easure the exten t to w hich social security or unem ploym ent insurance benefits provide incom e suf ficient to purchase the manner and content o f living used to define a specified budget level; to estim ate aggregate co sts o f consum er goods as a basis for de veloping public policies; or to prepare estim ates o f the number o f fam ilies living below the specified budget level. Budgets also provide benchm arks for administra tive determ inations, as required by a number o f existing law s or p olicies o f social, w elfare, and educational agencies; e .g ., to establish criteria o f eligibility for pub lic assistan ce, public housing, support services for indi viduals in job developm ent program s, subsidized m edi cal or mental health, guidance serv ices, or college scholarship aid. In addition to their primary use as tools in evaluating incom e adequacy, fam ily budgets are used to m easure place-to-place differences in living co sts, as a basis for fam ily counseling, in w age negotiations, and as an aid in consum er education. L ocality ind exes based on the B L S budgets reflect differences in co sts o f established residents in a com m unity. Rental co sts, for exam ple, are based on the averages for occupied dw ellings and are not a valid m easure o f the co sts o f vacant units available to new residents. Sim ilarly, the co sts o f maintaining a hom e purchased 7 years ago, w hile an appropriate m easure 12For a discussion of the interarea indexes calculated with the family budget cost estimates, see Technical Reference No. 9. F A M ILY BUDGETS for an established, budget-type fam ily, d oes not provide information on the relative co sts o f purchasing hom es in current m arkets. The cost o f food reflects not only differences in price levels but also, and more important, differences in regional preference patterns in the choice o f food to m eet nutritional stan d ard s.13 The indexes, therefore, are more appropriate as research tools in 85 analyses o f the relationship betw een incom e and costs o f established residents in different locations than as m easures o f differences in costs for fam ilies moving from one location to another. 13For a m easure o f the effect on food c o sts o f p rice-level differences versu s regional d ifferen ces in the ch o ice o f fo o d s, see T echnical R eferen ce N o . 1. T e c h n ic a l R e f e r e n c e s N um ber 1. 2. 3. 4. 5. 6. 7. B ra ck ett, Jean C ., “ In tercity D iffer e n c es in F am ily F o o d B ud get C o s ts ,” M o n th ly L a b o r R e v i e w , O ctob er 1963, pp. 1189-1194. A n an a ly sis o f the effects on food budget c o st estim ates o f usin g for all cities a single set o f w eigh ts representing urban U .S . food pattern s, or different w eigh ts for each city reflect ing the food p referen ces o f the region in w hich the city is lo ca ted . B rack ett, Jean C ., “ N e w B L S B u d gets P rovide Y ardsticks for M easuring Fam ily L ivin g C o s ts ” M o n th ly L a b o r R e v ie w , April 1969, pp. 3-16. P rovid es a non tech n ical descrip tion o f the co n cep ts and p roced u res u sed to d ev e lo p the bu dgets for a four-person fam ily at three lev e ls o f livin g, a sum m ary o f the spring 1967 c o st e stim a tes and locality in d ex e s, and a d iscu ssio n o f the appropriate u ses o f the bu dgets. C lo rety , J o sep h A ., “ C on su m p tion Statistics: A T ech n ical C o m m e n t,” H o w A m e r ic a n B u y in g H a b its C h a n g e , Ch. X , 1959, pp. 217-242. P resen ts a rep resen tative cro ss-se ctio n o f budgets co m piled in this country during the 20th cen tury. S h ow s average dollar c o st figures for the total and for the major com p on en ts o f ea ch bu dget. H a w e s, M ary H ., “ M easurin g R etired C o u p les’ L ivin g C o sts in U rban A r e a s ,” M o n th ly L a b o r R e v ie w , N ovem b er 1969, pp. 3-16. In clu d es estim a tes o f the c o sts o f budgets for three lev e ls o f living fo r a retired cou p le in spring 1967 and budget-based lo ca lity in d ex es. D escrib es u ses o f th ese bu dgets as to o ls in determ ining eligib ility for variou s program s and in helping older co u p les to evalu ate their ow n spen ding habits. L a m a le, H elen H ., “ C h anges in C o n cep ts o f In com e A d eq u acy O ver the L ast C en tu ry ,” A m e r ic a n E c o n o m ic R e v ie w , M ay 1958, pp. 291-299. A n a n alysis o f the relation sh ip o v er tim e b etw een actual le v e ls o f living in the U n ited S tates and the goals or standards o f living w h ich have b een a ccep ted in different historical period s and for different p u rp oses. L am ale, H elen H ., “ P overty: T he W ord and the R e a lity ,” M o n th ly L a b o r R e v ie w , July 1965, pp. 822-827. D isc u s se s the standard budget approach to the evalu ation o f in com e a d eq u acy for different fam ily typ es and in different geographical lo ca tio n s and estim ation o f the exten t o f p overty in the U n ited S ta tes. L a m a le, H elen H . and S to tz , M argaret S ., “ T he Interim C ity W orker’s F am ily B u d g et,” M o n th ly L a b o r R e v ie w , A u gust 1960, pp. 785-808. E stim ates the c o st o f a “ m od est but ad eq u ate” standard o f living fo r a hu sb and, w ife, and tw o children (living in rented h ou sing), at autum n 1959 p rices, in 20 large cities and their suburbs. In clu d es the detailed list o f the g o o d s and serv ices u sed to d efine the living standard for the 1950’s , and d escrib es the w a y this list w as d ev elo p ed and priced. N um ber 8. 9. 10. 11. 12. 13. 14. 15. O rsh an sk y, M ollie, “ B ud get for an E lderly Couple: Interim R ev isio n by the Bureau o f L abor S ta tistic s,” S o c ia l S e c u r ity B u lle tin , D ecem b er 1960, pp. 26-36. A sum m ary report on “ T he B L S Interim B udget for a Retired C o u p le .” (S ee R eferen ce N o . 10.) In clud es a d iscu s sion o f variou s con cep tu al problem s en cou n tered in d e v e lo p ing norm ative living c o sts estim ates for a retired co u p le, and som e lim itations o f this particular budget. S h erw ood , Mark K ., “ Fam ily B u d gets and G eographic D iffer e n c e s in Price L e v e ls ,” M o n th ly L a b o r R e v ie w , April 1975, pp. 8-15. D isc u s se s the geographic variations in the fam ily budget m arket b ask ets and the assu m p tion s that m ust be m ade to u se the interarea in d exes as “ living c o s t s ” in d exes. S to tz , M argaret S ., “ T he B L S Interim B ud get for a Retired C o u p le ,” M o n th ly L a b o r R e v i e w , N o v e m b e r 1960, pp. 1141-1157. E stim ates o f the c o st o f a “ m o d est but ad eq u ate” standard o f living for a m an age 65 or o v er and his w ife (living in rented h ou sin g), at autum n 1959 p rices, in 20 large cities and their suburbs. In clud es the d etailed list o f the g o o d s and serv ices u sed to d efine the living standards for 1950’s; and d escrib es h ow this rep resen tative list w as d ev elo p ed and priced. U .S . D epartm en t o f L abor, Bureau o f L abor S tatistics, “ City W orker’s Fam ily B ud get for a M oderate L iving Standard, autum n 1966” (B ulletin 1570-1, 1967). D escrib es ch an ges in this budget over the last tw o d eca d es, and g iv es autum n 1966 c o sts for urban U n ited States and c o sts and comparative indexes for 39 metropolitan areas, and 4 non m etropolitan regions. U .S . D epartm en t o f L abor, Bureau o f L abor S tatistics, “ R e vised E q u ivalen ce S cale for E stim ating E qu ivalent In com es or B ud get C osts by Fam ily T y p e ” (B ulletin 1570-2, 1968). Includes scale values for selected family types which can be used to app roxim ate total c o sts o f con su m p tion for the three budget lev e ls. A lso in clu d es a sum m ary and d iscu ssion o f the status o f research on fam ily eq u ivalen ce scales. U .S . D epartm en t o f L abor, Bureau o f L abor S tatistics, “ City W orker’s Fam ily B ud get P ricing, P roced u res, S p ecifica tio n s, and A verage P rices, A utum n 1966” (B ulletin 1570-3, 1968). R eports on pricing m eth od ology used in the interm ediate budget and in clu d es U .S . urban average prices and averages for five m etropolitan areas for selected item s priced for the budget. U .S . D epartm ent o f L abor, Bureau o f L abor S tatistics, “ R e tired C o u p le’s B u d get for a M oderate L ivin g Standard, A u tum n 1966” (B ulletin 1570-4, 1968). D escrib es ch an ges in this budget over the last tw o d e ca d es, and g iv es autum n 1966 c o sts for urban U n ited States and c o sts and com parative in d exes for 39 m etropolitan areas and four nonm etropolitan regions. U .S . D epartm en t o f L abor, Bureau o f L abor S tatistics, “ Three Standards o f L ivin g for an U rban Fam ily o f F our P erso n s, BLS HANDBOOK OF METHODS 86 T e c h n i c a l R e f e r e n c e s — C o n t in u e d Number 16. 17. Spring 1967” (B ulletin 1570-5, 1969). D escrib es bu dgets for a fou r-p erson fam ily at three le v e ls o f living. E x p la in s in d etail th e c o n c e p ts, p ro ced u res, data so u rces, and estim atin g m eth o d s, and p rovid es lists o f g o o d s and se r v ic es priced . In clu d es spring 1967 c o sts and locality in d ex es. U .S . D epartm en t o f L ab or, B ureau o f L ab or S ta tistics, “ T hree B u d gets fo r a R etired C ou p le in U rban A reas o f the U n ited S ta tes, 1967-68” (B ulletin 1570-6, 1970). D escrib es bu d gets for a retired co u p le at three lev e ls o f livin g. E x p la in s in d etail the c o n c e p ts, p ro ced u res, d ata so u rces, and estim atin g m eth od s, and p rovid es lists o f g o o d s and serv ices in clu d ed . In clu d es spring 1967 c o s ts and locality in d ex es. (A su p p lem en t to this B u lletin p rovid es c o sts and in d ex es for 1969-70.) U .S . D epartm en t o f L abor, B ureau o f L abor S ta tistic s, ‘ ‘R eport o f the A d v iso ry C om m ittee on Standard B ud get R e se a rc h ,” June 1963. R eco m m en d a tio n s form ulated b y a com m ittee o f exp erts w ith e x ten siv e ex p erien ce in u sin g standard bu dgets on the n eed s fo r variou s ty p es o f b u d gets, general c o n cep ts o f the Number 18. 19. stan dards o f livin g to b e d escrib ed b y the b u d g ets, and m eth od ological and other prob lem s a sso cia ted w ith estim a t ing and pu blishin g bu dget c o sts. In clu d es a se lec ted b ib liog raphy on the m ajor u ses o f standard b u d gets. U .S . D ep artm en t o f L ab or, B ureau o f L ab or S ta tistics, “ W ork e r s’ B u d gets in the U n ited States: C ity F am ilies and Sin gle P erso n s, 1946 and 1947,” (B u lletin 927, 1948). C o n cep ts, d efin ition s, and tech n iq u es u sed in d ev elo p in g the original C ity W orker’s F am ily B u d get for a fou r-p erson fam ily, d etailed list o f g o o d s and se r v ic es p riced , and 1946-47 c o st estim a tes for 34 c ities. A lso an historical su rvey o f fam ily b u d g e ts, and su m m ary d ata on S ta te b u d g ets for sin g le w o m en w ork ers. “ A B u d get for an E ld erly C o u p le ,” Social Security Bulletin, F ebruary 1948, pp. 4-12. E stim ates o f th e c o s t o f a “ m o d e st but ad eq u ate” standard o f livin g for a co u p le age 65 or old er, at M arch 1946 and June 1947 p rices, in eigh t large c ities. (C on cep ts and tech n iq u es u sed to co m p ile this b u dget w ere parallel to th o se em p lo y ed in d ev elo p in g the original B L S C ity W ork er’ B u d get. S e e R efer e n c e N o . 18.) Chapter 13. Consum er P rices M uch o f the follow ing description o f m ethodology, sam pling, com pilation, and presentation o f the C on sum er Price Index w ill be superseded by the R evised CPI scheduled to be introduced with the release o f the index for April 1977.1 B ack grou nd T he C on sum er Price In d ex w as initiated during W orld W ar I w h en rapid ch a n g es in livin g c o s ts, particularly in shipbuilding cen ters, made such an index essential in w age negotiations. T o provide appropriate w eighting patterns for th e in d ex, studies o f fam ily expenditures w ere con d ucted in 92 industrial centers in 1 9 1 7 - 1 9 . T h e B u reau o f L a b o r S ta tis tic s b egan publication o f in d exes for 32 individual cities in 1919. Regular publication o f U .S . city average ind exes was not begun until 1921, but in d exes w ere estim ated back to 1913.2 S in ce that tim e the w eighting factors, the list o f item s included in the market basket, and the cities in w hich price data w ere co llected for calculating the in d ex have b een updated several tim es. B eca u se p e o p le ’s buying habits had changed sub stantially by the m id-1930’s, a new study w as made covering exp en d itures in the years 1 9 3 4 -3 6 which provided the basis for a com preh en sively revised index introduced in 1940 w ith retroactive calculations back to 1935. During W orld War II, w hen m any com m odities were scarce and good s w ere rationed, the index w eights w ere adjusted tem porarily to reflect th ese shortages. Again in 1950, the Bureau m ade interim adjustm ents, b ased on su rveys o f consum er expenditures in seven c itie s b e tw e e n 1947 and 1949, to reflect the m ost im portant effects o f im m ediate p ostw ar changes in buying p attern s.3 This adjustm ent w as follow ed by the first com p reh en sive p ostw ar revision o f the index, *See article b y Julius S h isk in , “ U p d atin g the C on su m er Price In d ex— A n O v e r v ie w ,” M o n th ly L a b o r R e v ie w , July 1974, pp. 3 - 2 0 . C o lle c t io n o f food p rices b ack to 1890 had b een initiated in 1903. D uring the c o u rse o f th e 1 9 1 7 - 1 9 exp en d itu re su rvey, retail p rices for other a rticles w ere c o lle cte d in 19 cities for D ecem b er o f ea ch year b a ck to 1914 and in 13 o th er c ities back to D ecem b er 1917 on ly. Retail p rices o f fo o d and w h o le sa le prices o f oth er item s w ere u sed to estim a te p rice change from 1914 b ack to 1913. 3S e e I n te r im A d j u s t m e n t o f C o n s u m e r s ’ P r ic e I n d e x (B L S B ulletin 1039, 1951). w hich w as com pleted in January 1953.4 At that time, not only w ere the w eighting factors, list o f item s, and sources o f price data updated, but many im provem ents in pricing and calculation m ethods were introduced. A lso, coverage o f the index w as extended to small cities so as to represent all urban wage-earner and clerical-w orker fam ilies. The m ost recent revision was com pleted in 1964, with the introduction o f new expen diture w eights based on spending patterns in 1 9 6 0 -6 1 , and updated sam ples o f cities, goods and services, and retail stores and service establishm ents. The manner in w hich the index has been used and its acceptance by the public have changed from time to tim e. It has seen m any appraisals, criticism s, and investigations. Perhaps the m ost far-reaching study was conducted during World War II by the President’s C o m m itte e on th e C o st o f L iv in g .5 T he H o u s e C om m ittee on E d u ca tio n and L abor co n d u cted a detailed exam ination o f the index in 1951.6 The m ost recent study w as made by the Price Statistics R eview C om m ittee, ap poin ted by the N ation al B ureau o f E conom ic R esearch, at the request o f the O ffice of Statistical Standards o f the Bureau o f the Budget, to review all governm ent price sta tistic s.7 A s a result o f th ese investigations and the B ureau’s continuing efforts to im prove the index, changes in coverage, collection , and calculation procedures have been introduced at various tim es. E xam ples o f these changes include the addition o f m edium and small cities to the city sam ple in 1953, the exten sion o f coverage to include single workers in 1964, and in stitution o f direct pricing o f restaurant m eals in 1953. a n d S c o p e . 9, The C onsum er Price Index (CPI) is a statistical m easure o f changes in prices o f goods and services bought by urban wage earners and cleri- C o n c e p t 4S e e C o n s u m e r P r ic e s in th e U n ite d S t a t e s 1953 - 5 8 (B L S B u lle tin 1256). 3R e p o r t o f th e P r e s i d e n t ’s C o m m itte e o n th e C o s t o f L iv in g , O ffice o f E co n o m ic S tab ilization , W ash in gton, 1945. ^ C o n s u m e r s ’ P r ic e I n d e j c-R ep ort o f a S p ecial Su b com m ittee o f the C om m ittee on E d u cation and L abor. H o u se o f R ep resen tatives, 82/1, S u b com m ittee R eport N o . 2, W ash in gton, 1951. 'G o v e r n m e n t P r ic e S ta f/s//c.s-H earin gs before the Su bcom m ittee on E co n o m ic S tatistics, Joint E co n o m ic C om m ittee, C on gress o f the U n ited S ta tes, 87/1, Part 1, W ash in gton, January 24, 1961. 8S e e article b y S id n ey A . Jaffe, “ T he Statistical Structure o f the R ev ised C P I” , M o n th ly L a b o r R e v ie w , A u gu st 1964, pp. 9 1 6 -9 2 4 . 87 88 BLS HANDBO O K OF METHODS cal w o rk ers,9 including fam ilies and single persons. The index often is called the “ cost-of-living in d ex ,” but its official nam e is C on sum er Price Index for Urban W age Earners and Clerical W orkers. It m ea sures changes in p rices, w hich are the m ost impor tant ca u se o f ch an ges in the c o st o f livin g, but it d oes not indicate how much fam ilies actually spend to defray their living ex p en ses. Prior to January 1964, the com plete name for the index was: Index o f Change in Prices o f G oods and S ervices Purchased by City W age-Earner and Clerical-W orker Fam ilies to M ain tain Their L evel o f L iving. The C onsum er Price Index is a w eighted aggrega tive index number with “ fix e d ” or “ con stan t” annual w e ig h ts , or it o ften is referred to as a “ m arket b asket” index. T hus, in the C onsum er Price Index the procedure is to m easure price change by repricing at regular tim e intervals and com paring aggregate costs o f the good s and services bought by consum ers in a selected base period. The quantities o f th ese goods and se r v ic e s are kept con sta n t e x c e p t at tim es o f w eight revision s. S in ce new w eights are introduced w ithout affecting the index lev el, any change in aggre gate co sts is due to price change. The quantities repre sent not only annual consum ption o f the goods and services actually priced for the index but also con sum p tion o f related item s for w hich prices are not obtained, so that the total co st o f the market basket represents total consum er spending for good s and services. The index represents price change for everything people buy for living— fo o d , clothing, au tom obiles, h om es, h ou sefu rn ish in gs, h ou seh old su p p lies, fu el, drugs, and recreational goods; fe es to d octors, law yers, beauty shops; rent, repair c o sts, transportation fares, public utility rates, e tc ., including all taxes directly a s s o c ia te d w ith th e p u r ch a se o f an item and its contin ued ow n ersh ip . It deals with prices actually charged to con su m ers, including sales and ex c ise taxes, since th ese are an inherent part o f the market price the consum er m ust pay for good s and services subject to such taxes. It also includes real estate taxes on ow ned h om es w hich are part o f the price o f hom e9T he d efin ition o f w a g e earners and clerical w ork ers is b ased o n the occu p a tio n a l cla ssifica tio n u sed by the B ureau o f the C en su s for the 1960 C en su s o f P opulation and listed in the A lph abetical In d ex o f O ccu p a tio n s and In du stries. T he group in clu d es craftsm en, forem en , and kindred w o rk ers, su ch as carp en ters, b ook b in d ers, etc.; op era tiv es and kindred w ork ers, su ch as app rentices in the building trades, d eliv ery m en , fu m a c em e n , sm elters, and p ou rers, e tc.; clerical and kindred w ork ers; serv ice w ork ers, e x c e p t private h ou seh old , su ch as w a itr esses, practical n u rses, e t c .; sales w orkers; and laborers, e x ce p t farm and m ine. It e x clu d es p ro fessio n a l, tech n ical, and kindred w o rk ers, su ch as en gin eers and teach ers; farm ers and farm m anagers; m anagers, o fficia ls and proprietors; private h ou seh old w orkers; and farm laborers and su p ervisors. A con su m er unit inclu ded in the 1960—61 S u rv ey o f C on su m er E xp en d itu res w as cla ssified in the in d ex group if m ore than h alf the com b in ed in com e o f all fam ily m em b ers w a s ob tain ed in a w age-earner and clerical-w ork er o ccu p a tion and at lea st o n e fam ily m em b er w a s a full-tim e earner (i.e ., http://fraser.stlouisfed.org/ w ork ed 37 w e e k s or m ore during the su rvey year). Federal Reserve Bank of St. Louis ow nership. H ow ever, it d oes not include incom e or other personal taxes, since they are not associated with prices o f specific goods and services although they may have an indirect im p a ct.10 Since 1953, it has treated the purchase o f a hom e in the sam e way as the purchase o f such durable goods as autom obiles, refrigerators, etc. In the 1964 revision, the index coverage w as e x tended to include single con su m er u n its11 in addi tion to fam ilies o f tw o or m o re.12 The average size o f fa m ilies rep resen ted in the in d ex is about 3.7 persons, and their average fam ily incom e in 1960-61 w as about $6,230 after taxes. The average incom e after taxes o f single persons represented in the index w as about $3,560. e i g h t i n g S t r u c t u r e . The annual consum ption patterns represen ted in the index sin ce January 1964 w ere determ ined in the Survey o f Consum er Expenditures (C E S )13 in 66 Standard M etropolitan Statistical Areas (S M S A ’s) and smaller cities covering the period 1960— 61, excep t for A nchorage, A laska, which w as surveyed for 1959. E xpenditure records were obtained from the 4,343 urban fa m ilies o f tw o or m ore p erson s and from the 517 single workers included in the survey w ho were classified as w age earners or clerical w ork ers. S ixteen cities in the sm allest size class which w ere included in the 1960—61 survey are not included in the CPI sam ple for pricing. H ow ever, in the w eight derivation, expenditures by consum er units in th ese small cities w ere included with th ose for the 16 small cities priced for the index, so that the resulting weights are based on the total sam ple o f 32 small cities. In establishing index w eights from the detailed ex penditure data, about 400 item s were selected objec tively to com p ose the “ market b asket” for current pricing, beginning with the January 1964 “ new series” indexes. N o t all item s are priced in every SM S A or city. In order to make possib le estim ates o f sampling error, tw o subsam ples o f item s have been established. T hese are priced in different areas and in different outlet sam ples, as indicated in table 1. The population w eights W 10F or a m ore detailed d isc u ssio n , se e “ T a x es and the C on su m ers’ P rice In d e x ,’’ Monthly Labor Review, January 1958, pp. 5 3 —57. 11A p erson livin g a lon e or in a h ou seh old w ith others from w h o m he w as fin an cially ind ep en dent; i.e ., his in com e and exp en d itu res w ere not p o oled . T erm s su ch as “ single p erso n s, single w ork ers, sin g les, e t c .’’ u sed su b seq u en tly, refer to single con su m er units and n ot to unm arried p erson s. 12F rom January through N o v em b er 1964, the B ureau com p u ted a separate in d ex applying o n ly to fam ilies o f tw o or m ore, for com para bility w ith the p reviou s series. S in ce the sam e item s w ere priced for fam ilies and sin g les, the overall m o v em en t o f the separate ind ex w as identical w ith the in d ex inclu ding sin gle w ork ers and it w as d isc o n tinued. 13T h e S u rvey o f C on su m er E xp en d itu res is d isc u sse d in ch. 11 o f this bu lletin . T h e se lec tio n o f the exp en d itu re su rvey and CPI city sam p les is d escrib ed in detail in an article by M arvin W ilk erson , “ T he R ev ised C ity S am p le for the C on su m er P rice In d e x ,’’ Monthly Labor Review, O ctob er 1960, pp. 1 0 7 8 -1 0 8 3 . CONSUMER PRICES T a b le 1. 89 C ities, p op u latio n w e ig h ts , a n d p ricing s c h e d u le fo r th e re v is e d c o n s u m e r p ric e in d ex P r ic in g s c h e d u le 2 C ity a n d s iz e s tr a tu m O th e r ite m s P o p u la tio n w e ig h t1 Food3 S c h e d u le 3 S a m p le s * M S ta n d a r d m e tr o p o lita n s t a t i s t ic a l a r e a s o f 1 , 4 0 0 ,0 0 0 o r m o re in I 9 6 0 : B a ltim o r e , M d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B o s to n , M a s s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C h ic a g o - N o r th w e s te r n In d ia n a 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C le v e la n d , O h io . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 .4 0 2 1 .9 3 0 5 .5 5 2 1 .3 2 5 D e tr o it, M ic h . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L o s A n g e le s - L o n g B e a c h , C a l i f . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N e w Y o r k - N o r th e a s te r n N e w J e r s e y 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P h ila d e lp h ia , P a . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 .8 9 5 5 .0 1 7 1 2 .5 7 7 2 .7 0 3 P itts b u r g h , P a . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S t. L o u is , M o . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S a n F r a n c is c o - O a k la n d , C a l if . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . W a s h in g to n , D .C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 .5 6 5 1 .4 2 8 2 .3 7 2 1 .2 5 5 S ta n d a r d m e tr o p o lita n s t a t i s t ic a l a r e a s o f 2 5 0 ,0 0 0 to 1 ,3 9 9 ,9 9 9 in I 9 6 0 : 5 A t la n t a , G a . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B u ffa lo , N . Y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C in c in n a t i, O h io -K y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D a lla s , T e x . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D a y to n , O h i o . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 .9 3 4 2 .3 4 7 .7 4 0 2 .9 3 4 1 .0 9 6 D e n v e r, C o lo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H a r tfo r d , C o n n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H o n o lu lu , H a w a i i . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H o u s to n , T e x . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .......................... In d ia n a p o lis , In d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 .8 3 8 2 .3 4 8 .3 5 4 .9 9 9 1 .0 9 5 K a n s a s C ity , M o .- K a n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M ilw a u k e e , W is . . . . . . . . . . . . . . . . . . . . . ...................................................... M in n e a p o lis - S t . P a u l, M in n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N a s h v ille , T e n n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S a n D ie g o , C a l i f . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S e a t t le , W a s h . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . W ic h ita , K a n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 1 0 .8 5 0 1 .0 4 2 2 .9 3 3 .6 7 2 1 .8 3 7 1 .0 9 6 S ta n d a r d m e t r o p o lit a n s t a t i s t ic a l a r e a s o f 5 0 ,0 0 0 to 2 4 9 ,9 9 9 in I 9 6 0 : A u s tin , T e x . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B a k e r s fie ld , C a l i f . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B a to n R o u g e , L a . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C e d a r R a p id s , I o w a . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C h a m p a ig n - U r b a n a , II I. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 .2 5 0 1 .3 2 3 1 .2 5 0 1 .2 8 4 1 .2 8 4 D u rh a m , N .C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G re e n B a y , W is . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L a n c a s te r , P a . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . O r la n d o , F la . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P o r tla n d , M a in e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 .2 5 0 1 .2 8 4 1 .8 0 3 1 .2 5 0 1 .8 0 3 U rb a n p la c e s o f 2 ,5 0 0 to 4 9 ,9 9 9 in I 9 6 0 : A n c h o r a g e , A la s k a . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C r o o k s to n , M in n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D e v ils L a k e , N . D a k . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F in d la y , O h io . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F lo re n c e , A l a . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1A , 1A , 1A , I B , 1A, V \ I 1 I V f 1A, IB , 2A, 2B 1 1 1 1A , 1A, 1A , 1A, 2B 2B 2B 2B 1A, 1A, 1A , IB , 1A, I B , I 2B 2B 2A, 2B 2A, 2B 1A , 1A , 1A , 1A , 1A , \ 1 1 1 1 1 1 \/ 2B 2B 2A, 2B 2B 1A , 2 B 2 3 X X X X X X X X X X X X 2B 2B 2B 2B 2B X X X X X X 1 1i nA, CD 9R I 1 1 I 1 1A, 2 B 1A, 2 B 7 X X X 1A , 2 B 1A, 2 B 1A , 2 B X 2 X 1A , 2 B 1A , 2 B 1A , 2 B / X X 2 X X X X # 1 2 2 1 2 2 X 1A, 2 B 1A , 2 B 1A, 2 B 1A, 2 B X X 1A, 2 B 1A, 2 B 1 1 1 1 1A , 2 B 1A , 2 B 2 2 .0 6 5 1 .3 5 2 1 .3 5 2 1 .3 5 2 1 .2 2 7 1,2 1 1, 2 1 2 2 K in g s to n , N .Y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K la m a th F a lls , O r e g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L o g a n s p o r t , In d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M a n g u m , O k la . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M a r t in s v ille , V a . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M c A lle n , T e x . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M illv ille , N .J . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N ile s , M ic h ...... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . O re m , U ta h . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S o u th b r id g e , M a s s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See footnotes at end of table. 1 X X X X X X X X X X X 1 1 1 1 1 .1 7 1 1 .3 3 8 1 .3 5 2 1 .2 2 6 1 .2 2 7 2 2 1 1 2 2 1 1 2 2 X 1 .2 2 7 1 .1 7 1 1 .3 5 1 1 .3 3 9 1 .1 7 0 2 2 2 2 X 1 1 2 2 1 1 X X X X X X X X X 90 BLS HANDBOOK OF METHODS T a b le 1. C ities, p op u latio n w e ig h ts , a n d p ricin g s c h e d u le fo r th e r e v is e d c o n s u m e r p ric e in d e x — C o n tin u ed P r ic in g s c h e d u le 2 C ity a n d s iz e s tr a t u m P o p u la t io n w e ig h t1 O th e r ite m s Food3 S c h e d u le 3 S a m p le s M 1 2 3 D. U rb a n p la c e s o f 2 ,5 0 0 to 4 9 ,9 9 9 in 1 9 6 0 — C o n tin u e d U n io n , S .C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V ic k s b u r g , M is s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 The 18 la rg e s t S tan dard M etropolita n S ta tis tic a l A reas as d efin ed for the 1960 Census o f Popu lation w ere selected on a certain ty b a sis and represen t th em selves only in the popu lation w eig h t pattern s. The oth er sam p le selection s carry not only th eir own population w eig h ts but a lso prorata sh ares o f the population w eigh ts o f a ll c itie s in th eir region in the sa m e popu lation cla ss. 2 Item sa m p les a re id en tified as sa m p les “ 1” and “ 2 .” O u tlet sa m p les are id en tified as sam p les “ A ” and “ B .” The determ in ation as to the exten t o f sa m p lin g w ithin an area dep en ded on plans for pu blish in g sep a ra te area indexes and on plans for d evelop in g e s tim a te s fo r sa m p lin g error and its com ponents. show n in the table are u sed to com bine price data for the 56 individual areas in the CPI sam ple into a U .S . city average. T hey w ere derived from the 1960 C ensus o f Population but adjusted to represent the w age-earner clerical-w orker coverage o f the CPI. For the 18 largest S M S A ’s, w hich are included in the sam ple w ith certain ty, th e w eigh ts are b ased on their respective populations only. F or the remaining cities, w hich w ere selected by probability sam pling m ethods to represent all other urban p laces, the w eights repre sent not only the specific city population, but also the population o f all cities in the sam e region and size class. T hus, every city in the sam e region and size class (other than the 18 largest) has identical popula tion w e ig h ts.14 The list o f item s priced includes all the m ost im portant good s and services and a sam ple o f the less important o n es. In com bination, th ese represent all item s purchased. Table 4 con tain s a com plete list o f the item s priced for the index. T he content o f this market basket in term s o f item s, quantities, and quali tie s is k ep t e s s e n tia lly u n c h a n g e d 15 in th e in d ex calculation b etw een major revision s so that any m ove m ent o f the in d ex from on e m onth to the n ext is due so lely to changes in prices. A com parison o f the total co st o f the market basket from period to period yields the m easure o f average price change. In th e s e le c tio n o f th e item sam p le for the re v ised C PI, ex c ep t for the ch o ice o f the particular quality or variety o f the item to be priced (sp eci fication), probability sam pling techniques w ere u sed, as described later. T he more important item s are in cluded in the sam ple with certainty. The remaining 14S ix additional B siz e Standard M etrop olitan Statistical A reas w ere added to the national in d ex in January 1966. S in ce th ey w ere se lec ted ou tsid e the probab ility fram ew ork , th ey w ere assign ed on ly their ow n pop ulation w eigh t w h ich w as su b stracted from that o f other B cities in the sam e region. Digitized forstratum FRASER 1"Minor w eight revisions are introduced by linking. http://fraser.stlouisfed.org/ Federal Reserve Bank of St. Louis 1 .2 2 7 1 .2 2 6 1 2 1 2 X X 3 Foods, fu els, and several other item s a re priced every month in all cities. Prices o f a few item s are co llected sem ian n u ally or an n ually in all cities. Prices o f other good s and services are obta in ed on the sch edu le in dicated: M = E very m onth. l= J a n u a ry , April, July, and October. 2 = February, May, A u gust and Novem ber. 3 = M arch, June, S eptem ber, and D ecem ber. 4 Stan dard C on solid ated Areas. 5 Popu lation w eig h ts revised fo r th is group begin n in g January 1966. item s within a given expenditure class were selected with probability. The relative im portance o f a certainty item represents consum er spending for that item only. “ Probability” item s represent all other item s within the expenditure class. T he total w eight o f these item s is divided equally am ong the probability item s within an expenditure class. Table 2 show s relative impor tan ces in the national index as o f D ecem b er 1963. Individual relative im portances are not show n in the table for p robability item s; rather their com bin ed im portance is show n as “ other priced item s” in each expenditure class. Data Sources and Collection Methods Prices are obtained in the 56 area CPI sam ple by personal visit to a representative sam ple o f nearly 18,000 stores and service establishm ents where w age and clerical w orkers buy goods and services, including chain stores, independent grocery stores, department and specialty stores, restaurants, professional people, and repair and service sh o p s.16 Rental rates are ob tained from about 40,000 tenants. Reporters are lo cated both in the city proper and in suburbs o f each urban area. C ooperation is com pletely voluntary. Prices are co llected in each urban location at in tervals ranging from on ce every month to on ce every 3 m onths, as indicted in table 1, with a few item s su rveyed sem ian n ually or annually. B eca u se food prices change frequently, and b ecau se food s are a significant part o f total spending, food pricing is con ducted every month in each urban location. Prices o f m ost other goods and services are collected every month in the five largest urban areas and every 3 16F or a m ore co m p lete d isc u ssio n , se e The Consumer Price Index: Pricing and Calculation Procedures, unnum bered paper by D oris P. R o th w ell, B ureau o f L abor S ta tistics, U .S . D epartm en t o f L abor, 1964. C O N SU M E R PRICES 91 Table 2. Consum er price index (new se r ie s)1 relative importance of major groups, sp ecial groups and individual item s se le c te d with certainty2 D ecem ber 1963 C o m p o n e n ts A ll ite m s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P ercen t o f a ll ite m s D ecem ber 1963 100.00 M A JO R G R O U P S Food ....................................................................... H o u s in g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A p p a rel an d u p k e e p ................................................. T r a n s p o r ta tio n ........................................................ H e a lth a n d r e c r e a tio n ............................................. M e d ic a l c a r e ................................................... P e r s o n a l c a r e .................................................. R e a d in g a n d r e c r e a tio n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . O th e r g o o d s a n d s e r v ic e s ................................. 2 2 .4 3 3 3 .2 3 1 0 .6 3 1 3 .8 8 1 9 .4 5 5 .7 0 2 .7 5 5 .9 4 5 .0 6 S P E C IA L G R O U P S A ll ite m s le s s s h e l t e r . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A ll ite m s le s s fo o d .................................................. 7 9 .8 5 7 7 .5 7 C o m m o d itie s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N o n d u r a b le s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D u r a b le s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S e r v ic e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C o m m o d itie s le s s fo o d ............................................ N o n d u r a b le s le s s f o o d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A p p a r e l c o m m o d it ie s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A p p a r e l c o m m o d it ie s le s s f o o t w e a r . . . . N o n d u r a b le s le s s fo o d a n d a p p a r e l ........... H o u s e h o ld d u r a b le s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H o u s e f u r n is h i n g s ....... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S e r v ic e s le s s r e n t ................................................... H o u s e h o ld s e r v ic e s le s s r e n t ............................ T r a n s p o r ta tio n s e r v ic e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M e d ic a l c a r e s e r v i c e s '. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . O th e r s e r v i c e s .................................................. 6 5 .9 7 4 7 .1 9 1 8 .7 8 3 4 .0 3 4 3 .5 4 2 4 .7 6 9 .1 6 7 .6 5 1 5 .6 0 5 .6 9 4 .7 2 2 8 .5 3 1 3 .4 7 4 .8 6 4 .5 6 5 .6 4 IN D IV ID U A L IT E M S Food ....................................................................... Food a t h om e .................................................. C e r e a ls a n d b a k e r y p r o d u c ts . . . . . . . . . . . . . . . . . . . . . C e r e a l s ............................................. B a k e r y p r o d u c ts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . W h it e b r e a d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . O th e r p r ic e d ite m s ..................... M e a ts , p o u ltry , a n d f is h ........................... M e a ts ............................................... B e e f a n d v e a l ............................ H a m b u r g e r .......................... S te a k ................................. O th er, p r ic e d ite m s ............. P o r k ........................................... P o rk c h o p s . . . . . . . . . . . . . . . . . . . . . . . . . . B a con ................................ O th e r p r ic e d ite m s ............. O th e r m e a t s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P o u ltr y ............................................. F r y in g c h i c k e n s . . . . . . . . . . . . . . . . . . . . . . . . . . O th e r p r ic e d it e m s . . . . . . . . . . . . . . . . . . . . . F i s h .................................................. D a iry p r o d u c ts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M ilk , fr e s h (g r o c e r y ) . . . . . . . . . . . . . . . . . . . . . . . . . . M ilk , fr e s h ( d e l i v e r e d ) ....................... B u tte r . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . O th e r p r ic e d ite m s ............................ F r u its a n d v e g e t a b le s .................. ............ F resh f r u i t s ....................................... A p p l e s ....................................... B a n a n a s .................................... Seefootnotes at endof table. 2 2 .4 3 1 7 .8 9 2 .4 5 .8 0 1 .6 5 .6 0 1 .0 5 5 .6 3 4 .4 5 2.21 .5 7 .8 0 .8 4 1 .3 0 .3 6 .3 0 .6 4 .9 4 .7 3 .5 1 .22 .4 5 2 .8 0 .8 5 .68 .2 5 1.02 3 .0 2 .7 6 .1 7 .1 5 C o m p o n e n ts F o o d — C o n tin u e d F o o d a t h o m e — C o n tin u e d F ru its a n d v e g e t a b le s — C o n tin u e d F resh f r u it s — C o n tin u e d O ra n g e s ..................................... O th e r p r ic e d ite m s . . . . . . . . . . . . . . . . . . . . . F resh v e g e t a b le s .............................. L e t t u c e ...................................... P o ta to e s .................................... T o m a t o e s .................................. O th e r p r ic e d ite m s . . . . . . . . . . . . . . . . . . . . . P r o c e s s e d fr u it s a n d v e g e t a b l e s ........ O th e r fo o d a t h o m e .................................. E gg s ................................................. F a ts a n d o i l s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M a r g a r in e ................................. O th e r p r ic e d ite m s . . . . . . . . . . . . . . . . . . . . . S u g a r a n d s w e e t s ............................. N o n a lc o h o lic b e v e r a g e s . . . . . . . . . . . . . . . . . . . . . C o ffe e , c a n a n d b a g .................. O th e r p r ic e d ite m s . . . . . . . . . . . . . . . . . . . . . P r e p a r e d a n d p a r t ia lly p r e p a r e d fo o d .. F o o d a w a y fr o m h o m e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R e s t a u r a n t m e a ls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B e tw e e n m e a l s n a c k s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H o u s in g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S h e lte r ...................... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R e n t ........................................................ H o te ls a n d m o t e l s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H o m e o w n e r s h ip ........................................ P u rc h a s e an d f in a n c in g ..................... H om e p u rc h a s e .......................... M o r t g a g e in t e r e s t ...................... T a x e s a n d i n s u r a n c e ........... ............ R e a l e s t a t e t a x e s ....................... P r o p e r ty in s u r a n c e . . . . . . . . . . . . . . . . . . . . . M a in t e n a n c e a n d r e p a ir s .................. C o m m o d itie s ............................. S e r v ic e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F u el a n d u t i l i t i e s ............................................. F u el o il a n d c o a l . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F u el o il ............................................. C o a l ................................................. G a s a n d e l e c t r i c i t y ................................... G as .................................................. E le c t r ic it y .......................................... O th e r u t i l i t i e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T e le p h o n e .......................................... W a te r a n d s e w e r a g e .......................... H o u s e h o ld fu r n is h in g s a n d o p e r a t i o n ................ T e x tile h o u s e fu r n is h in g s ........................... F u r n it u r e .................................................. B e d ro o m s u ite .................................. L iv in g ro o m s u i t e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . O th e r p r ic e d ite m s ............................ F lo o r c o v e r i n g s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R u g s , s o ft s u r fa c e ............................ O th e r p r ic e d ite m s ............................ A p p lia n c e s ................................................ R e fr ig e r a t o r s ..................................... O th e r p r ic e d ite m s ............................ O th e r h o u s e fu r n is h in g s ............................ H o u s e k e e p in g s u p p lie s ....................... H o u s e k e e p in g s e r v i c e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D o m e s tic s e r v ic e .............................. B a b y s it t e r ....................................... P o s ta g e ............................................ O th e r p r ic e d ite m s ............................ Percen t of a ll ite m s D ecem b er 1963 .20 .2 4 .9 4 .1 6 .2 4 .1 4 .4 0 1 .3 2 3 .9 9 .6 4 .5 5 .1 5 .4 0 .6 4 1.01 .4 0 .6 1 1 .1 5 4 .5 4 3 .7 5 .7 9 3 3 .2 3 2 0 .1 5 5 .5 0 .3 8 1 4 .2 7 9 .1 1 6 .2 8 2 .8 3 2 .1 3 1 .7 2 .4 1 3 .0 3 .9 8 2 .0 5 5 .2 6 .7 3 .6 7 .0 6 2 .7 1 1 .3 0 1 .4 1 1 .8 2 1 .3 8 .4 4 7 .8 2 .6 1 1 .4 4 .2 8 .2 8 .88 .4 8 .3 4 .1 4 1 .3 6 .2 8 1 .0 8 .8 3 1 .5 5 1 .5 5 .2 6 .2 9 .2 3 .7 7 92 B LS H A N D B O O K OF M ETH O D S Table 2. Consum er price index (new ser ie s)1 relative importance of major groups, sp ecial groups and individual item s se le c te d with certainty2 D ecem ber 1963—Continued P ercen t o f a ll ite m s D ecem b er 1963 C o m p o n e n ts A p p a re l a n d u p k e e p ..................... M e n 's a n d b o y s ’ a p p a r e l ..... M e n ’s a p p a r e l .............. S u its , y e a r ro u n d .. O th e r p r ic e d ite m s B o y s ’ a p p a r e l .............. W o m e n ’s an d g ir ls ' a p p a re l W o m e n ’ s a p p a r e l ......... W in t e r c o a t s ....... S t r e e t d r e s s e s ...... H o s e , n y l o n .......... O th e r p r ic e d ite m s G ir ls ’ a p p a r e l . . . . . . . . . . . . . . F o o tw e a r ............................ S t r e e t s h o e s , m e n ’s ...... S tr e e t s h o e s , w o m e n ’ s .. O th e r p r ic e d ite m s ...... O th e r a p p a r e l ..................... C o m m o d itie s . . . . . . . . . . S e r v i c e s ...................... D ry c l e a n i n g . . . . . . . . . M e n 's s u it . . . . W o m e n ’s d r e s s O th e r p r ic e d ite m s 1 0 .6 3 T r a n s p o r t a t io n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P r iv a t e tr a n s p o r t a t io n ...................................... A u to s a n d r e la t e d g o o d s ........................... A u to p u r c h a s e .................................. N ew c a r s .................................... U s e d c a r s .................................. G a s o lin e a n d m o to r o il ...................... G a s o lin e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M o to r o il . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A u to p a r ts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A u to m o b ile s e r v i c e s ........................... A u to r e p a ir s a n d m a in t e n a n c e . . . . O th e r a u t o m o b ile e x p e n s e s . . . . . . . . . A u to i n s u r a n c e . . . . . . . . . . . . . . . . . . . . R e g is t r a t io n f e e s ................ D r iv e r s ' lic e n s e .................. P a r k in g f e e s ....................... A u to fin a n c in g c h a r g e s 3 ..... P u b lic t r a n s p o r t a t i o n ....................................... L o c a l t r a n s it ............................................ T a x ic a b s .................................................. T r a in f a r e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A ir p la n e f a r e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . In t e r c ity b u s f a r e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3 .8 8 1 2 .6 4 9 .0 2 5 .0 2 2 .5 5 2 .4 7 3 .2 8 3 .0 5 .2 3 .7 2 3 .6 2 .9 8 2 .6 4 1 .4 2 .3 7 .0 4 .1 8 .6 3 1 .2 4 .7 8 .1 4 .0 7 1 For a description o f th e new series, see Description, 1971. 2.86 2.21 .3 6 1 .8 5 .6 5 4 .0 8 3 .2 3 .2 8 .5 0 .3 9 2 .0 6 .8 5 1 .5 1 .2 6 .2 6 .9 9 2 .1 8 .7 1 1 .4 9 .7 9 .4 4 .3 5 .68 Percen t o f a ll ite m s D ecem b er 1963 H e a lth a n d r e c r e a t io n ............................................. M e d ic a l c a r e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ‘ D r u g s a n d p h a r m a c e u t ic a ls ...................... O v e r - th e - c o u n te r ite m s ...................... P r e s c r ip t io n s ..................................... P r o fe s s io n a l s e r v ic e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F a m ily d o c to r , h o u s e v i s i t ................. F a m ily d o c to r , o f f i c e v i s i t ................. O p to m e tr ic e x a m in a tio n a n d e y e g l a s s e s ............. : ..................... D e n t is t s ’ f e e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . O th e r p r ic e d ite m s ............................ H o s p ita l s e r v ic e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H e a lth in s u r a n c e 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H o s p ita l s e r v ic e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N o n h o s p ita l s e r v i c e s . . . . . . . . . . . . . . . . . . . . . . . . . . O v e r h e a d ........................................... P e r s o n a l c a r e .................................................. T o ile t g o o d s ............................................. S e r v ic e s .................................................... M e n ’ s h a ir c u t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . O th e r p r ic e d ite m s ............................ R e a d in g a n d r e c r e a t io n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R e c r e a tio n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R e c r e a t io n a l g o o d s .. . . . . . . . . . . . . . . . . . . . . . . . . . . . TV s e t s ...................................... O th e r p r ic e d ite m s . . . . . . . . . . . . . . . . . . . . . R e c r e a t io n a l s e r v i c e s ........................ M o v ie s (in d o o r ) . . . . . . . . . . . . . . . . . . . . . . . . . . B o w lin g f e e s ............................. O th e r p r ic e d it e m s ..................... R e a d in g a n d e d u c a t i o n ............................. N e w s p a p e r s ...................................... C o lle g e t u i t i o n .................................. O th e r p r ic e d ite m s ............................ O th e r g o o d s a n d s e r v ic e s ................................. T o b a c c o p r o d u c t s ...................................... C i g a r e t t e s ........................................ O th e r p r ic e d ite m s ............................ A lc o h o lic b e v e r a g e s .................................. B e e r ............... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . W h is k e y a n d w in e ............................. A w a y fr o m h o m e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P e rs o n a l e x p e n s e s ..................................... F u n e ra l s e r v ic e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B a n k s e r v ic e c h a r g e s . . . . . . . . . . . . . . . . . . . . . . . . . L e g a l s e r v ic e s .................................... 1 9 .4 5 5 .7 0 1 .1 4 .5 0 .6 4 2 .5 9 M is c e lla n e o u s 3 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 8 .1 2 .7 7 .2 9 .8 6 .5 5 .3 6 1 .6 1 .6 6 .7 1 .2 4 2 .7 5 1 .5 2 1 .2 3 .5 1 .7 2 5 ,9 4 4 .3 6 2 .7 8 .6 3 2 .1 5 1 .5 8 .3 8 .3 6 .8 4 1 .5 8 .5 0 .2 3 .8 5 5 .0 6 1 .8 9 1 .7 4 .1 5 2 .6 4 1 .0 6 .7 8 .8 0 .5 3 .2 8 .1 2 .1 3 .20 .0 5 The Consumer Price Index, A Short 2 The lis t of item s priced includes a ll the more im portant goods and services and a s am p le of th e less im p o rta n t ones. In c o m b in a tio n , these represent a ll item s included in th e CPI. W eights fo r in d ividual c e rta in ty item s are shown sep arately. Some of th e m , however, a re represented by more th a n one sp e cific atio n , bu t the w eights fo r the in d ividual sp ecificatio n s are not shown. The rem aining w eight of each exp end iture cla s s having both c e rta in ty and pro b ab ility item s w as shared m onths in all other p laces. Pricing o f food is done e a c h m o n th o n 3 c o n s e c u t iv e d a y s e a r ly in th e m onth; rents and item s for w h ich prices are obtained by m ail are reported as o f the 15th o f the month; pricing o f other item s exten d s o v er the entire calendar m onth. T he Bureau u ses mail questionnaires to obtain data on streetcar and bus fares, public utility rates, C o m p o n e n ts equa lly by th e p ro b a b ility item s as of D ecem ber 1 9 6 3 , except in a few cases where w eights fo r d u p lic a te d item s have double w eights. 3 Not a c tu a lly priced; im puted from priced item s. 4 Cost of he a lth insurance is im puted to price changes fo r representative services plus the cost of overhead. For a more com plete discussion, see a rtic le by James C. D augherty, " H ea lth Insurance in the Revised C P I,” Monthly Labor Review, Novem ber 1 96 4 , pp. 1 2 9 9 - 1 3 0 0 . 5 Personal fin a n c in g charges other th a n m ortgage in te re s t and auto fin a n c in g . new spaper prices, and prices o f certain other item s w hich do not require personal visit by Bureau agents. For a num ber o f item s, e .g ., hom e purchase, college tuition, used cars, m agazines, e tc ., data collected by other G overnm ent agen cies or private organizations are used. To insure that the index reflects only changes in CONSUMER PRICES prices and not ch an ges due to quantity or quality differences, the Bureau has prepared detailed specifi cations w hich describe the physical characteristics o f the item s in the m arket b ask et. S p ecia lly trained Bureau representatives exam ine m erchandise in the stores to determ ine w hether the good s and services for which they record prices conform to the specifi cation s. W here the p recisely sp ecified item is not sold at a particular retail establishm ent, the B ureau’s representative q uotes prices and obtains a detailed te c h n ic a l d e s c r ip tio n o f th e item n e a r e st to the physical characteristics o f the specification, in order to insu re that p rices w ill be q u oted on the sam e quality and quantity from tim e to tim e. At the first pricing in an o u tlet th e agen t s e le c ts the v olu m e selling item m eeting sp ecification, making sure that it is regular m erchandise in good condition and avail able in a custom ary assortm ent o f colors, patterns, etc. A t the su b seq u en t pricings the agent p rices the identical item if it is still available in a reasonable assortm ent and selling in substantial volum e. If it is not, she m ust substitute another volum e selling item , m eeting sp ecification, if p ossib le. If she cannot, she prices an item deviating from specification. Prices o f substitute item s m eeting specification are com pared directly. Prices o f deviating item s are introduced by linking or splicing in such a w ay that the difference in price b etw een the specification and the deviating item is n o t r e fle c te d as a p rice c h a n g e . I f it is p o ssib le to obtain an estim ate o f the value o f the quality d ifferen ce, p rices o f the p reviou s item are adjusted by the quality estim ate and com pared with prices for the current month. W hen the sam ple o f reporters is changed for any reason, prices from the new reporter also are intro duced by linking. Sampling A co m p lic a te d in d ex su ch as th e CPI m ust be based on a w h ole com p lex o f sa m p les.17 A sam ple o f cities or areas is required in w hich expenditure sur v ey s and price co llectio n w ill be conducted. Within each area there m ust be a sam ple o f fam ilies or con sum er units, from w hich consum er expenditures will be obtained. It is con ven ien t, but not essential, that the city sam pling points be the sam e for price co llec tion as for the C onsum er Expenditure S urveys. Further, since it is im p ossib le to price all the thou sands o f item s w hich consum ers buy, it is n ecessary to select a sam ple o f item s for pricing, to represent 17F o r a m ore detailed d isc u ssio n , se e Sampling Aspects of the Revised CPI, unnum bered paper by M arvin W ilk erson , Bureau o f L abor S ta tistics, U .S . D epartm en t o f L abor, 1964. 93 price m ovem ent o f all item s. Sam ples o f outlets are needed at each sampling point in which price quota tions are obtained for the selected item s. Finally, pricing usually is done at a specific time o f the month or quarter so there is, in effect, a sampling o f time. In the 1964 revision, the Bureau o f Labor Statistics used probability sam pling to a greater exten t than had been done previously, despite the well-know n diffi c u ltie s in v o lv e d . A t th e sam e tim e , the B ureau attem pted to include in the CPI sampling design som e m ethod for obtaining an estim ate, even if only a crude on e, o f sampling error. Probability sampling is a n eces s ity , o f c o u r s e , if th is is to b e d o n e in a c o n ventional manner. H ow ever, even if probability sam pling could be follow ed rigorously through all the com plicated CPI structure, the m ere com putational load would be so exten sive that it would be impractical to com pute m easures o f error excep t by som e “ sim ple” approach. T he o b jec tiv e, th erefo re, has been ap proached by the “ replication” m ethod. The sam ple design includes an ex post facto pair ing o f probability cities (or Standard M etropolitan Statistical A reas), tw o replicated item sam ples, and replicated outlet sam ples. In addition to the minimum program, designed to produce an estim ate o f the total sampling error in the index from all sources, the struc ture includes more extended replication in selected cities aim ed at perm itting so m e evalu ation o f the com ponents o f the error, that is, variation in sampling results due to sampling o f cities, item s, and outlets. S a m p le . A co re sam p le o f 50 S M S A ’s (se e footnote 13) or smaller cities for the index, supple m ented by 16 additional D size cities for the fam ily expenditure surveys was the m aximum size consistent with available budget. T hese additional D size cities w ere surveyed because expenditure patterns are more variable am ong small cities than among large cities. T he prim ary sam pling units (P S U ’s) are Standard M etropolitan Statistical Areas as they w ere defined by th e B u rea u o f th e B u d g e t p rio r to th e 1960 C ensus, excep t that the Standard Consolidated Areas for N ew York and Chicago w ere used, plus indivi dual urban places outside the S M S A ’s. B ecause 1960 C ensus data w ere not then available, the m easure o f size used in sam ple selection w as the estim ated urban popu lation as o f January 1, 1959. T he population w eights actually assigned are based on 1960 data. The P S U ’s w ere stratified by broad region and by s iz e in to 12 r e g io n a l-s iz e strata. T h e 12 la rg est S M S A ’s w ere selected with certainty, that is, they represen t th e m se lv e s in the sam ple d esign . S in ce A laska and H awaii have been added in the revised CPI, on e sam ple selection has been allocated to each o f th ese tw o States. The remaining 36 selections are allocated to the 12 regional-size strata on the basis o f relative population and relative co sts o f pricing C ity 94 B LS H A N D B O O K OF M ETH O DS cities o f different size. Four size strata are defined * cal im portance. T hese are: (1) the item level, and f>) as follow s: the level which defines the finest stratification for A. The 12 largest S M S A ’s on the basis o f urban the item sampling; that is, the strata to which allo p o p u la tio n , in e ffe c t th o s e w ith p o p u la tio n o v er cations o f item s are made and within which probability 1,400,000; sam ples o f item s are selected. The term “ expendi B. Other large S M S A ’s with urban population great ture c la ss” (EC) is given to this level. The expendi er than 250,000; ture cla sses are primarily groupings of items which C. S M S A ’s w ith urban p o p u la tio n o f 5 0 ,0 0 0 serve similar human needs. Items are grouped within 250,000; and an EC so that they are as hom ogeneous as possible D. N onm etropolitan urban p laces with population with respect to their physical characteristics. It is not less than 50,000. possible to confine groupings to items which are similar The m ethod o f selection used is know n generally with respect to price m ovem ents. as “ con trolled se le c tio n ” w hich w as described by W ithin an exp en d iture class base period expen R oe G oodm an and L eslie K ish in the Septem ber 1950 diture w eights will be held constant; that is, the EC is s u e o f th e J o u r n a l o f t h e A m e r i c a n S t a t i s t i c a l expenditures serve as a way o f defining the level of A s s o c ia tio n (pp. 3 5 0 -3 7 2 ). This m ethod accom plishes living w hich is to be held constant until the next major revision o f the CPI. The Bureau plans to re a good geographic dispersion o f sampling points across the country. sample item s within an EC betw een major revisions A fter the initial 50-area sam ple w as selected , the w henever there is evid en ce o f a major redistribution o f B L S received funds to prepare city indexes for six relative expenditures or indications that the previous additional large S M S A ’s— Cincinnati, H ouston, Kan sam ple o f priced item s d oes not adequately represent sas C ity, M ilw aukee, M inneapolis-St. Paul, and San the class. The connotation o f “ item ” in the sampling D iego— as part o f a plan to publish indexes for each frame is n ecessarily fairly broad and the items are SM SA with 1,000,000 total population in 1960. T hese not o f equal hom ogeneity in the different classes. Gen areas w ere added to the national index in January erally the listing is above that o f the final “ specified1966. in-detail” item s for which prices are collected. For the m ost part no attempt has been made to carry proba bility sampling to this ultimate stage. S a m p le s o f C o n s u m e r U n i t s . The C ES sam ples were ch osen as subsam ples o f housing units enum erated in There w ere about 1,800 line items in the expendi advance Comprehensive Housing Unit Surveys (CHUS) ture survey schedule. A fter exten sive experimentation, con d ucted in each area late in the year preceding using expenditure data from a 1959 pilot survey in Cincinnati, a final sampling frame containing 52 EC’s the actual survey d a te .18 The C H U S also serve as the source o f the sam ples o f rental dw ellings for measuring and 812 item s w as d eveloped. The list of EC’s and the number o f item s in each are shown in table 3. price change in rents, and o f ow ner occupied units The first step in the selection o f the item sample for m easurem ent o f changes in property taxes. They for the revised index w as to m ake a roughly optimum also provide data for w eights for hom e purchase. The allocation o f the total number o f items to be priced a c tu a l s iz e o f th e C H U S sa m p le in an a rea is to each EC. F actors con sid ered were the relative determ ined primarily by the rental sam ple desired and im p ortan ces o f the E C ’s and a rough measure of by the proportion o f renters in the given area, as variability o f price m ovem ent. estim ated from C ensus data. The number o f addresses en u m era ted in th e C H U S is u su a lly m any tim es A s in past revision s o f the CPI, the samples were la rg er th a n it is in th e sa m p le s fo r s u r v e y s o f selected on a national basis. Selection o f independent consum er expenditures. sam ples, city-by-city, is not practical since it would result in a huge list o f item s to be priced in at least one city and an im possible burden o f writing and keeping up S a m p lin g o f Ite m s . A classification system has been with changes in specifications. d evelop ed to provide a logical publication fram ework T he tw o replicated sam ples o f item s o f the revised containing the traditional major expenditure groups, CPI have been selected with “ probability proportional subgroups, e tc ., but, in a broader sen se, to divide to s iz e ,” size being defined as the relative im portance of the thousands o f g ood s and serv ices purchased by the expenditures for the item to total expenditures for consum ers into m eaningful and m anageable com pon all item s. The general procedure w as to array item s ents o f the universe. It provides the fram ework for w ithin a stratum and by u sin g a random start to the selection o f the item sam ple and for the deriva make regular selection s along the array. Each o f the tion o f index w eights. two replicated sam ples thus contains “ certainty item s;” T w o lev els o f the classification system are o f criti that is, item s which are certain o f inclusion because their relative im portance is greater than the selecting 18The se lec tio n o f the C E S sam ple is d isc u sse d in ch. 11 o f this interval. The replicated sam ples also contain som e dubulletin. 95 C O N SU M E R PRICES Table 3. Number of item s in sam pling frame and number of item s priced by expenditure c la s s N u m ber of ite m s N u m ber o f ite m s s a m p le d N u m ber o f s p e c if ic a t io n s p r ic e d A ll ite m s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 812 309 396 F o o d ......................................................................................................................... Food a t h om e: C e r e a ls a n d b a k e r y p r o d u c ts : C e r e a ls a n d g r a in p r o d u c t s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B ak ery p r o d u c t s .................................................................................. M e a ts , p o u ltry , a n d fis h : M e a ts : B eef an d v e a l .............................................................................. P o rk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . O th e r m e a t s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P o u lt r y ............................................................................................... F ish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D a ir y p rod u cts.D a iry p r o d u c t s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F ru its a n d v e g e t a b le s : F resh fr u it s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F resh v e g e t a b l e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P r o c e s s e d f r u it s a n d v e g e t a b le s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . O th e r fo o d a t h o m e : E g g s ................................................................................................... F a ts a n d o il s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S u g a r an d s w e e t s ............................................................................... N o n a lc o h o lic b e v e r a g e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P r e p a r e d a n d p a r t ia lly p r e p a r e d f o o d s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F o o d a w a y fro m h o m e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267 93 105 19 16 4 5 4 5 E x p e n d itu re c la s s n u m b e r EC 1 ........... EC 2 ........... EC 3 ........... C la s s e s 12 12 7 9 6 6 6 6 6 3 4 3 5 19 6 7 15 48 8 11 10 8 11 10 1 8 12 8 1 1 3 4 5 3 4 50 3 8 2 H o u s in g .................................................................................................................... S h e lte r : R e n t .......................................................................................................... EC 16 . . . . . . . . . H o m e o w n e r s h ip : EC 17 ........ P u r c h a s e a n d f in a n c in g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EC 18 ........ T a x e s a n d in s u r a n c e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M a in te n a n c e a n d repa irs.EC 19 ........ C o m m o d i t i e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ......... EC 2 0 . . . . . . . . . S e r v ic e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EC 21 ........ Fu el a n d u t i li t i e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H o u s e h o ld fu r n is h in g s a n d o p e r a tio n : H o u s e fu r n is h in g s : EC 2 2 ........ T e x t ile h o u s e fu r n is h i n g s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F u rn itu re a n d f lo o r c o v e r in g s : EC 2 3 ........ F u rn itu re . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EC 2 4 ........ F lo o r c o v e r in g s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EC 2 5 ........ A p p lia n c e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EC 2 6 ........ O th e r h o u s e fu r n is h in g s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H o u s e h o ld o p e r a tio n : EC 2 7 ........ H o u s e k e e p in g s u p p l i e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EC 2 8 ........ H o u s e k e e p in g s e r v ic e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212 73 4 2 2 3 2 2 3 14 30 6 6 5 5 6 6 10 20 6 6 31 7 10 11 3 4 21 8 8 8 8 28 14 8 7 8 8 A p p a rel an d u p k ee p ................................................................................................. M e n ’s a n d b o y s ’ a p p a r e l: 2 9 ........ M en ’s a p p a re l ........................................................................................... 3 0 ........ B oys’ a p p a re l ............................................................................................. W o m e n ’s a n d g i r l s ’ a p p a r e l: 31 ........ W o m e n ’s a p p a r e l........................................................................................ 3 2 ........ G ir ls ’ a p p a r e l . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F o o tw e a r . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 . . . . . . . . . O th e r a p p a r e l: 3 4 ........ C o m m o d i t ie s .......... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 5 ........ S e r v ic e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184 64 77 30 23 12 15 4 39 31 19 8 26 9 21 9 11 26 14 6 6 6 6 T r a n s p o r ta tio n .......................................................................................................... P r iv a te : A u to s a n d r e la t e d g o o d s : 3 6 ........ A u to p u r c h a s e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 7 ........ G a s o lin e a n d m o to r o i l . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 8 ........ A u to p a r ts , e t c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A u to m o b ile s e r v ic e s : 3 9 ......... A u to r e p a ir s a n d m a in te n a n c e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 0 ........ O th e r a u t o m o b ile e x p e n s e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1 ........ P u b l i c ............................................................................................................... 34 21 34 2 2 6 2 2 2 12 6 6 6 EC 4 ........... EC 5 ........... EC 6 ........... EC 7 ........... EC 8 ........... EC 9 ........... EC EC EC EC EC EC EC EC EC EC EC EC EC EC EC EC EC EC EC 10 11 12 13 14 15 ........ ......... ......... ......... ......... ........ 14 4 20 2 32 13 5 6 4 4 5 6 8 9 81 2 3 2 5 B L S H A N D B O O K O F M E TH O D S 96 Table 3. Number of item s in sam pling frame and number of item s priced by expenditure c la ss—Continued E x p e n d itu re c la s s n u m b er EC 4 2 EC 4 3 EC 4 4 EC 4 5 EC 4 6 EC 4 7 EC 4 8 EC 4 9 EC 5 0 EC 51 EC 5 2 N u m ber o f ite m s C la s s e s H e a lth a n d r e c r e a t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M e d ic a l care-. D ru g s a n d p r e s c r i p t i o n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P r o fe s s io n a l s e r v i c e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H o s p ita l s e r v ic e s a n d h e a lth i n s u r a n c e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P erson al ca re: T o ile t g o o d s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S e r v ic e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R e a d in g a n d re c re a tio n -. R e c r e a t io n : R e c r e a t io n a l g o o d s - . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R e c r e a t io n a l s e r v ic e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R e a d in g a n d e d u c a t io n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . O th e r g o o d s a n d s e r v ic e s : T o b a c c o p r o d u c ts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A lc o h o lic b e v e r a g e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F in a n c ia l a n d m is c e lla n e o u s p e r s o n a l e x p e n s e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . plicates o f item s selected but not w ith certainty. Table 4 contains a listing o f the item s priced in each sam ple. For the final selectio n , relative im portances (in the fam ily expenditure pattern) for the con d en sed sampling frame (52 E C ’s and 812 item s) w ere obtained from e x penditure data for nine o f the cities su rveyed for 1960. Ideally, o f cou rse, the data should have covered all 66 cities, but such data w ere not available in tim e for u se in selection o f item s. Expenditure data for th ese nine p laces w ere w eighted together to give preliminary esti m ates o f U .S . average ex p en d itu res. (Final ind ex w eights o f cou rse are based on com plete data for all cities.) T h e s e le c tio n o f o n e or m ore s p e c ific a tio n s or “ sp ecifie d -in -d e ta il” item s to rep resen t the item s selected from the sam pling fram e has b een made in m ost ca se s by com m odity sp ecialists from expert know ledge o f the item . Factors taken into con sideration are the im portance and represen tativeness o f particular qualities and the feasibility o f describing a selected item clearly enough to perm it repetitive price collection. In a few ca se s w here sufficient data ex isted , it is p ossib le to m ake a seco n d stage probability selectio n o f sp ecifica tions. p l i n g . T he first big problem encountered in attem pting probability sam pling o f ou tlets w as to obtain inform ation about the u niverse o f retail and service establishm ents in a given area. Ideally, nam es and ad d resses o f su ch p la ces, inform ation as to type o f store or outlet, som e indication o f volum e o f sa les, and prefera bly fairly sp ecific inform ation as to ty p es o f m erchan d ise carried w ould h ave b een desirable. C om prehensive establishm ent data w ere obtained from a list o f firm s w h ich report to the Bureau o f OldA ge and S u rvivors In surance (S o cia l S ecu rity A d m inistration, U .S . D epartm ent o f H ealth , E ducation, http://fraser.stlouisfed.org/ O u t le t S a m Federal Reserve Bank of St. Louis 115 2 11 2 Nu m ber o f ite m s s a m p le d N u m ber o f s p e c if ic a t io n s p r ic e d 58 99 2 20 12 6 9 2 8 8 4 4 13 20 7 11 6 6 3 3 4 3 3 28 9 29 13 2 3 and W elfare). U sin g sampling ratios furnished by B L S , m aster sam p les o f retail and serv ice o u tlets w ere selected by B O A SI. T hese w ere supplem ented with listings from other sou rces. In the larger S M S A ’s, a tw o-stage sampling p roce dure has been follow ed . Sam ples o f neighborhood and suburban localities and shopping centers have been selected in w hich pricing outside the dow ntow n area is conducted. T h ese w ere selected with probability pro portional to sales volum e, using the best available sales data. The listings o f sam ple ou tlets w ere lim ited to those falling within the sam pled areas. The number o f food stores priced varies from less than 10 in the sm allest cities to about 80 in N ew York. The num ber o f quotations for non-food item s per city is quite small; the basic number in each outlet sam ple is four. This m eans that for the cities in w hich both item sam ples are priced eight is the maximum sam ple size even for item s appearing in both item sam ples. In a few “ A ” cities, the sam ple sizes are set at 5 per sam ple or a m axim um o f 10. A t the U .S . le v e l, h o w ev e r, the number o f quotations is sizeable. In selecting the sam ple, allocations o f quotations w ere made for each item by type o f outlet, based on available sales data, “ w here bought” su rveys, etc. A s a specific exam ple, if eight quotations are required for a particular w om an ’s sh oe specification, the allocation might be three quotations to departm ent stores, tw o to w om en ’s specialty sh ops, tw o to w om en ’s shoe stores, and on e to fam ily sh oe stores. Specific allocations also are made by location within the SM SA (central business district, neighborhood centers, and suburbs) and, in som e ca se s, to multiunit and independent establish m ents. In addition to the pricing o f regular retail and service ou tlets, there are a number o f special item s w h o se na ture requires separate sam ples o f sp ecific typ es o f “ out lets;” for exam ple, sam ples o f physicians and other CONSUMER PRICES Table 4. 97 List of commodities and services priced for the consumer price index as of January 19751 Priced items Groups, subgroups, expenditure classes Sample A EC-1 Food: Food at home: Cereals and bakery products: Cereals and grain products .... EC-2 Bakery products ................. EC-3 3A Meats, poultry, and fish: Meats: Beef and veal ................ 3B Pork.............................. 3C Other meats.................. EC-4 Poultry ................................ EC-5 Fish..................................... EC-6 Dairy products ............................. EC-7 Fruits and vegetables: Fresh fruits........................... EC-8 Fresh vegetables .................. EC-9 Processed fruits and vege tables .............................. EC-10 EC-11 Other foods at home.E ggs.................................... Fats and o ils ........................ EC-12 Sugar and sweets ................. EC-13 Nonalcoholic beverages ......... EC-14 Prepared and partially prepared foods................................. EC-15 Food away from home ......................... Seefootnotes at endof table. Sample B Corn flakes ................................................ Rice, long and short grain........................... White bread................................................ Whole wheat bread ...................................... Layer cake, plain ........................................ Flour, white, all-purpose. Cracker meal. White bread. Cookies, cream filled. Cinnamon rolls. Hamburger ................................................. Steaks, round, U.S. choice........................... Steaks, porterhouse, U.S. choice .................. Rump roasts, boneless, U.S. choice............... Chuck roasts, U.S. choice.............................. Veal cutlets................................................ Pork chops ................................................. Bacon ........................................................ Loin roast .................................................. Picnics, smoked.......................................... Lamb chops, loin, U.S. choice ...................... Salami sausage.......................................... Frankfurters ............................................... Frying chicken, whole or cut-up..................... Chicken breasts.......................................... Fillets, fresh or frozen2 ................................ Tuna fis h ................................................... Milk, fresh, grocery, Vitamin D ..................... Milk, fresh, skim ........................................ Ice cream, prepackaged ............................... Butter........................................................ Hamburger. Steaks, round, U.S. choice. Steaks, sirloin, U.S. choice. Rump roasts, boneless, U.S. choice. Rib roasts, U.S. choice. Beef liver. Pork chops. Bacon. Pork sausage, fresh, bag, or roll. Ham, whole, smoked. Bologna sausage. Liver sausage. Ham, canned. Frying chicken, whole or cut-up. Turkey, medium size. Shrimp, frozen breaded. Sardines. Milk, fresh grocery, Vitamin D. Milk, evaporated, canned. Cheese, American process. Butter. Apples, all purpose...................................... Bananas, yellow variety ............................... Oranges, except Temple or King..................... Grapes, Thompson seedless.......................... Grapefruit, fresh, pink or white.................... Orange juice, fresh ...................................... Head lettuce............................................... Potatoes, white .......................................... Tomatoes................................................... Asparagus, green........................................ Carrots, topped, prepackaged ....................... Cucumbers................................................. Spinach, prepackaged ................................. Apples, all purpose. Bananas, yellow variety. Oranges, except Temple or King. Grapes, Thompson seedless. Strawberries, fresh. Watermelons, whole or sliced. Head lettuce. Potatoes, white. Tomatoes. Cabbage, all varieties except red. Celery, Pascal stalk. Onions, Yellow. Peppers, sweet, green. Pears, Bartlett, can or jar ........................... Lemonade, concentrate, frozen...................... Beets, sliced, can or jar .............................. Tomatoes, can or j a r .................................... Dried beans, Navy or Great Northern .............. Fruit cocktail, canned. Pineapple-Grapefruit juice drink, canned. Orange juice concentrate, frozen. Peas, green, can or jar. Broccoli spears, frozen. Eggs, large, Grade A .................................... Margarine, colored ...................................... Salad dressing, Italian ................................ Sugar, white, granulated.............................. Chocolate bars, plain milk........................... Coffee, 1 lb. can ........................................ Carbonated fruit drink................................. Tea bags .................................................... Eggs, large, Grade A. Margarine, colored. Salad or cooking oil, vegetable. Grape jelly. Chocolate flavored syrup. Coffee, 1 lb. can. Coffee instant. Cola drink. Bean soup, canned, condensed ..................... Spaghetti, in tomato sauce, canned .............. Mashed potatoes, instant............................. Potatoes, French fried, frozen....................... Restaurant meals: Lunch ................................................. Breakfast............................................. Chicken soup, canned, condensed. Baby foods, strained. Sweet pickle relish. Pretzels, hard, salted. Restaurant meals: Lunch. Dinner. 98 BLS HANDBOOK OF METHODS Table 4. List of commodities and services priced for the consumer price index as of January 1975— Continued Priced items Groups, subgroups, expenditure classes Sample B Sample A Food— Continued Food away from home— Continued Housing: Shelter: EC-16 Rent .......................................... EC-17 Homeownership: Home purchase and financing . EC-18 Taxes and insurance.............. EC-19 Maintenance and repairs: Commodities ................. EC-20 Services ........................ EC-21 Fuel and utilities................................ EC-22 EC-23 Household furnishings and operations: Textile housefurnishings ........ Furniture.............................. • EC-24 Floor coverings...................... EC-25 Appliances.................................. EC-26 Other housefurnishings ................ EC-27 Housekeeping supplies ................. EC-28 Housekeeping services.................. Seefootnotes at endof table. Between meal snacks: Coffee, cup ......................................... Carbonated beverages, cup ................... Frankfurter on roll ................................ Ice cream, dish ................................... Between meal snacks.Coffee, cup. Carbonated beverages, cup. Pie, slice. Candy bar. Rent of house or apartment.......................... Hotel, motel room rates ............................... Rent of house or apartment. Hotel, motel room rates. Home purchase........................................... Mortgage interest rates ............................... Property taxes, residential ........................... Property insurance premiums: Fire and extended coverage ................... Homeownership policy........................... Home purchase. Mortgage interest rates. Property taxes, residential. Property insurance premiums-. Fire and extended coverage. Homeownership policy. Exterior house paint ..................................... Air Filters .................................................. Packaged dry cement mix ............................ Residing houses ......................................... Reshingling roofs ........................................ Replacing sinks .......................................... Fuel oil and coal: Fuel oil, #2 ........................................ Coal, anthracite or bituminous............... Gas and electricity: G as..................................................... Electricity ........................................... Other utilities: Residential telephone services ............... Residential water and sewerage services .. Interior house paint. Shelving, Ponderosa pine. Shrubbery, evergreen. Residing houses. Repainting both living and dining rooms. Repairing furnaces. Pillows, bed ............................................... Curtains, tailored, polyester......................... Drapery fabric ......................;..................... Sofas, standard, upholstered........................ Recliners, upholstered ................................. Sofas, convertible ....................................... Bedding sets, mattress and boxspring........... Bedroom chests .......................................... Aluminum folding chairs .............................. Rugs, soft surface.Broadloom, acrylic................................ Broad loom, nylon ........ ......................... Broadloom, polyester............................. Floor covering, vinyl ..................................... Refrigerator-freezers, electric ....................... Washing machines, electric, automatic ......... Ranges, free standing, gas or electric .......... Clothes dryers, electric, automatic ............... Room heaters, electric, portable................... Dinnerware, Fine china ................................ Carpet sweepers, or utility pails................... Window shades ........................................... Electric drills, hand held.............................. Detergent, liquid......................................... Laundry soap for fine fabrics........................ Scouring pads, steel wool............................. Toilet tissue ............................................... Domestic service, general housework ............. Baby sitter or child care service ................... Postal services ............................................ Laundry flatwork, finished service................. Licensed day care service, preschool child...... Washing machine repairs ............................. Sheets, percale or muslin. Bedspreads, double bed size. Slipcovers or throws. Sofas, standard, upholstered. Cocktail tables. Bedroom dressers. Bedding sets, mattress and boxspring. Dining room chairs. Cribs. Rugs, soft surface: Broadloom, acrylic. Broadloom, nylon. Broadloom, polyester. Floor tile, vinyl asbestos. Refrigerator-freezers, electric. Washing machines, electric, automatic. Vacuum cleaners, canister or upright. Air conditioners, demountable. Garbage disposal units. Flatware, stainless steel. Table lamps, with shade. Lawn mowers, power rotary type. Nails, 8d (penny) common. Detergent, granules or powder. Air deodorizers, spray type. Paper napkins, embossed. Stationery envelopes. Domestic service, general housework. Baby sitter or child care service. Postal services. Laundry flatwork, finished service. Reupholstering furniture. Moving expenses. Fuel oil, #2. Coal, anthracite or bituminous. Gas. Electricity. Residential telephone services. Residential water and sewerage services. CONSUMER PRICES 99 Table 4. List of commodities and services priced for the consumer price index as of January 1975— Continued Groups, subgroups, expenditure classes Apparel and upkeep: Men’s and boys' apparel: EC-29 Men's apparel....... Boys' apparel EC-30 EC-31 EC-32 EC-33 Women's and girl's apparel: Women's apparel ...... Girls’ apparel Footwear Priced items Sample A Suits, year-round weight ...................... Topcoats or all-weather coats ............... Sport jackets ...................................... Slacks, wool, wool blend, or polyester .... Shirts, work........................................ Shirts, sport, short sleeves .................. Shirts, sport, long sleeves ................... T-shirts, cotton or polyester/cotton........ Coats, all purpose, cotton or cotton blend Dungarees, cotton or polyester/cotton.... Coats, heavyweight, wool or wool blend, i 2 qualities .................................... Carcoats, heavyweight........................ Skirts, winter weight.......................... Skirts, summer weight........................ Dresses, daytime, chiefly manmade fiber Dresses, street, manmade fiber, 2 qualities .................................... Slacks, summer weight....................... Slacks, winter weight......................... Slips, nylon ....................................... Brassieres......................................... <Hose or pantyhose, nylon.................... Anklets, or knee length socks .............. Handbags, rayon faille or plastic......... Raincoats, vinyl or fabric ...... Skirts, acrylic ...................... Slips, polyester blends or nylon Handbags, plastic................ Men’s: Shoes, street, oxford or buckle strap, 2 qualities ................................ Women’s.Shoes, street, pump, 2 qualities .... Shoes, evening, pump ................... Shoes, casual .............................. Houseslippers, scuff ..................... Childrens’: Sneakers, boys’, oxford type ........... EC-34 EC-35 Other apparel: Commodities ...... Services ..../. Diapers, cotton gauze or disposable ... Yard goods..................................... Earrings, Pearl, simulated or imitation Dry cleaning, men’s suits and women’s dresses ....................................... Shoe repairs, women’s heel lift ......... Laundry, men’s shirts....................... Transportation: Private: EC-36 Auto purchase Seefootnotes at endof table. New cars: Chevrolet, Impala, 4-door sedan............ Chevrolet, Chevelle, sport coupe............. Ford, LTD, 4-door hardtop...................... Ford, Mustang II, 2-door hardtop........... Plymouth, Gran Fury Custom, 4-door sedan Dodge, Royal Monaco, 4-door sedan ....... American Motors, Hornet, sport wagon .... Toyota, Corona, 4-door sedan ................ Sample B Suits, year-round weight. Jackets, lightweight. Trousers, work. Slacks, cotton, manmade or blends. Shirts, business or dress. Socks. Handkerchiefs, cotton or polyester/cotton, Sport jackets, wool or wool blend. Undershorts, cotton. Coats, heavyweight, wool or wool blend, 2 qualities. Coats, lightweight, wool or wool blend. Sweaters, wool or acrylic. Dresses, daytime, chiefly manmade fiber. Dresses, street, manmade fiber, 2 qualities. Blouses, polyester/cotton or manmade. Bathing suits. Girdles. Panties, nylon or acetate. Hose or pantyhose, nylon, jGloves, fabric. Coats, lightweight. Slacks, cotton or polyester. Shorts or scooter skirt. Dresses cotton, polyester/cotton or manmade fabric. Robes, quilted. Shoes, street, oxford or buckle strap, 2 qualities. Shoes, work, high. Shoes, street, pump, 2 qualities. Shoes, evening, pump. Shoes, oxford. Dress shoes, girls’, strap or pump. Wrist watches, men’s imported movement. Wrist watches, women’s imported movement. Zippers, skirt or neck placket. Dry cleaning, men’s suits and women’s dresses. Automatic laundry service. Tailoring charges, hem adjustment. Chevrolet, Impala, 4-door sedan. Ford, Pinto, 3-door sedan. Ford, LTD, 4-door hardtop. Chevrolet, Vega, 2-door hatchback. Plymouth, Valiant Duster, 2-door coupe. Plymouth, Fury Custom, 4-door sedan. Volkswagen, Deluxe, 2-door sedan. BLS HAND BO O K OF METHODS 100 Table 4. List of commodities and services priced for the consumer price index as of January 1975— Continued Groups, subgroups, expenditure classes Transportation— Continued Private— Continued Auto purchase— Continued EC-37 Gasoline and motor oil EC-38 Auto parts ........................... Automobile services: Auto repairs (mechanical) and maintenance....... EC-39 EC-40 EC-41 Other automobile expenses Public transportation Priced items Sample A Used cars: 2 years old, Chevrolet and Ford 3 years old............... do 4 years old............... do 5 years old............... do Gasoline, regular and premium Motor oil, premium............... Storage batteries ................. Chassis lubrication, complete........... Motor tune-up ................................. Automatic transmission repair .......... Auto insurance premiums, liability and physical damage.......................... Auto financing charges3 ............... Auto registration fe e s.................. Auto operator’s permits................ Parking fees, private and municipal Local transit fares....................... Taxicab fares.............................. Railroad fares, coach .................. Airplane fares, chiefly coach ........ Bus fares, intercity...................... Sample B 2 years old, Chevrolet and Ford. 3 years old, Do. 4 years old, Do. 5 years old, Do. Gasoline, regular and premium. Motor oil, premium. Tires, tubeless, new. Water pump replacement. Exhaust system repair. Front end alignment. Auto insurance premiums, liability and physical damage. Auto financing charges.3 Auto registration fees. Auto operator’s permits. Parking fees, private and municipal. Local transit fares. Taxicab fares. Railroad fares, coach. Airplane fares, chiefly coach. Bus fares, intercity. Health and recreation: Medical care: EC-42 Drugs and prescriptions Over-the-counter items: Multiple vitamin concentrates................ Liquid tonics ....................................... Cold tablets or capsules ....................... Prescriptions: Anti-infectives: Ampicillin, trihydrate capsules........ Sedatives and hypnotics: Phenobarbital tablets..................... Ana Igesics* Propoxyphene HCL (with APC) tablets-. Ataractics: Chlordiazepoxide HCL capsules........ Antispasmodics: Propantheline bromide tablets ........ Cardiovasculars and antihypertensives: Reserpine tablets.......................... EC-43 EC-44 Professional services Hospital services and health insurance.Hospital services ....... Seefootnotes at endof table. Aspirin compounds. Cough syrups. Adhesive bandages, packages. Tetracycline HCL capsules. Secobarbital sodium capsules. Hormones: Prednisone tablets. Progestogen-Estrogen contraceptives. Phenobarbital/hyoscyamine sulfate, atropine sulfate, and hyoscine hydro bromide tablets. Pentaerythritol tetranitrate tablets. Chlorothiazide tablets. Cough preparations: Promethazine expectorant with codeine General physician, office visits ..................... General physician, house visits ..................... Pediatric care, office visits.......................... Psychiatrists, office visits .......... ................. Routine laboratory tests............................... Examination, prescription, and dispensing of eyeglasses........................... .............. General physician, office visits. General physician, house visits. Obstetrical cases. Chiropractors and podiatrists, office visits. Herniorrhaphy, adult. Examination, prescription, and dispensing of eyeglasses. Fillings, adult, amalgam, one surface Dentures, full upper....................... Fillings, adult, amalgam, one surface. Extraction, adult. Semiprivate rooms ... Operating rooms .... Laboratory tests...... Electrocardiograms .. Anti-infectives........ Intravenous solutions Semi private rooms. Operating rooms. X-ray diagnostic service series. Oxygen. Tranquilizers. Physical therapy. CONSUMER PRICES Table 4. List of commodities and services priced for the consumer price index as of January 1975—Continued Priced items Groups, subgroups, expenditure classes Health and recreation— Continued Hospital services and health insurance— Continued Health insurance ......... EC-45 EC-46 Personal care.Toilet goods Personal care services Reading and recreation: Recreation: EC-47 Recreational goods EC-48 EC-49 EC-50 EC-51 EC-52 101 Recreational services Reading and education Other goods and services: Tobacco products .... Alcoholic beverages Financial and miscellaneous personal expenses. Sample A Claims Portion: Hospital services: Semi private rooms................ Operating rooms .................. Laboratory tests........ ........... Electrocardiograms ............... Anti-infectives...................... Intravenous solutions ........... Nonhospital services: General physician, office visits Surgeons’ fees (Tonsillectomy/ Adenoidectomy)................. Hospital services: Semiprivate rooms. Operating rooms. X-ray; diagnostic service series. Oxygen. Tranquilizers. Physical therapy. Nonhospital services: General physician, office visits. Retained earnings (overhead)............... Surgeons’ fees (Herniorrhaphy, adult). Obstetrical cases. Retained earnings (overhead). Toothpaste, standard dentrifrice Hand lotions, liquid ........... . Face powder, pressed ......... . Cleansing tissues................... Men’s haircuts ....................... Shampoo with wave sets, plain . Women’s haircuts................... Toilet soap, hard milled. Shaving cream, aerosol. Deodorants, aerosol. Home permanent refills. Men’s haircuts. Shampoo with wave sets, plain. Permanent waves, cold. TV sets, color and black and white........ Radios, portable ............................ . TV replacement tubes.......................... Sports equipment: Golf balls ................................... Basketballs, rubber or vinyl cover ... Outboard motors ................................. Tricycles............................................ Board games ..................................... Dog food, canned and boxed................. Indoor movie admissions: Adult.......................................... Children^ ................................... TV repairs, picture tube replacement .... Bowling fees, evening.......................... Golf green fees .................................... Newspapers, street sale and delivery .... College tuition and fees.Undergraduate, resident................ Undergraduate, nonresident .......... Magazines, single copy and subscription College textbooks, undergraduate ......... TV sets, color and black and white. Radios, portable. Tape recorders, portable. Sports equipment: Fishing rods, fresh water spincast. Bowling balls. Phonograph records, stereophonic. Bicycles. Movie cameras, Super-8mm, zoom lens. Film, 35mm, color, slide. Indoor movie admissions: Adult. Children's. Drive-in movie admissions, adult or car. Bowling fees, evening. Film developing color. Newspapers, street sale and delivery. College tuition and fees: Undergraduate, resident. Undergraduate, nonresident. Paperback books, not school or technical. Piano lessons, beginner. Cigarettes, nonfilter tip, regular size, pack............................................... Cigarettes, filter tip, king size, carton................................... ........ Cigars, domestic, regular size .............. Beer, at home, local and national brands Whiskey, spirit blended and straight bourbon.......................................... Cigarettes, nonfilter tip, regular size, carton. Cigarettes, filter tip, king size, pack. Cigars, domestic, regular size. Beer, at home, local and national brands. Wine, dessert and table....................... Beer, away from home ......................... Whiskey, spirit blended and straight bourbon. Wine, dessert and table. Beer, away from home. Funeral services, adult ................................ Bank service charges, checking account ........ Funeral services, adult. Legal services, short form will. 1The list of commodities and services priced for the Honolulu, Hawaii SMSA differs from this list as follows: frozen fruit pies, mahi-mahi, papaya, pineapple, green beans, watercress, water heater, water heater replacement, men’s sweaters and women’s lightweight jackets, not priced elsewhere, are priced in Honolulu in lieu of cracker meal, haddock, orange juice, strawberries, asparagus, spinach, air filters, furnace repair, men’s coats, and women’s coats, respectively. In addi tion, men’s tropical weight suits, boys’ cotton or polyester/cotton sport coats and girls’ cotton or polyester cotton skirts are priced in lieu of men’s year- Sample B round weight suits, boys’ wool or wool blend sport coats and girls’ acrylic skirts, respectively; while men’s long sleeve sport shirts and women’s socks are not priced in Honolulu. 2 Two of the largest volume sellers among the following types of fish are priced within each city, since within any given city all varieties of fish are not available: Frozen ocean perch and haddock; fresh cod, catfish, king salmon, halibut, sole, and haddock. 3 Not actually priced: imputed from priced items. BLS HANDBO O K OF METHODS 102 medical specialists, restaurants, dairies, hotels, prop erty owners, etc. Each of these offers its own particular problems. When the original samples, which were selected in Washington, were sent to the regional offices a great many practical problems were encountered, and many expedients and compromises with strict probability procedures were required to complete the initiation of pricing for the revised index. H owever, even though some deviations from probability sampling were inevit able and had been anticipated, the final samples adhere to the original basic structure to the maximum extent possible. As a result, the main benefits of probability sampling have been achieved: lack o f bias, representa tion o f different types o f outlets, sections o f each SMSA, etc. C a lc u la t i o n P r o c e d u r e s The index is a time series. As previously explained, it is a weighted average of price changes for a sample of priced items, expressed as a relative o f average prices in a reference base as 100. Weights, which are based on annual consumer expenditures, are kept constant from month to month. The index measures changes as they occur. It is not adjusted for seasonal variation.19 The Bureau began publication o f seasonally adjusted indexes in 1966, for selected components which show a significant seasonal pattern o f price change.20 F o rm u la . In the absence o f major weight revisions, and where q is a derived composite o f the annual quantities purchased in a weight base period for a bundle o f goods and services to be represented by the specific item priced p and p ' are the average prices o f the specific com m odities or services selected fo r pricing (the superscript indicates that the average prices are not necessarily derived from identical samples o f out lets and specifications over long periods) i —s is the month preceding a weight revision (most recently, D ecem ber 1963) / is the current month a is the period o f the most recent Consum er Expendi ture Survey (1 9 6 0 -6 1 ) from which the revised weights are derived o is the reference base period o f the index (1967). The (p0q 0) o r ( p - _ ^ ) b a s e “ weights” for a given priced item are the average annual expenditures in a weight base period represented by that item and other similar non-priced items. Although constant physical weights are implicit in the index, in reality the constant q 's are not calculated separately. In actual practice, the base expenditure for each item is projected forward for each pricing period by the price relative for the priced item: \P i -1 In practice, then, the index formula is as follows: (Dec. 1963 Index) £ (P / (3) sQo) x Z(p' ’ _ xq a) h o s (P o Q o ) ignoring the problems of sampling, the index formula is most simply expressed as: r - (Change from Dec. 1963 to month i- 1 ) S(P/ - ( —^L ) i:° " Z (P o « o C- or by its algebraic equivalent, the dollar weighted aver age o f price relatives: 2 , .P t (P o Q o )— Po\ h o xioo a p , - A , ) x „ o f r .) ( P i - SQ a ) 19For a discussion of the problems involved in using varying sea sonal weights, see “ Use of Varying Seasonal Weights in Price Index Construction,” by Doris P. Rothwell, in th e J o u r n a l o f th e A m e r ic a n S t a t i s t i c a l A s s o c i a t i o n , March 1958, pp. 66-77. 20Factors used to compute seasonally adjusted indexes are availa ble on request. x io o W i - !<?„) the previous pricing period to the current month are expressed as relatives (or ratios) for each item, and the price changes for the various goods and services are combined, using weighting factors based on the impor tance o f the item in consumer spending and that o f other items which it represents. This com posite importance is called the cost weight o f the market basket item. There is a set o f separate cost weights for each o f the 56 urban locations included in the index. The following hypothe tical example for pork illustrates the index procedure: X100 h o X ( p o < lo ) \ p i - V Illu stra tiv e C a lcu la tio n . Average price changes from This is the customary, oversimplified way o f writing a price index formula to show that the ^ ’s are held con stant between major revisions. In actual practice, the basic data for weights are values which include allow ances for unpriced items, and the current index is com puted by a chain computation procedure, as shown below: (2 ) ) _ 2 (P flo ) (1 ) (la ) a (Change from month i- 1 to month i) Sample item September Ratio October •September October October-^cost weight cost price September weight price (Sept, x ratio) Pork chops.... Ham............. Bacon .......... Total......... $0.75 .80 1.00 $0.7725 .82 1.02 1.03 1.025 1.02 $15.00 8.00 10.00 $15.45 8.20 10.20 33.00 33.85 CONSUMER PRICES Identical results could be obtained for pork by m ultiply ing prices each period by the implied physical quantities included in the market basket, as the follow ing illus trates. Sample item Implied quantity (pounds) September price September cost weight October price October cost weight Pork chops...... Ham............... Bacon ............. 20 10 10 $0.75 .80 1.00 $15.00 8.00 10.00 $0.7725 .82 1.02 $15.45 8.20 10.20 33.85 33.00 Total........... The average change in pork prices is com puted by com paring the sum o f the co st w eights in O ctober with the com parable sum for Septem ber, as follow s: October cost w eigh t........................... .$33.85 x 100=102.6 September cost weight ...................... $33.00 This m eans that pork prices in O ctober w ere 102.6 percent o f (or 2.6 percent higher than) pork prices in Septem ber. Although the secon d m ethod may appear simpler, in reality it is not. Deriving the im plied quantity w eights is an extra operation, and th ese im plicit quantities change as revised sam ples are linked in. Furthermore, the sec ond form ulation greatly com plicates the handling o f the num erous substitutions o f reporters and item s which occur co n sta n tly in rep etitive ind ex w ork. C o n se quently, the first m ethod is the on e actually used for the CPI. The second illustration, h ow ever, m ay assist the u se r to u n d e r sta n d th e m e a n in g o f th e in d e x m echanism . After the co st w eights for each o f the item s have been calculated, they are added to area totals for com m odity groups and all item s. The U .S . totals are obtained by com bining area totals, with each area total w eighted according to the proportion o f the total wage-earner and clerical-w orker population w hich it represents in the index based on 1960 C ensus figures. Finally, published index values are com puted by dividing the co st weight for a particular series by its average cost w eight in the standard reference base period, and multiplying the result by 100. . Since 1971, the standard refer en ce b ase o f the index has been 1967= 100.21 This m eans that current prices are exp ressed as a percentage R e fe r e n c e B a s e P e r io d 21F orm er C on su m er Price Index O fficial R eferen ce B a ses and P eriods in U s e R eferen ce B a ses ( = 100) 1913 1923-25 1935-39 1947-49 1957-59 Periods in U s e From Through 1913 O ctob er 1935 July 1940 1953 1962 S eptem ber 1935 June 1940 1952 1961 1970 103 o f prices for the average o f the year 1967. An index o f 110 m eans that prices have increased 10 percent since the base period; similarly, an index o f 90 means a 10-percent d ecrease. The index can be converted to any desired base period for which the index is available. This is done by dividing each index number to be co n verted by the index for the desired base period. Tables o f conversion factors are provided on request for m ost series, enabling users to convert indexes for preceding periods on other bases to the current standard reference base 1967. Since the 1967 base w as adopted in 1971, All Item s indexes for the U .S . city average and the 23 areas for which separate indexes are available have been continued on their former b ases (1 9 5 7 -5 9 in m ost cases). T hese indexes are com puted directly from cost w eights, in the sam e manner as the 1967 base indexes. Before the m ost recent rebasing, indexes on former bases w ere calculated by applying the appropriate con version factor to the index on the standard reference base then in use. U se o f published conversion factors to rebase All Item s indexes from the 1967 base to their former bases will at tim es yield results w hich differ slightly from the official indexes published by B L S. T hese differences arise because o f rounding. P r o c e d u r e s . Although prices are not ob tained in all 56 cities every month (table 1 for pricing cy cle), all 56 cities are represented in each monthly index com putation. B etw een quarterly survey dates, for every item excep t new autom obiles, the w eights are held at the level o f their last pricing. For new au tom obiles, a price change is imputed to the unpriced cities on the basis o f changes in cities surveyed every month. For food and apparel item s w hich are sold only at certain season s o f the year, the index calculation is m ade in the off-sea so n as if prices o f th ese item s changed proportionally with prices o f item s o f a similar nature w hich are available. For exam ple, prices for strawberries, w hen these are not in season , are carried forward on the basis o f changes in prices o f all other fresh fruits. W hen the item returns to the market the current price is com pared, in effect, with the estim ated price im plicit in the procedure described. Im p u ta t io n P r ic e s . In the calculation o f average food prices for publication, the prices used in the index are given special editing, since they are not necessarily restricted to a single specified quality and size. Proce dures have been devised to calculate city and U .S . prices for publication w hich u se index values and price relatives exten sively. T hese procedures em ploy bench mark prices for defined specifications for each o f the 56 cities, in w hich quotations not m eeting the specified quality are excluded. Benchm ark prices are com puted in an independent operation, pooling prices for all out lets rather than as an average o f average prices for the tw o subsam ples. The benchm ark prices then are ad A v e r a g e 104 BLS HANDBO O K OF METHODS justed m onth by month by the price changes reflected in the index. The first benchmark calculation w as for April 1964, from w hich date prices w ere estim ated back to D ecem b er 1963 and forward to D ecem ber 1964. N ew benchm ark calculations are made periodically, usually on ce a year. City prices are com bined to U .S . averages by the use o f the 1960 index population w eig h ts.22 A verage bills for specified quantities o f gas and ele c tricity and average prices o f fuel oil, w hich are pub lished for the largest cities, are the sam e as th ose used in the index calculation. Since th ese are for identical quan tities and qualities from m onth to m onth, no special editing is required. A verage p rices, as w ell as price in d exes, are available on a m onthly basis for regular and prem ium gasoline for 23 large m etropolitan areas and the U .S . as a w hole. I te m I n d e x e s . In d exes for selected item s and groups (com m only referred to as item ind exes) w ere published sem i-annually during 1964 and 1965. Quarterly publica tion w as resum ed in 1966 and m onthly publication w as initiated in January 1969. Septem ber, and D ecem ber. A report containing a more com prehensive analytical text and additional tables is published several w eek s after the date o f the press release. Other m onthly reports contain average prices o f selected food s and fuels in the largest m etropolitan areas. The CPI for the U nited States and for selected areas is published also in the M o n t h l y L a b o r R e v i e w in the issue dated 2 m onths later than the index. The annual H a n d b o o k o f L a b o r S t a t i s t i c s contains annual average indexes for each CPI series and esti m ated U .S . average retail prices for selected foods b e ginning with the earliest reliable and consistent data available; m onthly data are published for the tw o m ost recent years. In “ The A natom y o f Price Change” , an article p u b lish ed quarterly in the M o n t h l y L a b o r R e v i e w , trends in the CPI and its com ponents and their effect on the overall econom y are analyzed. A verage prices for food s and fuels are published in E s tim a te d R e ta il F o o d P r ic e s b y C itie s a n d R e ta il P r ic e s a n d I n d e x e s o f F u e ls a n d U tilitie s . U s e s o f th e In d ex A n a ly s is a n d P r e s e n ta tio n The CPI is made available first in a press release, usually near the end o f the month follow ing that to w hich the data relate. The press release is made availa ble to the press and is mailed to a list o f subscribers. This release contains a description o f price changes during the month and several tables o f major group and subgroup ind exes and percent changes from selected dates, for the U .S . city average, and for selected large m etropolitan areas. Percent ch an ges, in som e ca ses, are exp ressed as both sim ple rates and as com pound rates. B L S m o n th ly r e le a s e s a fte r 1965 h a v e sh o w n sea so n a lly -a d ju ste d n ation al in d e x e s and p ercen t changes com puted for selected groups and subgroups w here there is a significant seasonal pattern o f price change. In addition, each o f the B ureau’s regional of fices prepares a p ress release for each o f the areas in its region for w hich CPI figures are published. In 1972, publication o f a set o f consum er price in d exes which groups urban areas by 1960 population size w as b eg u n .23 In 1973, publication o f a set o f consum er price in d exes w hich groups urban areas by four major geographic regions w as initiated.24 B oth sets o f indexes are calculated from data collected for u se in the national CPI, and are available for the m onths o f M arch, June, 22F or a m ore d etailed d iscu ssio n , se e article by D oris P. R oth w ell, “ C alcu lation o f A vera g e R etail F ood P r ic e s,” M o n th ly L a b o r R e v i e w , January 1965, pp . 6 1 - 6 6 . 23S e e article by R echard C . Bahr, M ark R . M ein ers, and T osh ik o N a k a y a m a , “ N e w C o n su m er P rice I n d e x e s b y S iz e o f C it y ,” M o n th ly L a b o r R e v i e w , A u gu st 1972, pp. 3 —8, Reprint 2822. 24S e e article by T o sh ik o N ak ayam a and D ian e W arsky, “ M easur ing R egional Price C h ange in U rban A r e a s ,” M o n th ly L a b o r R e v ie w , O c t o b e r 1 9 7 3 , p p . 3 4 - 38, R eprint 2920. One o f the m ost important u ses o f the index is as a guide to broad econom ic p olicy. It is on e o f the m ost w idely used m easures o f inflationary pressures. During wartime periods, the index and its com ponents have served an important administrative function in con n ec tion with determ ination o f p olicies concerning price control and subsidies. In peacetim e, the index and its underlying statistics have played an important part in the governm ent’s effort to maintain stable wage-price relationships and to judge the advisability o f making monetary or tax adjustm ents. It is one o f the ch ief statistical tools for conversion o f the national accounts to constant dollars. The m ost widespread u se o f the CPI is in w age ad justm ents and collective bargaining negotiations. A l though this w as the primary reason for its beginning, u se o f the CPI for this purpose declined during the post-W orld I and depression periods. Its u se in this w ay w as revived during W orld War II, but escalation by the index did not receive w idespread acceptance until the principle w as written into a contract b etw een the U n it ed A utom objle, Aircraft, and Agricultural Im plem ent W orkers o f A m erica and the General M otors Corpora tion in 1948. The number o f workers covered by such contracts in 1972 w as more than 4 m illion.25 H ow ever, m ovem ents o f the index have an indirect effect on wages and salaries o f m any m ore w orkers.26 The CPI is used ex ten siv ely to m easure changes in purchasing pow er o f the consum er dollar. It is the basis 25S e e W a g e C a le n d a r , 1972 (B L S B ulletin 1724). 26S e e article b y F ran cis S . C unningham , “ T he U s e o f P rice In d ex es in E scalator C o n tra cts,” M o n th ly L a b o r R e v ie w , A u gu st 1963, pp. 9 4 8 -9 5 2 . CONSUMER PRICES Table 5. 105 Sum m ary of characteristics of the CPI DEFINITION OF THE INDEX Title Consumer Price Index-U.S. City Average for Urban Wage Earners and Clerical Workers. £<Pi_.<7a> Formula (Simplified expression) ^ i:o — 1 :o i-.^ a Base period ......................................... 1967=100. All items series also published on 1957-59 base. Definition of index expenditure weights ... Average expenditures for urban wage-earner and clerical-worker consumers (including single workers) derived from the 1960-61 Consumer Expenditure Survey in 66 urban places, adjusted for price changes between the survey dates and 1963 except for 6 cities added in 1966. POPULATION COVERAGE OF EXPENDITURE SURVEY Place of residence...................... Family size................................ Occupation................................ Length of employment ................ Income...................................... I Urban places 2500 or more in I960; including Alaska and Hawaii. No restriction; single consumer units included. Wage-earner and clerical-worker families and single individuals living alone. (More than half of total family income from wage-earner and clerical-worker occupations.) At least 1 family member or single consumer unit must have been employed for 37 weeks or more during the survey year in wage-earner or clerical-worker occupations. No criterion as to income except the qualification above. CITY COVERAGE Population weights ............. Sample of priced cities ........ Published indexes .............. Based on 1960 Population Census; Alaska and Hawaii included. Proportion of population in wage-earner and clerical-worker group covered by index was based upon BLS expenditure surveys. 50 metropolitan areas and cities selected originally to represent all urban places in the U.S. including Alaska and Hawaii with populations of 2500 or more in 1960. Six additional areas added in 1966. U.S. and 17 large metropolitan areas for families and single consumer units combined. Indexes for six more large metropolitan areas available in the latter part of 1965. ITEM SAMPLE Basis of sample selection............ Basis for allocation to priced items Commodity coverage.................... Number of items priced................ Pricing cycle............................... Probability proportionate to importance in family spending. Expenditures classified into 52 expenditure classes. Certainty items assigned their own importance; re mainder of expenditures assigned equally to probability selections within expenditure classes. Goods and services purchased for family living, including necessities and luxuries; excluding personal in surance, income and personal property taxes but including real estate taxes and sales and excise taxes. About 400 represented in U.S. index and published city indexes. Certainty items priced in all un published cities; other items in 1 of 2 subsamples of unpublished cities. Prices of foods, fuels and a few other items priced monthly in all cities. Prices of most other commodities and services priced monthly in the 5 largest cities, and quarterly in remaining cities. REPORTER COVERAGE Location ................ Number of reporters . Number of quotations Pricing technique .... In central cities and selected suburbs of 56 metropolitan areas (50 areas in 1964 and 1965). About 1,775 food stores (1,525 for 50 areas), 40,000 tenants (34,000 for 50 areas), 16,000 other reporters of all kinds (15,000 for 50 areas). Over 1 million food prices per year; about 80,000 rent charges per year (68,000 for 50 areas); over 475,000 quotations per year for items other than food and rent (over 450,000 for 50 areas). Personal visit of BLS agent except for a few items collected by mail or from secondary sources. Specification pricing but agent is permitted to price deviations from specification under prescribed con ditions. for m ost estim ates o f changes in real earnings o f labor, and fo r c o m p a r iso n w ith p r o d u c tiv ity m e a su r es. Changes in purchasing p ow er are used for such diverse purposes as adjusting royalties, pen sion s o f govern m ent and nongovernm ent w orkers, w elfare paym ents, rental contracts, and occasion ally alim ony paym ents. L im it a t io n s o f t h e I n d e x The CPI is not an ex a ct m easure o f price change. It is subject to sam pling errors w hich m ay cau se it to deviate som ew hat from the results w hich would be obtained if actual records o f all retail purchases by w age earners and clerical workers could be u sed to com pile the index. T hese estim ating or sampling errors are lim itations on the precise accuracy o f the index rather than m istakes in the index calculation. The accuracy could be in creased by using much larger sam ples, but the co st is prohibitive. Furthermore* the index is believed to be sufficiently accurate for m ost o f the practical u ses made o f it. With the changes in sampling techniques intro duced in 1964, the Bureau is attem pting to m easure the sam pling error in the in d ex .27 BLS HANDBO O K OF METHODS 106 A nother kind o f error occurs b ecau se people w ho give inform ation do not alw ays report accurately. The Bureau m akes every effort to keep th ese errors to a minim um , obtaining prices w herever p ossib le by per sonal ob servation, and corrects errors w h en ever they are d iscovered subsequently. Precautions are taken to guard against errors in pricing, w hich would affect the index m ost seriously. The field representatives who co llect the price data and the com m odity sp ecialists and clerks w ho p rocess them are w ell trained to w atch for unusual deviations in prices w hich might be due to errors in reporting. The CPI represents the average m ovem en t o f prices for urban w age earners and clerical workers as a broad group, but not the change in prices paid by any one fam ily or small group o f fam ilies. The index is not directly applicable to any other occupational group or to non-urban workers. Som e fam ilies may find their outlays changing b ecau se o f changes in factors other than p rices, such as fam ily com position . The index m easures only the change in prices and none o f the other factors w hich affect fam ily living exp en ses. In m any in stan ces, changes in quoted prices are ac com panied by changes in the quality o f consum er goods and serv ices. A lso new products are introduced fre quently w hich bear little resem blance to products pre viously on the market; hen ce, direct price com parisons cannot be m ade. Q uoted prices are adjusted for changes in quality, w h en ever n ecessa ry data are available. Technical specifications and highly trained personnel are relied on to insure com parability o f quality o f item s com pared from period to p eriod .28 N everth eless, som e residual effects o f quality changes on quoted prices undoubtedly do affect the m ovem ent o f the CPI either downward or upward from tim e to tim e.29 A nother important lim itation o f the index is that it m easures only tim e-to-tim e price change in a given area. City ind exes do not show intercity differences in either prices or living co sts. T hey show only differences in rates o f price change from on e time to another. Other types o f m easures are required to show place-to-place differences in living co sts. The m ost recent such m ea sure is “ The Interim C ity W orker’s Fam ily B udget” w hich show s the estim ated dollar co sts o f a “ m odest but adequate” level o f living in 20 large cities and their suburbs in the fall o f 1959, w hich is described in chapter 12 . 27Prelim inary estim ates o f sam pling error w ere com p u ted and pub lished ip M e a s u r e m e n t o f S a m p lin g E r r o r in th e C o n s u m e r P r ic e I n d e x : F ir s t R e s u l t s , b y M arvin W ilk erson , p ap er p resen ted at A m erican Statistical A sso c ia tio n m eetin gs, D ecem b er 29, 1964. A d ditional estim ates w ill be m ade availab le as w ork co n tin u es o n this project. 28H o o v er , E th el D ., “ T he CPI and Problem s o f Q uality C h a n g e,” M o n th ly L a b o r R e v ie w , N o v e m b e r 1961, pp. 1 1 7 5 -1 1 8 5 . R eprint 2378, and Larsgaard, O lga A ., and L o u ise J. M ack , “ C om p act Cars in the C on su m er P rice In d e x ,” M o n th ly L a b o r R e v ie w , M ay 1961, pp. 5 1 9 -5 2 3 . 29S e e testim o n y o f E w an C lague in H e a r in g s b e f o r e th e S u b c o m m itte e o n E c o n o m ic S t a t i s t i c s , Joint E co n o m ic C om m ittee, C on g ress o f the U n ited S ta tes, 87/1, Part II, p. 588, W ash in gton, M ay 1 , 2 , 3 , 4 , and 5, 1961. T e c h n ic a l R e f e r e n c e s N u m ber 1. B a h r , R ic h a r d C ., M e in e r s , M a rk a n d T o s h ik o N a k a y a m a . “ N e w C o n su m er P rice In d e x e s b y S iz e o f C it y ,” M o n th ly L ab o r R e v ie w , A u g u st 1972, pp . 3 - 8 . R eprint N o . 2822. D escrib es the se t o f in d ex es initiated in 1972, w h ich m ea sure price change in urban areas grouped b y size o f p op ula tion. P resen ts and a n alyzes historical data for th ese in d exes from 1967 through 1972. 2. C unningham , F ran cis S . “ T he U s e o f Price In d exes in E scalator C o n tra cts,” M o n th ly L a b o r R e v ie w , A u gu st 1963, pp. 9 4 8 952. R eprint N o . 2424. D isc u s se s the tech n iq u es o f esca la tio n u sin g the tw o m ajor price in d ex es p u blished by the Bureau o f L abor S tatistics — the C on su m er P rice In dex (CPI) and the W h olesale Price In dex (W PI). E xam in es the basic elem en ts o f an escalator cla u se and p roced u res for carrying ou t the agreem ent. D au gh erty, Jam es C. “ H ealth In su ran ce in the R evised C P I,” M o n th ly L a b o r R e v ie w , N o v em b er 1964, pp. 1 2 9 9 -1 3 0 0 . E xp la in s and ju stifie s the m ajor ch an ge in the treatm ent o f the health insu ran ce com p on en t o f m edical care as initiated in the recen t rev isio n o f th e C on su m er P rice In d ex. C om p ares the form er m ethod o f pricing actual prem ium rates w ith the n ew m eth o d o f pricing th e b en efits r eceiv ed for hospital and p rofessio n a l se r v ic es com b in ed w ith a m easu rem en t for re tained earn in gs. 3. N um ber 4. 5. 6. H o o v er , E th el D . “ T he CPI and P rob lem s o f Q uality C h a n g e,” M o n th ly L a b o r R e v ie w , N o v e m b e r 1961, pp. 1175—1185. E xp lain s and illustrates prob lem s o f quality m easurem ent m et in th e in d ex calcu lation p roced u res. D efin es quality as u sed b y the B L S , sp ecifica tio n pricing, direct price com pari so n s, and linking p roced u res. C on clu d es that there is n o e v id en ce to su pp ort the argum ent that the in d ex is n ot a true m easu re o f price ch an ge b eca u se o f n ot fu lly elim inating the effe c t o f quality ch a n ges. H u m e s, H elen and S c h ir o , B runo. “ T he R ent C om p on en t o f the C o n su m ers’ P rice In d ex. Part I— C o n cep t and M ea su re m e n t ,” M o n t h l y L a b o r R e v i e w , D e c e m b e r 19 4 8 , p p . 6 3 1 - 6 3 7 . “ T he R en t C om p on en t o f the C on su m ers’ P rice In d ex. Part II— M eth od ology o f M easu rem en t,” M o n th ly L a b o r R e v ie w , January 1949, pp. 6 0 - 6 8 . C om bined in R e print N o . 1947. Part I d isc u s se s the b a sic co n cep ts underlying the rent in d ex. Part II ex p lain s the m eth od s o f obtaining and calcu la t ing rental d ata, the ’’n ew unit b ia s” w h ich e x isted during W orld W ar II and the problem o f com p en satin g for d ep recia tion o f quality ca u sed b y aging. Jaffe, S id n ey A . “ T h e S tatistical Structure o f th e R e v ise d C P I,” M o n th ly L a b o r R e v ie w , A u gu st 1964, pp. 9 1 6 - 9 2 4 . D e sc rib es the c o n c ep t and form u lation , p op ulation and e x penditure co v er a g e, statistical tech n iq u es and p rob lem s o f CONSUMER PRICES 107 T e c h n i c a l R e f e r e n c e s — C o n t in u e d N um ber 7. 8. 9. 10. the rev ised in d ex. E xam in es so m e operational a sp ec ts, e s p e cially sam ple rep lication . P resen ts the in d ex form ula in g e n eral, sim plified, and in operation al form . L am ale, H elen H u m es. “ H ou sin g C o sts in the C on su m er Price In d ex , Part I , ” M o n th ly L a b o r R e v i e w , February 1956, pp. 1 8 9 -1 9 6 . “ H o u sin g C o sts in the C on su m er Price Index. Part II, M o n th ly L a b o r R e v ie w , April 1956, pp. 4 4 2 - 4 4 6 . C om bined in R eprint N o . 2188. Part I d efin es the hou sin g com p on en t o f the index and d escrib es the d erivation o f exp en d itu re w eigh ts u sed in the calcu lation o f the sh elter in d ex. Part II d escrib es the p roce du res u sed to m easu re ch an ges in the p rices o f the variou s item s o f sh elter c o st. L arsgaard, O lga A . and M ack , L o u ise J. “ C om p act Cars in the C on su m er P rice In d e x ,” M o n th ly L a b o r R e v ie w , M ay 1961, pp. 5 1 9 - 5 2 3 . R eprint N o . 2368. S u m m arizes and exp lain s the m eth od ology u sed to link co m p a ct cars in to the C on su m er Price In dex in 1961. D isc u s s e s the h istorical treatm ent o f q u ality ch an ges in standard size cars. N a k a y a m a , T o sh ik o and W arsk y, D ian e. “ M easuring R egional P rice C h an ge h r U rban A r e a s ,” M o n th ly L a b o r R e v ie w , O cto b er 1973, pp. 3 4 - 3 8 . R eprint N o . 2920. N u m ber 13. 14. 15. D e sc rib es C on su m er Price In d ex es w h ich m easure price ch an ge in urban areas grouped b y region s. P rovid es historical d ata fo r th ese in d ex es togeth er w ith a brief a n alysis o f their b eh a v io r during the 1 9 6 7 -1 9 7 3 period. N atio n a l B ureau o f E co n o m ic R esearch . T h e P r ic e S t a t i s t i c s o f th e F e d e r a l G o v e r n m e n t: R e v i e w , A p p r a is a l, a n d R e c o m m e n d a tio n s , (W ash in gton, N a tion al B ureau o f E co n o m ic R e search , G eneral S eries, N u m b er 73, 1961), 496 pp. A lso ap p e a r s in G o v e r n m e n t P r i c e S t a t i s t i c s : H e a r i n g s , S u b co m m ittee o n E con om ic S ta tistics o f the Joint E con om ic C o m m ittee, 87th C o n g ., 1st s e s s ., Part 1, January 24, 1961, ([W a sh in g to n ,] U .S . G overn m en t Printing O ffice, 1961), 526 pp. R ep ort o f the d etailed in v estigation b y the P rice S tatistics R e v iew C om m ittee o f the N B E R in 1959 o f the m ain price in d ex es co m p iled b y the F ed eral G overnm ent: T he C on su m er P rice In dex; the W h olesale P rice In dex; and the In d ex es o f P rices R e ce iv ed and Paid b y Farm ers. R e v iew s and a n alyzes the v ariou s a sp ec ts o f th e in d ex es and p resen ts general and sp ecific recom m en d ation s for im p rovem en ts. T w elv e sta ff reports app en ded. 11. R o th w e ll, D o r is P . “ C a lc u la tio n o f A v e ra g e R etail F o o d P r ic e s ,” M o n th ly L a b o r R e v ie w , January 1965; pp. 6 1 —66. E xp lain s the B L S m eth od s o f co llectin g p rices, and com puting in d ex es and average p rices for fo o d item s in the ind ex. E m p h a sizes the u n su itab le nature o f in d ex data for com pari so n o f p rices b e tw e en c ities. P resen ts estim ated retail p rices o f fo o d from D ecem b er 1963 through N o v em b er 1964, the c ities c o v er ed , and the pricing diagram for fo o d in th e ind ex. 1 2 . __________“ U s e o f V arying S ea so n a l W eigh ts in Price Index C o n stru ctio n ,” J o u r n a l o f th e A m e r ic a n S t a t i s t i c a l A s s o c i a tio n , M arch 1958, pp. 6 6 - 7 7 . D escrib es a form ula b ased on varying sea so n a l w eig h ts for m onth -to-m onth m easu rem en ts o f price change w h ich d o es n o t ex h ib it the “ b ia s e s ” o f ch ain in d ex es and w h ich satisfies cla ssica l in d ex th eory w ith resp ect to year-to-year com pari so n s. R esu lts o f exp erim en tation w ith alternative form ulas are p resen ted . 16. S h isk in , J u liu s. “ U p d a tin g th e C o n su m er P rice In d ex — A n O v e r v ie w ;” M o n th ly L a b o r R e v i e w , July 1974, pp. 3 - 2 0 . Reprint N o . 2979. D escrib es u ses and m easu res o f the CPI and its lim itations as a p roxy for a co st-of-livin g in d ex. R e v iew s previou s revi sio n s and d isc u sse s problem s and p u rp oses o f the current revision sch ed u led for co m p letio n in 1977. In clud es a ca len dar sh ow in g sch ed u led step s on the revision , 1 9 7 2 -7 8 . U .S . C o n g ress, H o u se o f R ep resen ta tiv es, C om m ittee on Edu cation and L abor. C o n s u m e r s ’ P r ic e I n d e x , S p ecial su b com m ittee o f the C om m ittee on E d u cation and L abor, 82nd C o n g ., 1st s e s s ., R eport N o . 2 (1951), 39 pp. N o n tech n ica l sum m ary o f resu lts o f hearings on the reliabil ity o f the C on su m er Price In d ex. P resen ts details o f history, u s e s , and m eth od o f con stru ction o f the in d ex. R ecom m en d s con tin u ed support o f the in d ex by the C on gress. U .S . C o n g ress, Joint E co n o m ic C om m ittee. G o v e r n m e n t P r ic e S t a t i s t i c s : H e a r in g s , S u b com m ittee on E con om ic S ta tistics, 87th C o n g ., 1st s e s s ., Part I, January 24, 1961 (W ashington, U .S . G overn m en t Printing O ffice, 1961), 526 pp. Part 2, M ay 1, 2, 3, 4, and 5, 1961. (1961), 265 pp. Part 1 p resen ts findings o f an in vestigation by the Price S ta tistic s R e v ie w C o m m ittee o f the N a tio n a l B ureau o f E c o n o m ic R e se a rc h in 1 9 5 9 - 6 0 o f all govern m en t price sta tistics. A lso in clu d es 12 sta ff papers on sp ecific su bjects. T he d etailed tech n ical report in clu d es recom m en dations for im p rovem en t o f all in d ex es and, sp ecifically for the C on su m er P rice In d ex, su ggests exten d ed co v erage to include sin gle co n su m ers, probability sam pling tech n iq u es, esta b lish m en t o f a research d iv isio n , and regularly sch ed u led w eigh t rev isio n s. Part 2 p resen ts testim on y b efore the sub co m m ittee o f m em b ers o f the Price S tatistics R e v iew C om m ittee, govern m en t o fficia ls, and oth er interested parties con cern in g the com m ittee report and recom m en d ation s. U .S . C o n g ress, Joint C om m ittee on the E co n o m ic R eport. T he C o n s u m e r s ’ P r ic e I n d e x - R e p o r t o f th e J o in t C o f n m itte e o n th e E c o n o m ic R e p o r t o n th e C o n s u m e r s ’ P r ic e I n d e x o f th e U n ite d S t a t e s B u r e a u o f L a b o r S t a t i s t i c s , 80th C o n g ., 2nd s e s s . (1949), 20 pp. B rief statem en t o f the results o f exam in ation s o f m eth o d o l o g y , com p ilation , c o m p o sitio n , and p resen tation o f the C on su m er P rice In d ex as o f 1949. E x te n siv e bibliography. 17. U .S . D ep artm en t o f L abor, B ureau o f L abor S tatistics. T he C o n s u m e r P r ic e I n d e x : H is to r y a n d T e c h n iq u e s . B ulletin 1517 (1966), 112 p ages. P resen ts the m o st co m p reh en sive treatm ent o f the U .S . C on su m er Price In d ex availab le in a single docu m en t. Pro v id es an h istorical sum m ary cov erin g the sc o p e and m ethod o f com p ilin g th e C on su m er Price In d ex sin ce its in cep tion , a d etailed exp lan ation o f p resen t tech n iq u es, and a d escrip tion o f th e 1964 co m p reh en sive revision o f th e in d ex. A b ib liog raphy o f p u b lication s on m eth od ology and an alysis o f price trends is inclu ded. 1 8 . _________ T h e C on su m er P rice Index: A Short D escrip tion , 1971. A n on -tech n ical d escrip tion o f the in d ex, its sco p e and com p u tation . E xp lain s the m arket b ask et, form ula, u ses and lim itations o f th e in d ex. T ab les sh o w c ities inclu ded, popula tion w eig h ts, pricing sc h e d u le s, groups o f g o o d s and serv ices p riced , their relative im portance and the num ber o f item s priced a s o f D ecem b er 1963. BLS HANDBO O K OF METHODS 108 T e c h n i c a l R e f e r e n c e s — C o n t in u e d N um ber N um ber 19. ju stm en t p resen ted . T abu lation o f adjusted in d exes from 1 9 4 0 -5 0 , relative im portances and w eigh ts generated by the interim adjustm ent also are p resen ted . 2 2 . _________ C o n s u m e r P r ic e s in th e U n ite d S t a t e s , 1 9 5 3 —5 8 : P r ic e T r e n d s a n d I n d e x e s , B ulletin 1256, (1959), 126 pp. A n a ly zes and exp lain s retail price trends and their e ffect on the e co n o m y from 1953 to 1958. B rief history o f the in d ex and com p arison o f featu res o f the old in d ex based on the 1 9 3 4 -3 6 exp en d itu res su rv ey , w ith the adjusted in d ex based on the 1 9 4 7 -4 9 exp en d itu res su rvey in 7 cities and the revised ind ex based on the 1950 exp en d itu res su rvey. E xp lain s the 1952 revision in detail. P resents historical in d ex es for variou s seg m ents o f the in d ex. 2 3 . U . S . O f f ic e o f E c o n o m ic S t a b iliz a t io n . R e p o r t o f t h e P r e s i d e n t ’s C o m m itte e o n th e C o s t o f L iv in g , (1945), 423 pp. S u m m arizes the findings o f the in vestigation in 1943 - 4 4 o f the su itab ility o f the C on su m er Price In dex for m easurem ent o f the change in the c o st o f living during w artim e. In clud es d etailed d isc u ssio n s o f the d efin ition , sc o p e , and statistical m eth od ology o f the ind ex. 24. W ilk erson , M arvin. “ Sam pling Error in the C on su m er Price In d e x ,’’ J o u r n a l o f th e A m e r ic a n S t a t i s t i c a l A s s o c ia tio n , S ep tem b er 1967, V olu m e 62, N o . 319, pp. 8 9 9 - 9 1 4 . D escrib es the sy stem o f rep licated sam p les introduced into the con su m er price in d ex as o f D ecem b er 1963. E stim ates o f sam pling error in the CPI are g iven and their adequ acy and lim itations evalu ated . 20. _________ S e a s o n a l F a c to r s , C o n s u m e r P r ic e I n d e x : S e l e c t e d S e r ie s , J u n e 1 9 5 3 - M a y 1 961, B ulletin 1366 (1963), 47 pp. P rovides basic data w ith w h ich C on su m er Price Index old series in d ex es can be adjusted for season al variation. U sers are cau tion ed that the 1964 revision m ay have a very d ifferent effect o n the series. In clu d es a d escrip tion o f the B L S m eth od o f com puting season al fa cto rs, a d isc u ssio n o f its application to co n su m er price series, co m m en ts on sp ecific series and tables providing in d ex es and season al factors for 66 selected series through M ay 1961. __________ “ T a x es and the C on su m ers’ Price In d e x ,’’ M o n th ly L a b o r R e v ie w , January 1953, pp. 5 3 - 5 7 . Reprint N o . 2090. D isc u s se s the present treatm ent o f taxes in the ind ex and the sp ecific ta x es inclu ded. Ju stifies the B L S p olicy o f c o n tinuing to ex clu d e in com e ta x es from the ind ex and including sa les and e x c ise ta x e s. 21. —_____ I n te r im A d ju s tm e n t o f C o n s u m e r s ’ P r ic e I n d e x : C o r r e c tio n o f N e w U n it B ia s in R e n t C o m p o n e n t o f C o n s u m e r s ’ P r ic e I n d e x a n d R e la tiv e I m p o r ta n c e o f I te m s , B ulletin 1039 (1952), 4 9 pp. M ilitary d ev elo p m en ts in K orea in 1950 em p h asized and m ade urgent the need for rew eighting o f certain segm en ts o f the in d ex b efore the already initiated revision could be com p leted in 1952. T h e failure to reflect the d ifferen ce b etw een rents for n ew d w ellin gs w h en th ey first enter the m arket and com parable d w ellin gs already on the m arket during and after the S ec o n d W orld W ar is d isc u sse d and the m ethod o f ad- Chapter 14. Wholesale Prices B ackground The W holesale Price Index (WPI) is the oldest con tinuous statistical series published by the Bureau o f Labor Statistics (B L S) and on e o f the oldest in the Federal G overnm ent. It w as first published in 1902, and covered the years 1890—1901. The origins o f the index are associated with a resolution o f the U .S . Senate in 1891, w hich authorized the Senate C om m ittee on F i nance to investigate the effects o f the tariff law s “ upon the imports and exports, the grow th, developm ent, production, and prices o f agricultural and m anufac tured articles at hom e and abroad.’’1 The index published in 1902 on the b ase 1 8 9 0 -9 9 was an unw eighted average o f price relatives and included from 250 to 261 com m odities. Since that tim e, many changes have been made in the sam ple o f com m odities, the base period, and in the m ethod o f calculating the index. The first major change w as com pleted at the end o f 1914, w hen a system o f w eighting w as introduced and the index w as recalculated back through 1890.2 B y 1940, the number o f com m odities had increased to ap proxim ately 900, based on about 2,000 individual price quotations. Then, in 1952, the m ost exten sive revision in the history o f the index w as co m p leted .3 The number o f com m odities and quotations w as doubled, w eights w ere based on 1947 C ensu ses and changes were made in the calculation m ethod. Som e changes in classification w ere made also, including expansion to the present 15 major groups. A major reclassification was implemented in January 1967, w hen the 8-digit classification struc ture w as initiated. A lso at that tim e, new w eights from the 1963 industrial cen su ses w ere introduced. By January 1975, the num ber o f com m odities had increased to nearly 2,800, the num ber o f price quota tions had increased to over 10,000, and the index had 'Wholesale Prices, Wages, and Transportation, S en ate R eport N o . 1394, “ T he A ldrich R ep o rt,” S en ate C om m ittee o n F in an ce, C on g ress o f the U n ited S ta tes, M arch 3, 1893, Part I, (52d C o n g ., 2d s e s s io n ) , G o v e r n m e n t P rin tin g O ffic e (18 9 3 ); an d Course of Wholesale Prices, 1 8 9 0 -1 9 0 1 , B ulletin o f the D epartm en t o f Labor, N o . 39, M arch 1902, pp. 205 - 2 0 9 . 2S e e a lso , A llan D . S earle, “ W eigh t R ev isio n s in the W h olesale P rice In d ex , 1 8 9 0 -1 9 6 0 ,” Monthly Labor Review, February 1962, pp. 1 7 5 -1 8 2 . 3A large num ber o f the n ew ly introduced com m od ity p rices w ere carried b a ck to 1947. T h e p resen tly published in d ex con tain s the n ew co m m o d ities for the period 1 9 4 7 -5 1 and d isp la ces the old er, less co m p reh en siv e ind ex o n the 1926 b ase pu blished for the sam e period. becom e increasingly representative o f general primary market price changes. D e s c r ip t io n o f S u r v e y Concepts Throughout its history, the WPI has been a measure o f price changes for goods sold in primary markets in the U nited States. “ W holesale’’ as used in the title o f the index refers to sales in large quantities, not prices received by w holesalers, jobbers, or distributors. From its inception, the index has been considered a general purpose index designed to measure changes in the general price level in other than retail markets. From the beginning o f the index, h ow ever, attention w as directed to som e specific needs o f users, and in d exes for individual com m odities and for major com modity groups were published. A s early as 1903, two spe cial group indexes by stage o f processing — Raw Com m odities and M anufactured C om m odities — were pub lished “ to m eet the w ish es o f students o f price statis tic s .’’ In recent years, em phasis has been placed on the developm ent o f more subdivisions within major groups and special com binations o f indexes such as by stage o f processing and by durability o f product. M ost o f the quotations reported to the Bureau are the selling prices o f representative manufacturers or pro ducers, but som e prices are th ose quoted on organized exchanges (spot prices) or at central markets. Prices for imported com m odities are th ose received by importers — the first com m ercial transaction involving the com m odity in the U nited States. Since the index is intended to m easure “ pure’’ price change, that is, not influenced by changes in quality, quantity, shipping term s, product m ix, e tc ., com m odities included in the index are de fined by precise specifications which incorporate their principal price-determ ining characteristics.4 So far as p ossib le, prices are f.o .b . production point, and refer to sales for im m ediate delivery. Prices applicable to longrun contracts generally have been excluded excep t w here contract prices dom inate the market. “ Futures’’ prices are not included. 4A n exam p le o f a com m od ity sp ecification for steel strip is: “ Strip, cold -rolled , carbon ste el, c o ils, N o . 4 tem p er, N o . 2 finish , N o . 3 ed g e, b ase cham istry, 6 ” x .050” , in quantities o f 10,000 to 19,9991b., m ill to u ser, f.o .b . m ill, p er 100 lb .” 109 110 BLS HANDBO O K OF METHODS Universe The WPI universe con sists o f all com m odities sold in com m ercial transactions in primary markets o f the l i nked States, including Alaska and Hawaii. Commodities produced in the U nited States are included, as well as those im ported for sale. The universe covers m anufac tured and p rocessed good s and the output o f industries classified as manufacturing, agriculture, forestry, fish ing, m ining, gas and electricity, public utilities, and goods com petitive w ith th ose made in the producing sector, such as w aste and scrap m aterials. All system a tic production is represented, but individually priced item s, such as works o f art, are excluded. A lso ex cluded are goods transferred betw een establishments o w n ed by the sam e com pan y (interplant or intra com pany transfers). G oods sold at retail by producerow ned retail establishm ents also are excluded b ecause they conceptually belong to a retail (custom ers’) uni v erse, rather than to primary market transactions. Civilian goods norm ally purchased by the G overn m ent are in the u niverse, but military good s are not. G overnm ent sales o f som e com m odities (e .g ., electric pow er) are included if they can be considered com peti tive w ith free market sales. Prices To the exten t p ossib le, the prices used in construct ing the index are th o se that apply to the first significant com m ercial transaction in the U nited States. T ransac tions for the sam e item at later stages o f distribution are not included. H o w ever, as raw materials are trans form ed into sem ifinished and finished good s, the result ing products are represented. With som e ex cep tio n s, the prices refer to on e particu lar day o f each m onth. In m ost ca se s, the pricing date is T uesday o f the w eek containing the 13th day; but for som e com m odities (farm products, particularly) a day other than T uesday is used b eca u se it is considered more represen tative.5 For som e other products, an av erage o f prices throughout the month is used and results in 1- or 2-m onth lags b etw een the price reference month and the index m on th .6 T he Bureau attem pts to base the WPI on actual trans action prices. C om panies are requested to report prices less all d iscou n ts, allow an ces, rebates, free deals, etc., so that the resulting net price is the actual selling price o f the com m odity for the specified basis o f quotation. The Bureau periodically em ph asizes to reporters the need to take into account all discoun ts and allow ances. 5T h e p rices u sed in the in d ex through 1951 w ere the sim ple arithm e tic averages o f p rices for all T u esd ays in the m onth. F rom January 1952 through D ecem b er 1966, T u esd ay o f the w e ek containing the 15th w a s the pricing date. 6L agged prod u cts inclu de gas fu e ls, electric p ow er, refined p e troleum , and industrial ch em ica ls. H ow ever, list or book prices are used if transaction prices are unobtainable. Prices are generally f.o .b . production or central mar keting point to avoid reflection o f changes in transporta tion co sts. D elivered prices are included only when the custom ary practice o f the industry is to quote on this basis and the Bureau cannot obtain a price at the pro duction point. Subsidies to the producer and ex cise taxes are excluded since they are not considered part o f the price, but import duties are included as part o f the selling price o f imported goods. Although the sam e com m odity is priced generally month after m onth, it is necessary to provide a m eans for bridging over changes in detailed specifications (or descriptions o f item s priced) so that only real price change will be m easured. An adjustment is particularly important w hen new com m odities are introduced, but even w hen specifications o f existing com m odities are changed, care is exercised to help insure that only price changes influence the index. A new price series result ing from a physical change in an article or a change in its selling terms is substituted for the earlier series by direct com parison or by linking. The objective o f the linking procedure is to insure that the index will reflect only th ose changes due to actual price d ifferen ces.7 Each time a change in the item priced occurs, the Bureau appraises the significance o f the specification change to ascertain w hether an actual price change occurred. If the specification change is minor and does not involve price-making factors, the substitution is effected by direct com parison, and any reported price change b etw een the old and the new specification is reflected in the index. If changes in specification are major, and if either no real price change occurred or no information can be obtained concerning the value o f the differen ce in sp ecification (perhaps indicative o f a change in quality), the substitution is made by linking and no change is reflected in the index. In this ca se, any reported difference in price level is not permitted to affect the index level. W hen differences are major, an attempt is made to obtain data from the reporters on the value o f the addi tional (or deleted) features and to adjust the price index accordingly. This is particularly important in the case o f 7T he fo llo w in g ex am p le illustrates the linking p rocedure: T h e S ep tem ber price for a certain m achine u sed in the calcu lation o f the ind ex w as $2,347.50. In O ctob er, a n ew m odel o f the m achine w a s intro d u ced , priced at $2,562.60. T h e n ew m odel w a s con sid ered e s s e n tially com parable w ith the old , e x c e p t that it had a m ore pow erful m otor and larger tires. T h e se w ere valued at $186.20 m ore than the value o f th ose u sed o n the form er m od el. F or linking, the S eptem ber price o f the n ew m od el w as estim ated at $2,533.70 ($2,347.50 S e p tem ber price o f form er m od el p lu s $186.20 in crease in value o f m otor and tires). T he price com p arison b e tw e en S ep tem b er and O ctob er w as b ased on the estim ated S ep tem b er price o f $2,533.70 and the reported O ctob er p rice o f $2,562.60. T hu s a 1 .1-percent in crease w as reflected in the O ctob er in d ex, but the price ch an ge du e to quality im p rovem en t (m ore pow erfu l m otor and larger tires) w a s not re flected . W HOLESALE PRICES 111 Wholesale Price Index Relative importance, number of items and price quotations for major groups and subgroups Code Grouping Relative importance in total 1963 weights Number of items and price quotations, July 1975 December 1974 December 1966 Items Price quotations 01 01-1 01-2 01-3 01-4 01-5 01-6 01-7 01-8 01-9 All Commodities ................................................................................ Farm products, processed foods and feeds ............................ Farm products ................................................................... Fresh and dried fruits and vegetables .................... G rain s........................................................................ Livestock ................................................................... Live poultry ............................................................... Plant and animal fibers ........................................... Fluid milk .................................................................. E g g s ........................................................................... Hay, hayseeds, and oilseeds.................................... Other farm products................................................. 100.000 29.078 11.141 1.119 1.980 2.959 .344 .467 1.978 .469 1.034 .790 100.000 27.170 10.637 1.171 1.357 3.086 .332 .553 2.001 .576 .780 .781 2,793 279 87 30 8 12 3 15 2 1 7 9 10,108 768 126 47 8 12 3 24 2 1 12 17 02 02-1 02-2 02-3 02-4 02-5 02-6 02-7 02-8 02-9 Processed foods and feeds ............................................... Cereal and bakery products ..................................... Meats, poultry, and f is h ........................................... Dairy products........................................................... Processed fruits and vegetables ............................. Sugar and confectionery........................................... Beverages and beverage m aterials........................... Fats and oils1 ........................................................... Miscellaneous processed fo o d s................................ Manufactured animal fe e d s ..................................... 17.936 2.141 4.141 1.937 .859 2.795 1.897 .910 1.221 2.034 16.533 2.038 4.404 2.275 .856 1.192 2.047 .603 1.183 1.935 192 22 39 15 35 11 18 17 20 15 642 85 93 55 153 25 104 24 61 42 03 03-1 03-2 03-3 03-4 03-5 03-6 03-7 Industrial Commodities ............................................................ Textile products and apparel ........................................... Cotton products ........................................................ Wool products ........................................................... Synthetic products.................................................... Silk products2 ........................................................... Apparel ..................................................................... Textile housefurnishings........................................... Miscellaneous textile products ................................ 70.922 5.772 1.090 .248 1.159 — 2,514 169 36 7 47 — 64 10 5 9,340 405 75 8 97 — 2.809 .334 .132 72.830 7.149 1.152 .403 1.488 .021 3.562 .384 .139 04 04-1 04-2 04-3 04-4 Hides, skins, leather, and related products ................... Hides and skins ........................................................ Leather ...................................................................... Footwear.................................................................... Other leather and related products ......................... 1.040 .067 .157 .571 .245 1.264 .097 .196 .667 .304 49 12 11 17 9 101 12 12 52 25 05 05-1 05-2 05-3 05-4 05-6 05-7 Fuels and related products and power ............................ Coal ........................................................................... Coke ........................................................................... Gas fuels ................................................................... Electric power ........................................................... Crude petroleum1 ..................................................... Petroleum products, refined .................................... 9.616 1.104 .127 .722 1.896 .801 4.966 7.130 .439 .070 .691 1.808 .614 3.508 163 7 7 2 18 13 116 1,517 57 6 2 176 60 1,216 06 06-1 06-2 06-3 06-4 06-5 06-6 06-7 Chemicals and allied products ........................................ Industrial chemicals ................................................ Paint and paint materials1 ....................................... Drugs and pharmaceuticals..................................... Fats and oils, inedible............................................. Agricultural chemicals and chemical products ....... Plastic resins and m aterials.................................... Other chemicals and allied products ....................... 6.475 2.264 .681 .625 .215 .719 .479 1.492 6.738 1.968 .706 .888 .163 .675 .456 1.522 324 84 29 105 7 44 10 45 830 321 62 161 7 117 29 133 07 07-1 07-2 Rubber and plastic products............................................ Rubber and rubber products .................................... Plastic products........................................................ 2.074 1.251 .824 2.339 2.339 ------ 99 57 42 306 168 138 08 08-1 08-2 08-3 08-4 Lumber and wood products............................................... Lumber....................................................................... Millwork .................................................................... Plywood ...................................................................... Other wood products ................................................ 2.393 1.300 .597 .368 .129 2.418 1.215 .658 .416 .129 88 52 16 15 5 349 186 61 71 31 See footnotes at end of table. , 190 24 11 BLS HANDBO O K OF METHODS 112 Wholesale Price Index—Continued Relative importance, number of items and price quotations for major groups and subgroups Code Relative importance in total 1963 weights Grouping December 1974 09 09-1 December 1966 Number of items and price quotations, July 1975 Items Price quotations 4.782 4.877 83 307 09-2 Pulp, paper, and allied products .................................... Pulp, paper, and products, excluding building paper and board .............................................................. Building paper and board ........................................ 4.672 .110 4.719 .158 75 8 274 33 10 10-1 10-2 10-3 10-4 10-5 fl0-6 10-7 10-8 Metals and metal products ............................................. Iron and steel ........................................................... Nonferrous metals .................................................... Metal containers ....................................................... Hardware ................................................................... Plumbing fixtures and brass fittin g s....................... Heating equipment ................................................... Fabricated structural metal products ..................... Miscellaneous metal products ........................ ......... 13.828 5.240 3.403 .505 .504 .167 .218 1.834 1.957 12.799 4.547 3.205 .462 .548 .177 .254 1.716 1.890 373 106 89 9 45 14 21 40 49 1,225 387 228 31 135 65 62 126 191 11 11-1 11-2 11-3 11-4 11-6 11-7 11-9 Machinery and equipment ................................................ Agricultural machinery and equipment.................... Construction machinery and equipment................... Metalworking machinery and equipment................. General purpose machinery and equipment ............ Special industry machinery and equipment ............ Electrical machinery and equipment........................ Miscellaneous machinery ......................................... 10.954 .629 .814 1.416 1.697 1.484 3.554 1.361 12.110 .665 .807 1.469 1.665 1.506 4.462 1.536 799 129 60 145 104 75 199 87 2,893 305 270 632 407 212 779 288 12 12-1 12-2 12-3 12-4 12-5 12-6 Furniture and household durables ................................... Household furniture .................................................. Commercial furniture................................................ Floor coverings .......................................................... Household appliances ............................................... Home electronic equipment ..................................... Other household durable goods................................ 2.893 .769 .417 .271 .674 .249 .512 3.584 .904 .416 .385 .891 .459 .529 94 21 7 9 29 8 20 431 126 28 41 142 18 76 13 13-1 13-2 13-3 13-4 13-5 13-6 13-7 13-8 13-9 Nonmetallic mineral products ......................................... Glass1 ......................................................................... Concrete ingredients ................................................ Concrete products .................................................... Structural clay products excluding refractories ..... Refractories............................................................... Asphalt roofing.......................................................... Gypsum products....................................................... Glass containers ....................................................... Other nonmetallic minerals ................................ 2.936 .291 .567 .843 .142 .131 .157 .088 .264 .454 3.040 .364 .612 .882 .168 .139 .127 .106 .273 .369 50 4 4 4 6 10 5 3 7 7 429 15 162 58 43 60 18 9 26 38 14 14-1 14-2 14-4 14-8 Transportation equipment ................................................ Motor vehicles and equipment................................. Aircraft1 .................................................................... Railroad equipment................................................... Mobile hom es............................................................ 6.054 5.221 .390 .323 .121 7.244 6.932 — 104 67 8 27 2 242 139 8 31 64 15 15-1 15-2 15-3 15-4 15-9 Miscellaneous products.................................................... Toys, sporting goods, small arms, ammunition ..... Tobacco products ...................................................... Notions ...................................................................... Photographic equipment and supplies .................... Other miscellaneous products ................................. 2.105 .421 .701 .089 .287 .608 2.498 .513 .802 .102 .386 .695 119 30 9 338 107 46 10 62 113 1 Subgroup index not published. 2 Subgroup index discontinued January 1971. NOTE: Relative importance represents the basic value weight of an item multiplied by the relative of price change between the weight date and a later date, .312 — 5 40 35 and the result is expressed as a percentage of the total for all commodities. The differences between the relative importances as of December 1966, the date of last major weight change, and that of December 1974 are the result of price changes only. W HOLESALE PRICES som e durable good s, such as autom obiles, which have periodic model changes. A lso, price increases which result from the addition o f features that formerly sold at extra cost are not reflected in the index. C onversely, price changes attributable to deletion o f equipm ent which was form erly standard are not treated as d e creases. In the event production o f a specified com m odity is discontinued by a reporter, or its im portance is re duced, the Bureau co llects price data for a similar or a replacem ent item . Prices are obtained for the new and the discontinued series for a 1-month overlap period. The index is extended by linking, and the difference, if any, b etw een the new item price and the original price is taken as a measure o f the quality difference betw een the tw o item s. Linking is also used for the addition to or deletion o f com m odities or groups o f com m odities from the index; the addition to or deletion o f a com pany report from the sam ple o f com panies priced, or, on occa sio n , a change in the source o f price. W henever a new com m odity is added to an existing com m odity group, linking o f the new item to any one o f the existing item s is not perti nent. Instead, the w eights o f the entire group are redis tributed to include the new item and the link is m ade at the group level instead o f at the com m odity level. A similar procedure is used to handle item s that drop out o f the index. Prices for individual com m odities reported by the individual com panies are averaged (usually by m eans o f an unw eighted average). M onth-to-m onth price change should be com puted from m atched-com pany data. In order that a change in the com pany-reporter sample itself not affect the m easure o f percent change, the change is calculated for any 2 m onths from identicalcom pany data. T hus, a new report affects the index no earlier than the secon d month. Classification T he classification system o f the WPI follow s com m odity lines. Products are grouped by similarity o f end-use or material com p osition , rather than by indus try o f origin. The WPI classification d oes not m atch the Standard Industrial C lassification (SIC), the Standard C om m odity C lassification, the U nited N ation s Stan dard International Trade C lassification (SITC), or any other standard classification . H istorical continuity and the needs o f index users have been important in de veloping the classification. N o single classification plan can m eet all o f the requirem ents for w h olesale price sta tistic s, but the plan adopted should be flexib le enough to facilitate regrouping o f price series to make special grouping ind exes. In July 1975, the index was made up o f 15 major groups, 88 subgroups, 294 product cla sses, 603 subproduct c la sses, and 2,793 item s.8 8S e e table for the m ajor groups and subgroups included in the W PI. 113 To m eet the needs o f index users, a number o f special group in d ex e s are calcu lated and published each m o n th . A m o n g th e s e are in d e x e s by sta g e o f p ro cessin g ,9 indexes by durability o f product, and in d exes o f construction materials, in addition to about 22 other special group indexes. E xcept for the stage o f processing indexes, these special groupings con sist o f rearrangements o f the WPI data into different com binations o f pric.e series, so that the appropriate prices and w eights are those o f the W PI. The stage o f processing ind exes, h ow ever, regroup each item priced in the WPI according to the amount o f processing, manufacturing, or assem bling it undergoes before entering the market. A com m odity may appear in several different categories in this schem e. Thus, 29 percent o f the fresh vegetables (by value-w eight) was assigned to crude foodstuffs and feedstuffs for further p ro cessin g and 71 p ercen t to con su m er fo o d s (as “ fin ish ed ” goods). The value w eights are the same as those o f the WPI and the allocations among the stages o f processing are from an inter-industry transaction study made for the year 1958 by the Bureau o f Economic A n alysis, U .S . Departm ent o f Com m erce. Early in 1976, th ese allocations will be updated to 1967 relation ships. D a ta S o u r c e s a n d C o ll e c t i o n M e t h o d s Prices Price data are collected by mail questionnaire, and reporting is voluntary and confidential. M ost prices are collected each m onth. For a few com m odities, for w h ich p rice ch a n g e s are in fr e q u e n t, th e sh u ttle schedule is mailed quarterly, but m onthly prices are requested. G enerally, the price data used in the index are obtained directly from the producing com pany, but som e trade publications are used when the publication generally is accepted as reliable by the Bureau and the industry. For fish and m ost agricultural products, the prices used are those collected and published by other G overnm ent agencies. Price reporting is initiated, w herever possible, by a personal visit by a Bureau representative to the pro spective respondent. Pricing o f additional products from established reporters often is started by mail. In any even t, a detailed repon lescribing all o f the price making characteristics o f the com m odity is prepared for each new price series. This com m odity price informa tion sheet (B L S 1810) is show n on pages 118, 119 and 120. The form b ecom es a part o f the permanent record for the series. After the initial collection o f prices, m onthly information is co llected by mail on a shuttle schedule. (B L S 473, show n on pages 121 and 122.) 9T he broad stages o f p ro cessin g are: C rude m aterials for further p rocessin g; In term ed iate m aterials, su p p lies, and com p on en ts; and F in ished g o o d s. E ach o f th ese is su bd ivided further. . 114 BLS HANDBO O K OF METHODS Weights The price data are com bined using w eights based on value o f shipm ents. The major sources o f the Value data are: B u r e a u o f C e n s u s ............ C e n s u s o f M a n u f a c t u r e s C e n s u s o f M in e r a l I n d u s t r ie s B u r e a u o f M in e s .............. V a r io u s p u b lic a t io n s , e .g . , M in e r a ls Y e a r b o o k D e p a r tm en t o f A g r ic u ltu r e ....................... V a r io u s p u b lic a t io n s , e .g . , A g r ic u ltu r a l S t a t i s t i c s B ureau o f F is h e r i e s ............................V a r io u s p u b lic a t io n s , e .g . , F is h e r i e s o f th e U n it e d S t a t e s In addition, m any other sources o f data, such as trade a ssocia tio n s, are u sed Import data are obtained from a report o f the U .S . D epartm ent o f C om m erce, U n i t e d S ta te s Im p o r ts f o r C o n s u m p tio n . Sampling The m onthly index is based on a judgm ent sam ple o f com m od ities, a sam ple o f sp ecifications (descriptions), and a sam ple o f reporters. The sam ple o f com m odities is ch osen after a review o f the data o f the industrial cen su ses and other statistics o f value o f transactions. G enerally, the com m odities ch o sen are th ose o f the largest shipm ent values. Starting w ith January 1967, ex p a n sio n o f In du stry S ecto r P rice In dex sam ple coverage has been a major influence in selecting new products for the W PI. N e w item s are not added until they have b ecom e established in the m arket.10 They are added, norm ally, in D ecem b er or June o f any year, and have their first effect on the index in January or July. S a m p le s o f s p e c ific a tio n s and o f rep o rters are selected after consultation w ith trade associations or other industry representatives and w ith staff o f other governm ent agen cies. Individual com m odity sp ecifica tions are selected also on the basis o f net dollar sales. That is, the “ volum e seller” o f the industry (not o f the com pany) is preferred. T he specification describes not only the popular physical characteristics but also the m ost com m on quality, grade, lev el o f distribution, and market. H o w ev er, term s o f sales (discounts, e tc.) are based on the com p an y’s ow n m ost com m on practice. For som e com m od ities, prices are quoted by producers and sellers in term s o f a single specification taken as standard; all other prices are quoted as differentials from the standard. The latter is true for som e farm products such as w heat and cotton . W hen no standard 10If n ew item s are add ed before th ey b eco m e fu lly estab lish ed , the sharp p rice d eclin e ex p erien ced by m o st p rod u cts, as th ey m o v e from d ev elo p m en t to m ass prod u ction , im parts a d ow nw ard bias to the in d ex . A lso , m?.ny n e w p rod u cts turn ou t to be o f on ly transitory sig n ifica n ce. http://fraser.stlouisfed.org/ Federal Reserve Bank of St. Louis com m odity basis ex ists, the specification to be priced is selected with the help o f industry experts. The number o f reporters is determ ined, to som e e x tent, by the variation o f price m ovem ents among them and the degree o f price leadership. W henever p ossible, a minimum o f three com panies is obtained, so that data for specified com m odities can be published without disclosure o f information supplied by individual com panies. For com m odities with more than one major production area and a definite regional pattern, a larger sam ple is selected . A m ong these com m odities are e lec tric pow er, refined petroleum products, w aste materials and building m aterials such as brick, cem ent, and stone. A com paratively small list o f properly selected com m odities would produce a reliable index, if only an All C om m odities index w ere desired. H ow ever, histori cally, interest has been great in ind exes for groups o f com m odities and for individual com m odities. To m eet these needs, the Bureau has increased the sample in order to provide m ore detailed indexes as well as many special-purpose in d exes. Probability sam pling tech niques generally have not been used for the WPI, but their feasibility currently is being tested. E s t im a t in g P r o c e d u r e s F orm ula a n d C a lcu la tio n In con cept, the W holesale Price Index is calculated according to a m odified L aspeyres formula: l.Ii = [ 2 QaPi/2 QaPo] x 100, w h e r e Po is th e p r ic e o f a c o m m o d i t y in th e c o m p a r is o n p e r io d a n d Pi is its p r ic e c u r r e n t ly . Qa r e p r e s e n t s th e q u a n t it y s h ip p e d d u r in g th e w e ig h t - b a s e p e r io d . An alternative form ulation more clo sely approxi m ates the actual com putation procedure: 2. Ii = [2 (QaPo) (Pi/Po) / 2 QaPo] X 100. In this form , the index is a w eighted average o f price relatives for each item (Pi/Po). The expression (QaPo) represents the w eights in value form and the “ P ” and “ Q ” elem ents (both o f w hich originally relate to period “ a ” but are adjusted for price change to period “ o ” ) are not derived separately. E ach value w eight includes not only the value o f item s priced but also the values o f unpriced item s w h ose price m ovem ents are assum ed to behave similarly. W hen new w eights are introduced, the index w ith new w eights is linked to the index co n structed with the earlier w eights. The w eight adjust m ent itself, therefore, affects only the later calculations o f average price change. W hen specifications or sam ples change, the item relatives must be com puted by linking (m ultiplying) the rela tiv es for the separate periods for w hich the data are precisely com parable. (For a som ew hat more detailed treatm ent, see chapter 13, C onsum er P rices.) W HO LESALE PRICES Base Period The W holesale Price Index has been com puted on the governm ent-w ide standard reference base 1967=100 since January 1971.11 It had been based 1 9 5 7 -5 9 = 1 0 0 from January 1962 through D ecem b er 1970. Earlier bases w ere 1 9 4 7 -4 9 , 1926, and 1913. N e w item s (or new index groupings con sisting primarily o f new item s) introduced into the index after 1967 cannot be calcu lated on the 1967 b ase. Such in d exes are published with separate b ases related to the date o f introduction. Weights The WPI w eights represent the total net selling value o f com m odities produced ^ p ro cessed , or im ported in this country, including A laska and H aw aii, and flow ing into primary m arkets. T he values are f.o .b . production point and are ex clu siv e o f ex c ise taxes. The value o f interplant transfers, military products, and good s sold at retail directly from producing establishm ents also are exclud ed . Thus the definition o f the w eights conform s to the universe definition. E ach com m odity price series is considered represen tative o f a class o f prices and is assigned its ow n w eight (the shipm ent value o f the com m odity) plus the w eights o f other related com m od ities not directly priced but w h o s e p r ic e s are k n o w n or a ssu m e d to m o v e sim ilarly.12 The assignm ent o f price m ovem ents for priced com m odities to th ose for w hich quotations are not obtained is referred to as im putation. For som e co m m o d itie s — su ch as sh ip s and som e k inds o f custom -m ade m achinery — it is not possible to obtain direct m easures o f price m ovem ent. The w eigh ts for such item s are assigned to other com m odities or groups o f com m od ities for w hich prices are available. U su ally, this assignm ent is m ade to priced com m odities that have a similar m anufacturing p ro cess, on the assum p tion o f similar price m ovem en ts. Price m ovem ents for attachm ents and parts for certain m achinery often are im puted to the m achine itself. The B ureau’s p olicy is to revise the WPI w eights periodically w h en data from the industrial cen su ses b ecom e a v a ila b le.13 T he w eigh ts beginning in 1976 are based on the 1972 industrial ce n su ses. In dexes for 1947 through 1954 are based primarily on the 1947 cen su ses. In the January 1955 in d ex, adjustm ents w ere made to align the major group w eight totals w ith 1 9 5 2 -5 3 averu C o n v ersio n o f in d ex es from the 1967= 100 b a se to the 1 9 5 7 -5 9 b a se m ay be a cco m p lish ed b y m ultiplyin g the 1967= 100 b ased ind ex b y that item ’s 1967 annual (12-m onth) average (1957-59= 100) and d ividing the result by 100. A vera g es for 1967, calcu lated from 12 m o n th s ’ d a ta , an d a p p ea r in g in th e D e c e m b e r 1968 is s u e o f “ W h o lesa le P rices and P rice In d e x e s’’ m ay be used for base con ver sion . 12B efo re the 1952 rev isio n (calcu lated b ack to 1947), priced item s in the in d ex w ere w eig h ted o n ly b y their o w n m arket valu es. gen eral, the c e n su s e s are co lle cte d at 5-year intervals. Digitized for 13In FRASER 115 age shipm ent values as reported in the Annual Surveys o f M anufactures. W eights based on the 1954 census shipm ent values w ere introduced in January 1958. From 1961 through 1966, w eights w ere based on 1958 censu s values, and from 1967 through 1975 they were based on 1963 censu s values. In January 1976 new w eights from the 1972 industrial cen su ses w ere incor porated. The Bureau publishes the relative im portance o f each item in the WPI rather than the actual values used as w eights. The relative im portance o f an item represents its basic value w eight used in the index, including impu tations, m ultiplied by the relative o f price change from the w eight date to a later date; the result is expressed as a percent o f the total for all com m odities or for som e index grouping.14 Imputing Missing Prices W henever price data are not available for a particular m onth, it is n ecessary to estim ate the m issing price for u se in the calculation o f the index. For com m odities in the farm products and p rocessed food s groups, out o f the market season ally, the price in off-season is im puted from the com bined m ovem en t o f the related com m odities for w hich prices are available for the two periods being com pared. For other com m odities, delin quent prices are held unchanged from the preceding month. Prices for som e custom -m ade item s are reported to B L S as estim ates. For exam ple, prices for fabricated structural steel for buildings and bridges are obtained from producers w ho reprice, each m onth, steel o f the sam e specifications as used in structures on w hich they had been engaged at the tim e pricing for the WPI was initiated. E levators, normally sold including installa tion, are reported f.o .b . plant — i.e ., excluding trans portation and installation co st — for use in the WPI. A n a ly s is a n d P r e s e n ta tio n The m onthly WPI is published first in a press release, usually issued in the first w eek o f the month follow ing the reference month. Indexes are show n for all groups and subgroups as w ell as for All C om m odities, Farm Products and Processed F ood s and F eeds com bined, and Industrial C om m odities. A nalytic tables also are included w hich sh ow m onthly percent changes for the preceding 12 m onths for major groupings, and selected season ally adjusted and unadjusted changes for som e stage o f processing classification s. A brief description and analysis o f the cau ses o f price m ovem ents are in cluded. The m onthly detailed report, issued som e tim e after the p ress re le a se , carries all data for w h ich 14T h e u se o f relative im portance data to con stru ct in d ex es for groups o f prod u cts is d isc u sse d in the 1973 su pp lem en t o f ‘ ‘W h olesale P rices and P rice In d e x e s .’’ R elative im p ortan ces as o f D ecem b er for all W PI item s are published in each annual su pp lem en t. 116 BLS HANDBO O K OF METHODS w h olesale price indexes are published, including item ind exes and all special group in d exes. Prices for many individual com m odities also are included. This report includes a more com prehensive an alysis than that given in the press release. Annual sum m aries appear in the annual supplem ents. In addition, num erous historical tabulations at various lev els o f detail are available on request. The m onthly in d exes are published as final. B egin ning with data for January 1967, on ly major corrections are made and published im m ediately at the tim e the error is d iscovered. Sub seq u en tly, all corrections re ported during the year are m ade, and the ind exes for all 12 m onths and the annual average are republished as revised. S ele c te d se a so n a lly adjusted in d ex e s or p ercen t changes are published in the p ress release and m onthly detailed report. A bout 50 in d exes w hich historically show significant and con sisten t seasonal m ovem ent are presented each m onth season ally adjusted and unad ju sted . T he applicable season al adjustm ent factors are available on request from the Bureau. T h ese factors are recalculated annually to include m ore recent data, and the m ost recent set o f factors m ay differ som ew hat from th ose p reviously in use. U s e s a n d L im it a t io n s The W PI is used by governm ent and private research agencies for many purposes, including market analysis, escalation o f long-term purchase and sales contracts, and form ulation o f m onetary p olicies. It is u sed , as w ell, as an indicator o f econ om ic trends. A 1961 survey o f users o f the WPI revealed that m ore than on e-h alf u se the All C om m odities index as a gen eral econ om ic indicator. A bout 40 percent u se that index or its com ponents to com pare w ith their selling or buying prices. The survey revealed that o ver 10 billion dollars (in term s o f unexpired value) in long-term con tracts for purchase o f material or lea se o f industrial property are escalated according to changes in the total index or its com pon en ts. G overnm ent agencies and private research groups also u se the com ponent series in deflating value data in preparation o f the gross na tional product estim ates and in studies o f econom ic grow th. T he ind ex also is u sed by buyers and sellers o f com m odities — purchasing agents and sales managers. In m ost o f th ese ca se s, it is not the All C om m odities index, but rather the group indexes and the individual price series that are em ployed . B uyers o f com m odities are able to ch eck both the am ounts w hich they pay for goods and the general m ovem ent o f their purchase prices against the index. The u se o f the index for ch eck ing ab solu te price lev els is lim ited substantially, h ow ever. T he B ureau’s main goal has b een to m easure the direction and am ount o f change, and only incidentally The index, as a m easure o f general and specific price trends, also is used w idely in budget making and re v iew , both in governm ent and in industry; in planning the co st o f plant expansion programs; in appraising inventories; in establishing replacem ent costs; etc. C om ponents o f the index also are used in LIFO (LastIn, First-Out) inventory accounting by som e organiza tions. A lthough the WPI often is used to m easure change in purchasing pow er o f the dollar, it should not be used to m easure changes in general purchasing pow er, prices at retail, securities p rices, etc. Com parisons b etw een the level o f the W PI, the C onsum er Price Index, and the indexes o f prices o f farm products show relative change from a base period, but com parisons o f the index levels should not be used as a m easure o f the actual margins b etw een farm prices and manufacturing or betw een manufacturing and retail. Its com m odity classification structure should be borne in mind w hen using it to m easure price changes for industries, many o f which m ake diverse products not classified as their “ pri m ary” p rod u cts.15 A gain, as in other m easures, the WPI has som e lim i tations even in the field for w hich it is conceptually designed. Segm ents o f the index are used as deflators o f gross national product data, but gaps in WPI coverage leave considerable areas for which deflators have not been provided. The WPI is based on a purposive judgm ent sam ple. The A ll C om m odities Index can be assum ed to be more reliable than a com ponent group index, in general. A lso , it can be assum ed that the reliability o f the index has increased over tim e as the sample has exp an d ed .16 A s the econ om y has produced an increasing proportion o f fabricated finished goods (w hose price changes are relatively infrequent), over the years, m ovem ent o f the WPI has becom e som ew hat sm oother. Currently, new products are added each year. In earlier d ecad es, there were also major additions o f large numbers o f new item s at one tim e, in com m odity areas previously underrepre sented. T hese sudden expansions could have made it appear that prices had stabilized suddenly. To the exten t that quality im proves (or deteriorates) over the years, the index errs w hen no adjustment is m ade. H ow ever, the Bureau m akes suitable adjust ments whenever possible. Assuming quality improve m ent, the in d e x ‘w ould have an upward bias if direct com parison w ere m ade b etw een unim proved and im proved articles. If, on the other hand, such changes w ere con sisten tly m ade by linking, a downward bias w ould result. Since the Bureau has not adopted either m ethod ex clu siv ely , and in m any instances tries to evaluate the changes brought to its attention, the bias that may exist is considered to be small. H ow ever, no m easure o f its magnitude is available. 15S e e ch . 15 o n Industry P rice In d e x es. 16T h e sam p le o f p riced item s dou bled in 1952 to abou t 1,850 item s C reased to about 2,500 since then. W HOLESALE PRICES 117 T e c h n ic a l R e f e r e n c e s Number 1. 2. 3. 4. C unningham , F ran cis S ., “ T h e U s e o f Price In d exes in E s calator C o n tra cts,” Monthly Labor Review, A u gust 1963, pp. 9 4 8 - 9 5 2 Reprint N o . 2424. A statem en t o f the u se o f the W h olesale and C on su m er Price In d ex es in escalatin g pu rchase and sales con tracts and w a g e s, w ith som e sp ecific su ggestion s and pitfalls noted. E v a n s, W . D u an e and H offen b erg, M arvin, “ Input-O utput R e lation s and A p p raisal,” in Studies in Income and Wealth, N e w Y ork , N ation al B ureau o f E co n o m ic R esearch , (1955) V o l. 18. A statem en t o f the con cep tu al fram ew ork, data, pricing problem s and sign ifican ce in eco n o m ic an alysis o f the U .S . G ov ern m en t’s interindustry statistical study o f 1947. E v a n s, W . D u an e and H offen b erg, M arvin, ‘ ‘The Inter-Industry R elation s Stu dy for 1947,” The Review of Economics and Statistics, M ay 1952, pp. 9 7 - 1 4 2 . A d escrip tion o f sc o p e , u s e s , and m ethod o f the U .S . G o v ern m en t’s interind ustry statistical study o f 1947. In c lu d es d isc u ssio n s o f com putational problem s, areas o f u se, data req uirem en ts, e tc. N atio n a l Bureau o f E co n o m ic R esearch . The Price Statistics of the Federal Government: Review Appraisal, and Recom mendations, W a sh in g to n , D .C ., N B E R G en eral S e r ie s, 5. 6. N u m ber 73 (1961). A n appraisal o f p rice sta tistics o f the F ederal G overnm ent b y the P rice S tatistics R e v iew C om m ittee o f N B E R , coverin g u s e s , c o n c e p ts, co lle ctio n , and p u blication, sam pling, and other a sp ec ts o f the C on su m er P rice In d ex, W holesale Price In d ex , In d ex o f P rices Paid by F arm ers, and other price m easu res. S ea rle, A llan D ., “ W eigh t R e v isio n s in the W h olesale Price In d ex , 1 8 9 0 -1 9 6 0 ,” Monthly Labor Review, February 1962, pp. 1 7 5 -1 8 2 . H isto ry o f w eigh t ch an ges and w eighting co n c ep ts, from in cep tio n o f the W h olesale P rice In d ex. U .S . C o n g ress, Joint E co n o m ic C om m ittee. Government Price Statistics: Hearings: Subcommittee on Economic Statistics, 7. 8. 87th C o n g ress, 1st s e s s ., Part 1, Jan. 2 4 ,1 9 6 1 ,526 pp .; Part 2, M ay 1 - 5 , 1 9 6 1 ,2 6 5 pp. Part I p resen ts the rep ort, Price Statistics of the Federal Government, prepared b y the N B E R (q .v .); Part II con tain s sta tem en ts o f private and govern m en t eco n o m ists, including th e r e sp o n se o f E w a n C la g u e, form er C o m m issio n er o f L ab or S ta tistics. U .S . D epartm en t o f L abor, Wholesale Prices, 1890 to 1899 (B ulletin 27, 1900). D e scrib es an inquiry into the c o u rse o f w h o lesa le p rices for the p u rp ose o f continuin g the stu d y con tain ed in the R eport o n W h o lesa le P rices, W ages, and Transportation m ade b y the S en a te C om m ittee on F in an ce, M arch 3 ,1 8 9 3 (pp. 2 3 7 -3 1 3 ). U .S . D epartm en t o f L ab or, Course of Wholesale Prices, 1890 to 1901 (B ulletin 39, M arch 1902). D e scrib es U n ited S tates S en a te F in an ce C om m ittee in d ex (p p . 2 0 5 - 2 1 1 ) , an d D e p a r tm e n t o f L a b o r in d e x (p p . 2 1 2 -2 4 3 ). Number 9. 10. U .S . D ep a rtm en t o f L ab or, B ureau o f L abor S ta tistic s Wholesale Prices and Price Indexes, 1954 -56 (Bulletin \2 \ 4 , M ethod o f Calculating Special Group In d exes, (pp 1 2 -1 3 ) C alculating R elative Im portance D ata (p. 14), D escription o f In d ex es b y Stage o f P rocessing (E conom ic Sector Indexes) (pp. 1 5 -2 2 ); A P ossible E ffect on W eight R evisions (p. 7) U .S . D epartm en t o f L abor, Seasonal Adjustment FactorsWholesale Price Index: S elected Series 1 9 4 8 - 1%1 (B L S Bul letin 1379, 1963). S ea so n a l adju stm ent factors for 183 com m od ities and com m od ity groups, and description o f B L S seasonal adjustm ent m eth od. 11. U .S . D epartm en t o f L abor, Wholesale Prices and Price In dexes, 1957, B L S B ulletin 1235 (1958). In d ex es by D urability o f Product (E conom ic Sectors by D urability o f P roduct), pp. 1 1 -1 4 . 12. U .S . D e p a r tm en t o f L a b o r , B u reau o f L ab or S ta tistic s, Wholesale Prices and Price Indexes, 1958, B L S Bulletin 1257 (1959). D e scrib es Su pp lem en tary Inquiry on W holesale Price Re ports (d iscou n t stu d y), pp. 1 0 - 1 2 , and January 1958 R evision o f the W eighting Structure, pp. 1 4 -1 6 . U .S . D epartm en t o f L abor, Wholesale Prices and Price In dexes, 1961, (B L S B u lletin 1382, 1964). January 1961 R ev isio n o f the W eighting Structure, pp. 1 4 -1 6 . U .S . D e p a r tm en t o f L a b o r , B u rea u o f L ab o r S ta tistic s, 13. 14. Wholesale Prices and Price Indexes, January 1967 (final) and February 1967 (final). 15. D e scrib es introduction o f n ew 1963 w eigh t values and m ajor reclassification effected in January 1967. U .S . D epartm en t o f L abor, Wholesale Prices and Price In dexes, January 1970. 16. D e sc r ib e s d e r iv a tio n and u s e o f r ela tiv e im portances (w eigh ts) and lists all W PI w eigh ts for D ecem b er 1969. U .S . D epartm en t o f L abor, Wholesale Prices and Price In dexes, January 1971. 17. 18. 19. 20. In trod uces the n ew standard referen ce b a se, 1967=100, and d escrib es con v ersio n from the form er b ase. U .S . S en a te, Wholesale Prices, Wages, and Transportation, S en ate R eport N o . 1394, P a r ti, “ T h e A ldrich R ep ort” (1893). C on tain s a sum m ary o f th e co m p lete S en ate report on w h o lesa le p rices, on w a g es, and on transportation m ade in resp on se to a S en ate resolu tion o f M arch 3, 1891. S earle, A llan D ., “ T ow ard C om p reh en sive M easurem ent o f P r ic e s,” Monthly Labor Review, M arch 1971, pp. 9 —22. D e scrib es h o w a general price in d ex cou ld be co n stru cted , w h at it sh ould accom p lish , and virtu es and lim itations o f variou s app roaches. C lorety, Josep h A ., Jr., “ M easurin g C h anges in Industrial P rice s,” Monthly Labor Review, N o v em b er 1970, pp. 3 0 - 3 6 . R elates Stigler-K indahl stu dy (N B E R , 1970) to B L S pro gram. T ib b etts, T h om as R ., “ Im p rovem en ts in the Industrial Price P rogram ,” Monthly Labor Review, M ay 1975, pp. 5 1 - 5 2 . BLS HANDBOOK OF METHODS 118 BLS 1810 Rev. Feb. 1974 Form Approved O.M.B. No. 44-R0602 U.S. DEPARTMENT OF LABOR Bureau of Labor Statistics Washington, D.C. 20212 Commodity Code No. PRICE INFORMATION SHEET FOR COMMODITIES SOLD IN PRIMARY MARKETS IN THE U.S. The Bureau o f L abor S ta tistics w ill h o ld all inform a tion furn ish ed b y the respon den t in str ic t confidence. Name of Firm Division or Affiliate Address: Street City & State Information Authorized by (Nam e) Title Information Furnished by (Name) Title Telephone No. Mail Schedule to (R eporter) Title Telephone No. Address: Street City & State Zip Code I. CO M M O DITY D E S C R IPT IO N (include style number, model number, lot number, grade, brand, etc.) Zip Code W HOLESALE PRICES II. 119 BASIS O F R EPO R TED PRICE Unit Quoted Size of Order Class of Seller (m fr., im porter, etc.) Class of Customer (wholesaler, user, etc.) Shipping Terms (f.o .b ., fa c to ry or shipping p o in t, frt. allow ed, delivered, etc.) Type of Carrier Most Frequently Used (rail, truck, oth er) Common Carrier □ Company Owned □ Other Prices preferred b y BLS are th e actual n et transaction prices f.o .b . fa cto ry . If it is im p ossib le to furnish su ch data, furnish d isco u n ts w h ich c o u ld b e used to arrive at the preferred data. I f y o u provide oth er than th e actual transaction p rice, in d icate th e ty p e o f price fu r n ish e d :__________________________ . III. D ISC O U N T S A N D A LLO W AN CES APPLICA BLE TO R E P O R T E D PRICES (Check the box provided for any which have been deducted to obtain the reported prices.) Quantity Discount (based on size o f order) □ Trade Discount □ Cash Discount (indicate term s) □ Seasonal Discount (indicate term s) □ Other Discounts (R ebates, Cum ulative V olum e D iscounts, A llow ances, Free Deals, etc.,) Explain fully: BLS HANDBOOK OF METHODS 120 IV . PRIC E H IST O R Y F O R CO M M O DITY D E S C R IB E D (Provide the price history hack through_______ for the commodity described previously in sections I and II.) Price Date Remarks V. G E N E R A L CO M M O DITY IN FO R M A T IO N Type of package, if applicable Is a refund allowed for returnable containers? Based on quantity, approximately what percent of your shipments of this commodity during the past year were inter-plant transfers (captivep. List any duties or excise taxes which are applicable to the reported prices. If tax is included in the reported price, explain how to calculate the price excluding the tax. Other remarks: V I. Other mfr. (O.E.M. or assembler) A PPR O X IM A T E P E R C E N T A G E O F SA L E S TO EAC H C L A SS O F C U STO M ER Distributor Jobber Wholesaler Retailer User Exporter Sales IF A N Y Q U E ST IO N S A R IS E C O N C E R N IN G TH E F O R M , P L E A SE CO NTA CT: D ate o f In terview Total 100% (a pp ro x .%) Interview er Other (specify) W HO LESALE PRICES 121 Form Approved O.M.B. No. 44R0194 BLS473 (Rev. Jin. 1974) U.S. DEPARTMENT OF LABOR Bureau of Labor Statistics Washington, D.C. 20212 INFORMATION FOR THE WHOLESALE PRICE INDEX ALL REPORTS WILL BE HELD IN CONFIDENCE Dear Sir: The price data which you provide is used in computing the Wholesale Price Index which is the officially accepted indicator o f primary market price movements. The index is widely used by industry and government. These voluntary reports, submitted by you and other businessmen, are the major source o f infor mation used in preparing this index. The information you provide is strictly confidential and open to inspection only to sworn employees o f the Bureau o f Labor Statistics. Please use the enclosed envelope, which requires no postage, for returning this schedule. continued cooperation is greatly appreciated. COMMISSIONER OF LABOR STATISTICS IMPORTANT INSTRUCTIONS In the boxes provided on the other side, please be sure to indicate all changes in COMMODITY DESCRIPTION, BASIS OF QUOTATION, DISCOUNTS, ALLOWANCES, AND TAXES that may have occurred since your last report. Your cooperation in keeping all information current is a great aid in computing a reliable, accurate Wholesale Price Index. Remarks Your BLS HANDBOOK OF METHODS 122 INFORMATION FOR THE WHOLESALE PRiCE INDEX Code No. 1. COMMODITY DESCRIPTION (Pleaseindicateall changes.) CHANGES Give date, nature, and estimated value of change 2. BASIS OF QUOTATION (Pleaseindicateall changes.) Date and nature of change Unit________________ Class of seller and customer Size of order__________ Shipping terms________ Other (Specify)________ 3. DISCOUNTS, ALLOWANCES, AND TAXES Indicate all discounts, allowances, and taxes applicable to above-basis otquotation. This information is needed to arrive at the ACTUAL SELLING PRICE. (Pleaseindicateall changes.) ,, , ^ YES Quantity discount Trade discount Cash discount Seasonal discount Other discount Other charges Date and nature of change NO Have any indicated > discounts been deducted from the reported price? Have any of these been included? Excise taxes 4. PRICE INFORMATION For the commodity described in item 1, please enter below the current price for the date indicated, on the basis quoted in item 2. Price as of Sept. 9,1975 PRICING DATE PRICE DATE OF PRICE CHANGE (If any) PRICING DATE PRICE Oct. 14,1975 Apr. 13,1976 Nov. 11,1975 May 11,1976 Dec. 9,1975 June 15,1976 Jan. 13,1976 July 13,1976 Feb.10,1976 Aug. 10,1976 Mar. 9,1976 Sept. 14,1976 r n DATE OF PRICE CHANGE (If any) PERMANENT OFFICE RECORD KINDLY RETURN THIS FORM PROMPTLY L J Chapter 15. Industry Price Indexes Background A part o f the B L S project on interindustry econom ics in the early 1950’s w as the preparation o f a series o f industry price in d ex es, based upon data collected for the W h olesale Price Index (W PI), covering the period 1947 through 1953. The new ind exes w ere n ecessary to revalue bills o f good s and industry output, and w ere calculated by regrouping the WPI into an interindustry (input-output) classification structure. An additional set o f product cla ss in d exes w as com puted in 1959 for the Bureau o f the C ensus for u se in their 1958 pro duction index benchm ark. This latter set w as used to deflate the shipm ent values in C ensus product cla sses w here actual production data w as either lacking or un satisfactory. A gain, th ese w ere essentially ind exes o f com m odity prices, classified as primary to a given ind u stry.1 The need for a B L S program o f published Industry Price Index tim e series becam e increasingly apparent in 1960 and 1961 w hen the Price Statistics R eview C om m ittee o f the N ational Bureau o f E con om ic R esearch recom m ended to the Bureau o f the B udget that the basic ob jectives o f an industrial price program should be com p reh en siven ess, m axim um detail in reporting, and groupings m ost useful in econ om ic analysis. The com m ittee stated “ . . . It seem s desirable that the subclassification should aim at fitting into the Standard Industrial C lassification .” 2 In 1962, the Bureau o f Labor Statistics initiated the d evelop m en t o f industry price ind exes. B eca u se o f the lrThe cla ssifica tio n o f estab lish m en ts in to in d u stries, in this pro gram , fo llo w s the g u id elin es esta b lish ed b y the O ffice o f M anagem ent and B u d get in its Standard Industrial C lassification (SIC) sy stem , as d efin ed in the 1972 ed ition . U n d er this cla ssification sy stem , related produ cts or serv ices are grouped togeth er and g iv en an industry cod e num ber (co n sistin g o f 4 digits). E v ery estab lish m en t is assign ed to the industry in w h ich its m o st im portant prod u cts or ser v ic es, in term s o f v a lu es, are cla ssified . M any ind ustries con tain estab lish m en ts w h ich produ ce significan t q u an tities o f g o o d s and se r v ic es that are classified in other ind ustries. T h ese g o o d s usu ally are referred to as “ secon d ary p ro d u cts.” 2Government Price Statistics, Hearings before the Subcommittee on Economic Statistics, o f the Joint E co n o m ic C om m ittee, C on gress o f the U n ited S ta tes, Part I, January 2 4 ,1 9 6 1 , page 64. A lso se e report o f U n ited N a tio n s E co n o m ic and S ocial C ou ncil; Problems and Methods in the Gathering of Representative and Comparable Wholesale Price Series, E /C N . 3/264, 15 M arch 1960, ch . II. project’s sco p e, the program w as seen as a long-run activity to be accom plished in several stages o f d e velopm ent. The initial phase w as d evoted to a study o f potential and conceptual data collection and conversion problem s. The first indexes used gross shipm ent w eights and com m odity prices from the WPI to construct output price indexes for the mining and manufacturing sectors. The developm ent o f output price indexes for the trans p ortation , co m m u n ica tio n s, and so m e oth er n on m anufacturing ind u stries is now in p rogress. The Bureau now publishes price indexes for total railroad freight and selected com m odity groupings, based upon th e S tan d ard T ra n sp o r ta tio n C o m m o d ity C o d es (STCC), with data available from January 1969. Input price in d exes, i.e ., th ose representing the price o f ma terial purchases, are planned for future developm ent. Concepts An industry price index is a com posite index con sist ing o f price series that follow the general econom ic pattern o f a particular industry. It includes products, som etim es o f dissim ilar typ es, grouped by industry o f origin. T hus, it differs from the W holesale Price Index, w hich is based primarily upon groupings o f similar com m odities. T hese industry indexes may be output price in d exes or input price ind exes, based upon either the products and services sold or the products and services purchased by an industry. An output price index for a given industry represents price indexes for a sam ple o f the products produced by that industry, aver aged together according to the relative im portance o f production o f each sam ple product to the industry. An input index for an industry co n sists o f an aggregation o f price ind exes for a sam ple o f the com m odities and ser vices purchased by the industry, averaged together ac cording to the relative magnitude o f the purchases. The direction o f the Bureau’s work has been toward tw o sets o f output price indexes. The first set, the industry price ind exes, u ses w eights o f gross shipments o f products “ m ade-in-the-industry” for the deflation o f industry shipm ents. The second set, the product class in d ex e s, (to be used for deflating C ensu s product cla sses) is output price indexes o f industry shipm ents cla ssified by industry, but w eigh ted by shipm ents o f the product produced anyw here in the econom y. 123 124 BLS HANDBOOK OF METHODS T h e se c o n d s e t ’s prim ary u se is in in p u t-o u tp u t an a ly sis.3 Universe The Standard Industrial C lassification (SIC) system , as revised in 1972, is currently used to define the scope o f the industry price index universe. This system en com p asses all products covered in the SIC as revised in 1972. R elated products or serv ices are grouped together and assigned a d ivision , tw o , three, or four digit indus try cod e according to the lev el o f industrial detail con si dered. A t the present tim e, the sco p e o f pricing is al m ost entirely restricted to the WPI com m odity co v erage due to the u se o f WPI price data. In theory, if price indexes are to parallel industry output data, the in d exes should cover the total output o f each industry including the value o f primary and seco n dary shipm ents, interplant transfers, the value o f sales to all c la sses o f cu stom ers, and the value o f industrial services. T hey should also include the value o f sales for export p urposes, but exclu d e the value o f e x c ise taxes and co sts o f transporting finished good s to purchasers. This approach is con sisten t w ith the “ total activity” coverage o f statistical series on em ploym ent and pro duction. In p ractice, industry price in d ex es are currently lim ited in scop e to the value o f primary and secondary shipm ents. Total product shipm ents are used (including interplant transfers) w hich inherently include ship m ents to all custom ers and the value o f exported prod ucts. The value o f industrial services is not currently covered in the universe. T heoretically, input price in d exes o f materials con sum ed in production should co v er the total material inputs o f the industry. This figure w ould include im ports for consum ption, transportation, d elivery costs and ex c ise taxes. In practice, the material input indexes will probably cover only the total material inputs o f an industry. Since values for im ports, transportation, d e livery c o sts and e x c ise taxes are difficult to obtain on an industry by industry b asis, the Bureau is only at the prelim inary stages in producing such material input in d ex e s.4 Prices and Base Period Prices used in the present industry price ind exes are generally th o se used in the W P I.5 Industry price in3F or a d isc u ssio n o f the variou s u ses o f input-output a n alysis, se e “ Input-O utput Structure o f the U .S . E co n o m y 1967,’’ Survey of dexes ideally w ould extend pricing to all classes o f cu s tom ers, including retail, for inclusion in the output in d exes. B uyer’s p rices, including the value o f shipping co sts, would be used for input indexes and w ould be representative o f the particular mix o f products pur chased by the buying industry. Currently, price data is limited in scop e to that obtained from the WPI w hich is conceptually lim ited to the actual transaction prices o f individual sellers. The current reference base period for the Industry Price Indexes is 1967 = 100. Classification The Standard Industrial Classification provides the basis for the classification schem e used in constructing industry price ind exes. W ithin this fram ework, indi vidual products are given a 7-digit code by the Bureau o f C en su s.6 The product ind exes are then aggregated to 5-digit product cla sses. U sin g these product class in dexes, 4-digit industry indexes are obtained using “ madein-the-industry” w eights. In concept, industry indexes can be aggregated to fit the sectoring plan o f the latest Input-Output m o d el.7 H ow ever, existing price co v erage is restricted to the manufacturing and mining sectors, and it is inadequate, ev en in th ose tw o sectors, for reliable estim ates at the 2- and 3-digit SIC levels. Sampling and Estimating Procedures Sampling A t the present tim e, the Industry Price Index pro gram depends alm ost entirely upon price data primarily collected for the W holesale Price Index. T hus, expan sion o f data for the industry price index has depended on the expansion o f the WPI. This expansion is gener ally directed at th ose industries w hich are considered to be m ost significant, based on such standards as value o f shipm ents, total em ploym ent, market im portance, etc. U nder th ese general criteria, particular com m odities, specifications, and respondents are selected judgm entally for the WPI and industry price indexes on the basis o f volum e, market share, and price leadership. Price data used in com puting an industry output price index should be representative o f the output o f the industry, nam ely, o f the value o f products made in plants classified in the industry but excluding prices o f products primary to the industry but made in plants classified in other industries. A s a rough guide to the Current Business. F ebruary 1974, p age 24. 4F or a th eoretical d iscu ssio n o f input price in d ex e s, se e On the Theory of Industrial Price Measurement: Input Price Indexes by R ob ert B . A rch ibald, (B L S w orking paper 48, 1975). 5S e e chapter 14, W h o lesale P rices, for a detail d iscu ssio n o f the Digitized forprices FRASER u sed in the W h o lesale P rice In d ex. ®The SIC p rovid es n o produ ct c o d e s. ^The Input-O utput m odel referred to is that com p iled b y the B ureau o f E c o n o m ic A n a ly s is , U .S . D e p a r tm e n t o f C o m m e r c e . S e e “ Input-O utput Structure o f the U .S . E con om y: 1967, “ Survey of Current Business, F ebruary 1074, pp. 25-32 and 36. INDUSTRY PRICE IN DEXES adequacy o f sampling techniques, the im m ediate objec tive is to represent at least 50 percent o f the total wherever-m ade value o f the com m odities included in each 5-digit C ensus product class. At the 4-digit indus try lev el, the publication criteria are as follow s. For those product cla sses w hich m eet the 50 percent stan dard, the primary production for that industry is added to the production for all published secondary products. This aggregation is com pared w ith the total value o f primary and secondary shipm ents for the industry. A p proxim ately 85 percent o f the total should be repre sented in order to publish a particular industry index. Weights Since January 1976, w eigh ts for the output indexes are the 1972 value o f shipm ents obtained from the Cen sus o f M anufactures, the C ensus o f Mineral Industries and data o f the U .S . Departm ent o f Agriculture. V alues include th ose for interplant transfers, goods p rocessed and consum ed in the sam e establishm ent, and goods sold for export. V alues o f im ported com m odities are not included. The difference in the scop e o f the w eights, as com pared with the W PI, stem s from the ob jective in this sy stem to m atch price data with the sco p e o f dom estic industry production. Each priced product actually represents a class o f com m od ities and is assigned its ow n w eight plus the w eights o f other products not directly priced in the index but w h o se prices are know n or assum ed to m ove similarly. V alues for unpriced products w hich cannot be assigned to a sp ecific priced com m odity are imputed to the average m ovem en t o f the product cla sses in which they fa ll.8 For u se in deflating industry shipm ents, the 4-digit (SIC) Industry In dexes are derived from 5-digit product class in d exes w eighted together by their shipm ents value for the particular industry, i.e ., the “ made-inthe-industry” value. Formula and Calculation A m odification o f the L aspeyres fixed-w eight for mula is used. The form ula is: Ii = [2 (Q aPo) (Pi/Po) I X QaPo] x 100 w here Ii is the current index value for a given grouping, Po is the price o f an individual product in the base year 1967, Pi is its price currently, and Qa is the quantity shipped during the w eight-base year 1972. Form erly, the w eight-base period w as 1963. In succeeding years, new w eights will be introduced w h en ever w eights are 8T his proced ure is the sam e as that em p loyed in the W P I. H o w ev er, as the p rodu ct c la s se s are d efin ed d ifferen tly, an unpriced com m od ity m ay h ave a different price m o vem en t im puted to it in the Industry In dex program than it has in the W PI. 125 revised for the com prehensive WPI. In actual practice, the calculation may be som ewhat more involved than indicated by the simple formula a b o v e. For exam p le, indexes used for deflating industry shipm ents values should em ploy product w eights based upon values o f com m odities made within the same in dustry. Since the C ensus data for such values are avail able only at the 5-digit (product class) level and not in greater detail, it is n ecessary first to construct product c la s s in d e x e s b a se d u p on to ta l o u tp u t w e ig h ts (wherever-m ade) which are available for detailed prod ucts. Then, using 5-digit m ade-in-the-industry w eights, the product class indexes are com bined to the 4-digit industry level. Analysis and Presentation The published indexes for selected 5-digit product classes and 4-digit industries con sist o f annual averages for the period 1957 through 1964, and cover 44 manufac turing and eight mineral industries. M onthly indexes are available beginning in January 1965 for the sam e limited number o f industries and products. Indexes for additional industries are intro duced as im proved sampling qualifies them for publica tion. B y January 1975, indexes were being published for 160 four-digit industries and 453 five-digit product classes. Uses and Limitations Price statistics organized along industrial lines have particular relevance to studies o f econom ic growth, p r o d u c tiv ity , and o th e r ty p e s o f in d u stria l and econom ic analysis w here the em phasis is on industrial structure rather than market or com m odity-use classifi cation. W hether a price index m eets a given specific need depends largely upon its com m odity coverage and its weighting structure. An important use o f an output index w eighted by gross shipm ent values is to deflate values in order to arrive at m easures o f output in con stant dollars. M ost m easures o f output and productivity rely primarily upon physical quantity data for the vari ous products o f an industry, but in cases w here quantity data are not available, deflated values can be used if suitable price indexes are available for use as deflators. D eflated value data may serve as a check on production indexes prepared from quantity data and unit-value w eights. There are many sectors o f the econom y for which the analysis o f industrial output is severely limited becau se appropriate price indexes are not available. The process o f deflation provides a m eans q f obtain ing an estim ate o f quantity change from data available on total dollar value and a price index. If the dollar values th em selves are divided by the price index, the BLS HANDBOOK OF METHODS 126 resulting dollar values express the sales value in terms o f constant dollar in the base period o f the index. Or an index o f dollar volum e can be divided by the price index to obtain a production in d ex .9 The output indexes also may be used for com paring price m ovem ents with other industry-based statistical m easures such as em ploym ent, earnings, productivity, etc. In lieu o f input in d exes, price indexes consistent with total shipm ents w eights can be useful for deflating industry inputs. For exam ple, the appropriate index for deflating the value o f aluminum purchased by an indus try w ould be the index w h ose com ponents represent shipm ents o f aluminum to buyers in this industry rather than the aggregate output o f the primary aluminum industry. Input price ind exes will be useful to research depart9It can be sh ow n that d ivision o f the valu e in d ex by the L asp eyres (b ase-y ea r-w eig h ted ) price in d ex yield s a produ ction index o f the P a a sch e (current-year-w eight) form . D iv isio n by the P aasche price in d ex , c o n v e rsely , y ield s a quantity ind ex o f the L asp ey res typ e. S ee chapter 31, O utput per E m p lo y ee H our M easu res: Industries and the Fed eral G overn m en t. m ents in private industry as well as to public agencies. They should be consistent in coverage with B LS series on average hourly earnings, another important elem ent o f cost. For contract escalation, they will give index users a wider ch oice o f indexes. A s previously indi cated, input price indexes are not available yet. The prices used in constructing the currently pub lished output indexes are th ose w hich are regularly collected on a monthly basis and used in the calculation o f the com prehensive W holesale Price Index. T hese prices generally are at the primary market level, but a few are at other levels. It must be assum ed that these price m ovem ents are similar to m ovem ents at the mar ket level o f sales represented by the Census data. To include interplant transfer values and values o f goods produced and consum ed in the same industry, it is necessary to assum e that price m ovem ents o f goods in com m ercial markets represent the price changes o f goods not sold in com m ercial markets. Until additional pricing can be done, industry indexes will be limited by the coverage— com m odity and class o f custom er— o f the W holesale Price Index. Technical References Number 1. Number On the Theory of Industrial Price Mea surement: Input Price Indexes, B ureau o f L abor S tatistics, A rch ibald, R ob ert B ., W orking Paper 48, M ay 1975. A paper w h ich con sid ers input price in d ex es, their proper ties and briefly the properties o f a sy stem o f input and output price in d ex es. 2. M o s s , B e n n e tt R ., “ In d u stry and S e c to r P rice I n d e x e s ,” Monthly Labor Review, A u gu st 1965, pp. 974-982. C on tain s price in d ex es for abou t 50 four-digit (Standard Industrial C lassification ) ind ustries, togeth er w ith a tech nical n ote on co n c ep ts, m eth od ology, and u ses. 3. N ation al B ureau o f E co n o m ic R esea rch , “ Input-O utput R ela tions and A p p ra isal,” Studies in Income and Wealth, vol. 18, N e w Y ork, 1955. A d escrip tio n o f sc o p e , u s e s , and sign ifican ce in eco n o m ic a n alysis o f the U .S . G overn m en t’s interindustry statistical stu dy o f 1947. 4 ________T he P rice S ta tistics o f the F ed eral G overn m en t, N e w Y ork, 1960. A n appraisal o f price statistics o f th e Federal G overnm ent by the P rice S tatistics R ev iew C om m ittee o f N B E R , coverin g u s e s , co n c ep ts, c o lle ctio n , p u blication, sam pling, and other a sp ects o f the C on su m er Price In d ex, W h olesale Price In d ex, In dex o f P rices Paid by F arm ers, and other price m easures. U .S . C on gress, Joint E co n o m ic C om m ittee. Government Price 5. Statistics, Hearings before the Subcommittee on Economic Statistics, Part I and Part II. W ash in gton, D .C ., J 9 6 1 . Part I rep resen ts the report, The Price Statistics of the Federal Government prepared by the N B E R (q .v .); Part II * 6. con tain s statem en ts o f private and govern m en t eco n o m ists including the resp on se by E w an C lague, form er C om m is sioner o f L abor S tatistics. U .S . D epartm ent o f C om m erce, Bureau o f E con om ic A n a ly sis, Interindustry E c o n o m ics D iv isio n , “ Input-O utput Structure o f the U .S . E con om y: 1967,” Survey of Current Business, February 1974, pp. 24-56. A p resen tation o f sum m ary data for 1967 in w h ich the 467 d etailed ind ustries are aggregated to 85 ind ustries, togeth er w ith a tech n ical n ote on co n c ep ts, m eth od ology, and u ses o f input-output an alysis. Chapter 16. Spot Market P rices B ackground A s early as January 1934, at the request o f the U .S . D epartm ent o f the T reasury, the Bureau o f Labor S ta tis t ic s b eg a n th e c o m p u ta tio n o f a d a ily com m odity price index, using quotations for sen si tiv e c o m m o d it ie s . It w a s r e le a s e d fir s t to th e general public in January 1940. In 1952, in con n ection with the revision o f all its major price index series, th e B u r ea u is s u e d a n e w D a ily In d e x o f S p o t M arket Prices. The new index w as not a continua tion o f th e old s e r ie s , but w a s b a sed on a n ew sam ple o f 22 com m odities and w as calculated on a 1 9 4 7 - 4 9 b a se ; in c o n tr a s t, th e o ld in d e x w a s based on 28 com m od ities and w as calculated with A ugust 1939 as base. In January 1962, th e 2 2 -c o m m o d ity in d ex w as recalcu la ted on a 1957—59 = 100 b ase to co rres pond to the b ase period adopted for other Federal G overn m en t gen eral p u rp ose in d ex e s. In January 1971, the in d ex w as reb ased again in a cco rd an ce with governm ent-w ide practice, this time to a 1967 = 100 b a s e . In 1969, c o m p u ta tio n o f th e in d e x on a daily basis w as discontinued. Since then the index h as b e e n p rep a re d fo r T u e s d a y o f e a c h w e e k . D e s c r ip tio n o f S u r v e y The Spot M arket Price Index is a m easure o f price m ovem en ts o f 22 sen sitive basic com m odities w h ose markets are presum ed to be am ong the first to be influ enced by changes in econ om ic conditions. A s such, it serves as on e early indicator o f im pending changes in busin ess activity. The com m odities used are in m ost cases either raw materials or products clo se to the initial production stage w hich, as a result o f daily trading in fairly large volum e o f standardized qualities, are particularly sen si tive to factors affecting current and future econom ic forces and conditions. H ighly fabricated com m odities are not included for tw o reasons: (1) they em body rela tively large fixed co sts w hich fact cau ses them to react less quickly to changes in market conditions; and (2) they are le ss important as price determ inants than the more basic com m odities w hich are used throughout the producing econom y. A s p o t price is a price at which a com m odity is selling for im m ediate delivery. In the absence o f a spot price, a b i d or an a s k e d price may be used. Som e o f the prices used are n o m i n a l prices in that they are not actual transaction prices. Often they are e x c h a n g e prices— a price for a co m p letely standard com m od ity w hich elim inates the effect o f minor quality changes on actual transaction p rices.1 Trade publications may use this type o f price for com m odities such as co co a beans, coffee, and w ool tops. The price for print cloth is an average o f spot price and price for m ost distant forward contract because it was determ ined that a large part o f the sales o f print cloth are made on a contract basis. The 22 com m od ities are com bined into an “ All C om m odities” grouping, with tw o major subdivisions: Raw Industrials, and Foodstuffs. Raw Industrials in clude burlap, copper scrap, cotton, hides, lead scrap, print cloth, rosin, rubber, steel scrap, tallow , tin, w ool top s, and zinc. Foodstuffs include butter, co co a beans, corn, cotton seed oil, h ogs, lard, steers, sugar, and wheat. The item s upon w hich the index is based are clas sified further into four smaller groups: M etals, Textiles and Fibers, L ivestock and Products, and Fats and Oils. H ow ever, som e o f the 22 com m odities do not fall into one o f th ese four groupings. For exam ple, sugar is not included in any special group. Furthermore, the group ings are riot mutually exclu sive. Lard, for instance, is in both the L ivestock and Products Index and in the Fats and Oils Index. D a ta S o u r c e s a n d C o lle c t io n M e t h o d s The prices used in the index are obtained from trade p u b lication s or from other G overn m ent a g en cies. Prices for c o c o a beans, corn, steers, sugar, wheat, bur lap, copper scrap, cotton, lead scrap, print cloth (spot), rubber, steel scrap, w ool tops, and zin c, are o f the sam e specification and market source as those used in the com prehensive m onthly W holesale Price In d ex .2 Prices for butter, hides, hogs, lard, rosin, tallow , and tin are either differently specified spot prices or from dif ferent markets. Exchanges which issue spot prices have committees to make a determination of the spot for the standard commodity. 2See chapter 14, Wholesale Prices. 127 BLS HANDBO O K OF METHODS 128 44 = L ogarithm ic con stan t w hich w hen divided by 22 equals log o f 100. S e le c tio n of P r o d u c ts The criteria for the selection o f com m odities w ere (1) w ide u se for further p rocessin g (basic), (2) freely traded in an open market, (3) sen sitive to changing conditions sig n ific a n t in th o s e m a rk ets, and (4) su ffic ien tly h o m og en eo u s or standardized so that uniform and representative price quotations can be obtained o ver a period o f tim e. Subject to th ese restrictions, efforts w ere made to include representative sen sitive com m odities from as large a segm ent o f the econ om y as possib le. A lso, the influence o f international m arkets upon the econom y w as taken into accoun t by the inclusion o f som e key com m od ities (such as crude rubber and tin) w hich are important in international trade. B oth in the sam ple and in the index structure, an attem pt w as m ade to prevent p r ic e m o v e m e n ts o f a g r ic u ltu r a l p r o d u c ts from dom inating the m ovem en t o f the index. E s t im a t in g P r o c e d u r e s The Spot Market Index is an unw eighted geom etric m ean3 o f the individual com m odity price relatives, i .e ., o f the ratios o f the current prices to the base period prices. T he u se o f the geom etric m ean has the advan tage that the index is not dom inated by extrem e price m o v e m e n ts o f in d iv id u a l c o m m o d itie s. S in ce e x trem ely large m o v em en ts m ay be a typ ical, it w as deem ed better to m inim ize their effects, even at the exp en se o f losing the effect o f large representative changes. H o w ev er, the fact that each o f the com m odities is unw eighted in the index m eans that a price change for rosin, a com paratively unimportant com m odity, has as much effect as an equal percentage m ovem en t in the price o f a very important com m odity such as w heat, cotton , or steel scrap. The com putation procedure involves obtaining for each com m odity the ratio o f its price in any given period to its price in the base period and taking the 22nd root o f the product o f th ese ratios. This product is then multi plied by 100 to obtain the index num ber for each period. T he calculation is made by m eans o f logarithm s. The form ula reduces to 2 L og P k - 2 log P 0 4- 44 w here I k = Index for a given day P k = Price for a given day P = A verage (geom etric) price in base period Q 3The geometric mean of n figures is the nth root of their product. Thus, the geometric mean of the numbers 1.5, 2.0, and 9.0 is 3.0 (1.5x2x9=27. 3/27=3). The arithmetic mean, is 4.2. M onthly average indexes are obtained according to the previous procedure, excep t t h a t/* = the geom etric average o f the T uesday prices (daily prices prior to 1969) over the month. In maintaining the index over tim e, it may be necessary to change com m odity specifi cation s or substitute entirely new products. T h ese changes are handled by a statistical linking procedure so that only actual price m ovem ents are reflected in the index. A n a ly s is a n d P r e s e n ta tio n Tuesday spot market indexes and prices are published each w eek , on the Friday follow ing the day o f refer en ce. A summary o f w eek ly indexes and the average for each month are published w ith the first w eek ly release o f the follow ing m onth. Beginning with 1950, historical indexes are show n for T uesday o f each w eek together with m onthly averages; from July 1946 through 1949 indexes are listed for T uesday o f each w eek only. In addition, in d exes are published for selected earlier dates: August 15, 1939, D ecem ber 6, 1941, A ugust 17, 1945, and June 28, 1946. U s e s a n d L im ita tio n s A survey o f users in 1964 show ed that the Index is frequently used as a general econom ic indicator, for gaging the direction o f basic prices, for forecasting gen eral price m ovem en ts, and for current prices o f specific commodities. Other uses, frequently mentioned, are for market research and for com paring price trends with the u ser’s selling or buying prices. The Tuesday Index o f Spot Market Prices differs from the W holesale Price Index in m ethod o f construction and w eighting, as w ell as in the sam ple o f item s for which prices are included. W hile it is independent o f the monthly com prehensive index, changes in the T uesday Index or its co m p on en ts m ay foresh adow turns in W holesale Price In dexes. H ow ever, the T uesday Index is not a good indicator o f current price trends for the w hole econom y. For this purpose, the com prehensive W holesale Price Index should be used. The T uesday Spot M arket Index is, by design, very sensitive to price changes in basic com m odities but, b ecau se o f its un w eighted structure, the magnitude o f changes in any o f the index groups cannot be used as a reliable m easure o f the general price change o f all com m odities within the groups. For many o f the 22 item s, the com m odity exchange prices are based upon transactions w hich cover as little as 25 percent o f the total sold in all m arkets. In som e SPOT M AR KET PRICES ca ses, the price is set by a com m ittee o f experts from the com m odity exchange for a standardized com m od ity. A lso, w hen there are not enough transactions from which to obtain an actual market price, a “ norm al” spot price is set. From this, it is apparent that the exchange prices may not alw ays be representative o f the large volum e o f private transactions occurring outside the organized market. H o w ev er, it is believed that the re ported exchange prices generally are used as the basis for private negotiations. C o m p o s i t i o n o f G r o u p in g I n d e x e s M Copper scrap, lead scrap, steel scrap, tin, e ta ls : and zinc. T e x tile s a n d F ib e r s : Burlap, cotton , print cloth, and w ool tops. L iv e s t o c k a n d P r o d u c t s : H id es, h ogs, lard, steers, and tallow . F a ts a n d O ils : B utter, co tto n seed oil, lard, and tal low . Specifications for Commodities Included in the Index as of October 1975 C o m m o d ity S p e c ific a tio n s M a rk e t Burlap ............10 oz., 40", ex-dock or ex-warehouse, New York. duty paid, per yd. Butter............. Grade A, 92 score, per lb...................... Chicago. Cocoa beans ....Accra, per lb....................................... New York. C o m m o d ity 129 S p e c ific a tio n s Copper scrap . ..No. 2 heavy copper and wire, refiners’ buying price, carload lots, delivered buyers' works, per lb. Corn.............. ..No. 2 yellow, per bu............................. Cotton .............Middling, 11/16”, per lb...................... Cottonseed oil ..Crude, valley,per lb............................. Hides............. .Cow, light native, packer 30/53 lbs., fleshed, packer to tanner, dealer, or exporter per lb., f.o.b. shipping point. Hogs ............. .U.S. No. 2’s and 3’s, 200=220 lbs., per 100 lb. Lard.............. .Prime Steam, in tanks, per lb.............. Lead scrap..... .Battery plates, smelters’ buying price, East, carload lots; delivered buyers’ works, per lb. Print cloth ..... .48”, 78x78 count, 4 yds./lb. spot and nearby, per yd. Print cloth .......48”, 78x78 count, 4 yds./lb., most distant contract, per yd. Rosin............. ..Gum, windowglass grade, carlots, per 100 lb. Rubber .............Crude, natural, No. 1 Ribbed Smoked Sheets, per lb. Steel scrap.......No. 1 heavy melting, (dealer), consumers’ buying price, including broker age, delivered, per gross ton. Steers ..............Choice, 900-1100 lbs., per 100 lb. Sugar ..............Raw, 96°, duty paid, per 100 lb. Tallow..............Packer's prime, inedible, per lb. Tin...................Grade A, spot delivery, per lb. Wheat..............No. 1 Dark Northern Spring, per bu. Wheat..............No. 1 Hard Winter Ord., per bu. Wool tops ..... ..Certificated spot price, nominal, per lb. Zinc .............. ..Slab, Prime Western, for prompt delivery, delivered, (f.o.b. New York equivalent), per lb. M a rk e t New York. Chicago. 10 markets. Memphis. Chicago. Omaha. Chicago. New York. New York. New York. New York. New York. Chicago. Omaha. New York. Chicago. New York. Minneapolis. Kansas City Boston. New York. Chapter 17. International Price Indexes B ackground The International Prices Program grew out o f a long standing need for accurate m easures o f price changes for U .S . im ports and exports. Som e countries, such as W est Germ any and Japan, have been producing such in d exes for m ore than 20 years. In the period im m ediately follow ing World War II, the Bureau o f Labor Statistics began a program to d evelop export and import price in d ex es. T he program advanced to the point w here hundreds o f prices had been collected from e x porters and im porters and test in d ex es calcu lated. H ow ev er, the program w as term inated in 1948 (along with others) b ecau se o f budget reductions. In 1961, a report on Federal Price S tatistics given to the Subcom m ittee on E con om ic Statistics o f the Joint E conom ic C om m ittee, by the N ational Bureau o f E con om ic R e search (N B E R ) su ggested responsbility for com pilation o f export and im port price in d exes be assigned to a Federal statistical agen cy, “ to obtain the attention and r e so u r c e s fo r th e s e in d e x e s th at w e b e lie v e are esse n tia l.” 1 A further study con d ucted by the N B E R outlined the feasibility and n ece ssity for such a p roject.2 In 1967, the B L S also began research on the feasibility o f develop ing export and im port price in d exes, and the first funding w as provided for producing such m easures in the budget for F Y 1970. E xport price in d exes w ere first published in 1971 and import price in d exes in 1973. D ata w ere collected annu ally for June o f each year until 1974 w hen collection and publication w as begun on a quarterly basis. The pro gram is still in its expansion phase w ith published c o v erage as o f S eptem ber 1975 accounting for 27 percent o f the 1974 value o f exp orts and 6 percent o f the 1974 value o f im ports. C overage is exp ected to ex c eed 60 percent by value o f both im ports and exports by 1978. Published categories are based on the nom enclature o f the Stan dard International Trade C lassification o f the U nited N a tio n s (S IT C ), w h ich is a p rod uct c la ssifica tio n sy ste m .3 1 U.S. Congress, Joint Economic Committee, Subcommittee on Economic Statistics, G o v e r n m e n t P r ic e S t a t i s t i c s , 87th Congress, First session, Part 1, January 24, 1961, p. 29. 2 Irving Kravis and Robert Lipsey, P r ic e C o m p e t i t i v e n e s s in W o r ld T r a d e , (New York: Columbia University Press for the N a tional Bureau of Economic Research, 1971). 3 United Nations Statistical Office, C o m m o d ity I n d e x e s f o r th e S t a n d a r d I n te r n a tio n a l T r a d e C la s s if ic a tio n , R e v i s e d , Statistical Pa pers, Series M , no. 38, Vol. I, II. (New York: United Nations, 1963). 130 Description of Survey The tw o ind exes being developed in this program will cover virtually all transactions in non military goods b etw een the U .S . and the rest o f the world. The export price index will provide a m easure o f price change for U .S . products sold to other countries. The import price index will provide a m easure o f price change for good s purchased from other countries by U .S . residents. C o n c e p ts . In addition to the goal o f providing a general index o f prices for U .S . exports and an index for U .S . im ports, there is another important goal: to develop indexes for detailed product categories. This goal is being met through the present publication program w herein quar terly price ind exes are published for num erous cate gories o f finished m anufactured goods both for exports and for im ports. T h ese categories are defined by the 4-and 5-digit level o f detail o f the SITC. The SITC is a product classification system used by num erous cou n tries, including the U .S ., to classify and publish the value o f their exports and imports. The calculation o f U .S . export and import price indexes by SITC category thus facilitates the com parison o f U .S . price trends and sectoral production with the exports and imports and price trends o f other countries. W hen sufficient co v erage is achieved at this level o f detail, higher level aggregate ind exes will be prepared, though indexes will not be prepared for SITC categories with small values o f trade. U n i v e r s e . The product universe o f the export price ind exes covers virtually all products sold by U .S . residents to foreign buyers. (R esidents in this instance has its national incom e account definition, and it in cludes corporations, b u sin esses, and individuals but d oes not require either U .S . ow nership or U .S . citizen ship.) The product u niverse o f the import price index covers all products purchased from abroad by U .S . residents. The universe in the case o f each o f these ind exes includes raw materials and agricultural prod u cts, sem i-finished m anufactures and finished man ufactures including both capital good s, such as electri cal m achinery, agricultural equipm ent, textile equip m ent, e tc ., and consum er good s such as refrigerators, appliances, electronic equipm ent, clothing, etc. Trans actions b etw een related parties and b etw een unrelated parties are priced in th ese ind exes. P r o d u c t IN T E R N A TIO N A L PRICE INDEXES Military goods are not priced in the indexes except to the exten t that som e products may be purchased on the open market for military use, e .g ., autom obiles, clo thing, non-specialized hardware, fuel, etc. A few items such as works o f art, ships, and so forth are not included because o f the difficulty o f obtaining time series for com parable products in their categories. The prices used in the construction o f these indexes are collected according to the specification m ethod. To the exten t p ossib le, they refer to prices at the U .S . border for exports and at both the foreign border and at the U .S. border for im ports. For nearly all products, the prices refer to transactions com pleted during the first 2 w eek s o f the third month o f each calendar quarter. If a firm had no transactions in a product during that 2-w eek period, prices for a transac tion up to 2 w eek s earlier or later may be used. E very effort is made to obtain actual transaction prices. R espondents are requested on the price re porting form s to indicate all d iscoun ts, allow ances, re bates, etc. applicable to the reported prices, so that the price used in the calculation o f the indexes is the actual p rice for w h ich the p rod u ct w as b ought or sold . R espondents are rem inded o f this requirem ent through a com bination o f personal v isits, telephone calls, cor respon d en ce and special enclosu res with the reporting form s. For the export price in d exes, the prefefred pricing basis is fas (free alongside ship) U .S . port o f exportation for specified term s and size o f shipm ent. In cases where firms report export prices fob (free on board) pro duction point, inform ation is collected which enables the Bureau to calculate a shipm ent co st to the specified port o f U .S . exportation. This inform ation includes lo cation o f product point and port o f exportation, size and w eight o f shipm ent, nam e o f carrier, and routing. For m ost finished m anufactures, respondents frequently report export prices on an fob factory basis. M any o f the export price in d exes are being published on this basis pending con version to fas basis. For imports tw o different prices are collected . The first is the import price fob at the foreign port o f exportation. This is con sisten t with the basis for valuation o f imports in the national accoun ts. The second is the import price cif (cost, insurance, and freight) at the U .S . port o f impor tation. The price on a c if basis con sists o f the foreign selling price plus the other co sts (insurance and freight) associated with bringing the product to the U .S . border. The import duty on the product, if any, is collected as a separate piece o f inform ation. Since a price index requires that the sam e item be priced from period to period, it is n ecessary to recog nize that products may be m odified or changed from time to tim e. Since changes in specifications or terms o f transaction constitute a change in the product being priced, an adjustm ent is made to com pensate for these The detailed sp ecifications collected for each changes. P r ic e s . 131 product include detailed descriptions o f the physical and functional characteristics o f the product, the terms o f transaction including number o f units bought or sold, discounts, credit term s, and packaging. Since the objec tive o f the price index is to provide a measure o f pure price change, changes in the product are linked into the index. The method used follow s the linking procedure o f the W holesale Price Index. (S ee chapter 14.) Average prices are not published or calculated be cause even within the narrowest category o f products, i.e ., 7-digit level o f detail, scop e is allowed for the products priced to vary among respondents in order to reflect the product m ost typical o f each respondent in that category. The classification system s used in the export and import price indexes are product classifica tion system s. For exports, products are classified ac cording to the 7-digit Schedule B classification system o f the U .S . Departm ent o f C om m erce as o f 1973.4 The Schedule B system (Statistical Classification o f D om es tic C om m odities Exported from the U .S .) provides ap proxim ately 4,000, 7-digit product cod es. For imports, products are classified according to the Tariff Schedule o f the U .S . Annotated (T SU SA ) as o f 1973.5 This is a 7-digit product classification system . At the 5-digit level the Tariff Schedule is determ ined by law and is the m eans whereby imported products are classified for duty purposes. T wo-digit statistical suffixes or annota tions may be added to each 5-digit Tariff Schedule num ber for statistical p urposes. T hese annotations provide a m ore detailed classification system for re cording the flow o f products imported into the U .S . A pproxim ately 8,000 o f the more than 10,000 T SU SA categories are used each year. Since the U .S . trade flow s are recorded in value terms for each 7-digit Schedule B and each 7-digit T S U S A category, value weights are thus provided for calculation o f the ind exes. The indexes w hich are published em ploy the nom en clature and classification o f the SITC. The SITC is made up o f 10 section s at the 1-digit level, 56 divisions at the 2-digit lev el, 177 groups at the 3-digit level, and 625 subgroups at the 4-digit level. Additional subsidiary cla sses are available raising to 1,312 the number o f “ basic item s” in the system . C oncordance schem es are used for classifying Schedule B categories or T SU SA c a te g o r ie s in to th e S I T C .6 T h e S c h e d u le B , the T S U S A , and the SITC are exhaustive so that no prodC la s s ific a tio n . 4 U.S. Bureau of the Census, Schedule B, S t a tis tic a l C la s s if ic a tio n o f D o m e S tic a n d F o r e ig n C o m m o d itie s E x p o r te d f r o m th e U n ite d S t a t e s , January 1, 1971 edition, and revisions, (U.S. Government Printing Office, Washington, D .C.) 5 U.S. Tariff Commission, T a r if f S c h e d u le s o f th e U n ite d S t a t e s A n n o ta te d , 1973 (U.S. Government Printing Office, Washington, D.C.) 6 U.S. Bureau of the Census, U .S . F o r e ig n T ra d e S ta t i s t i c s C la s s if ic a tio n s a n d C r o s s C la s s if ic a tio n s , 1970 and revisions, (U.S. Gov ernment Printing Office, Washington, D.C.) 132 BLS HANDBO O K OF METHODS uct will appear in more than on e place in export price indexes or import price in d exes calculated for SITC categories. Data Sources and Calculation Methods Price data used in the ind exes are collected by mail questionnaire and reporting is voluntary and con fidential. M ost prices are collected each quarter. In nearly all ca ses price data are collected directly from the exporter or the im porter, though in a few cases prices are obtained from brokers. Price reporting by firms is initiated in all cases by personal visit by a Bureau representative. A t the tim e o f the person al v isit, if the p ro sp ectiv e resp o n d en t’s cooperation is obtained, the reporting requirem ents are explained verbally and in writing, and the selection o f products is m ade for w hich the firm will report price inform ation. In m ost ca ses inform ation initially pro vided by a firm contains data for earlier periods. In these ca ses, the Bureau representative often m ust leave the reporting form s with the respondent so that past prices, sp ecification s, and d iscounts can be obtained by the firm from its records. Sub seq u en tly, current prices are co llected by mail. H o w ev er, teleph on e contact is main tained with the respondent, sp ecifically with the person at the firm w ho is responsible for providing the price inform ation each quarter. In addition, respondents are revisited periodically in order to review reporting prac tices and requirem ents and to review the sam ple o f products for w hich prices are being reported. Fre quently during th ese revisits som e products w hich had been reported are dropped from further reporting and new item s are added. Provision is also made on the form s used for the quarterly price reporting by mail for the respondent to discontinue reporting for products w hich have declined in im portance or to add products w hich have b ecom e significant. P r ic e s . T he price relatives are com bined using value w eights. In the ca se o f the export price index, average price relatives in each 7-digit Schedule B category are w eighted by the value o f exports in that category during the base period used in the calculation formula. F or the import price ind ex, price relatives are w eighted by the value o f im ports in each 7-digit T S U S A category during the base period. T he value data are com piled by the Bureau o f the C ensus for 7-digit categories from ship p ers’ exp ort declarations and im port entry docum ents and are available on m agnetic tape and in regularly printed publications. The publications are: W e ig h ts . Exports: U .S. Bureau of the Census, S c h e d u le B C o m m o d it y b y U .S . C o u n tr y , Report E x p o r ts FT-410, December of each year Imports: U .S. Bureau of the Census, C o n s u m p tio n a n d FT-246, Annual G e n e r a l U .S . Im p o rts Im p o r ts , f o r Report The export and import price indexes w hich have been calculated are based on judgm ent sam ples o f products, sp ecifications, and respondents. T he sam ple o f products is based on value criteria at the 7-digit level o f detail for exports and for im ports, as reported in s ta tis tic s o f U . S . tra d e. F or th e m o st part, th e categories selected for pricing are ch osen on the basis o f high value. Thus som e Schedule B numbers or T S U S A categories m ost likely will not be priced for a 4- or 5-digit index. The sam ple o f respondents is ch osen from industry directories and from information obtained in conversations with trade or industry associations and various governm ent agencies. The individual products w hich are priced by a given respondent are selected during the personal visit by a Bureau representative. The selection o f an item for pricing is based on the goal o f selecting a product (or products) within a narrow product category, the price m ovem ent o f which is typi cal for item s exported by that respondent in that prod uct category. The specifications provide a com plete description o f the item , its physical characteristics, its functions, and the term s o f the typical transaction in that product category. For exports, the specifications also include the class o f buyer and for imports they also include the country o f origin. This m ethod o f obtaining specifications m eans that within an index (at the 4- or 5-digit lev el or w ithin a 7-digit cla ssifica tio n ), the specifications priced for on e firm m ost likely will be different fcom the sp ecifications priced for another firm. The advantage o f this approach lies in the fact that prices collected on a specification basis are used in the ind exes and, at the sam e tim e, the products included in the index are m ost representative o f each firm ’s export or import transactions. This avoids the potential prob lem that a single national or regional specification may not accom odate product differences among firms and m ay be unrepresentative o f the bulk o f transactions in the product category for all firms. S a m p lin g . N o index is published in such a w ay as to reveal the nam e or price or price behavior o f any respondent. This requires that there be a minimum o f three respondents for each index. In m ost ca ses the number o f respon d en ts in ea ch p u b lish ed in d ex is larger than th is minimum. Probability sampling has been initiated for products and respondents. This procedure is used for nearly all o f the indexes new ly produced after June 1976. In addi tion, it will be used to replace the judgm ent sam ples in the p reviou sly published ind ex groups. E ventually probability sam pling will be used for all the ind exes in each SITC section. The sam ples are constructed from shippers’ export declarations and import entry docum ents filed with the Bureau o f C ensus. T hese form s contain the 7-digit product cod e, value and quantity o f the shipm ent, and the com pany name along with other inform ation. The first section covered is exports o f SITC -6, manufac- INTERNATIONAL PRICE INDEXES tured articles classified chiefly by material. The prod ucts in this section account for slightly over 15 percent o f the value o f U .S . exports and include such products as iron and steel, non-ferrous m etals, w ood , glass, tex tiles, paper, etc. The procedures used for d eveloping the sam ple o f export products and respondents for SITC-6 will be applied to d eveloping probability sam ples o f products and respondents for all other SITC section s. Products and respondents w ere selected using a sam ple design consisting o f four stages. The first stage involved the selection by B L S o f 253 o f the 827, 7-digit num bers in section s 6 3 - 6 9 o f Schedule B. The 827, 7-digit Schedule B num bers w ere first stratified in order to assure publishability at various 2-, 3-, 4-, and 7-digit levels. W ithin each stratum , a system atic sam ple w as selected , with probability o f selection proportionate to the 1973 dollar value o f each Schedule B number. The secon d stage o f sampling w as im plem ented by the Bureau o f the C ensus using their file o f shippers’ export declarations (S E D ’s). L ine item s pertaining to the 253 selected Schedule B num bers from all S E D ’s w ere sorted by S ch ed u le B num ber, and stratified within by the dollar value o f the shipm ent. Within each value stratum , a system atic, equal probability sam ple o f line item s w as selected . The B L S sum m arized this inform ation from around 12,000 S E D ’s by exporter and S chedule B number. At this stage there w ere approxim ately 4,000 separate ex porters, from w hich a sam ple o f 1,000 was drawn using sy stem a tic, p rob ab ility-p rop ortion ate-to-size, se le c tion. The m easure o f size for each exporter w as its maxim um probability, a num ber arrived at by con sider ing the im portance o f the portion o f the universe the exporter represents in each Schedule B number. In som e c a se s subsam pling w as undertaken to reduce re porter burden. Estimating Procedures u l a a n d C a l c u l a t i o n . The export and import price indexes are w eighted price relatives o f the L aspeyres type. The w eights are derived from U .S . export and import values resp ectively in the base year using the m ost detailed available product classification system s. W ithin e a c h w e ig h t c a t e g o r y , p r ic e r e la tiv e s are w eighted equally and then aggregated to the SITC in d ex level. F o r m w h ere: x = S I T C g r o u p fo r w h ic h in d e x is c a lc u la t e d 133 j = t h e w e i g h t c a t e g o r ie s w it h in x ( t h e y a r e t h e S c h e d u le B c a t e g o r ie s f o r e x p o r t s , a n d t h e T S U S A c a t e g o r ie s fo r im p o r t s ) i = p r o d u c t w it h in j n = n u m b e r o f p r ic e r e l a t iv e s w ith in j t = t im e Wj = s h a r e o f v a lu e o f j**1 c a t e g o r y in g r o u p x in t h e b a s e year P^/Pj0 = p r ic e r e la t iv e o f p r o d u c t i in y e a r t t o b a s e y e a r o . The value w eights are the dollar value o f exports or imports in each 7-digit category. E ach value weight includes the item s w hich are priced within the 7-digit category and also other item s which are not priced but w h ose price m ovem ents are assum ed to behave simi larly. N o t all w eight categories are included in each SITC group for which an index is published. Instead, a sam ple o f 7-digit categories represent all o f the 7-digit categories within the index group. W hen new 7-digit categories, i.e . w eights, are introduced into an index, the index including the new categories is linked to the earlier index. P e r i o d . The export and import price indexes are published with the reference period 1967 = 100, where possible. In num erous ca ses, h ow ever, price data do not extend back to 1967 so that more recent reference bases m ust be used. A s noted ab ove, h ow ever, for calculation purposes the w eight base is 1973. The in d exes are set equal to 100 in 1967 after calculation. B a s e Analyses and Presentation The export and import price ind exes are published in B L S press releases on a quarterly basis. The indexes are released 5 w eek s after the end o f the reference month. The in d exes, which are not seasonally adjusted, are published for 4- and 5-digit SITC categories and are show n both on an index level and in terms o f percent change. R evision s are published w hen they are made and are denoted in the press release with an “ r .” Uses and Limitations The ind exes published in this program are the only indexes o f prices related to the U .S . foreign trade sec tor. W hen the categories covered have been extended to encom pass all categories o f U .S . exports and imports, they will provide quarterly m easures o f the price trend o f U .S . products sold abroad and o f products imported to the U .S . from other countries. The series will enable analysts and policym akers to a ssess the effect o f export and import price changes on the U .S . econom y and its industrial sectors, as w ell as to analyze the effects o f price changes on the balance o f paym ents. The price m easures will provide a basis for calculating changes in 134 BLS HANDBOOK OF METHODS the volum e o f real exports and im ports in the aggregate and for product groups. T hey provide a basis for m ea suring changes in the prices o f U .S . products in relation to price trends o f com parable products o f other major industrial countries with w hich the U .S . com petes for m arkets. T e c h n ic a l R e f e r e n c e s Number 1. 2. Number C ream er, D . , “ S o m e R ecom m en d ation s for D ata Im provem ent in th e G N P A c c o u n ts ” a p r o g r ess rep ort in Statistical Reporter, O ffice o f M anagem en t and B u d get, W ash in gton, D . C. (January 1975) 5. In teragen cy C om m ittee on M easu rem en t o f Real O utput, Su b co m m ittee o n P rices, Report on Criteria for Choice of Unit Values or Wholesale Prices in Deflators, se e ap p en d ices (W ash in gton, D .C ., B ureau o f the B u d get, June 17, 1970, m im eographed) 6. 3. Irving K ravis and Robdrt E . L ip s e y , Price Competitiveness in World Trade (N e w Y ork: C olum b ia U n iv ersity P ress, for the N ation al B ureau o f E co n o m ic R esea rch , 1971) 4. Irving K ravis and R ob ert E . L ip se y , “ International P rices and Price P r o x ie s” in R u ggles, N . E . , et.al. The Role of the Com puter in Economic and Social Research in Latin America (N e w Y ork: N ation al B ureau o f E co n o m ic R esearch , 1974) 7. 8. Commodity Indexes for the Standard International Trade Classification, Revised, S tatis U n ited N a tio n s Statistical O ffice, tical P apers, S eries M , N o . 38, V ol. 1 (N e w York: U n ited N a tio n s, 1963) U .S . B ureau o f the C en su s, U.S. Exports-Schedule B Commod ity by Country, R eport F T 410, D e c. 1973 U .S . B ureau o f the C en su s, U.S. Imports for Consumption and General Imports, R eport F T 246, D e c . 1973 U .S . C o n g ress, Joint E con om ic C om m ittee Government Price Statistics: Hearings: Subcommittee on Economic Statistics, 9. 10. 8 7 th C o n g ress, ls t s e s s .,P a r t 1, J a n .2 4 ,1 9 6 1 ,5 2 6 ,p p .;P a r t2, M ay 1 - 5 , 1961 U .S . D epartm en t o f C om m erce, Statistical Classification of Domestic and Foreign Commodities Exported by the United States, Schedule B, 1971 U .S . T ariff C o m m issio n , Tariff Schedule of the United States Annotated, 1975 Wages and Industrial Relations Chapter 18. O ccupational Pay and Supplem entary Benefits Background The Bureau o f L abor S tatistics, for many d ecad es, has conducted studies o f w ages by occupation and in dustry, based upon em ployer records. The B ureau’s first such study, grow ing out o f a study by the U .S . Senate in 1891, resulted in a w age rate record extending back continuously to 1860. S ystem atic collection o f wage data by occupation and industry has continued since the turn o f the century; changes in coverage have been dictated mainly by governm ent requirem ents. A large survey program undertaken for the War Industries Board in 1919 produced occupational pay rates by in dustry and State, and (for som e industries) by city. B etw een 1934 and 1940, the selection o f industries studied w as determ ined largely by adm inistrative needs under the N ational R ecovery A ct, Public Contracts A ct, and the Fair Labor Standards A ct, with em phasis on nationw ide data for relatively low -w age industries. Survey activity shifted in the 1 9 4 0 -4 1 defense period to heavy industries essential to war production. Im plem entation o f wage stabilization policy during the war required a large-scale program o f occupational w age studies by industry and locality. The em phasis on data by locality has continued since 1945 within the fram ew ork o f industry studies generally designed to yield national and regional estim ates. In addition, the Bureau d evelop ed three new typ es o f surveys. Area w age su rveys, initiated in the late 1940’s, were designed to m eet the grow ing demand for pay data related to office clerical and manual jo b s that are com m on to a w id e variety o f m anufacturing and non manufacturing industries within m etropolitan areas. This survey program w as firmly established and tem porarily expanded for u se in the wage stabilization ef fort during the K orean em erg en cy . T he n eed for nationw ide estim ates o f w hite-collar pay in private in dustry for u se in appraising the Federal w hite-collar salary structure resulted in a survey design that would produce national averages, based on an area sam ple. Data for individual areas studied also serve the w age administration n eed s for other governm ent agencies. Prior to 1960, studies in a very few professions pro vided salary data. B eginning in that year, salary surveys have b een made on a nationw ide basis covering profes sional, adm inistrative, technical, and clerical job s in a broad spectrum o f industries. A verages for these jobs are used by the adm inistrative agencies directly con cerned with Federal pay matters. R ecognizing the increased interest in governm ental pay, and the fact that governm ent em ployees repre sented a large and grow ing segm ent o f the total work force, the Bureau began a series o f wage, and benefit studies in eight city governm ents during 1970. The series w as later expanded to include all cities having 500,000 inhabitants or more; this group included 26 cities in 1975. Description of Surveys Although differing in industrial, geographic, and o c cupational coverage, the four typ es o f surveys d e scribed form an integrated program o f occupational wage surveys based upon a com m on set o f administra tive form s, manual o f procedures, and com m on con cepts and definitions. Em ployer cooperation in surveys is on a voluntary basis. Confidential individual estab lish m e n t d ata c o m p ile d b y th e B u r e a u ’s fie ld econom ists are grouped in published reports in a man ner th a t w ill a v o id p o s s ib le d is c lo s u r e o f an establishm ent’s rates. E stablishm ents included in all surveys are classified by industry as defined in the 1967 ed itio n o f th e S t a n d a r d I n d u s t r i a l C l a s s i f i c a t i o n M a n u a l prepared by the U .S . O ffice o f Management and B u d g et.1 Survey reports identify the minimum size o f esta b lish m en t (m easured by total em ploym ent) studied. D efinitions for S t a n d a r d M e t r o p o l i t a n S t a t i s tic a l A r e a s are em ployed in all program s.2 I n d u s t r y w a g e s u r v e y s provide data for occupations selected to represent the full range o f activities per form ed by w orkers. Consideration also is given, in their selection , to the prevalence in the industry, definiteness and clarity o f d u ties, and im portance as reference points in collective bargaining. In addition to collecting straight-time first-shift rates (or hours and earnings for incentive workers) for indi vidual w orkers in the selected occupations, surveys in m ost industries also establish the w age frequency distribution for broad em ploym ent groups, i.e ., pro1 S e e app. B . 2 S e e app. C. 135 136 BLS HANDBOOK OF METHODS duction and related workers or nonsupervisory work ers. W eekly work schedules; shift operations and differ en tia ls; paid h olid ay and v a ca tio n p ra ctices; and health, insurance, and retirem ent benefits are included in the inform ation collected , along with the provisions made for other item s, applicable to certain industries. T h e s tu d ie s a ls o p r o v id e e s t im a te s o f lab orm anagem ent agreem ent co v era g e, proportions em ployed under incentive pay plans, and the extent to w hich establishm ents provide a single rate or range o f rates for individual job categories. Fifty manufacturing and 20 nonm anufacturing indus tries, accounting for about 22.5 million em p loyees, are surveyed on a regularly recurring basis. A majority are studied on a 5-year c y c le , but a number o f com para tively low -w age industries are on a 3-year cy cle. In addition, special w age surveys also are undertaken at the request o f others. N early all o f the manufacturing, utilities, and mining industries are studied on a nationw ide basis and esti m ates are provided also for regions and major areas o f concentration. Surveys in trade, finance, and service industries usually are limited to a number o f m etropoli tan areas. N ation w id e surveys generally d evelop sepa rate estim ates by size o f establishm ent, size o f com m unity, labor-m anagem ent agreem ent coverage, and type o f product or plant group. A r e a w a g e s u rv e y s provide data for occup ations com m on to a w ide variety o f industries in the areas surveyed. The 76 occupational categories studied in clude 29 office clerical; 17 electron ic data p rocessing, drafting, and industrial nurses; and 30 m aintenance, to o lro o m , p ow erp lan t, and cu sto d ia l and m aterial m ovem ent jo b s. T hus, they provide representation o f the range o f duties and responsibilities associated with w hite-collar, skilled m aintenance trades, and other “ indirect” manual jo b s. W eekly salaries reported for in d iv id u a ls in w h ite -c o lla r jo b s re la te to regular straight-time salaries that are paid for standard work w eek s. A verage hourly earnings for m aintenance and other manual job s relate to first-shift hourly rates. Industry d ivision s included are (1) manufacturing; (2) tra n sp o rta tio n , co m m u n ic a tio n , and oth er p ub lic utilities; (3) w h olesale trade; (4) retail trade; (5) finance, insurance, and real estate; and (6) selected service in d u stries. E sta b lish m en ts em p loyin g few er than 50 w orkers are exclu d ed — with a minimum o f 100 applying to manufacturing; transportation, com m unication,and other public utilities; and to retail trade in the 13 largest com m unities. In addition to the all-industry averages and distribu tions o f workers by earnings cla sses, separate data are provided for m anufacturing and nonm anufacturing in each area and, w herever p ossib le, for individual indus try d ivision s in the nonm anufacturing sector. Am ong the 70 Standard M etropolitan Statistical A reas in this annual su rvey program as o f 1976, separate data are provided for transportation, com m unication, and other public utilities in 68 areas; for retail trade in 32 areas; for w h olesale trade and finance, insurance, and real estate in 18 areas; and for the selected service industries in 20 large areas. In 31 o f the larger areas, wage data are presented separately for establishm ents that have 500 workers or more. Data on w eek ly work schedules; paid holiday and vacation practices; and health, insurance, and retire ment benefits are recorded separately for nonsupervis ory office workers and plant workers (nonoffice). Shift operations and differentials are collected for plant work ers in manufacturing. Data on minimum entrance rates for inexperienced office workers are collected in all in dustries. T hese item s are studied every 3 years in all areas. This survey program also has developed infor mation on profit-sharing plans, characteristics o f sick leave plans, wage paym ent system s, and other item s related to em ployee com pensation. Special area w age surveys have been conducted an nually since 1967 at the request o f the E m ploym ent Standards Adm inistration for use in administering the Service Contract A ct o f 1965. Cross-industry surveys provide inform ation on hourly earnings for 14 office occup ation s, 10 professional and technical jo b s, and 20 m aintenance, toolroom , powerplant, and custodial and material m ovem ent jo b s. The industrial scop e includes m anufacturing; transportation, com m unication, and other public utilities; w h olesale trade, retail trade; fi nance, insurance, and real estate, and selected service industries. E stab lish m en ts w ith few er than 50 em ployees are excluded from the scope o f these special area w age surveys. In addition to the cross-industry surveys, special in dustry studies are conducted for the E m ploym ent Stan dards Adm inistration. T hese studies provide informa tion on hourly earnings for 10 moving and storage jobs; 6 refuse hauling job s; 24 contract construction jobs; 7 laundry job s; and 6 food service job s. For both the cross-industry surveys and special industry studies, data on incidence o f paid holidays and vacation prac tices, and health, insurance, and retirem ent benefits are provided every 3 years. T h e N a t io n a l S u r v e y o f P r o f e s s io n a l, A d m in is tr a tiv e , T e c h n ic a l, a n d C le r ic a l P a y provides a fund o f broadly based inform ation on salary levels and distribu tions in private em ploym ent. The 72 occupation-w ork levels studied in 1975 were selected from the follow ing fields: A ccounting, legal services, personnel m anage m en t, en gin eerin g and ch em istry , buyin g, clerical supervisory, drafting, and clerical. D efinitions for th ese occupations provide for classification o f em p loyees ac cording to appropriate work levels (or classes). A l though reflecting duties and responsibilities in industry, the definitions w ere designed to be translatable to specific pay grades in the General Schedule applying to Federal C lassification A ct em ployees. This survey, thus, provides information in a form suitable for use in com paring the com pensation o f salaried em p loyees in OCCUPATIONAL PAY AND SUPPLEMENTARY BENEFITS the Federal civil service with pay in private industry. M onthly and annual average salaries are reported for all occupations. D ata relate to the standard salaries that w ere paid for standard work schedules i.e ., to the straight-time salary corresponding to the em p lo y ee’s normal w ork sc h ed u le , exclu d in g overtim e hours. N ationw ide salary distributions and averages are pre sented for men and w om en com bined. A verages also are presented for establishm ents in m etropolitan areas com bin ed and for esta b lish m en ts em p loyin g 2,500 workers or more. Industry division s included are: (1) manufacturing, (2) transportation, com m unication, electric, gas and sanitary serv ices, (3) w h olesale trade, (4) retail trade, (5) finance, insurance, and real estate, and (6) engineer ing and architectural serv ices, and com m ercially oper ated research, d evelop m en t, and testing laboratories. Lim ited to the N a tio n ’s m etropolitan areas for the years 1960 through 1964, the annual survey w as e x panded in 1965 to include nonm etropolitan counties. The minimum establishm ent size included in the survey is 250 workers in manufacturing and retail trade and 100 in th e o th e r in d u s tr ie s s tu d ie d . T h e m in im u m establishm ent size has been adjusted at various tim es since 1961. S in ce the survey sco p e is subject to change, users are directed to the S cop e and M ethod o f Survey appendix in the bulletins for a description o f current p ractice.3 M u n i c i p a l g o v e r n m e n t w a g e s u r v e y s provide data for occupation s com m on to m any m unicipal governm ents. The 50 occup ation s studied include 10 office clerical; 5 data processing; 13 m aintenance, custodial, and trades and labor; 6 public safety and correction; 2 sanitation; and 14 p rofession al, adm inistrative, and technical job s. To facilitate com parisons, the survey £ are designed to be as com parable as p ossib le to the Bureau’s area wage surveys o f private industry and to other related studies. A verage salaries relate to base salaries for a standard w orkw eek , plus longevity pay, reported on a m onthly basis. In addition to w age data, com prehensive infor m ation is provided on city pay plans and their admini stration, work practices, unionization, and health, insur ance, and retirem ent benefits o f municipal em p loyees. T o assist in making inter-city com parisons and com parisons with private industry and unions, the principal features o f the benefit plans are described in standard form ats. T h ese form ats are alm ost identical to those used in the B ureau’s D i g e s t o f H e a l t h a n d I n s u r a n c e P l a n s , 1974 E dition, and th e D i g e s t o f S e l e c t e d P e n s i o n P la n s , 1 9 7 3 E d it io n . . T he B ureau’s occupational w age surveys sum m arize a highly sp ecific w age m easure— the rate o f p ay, excluding prem ium pay for overtim e and for work on w eek en d s, h olid ays, and late shifts, for individual C o n c e p ts 3 T he term s “ in s c o p e ” or “ w ithin s c o p e ” are used throughout this chapter to refer to the co v erage o f the particular su rvey b ein g d e scribed. 137 workers. In the case o f workers paid under piecew ork or other types o f production incentive pay plans, an earned rate is com puted by dividing straight-time earn ings for a time period by corresponding hours worked. Production bonuses, com m ission s, and cost-of-living bonuses are counted as earnings. In general, bonuses that depend on factors other than the output o f the individual worker or group o f workers are excluded; exam ples o f such nonproduction paym ents are safety, attendance, year-end or Christmas b onu ses, and cash distributions under profit-sharing plans. U n less stated otherw ise, rates do not include tips or allow ances for the value o f m eals, room , uniform, etc. The earnings figures, thus, represent cash w ages (prior to deductions for social security, taxes, savings bonds, premium paym ents for group insurance, m eals, room or uniform s) after the exclu sion o f premium pay for over tim e, w eek en d, holiday, or late shift work. H ours show n for salaried occupations relate to stan dard w eek ly hours for which the em ployee receives his regular straight-time salary. Occupational classifications are defined in advance o f the survey. B ecau se o f the em phasis on interestab lishm ent and interarea com parabilty o f occupational content, the Bureau’s job descriptions may differ sig nificantly from th ose in use in individual establishm ents or th ose prepared for other purposes. The job descrip tions used for wage survey purposes are typically brief and usually more generalized than th ose used for other purposes. The primary objective o f the descriptions is to identify the essential elem ents o f skill, difficulty, and responsibility that establish the basic con cept o f the jo b .4 A lth o u g h w o rk a r r a n g e m e n ts in a n y o n e e s tablishm ent may not correspond p recisely to th ose de scribed, th ose workers m eeting the basic requirem ents established for the jo b are includ ed .5 In applying th ese job descriptions, the Bureau’s field representatives exclude working supervisors, appren tices, learners, beginners, trainees, handicapped work ers, part-tim e or tem porary w orkers, probationary workers u nless provision for their inclusion is specifi cally stated in the jo b description. 4 A n exam p le o f a jo b description: M A C H IN IS T , M A IN T E N A N C E P rod u ces rep lacem en t parts and n ew parts in m aking repairs o f m etal parts o f m ech anical equip m ent operated in an establishm ent. W ork in v o lv es most of thefollowing: interpreting written instructions and sp ecification s; planning and layin g ou t o f w ork; using a variety o f m a ch in ist’s han dtools and p recision m easuring instrum ents; setting up and operating standard m achine tools; shaping o f m etal parts to c lo s e toleran ces; m aking standard sh op com p u tation s relating to di m e n sio n s o f w ork , toolin g, fe e d s, and sp eed s o f m achining; k n o w l ed ge o f th e w orking properties o f the com m on m etals; selectin g standard m aterials, parts, and equip m ent required for this w ork; and fitting and assem b lin g parts in to m ech anical equip m ent. In general, the m ach in ist’s w ork norm ally requires a rounded training in m a ch in e-sh o p p ractice u sually acquired through a form al app renticeship or eq u ivalen t training and ex p erien ce. BLS HANDBOOK OF METHODS 138 Paid h olid ays, paid vacation s, and health, insurance, and retirem ent plans are treated statistically on the basis that th ese are applicable to all nonsupervisory plant or office workers if a majority o f such w orkers are eligible or can ex p ect eventually to qualify for the prac tices listed. D ata for health, insurance, and retirem ent plans are lim ited to th ose plans for w hich at least a part o f the co st is borne by the em ployer. This lim itation d oes not apply, h ow ever, to data for health, insurance, and retirem ent plans reported in the m unicipal govern m ent su rveys. Informal p rovisions are excluded. Survey Methods . C o n su lta tio n s are held w ith appropriate m anagem ent, labor, and G overnm ent representatives to obtain v iew s and recom m endations related to scop e, tim ing, selectio n , and definitions o f survey item s, and typ es o f tabulations. Particularly in planning surveys in specific industries, th ese d iscu ssio n s importantly sup plem ent com m en ts and su ggestion s received from the regional offices at the con clu sion o f the previous study. R eflecting its u se in evaluation o f Federal w hite-collar pay, the design o f the N ational Survey o f P rofessional, A dm inistrative, T echnical, and Clerical Pay w as d e velop ed in conjunction w ith the O ffice o f M anagem ent and B udget and the C ivil S ervice C om m ission. Changes in the survey sco p e, item coverage, and job definitions are initiated by th ese agencies. The industrial scop e o f each su rvey is identified in term s o f the c la ssifica tio n sy stem provided in the S t a n d a r d I n d u s t r i a l C l a s s i f i c a t i o n M a n u a l . The scop e may range from part o f a 4-digit cod e for an industry study to a uniform com bination o f broad industry divi sions and sp ecific industries for the area w age surveys or the salary survey o f p rofession al, adm inistrative, technical, and clerical jo b s. T he n eed s o f major users are a prim e co n sid e ra tio n in d esig n in g the m ulti purpose occupational studies. The minimum size o f establishm ent included in a survey is set at a point w here the p ossib le contribution o f the exclu d ed establishm ents is regarded as negligible for m ost o f the occup ation s surveyed. A nother practi cal reason for the adoption o f size lim itations is the difficulty encountered in classifying workers in small e s t a b lis h m e n t s w h e r e th e y d o n o t p erfo rm th e sp ecialized duties indicated in the jo b definitions. P la n n in g 5 In gen eral, w ork ers are included in a cla ssifica tio n if the du ties as d escrib ed are perform ed a m ajor part o f the tim e and the rem ainder is sp en t o n related d u ties requiring sim ilar or lesse r skill and resp on sibility. H o w e v er , in so m e jo b s , particularly o ffice and sk illed pro du ctio n -w o rk er ca teg o ries, w ork ers m ay regularly perform a com b i nation o f d u ties in v o lv in g m ore than on e occu p ation . U n le ss indi ca ted o th erw ise in the d escrip tion , in th ese situ ation s con sid eration for cla ssifica tio n p u rp o ses is g iven to th o se elem en ts o f the jo b w h ich are m o st im portant in determ ining its lev e l for p ay p u rp oses. T h u s, a w orker m eets the b a sic c o n c ep t o f the stenograph er classification if taking o f d ictation is a regular requirem ent o f the jo b e v e n though a m ajority o f tim e is sp en t on routine typing. C onsiderations in timing o f industry surveys include date o f expiration o f major labor-m anagem ent agree m ents, deferred w age adjustm ents, seasonality o f pro duction (e .g ., garm ents), and interests o f users. W her ever p ossib le, area w age surveys are timed to follow major wage settlem ents as w ell as to m eet the needs o f governm ent agencies engaged in w age administration as required by law. The typ es o f occupations studied and criteria used in their selection were identified in the description o f the various typ es o f surveys. The job list for each survey is selected to represent a reasonably com plete range o f ra tes in th e w a g e stru ctu re for th e em p lo y m e n t categories involved, i.e ., production and related work ers in a sp ecific manufacturing industry or nonsuper visory o ffice, m aintenance, material handling, and cu s todial workers in a m etropolitan area. The established hierarchy o f job rates to be found within establishm ents and industries perm its the u se o f pay data for such key or benchm ark job s for interpolating rates for other job s. T echnological d evelopm ents or user interests may dic tate changes in the job lists and definitions. N ew defini tions for job s usually are pretested in a variety o f estab lishm ents prior to their u se in a full-scale survey. Q u e s tio n n a ir e s . T w o basic schedules are used in ob taining data in all surveys. The first (B L S 2751 A) in cludes item s relating to products or services, em ploy m ent, shift operations and differentials, work schedule, overtim e prem ium s, paid holidays and vacations, in surance and retirem ent plans, union contract coverage, and other item s applicable to the establishm ent. The second (B L S 2753G) is used in recording occupation, sex , m ethod o f w age paym ent, hours (where needed), and pay rate or earnings for each worker studied. Sup plem entary form s are used to m eet particular needs. C o lle c tio n . Bureau field econom ists collect data by personal visit to each o f the sam ple establishm ents. Job functions and factors in the establishm ent are carefully com pared w ith th ose included in the Bureau job defini tions. The job matching may involve review o f records such as pay structure plans and organizational charts, com pany position descrip tion s, interview s with ap propriate officials, and, on o ccasion , observation o f job s within plants. A satisfactory com pletion o f job matching perm its acceptance o f com pany-prepared re ports where this procedure is preferred by the respon dent. G enerally, h ow ever, the field econom ist secures w age or salary rates (or hours and earnings, w hen needed) from payroll or other records and data on the selected em ployer practices and supplem entary b en e fits from com pany officials, com pany booklets, and labor-m anagem ent agreem ents. A rea w age surveys in all areas involve personal visits every third year w ith partial collection by mail or tele phone in the intervening years. E stablishm ents par- O CCUPATIO NAL PAY AN D SUPPLEMENTARY BENEFITS 139 BLS HANDBOOK OF METHODS BLS 2751A U.S. D E P A R T M E N T O F LA B O R Bureau of Labor S tatistic s (R e v . J u n e 1 9 7 3 ) Budget Bureau No. 44-R0338 Approval expires November 30, 1972 WAGE-SURVEY G EN ER A L ESTABLISHMENT INFORMATION Your report w ill be held in confidence 1. E S T A B L I S H M E N T I D E N T I F I C A T I O N A . S u rvey P a y ro ll P eriod P a y ro ll P eriod 19___ e s t a b l i s h m e n t S T R E E T A D D R E S S C O U N T Y , N A M E S T A T E A N D 1 9 __ n a m e C IT Y A N D T I T L E Z IP O F C O D E A U T H O R IZ IN G O F F I C I A L A R E A C O D E N A M E A N D - T E L E P H O N E T I T L E O F O F F I C I A L S U P P L Y IN G D A T A 19 — 1 9 ___ A D D R E S S O F O F F IC E B. C en tral O ffic e N AM E O F S T R E E T ( FRO M WHICH D A T A WAS Complete if clearance O B T A IN E D , | | IF D IF F E R E N T and/or data FRO M A B O V E N AM E C O M P A N Y A D D R E SS C IT Y , T E L E P H O N E j obtained from this source) | S T A T E A N D Z IP O F A U T H O R IZ IN G O F F I C I A L C O D E T IT L E 2. C U R R E N T P R O D U C T S O R S E R V IC E S A N D P R O C E S S E S A. P R O D U C T O R S E R V IC E A PPR O X IM A TE % ANNUAL VALUE P R O D U C T OR S E R V IC E A P P R O X IM A T E %A N N U A L VALUE B. S C O P E O F O P E R A T I O N S 1 9 ___ 1 9 ___ 3. O F F I C E U S E O N L Y S C H E D U L E NO. ID E N T . 1-5 6 -8 1 9 ____ 1 9 ____ AREA 9-11 R E G IO N STATE C ITY SI Z E S IC C O D E EST. SI Z E UN IO N W EIG H T 12 13-14 15 16 -1 9 20 21 22-24 SPE C IAL C H AR A C T E R IS T IC S (2) (1) 25-27 28-30 BLS HANDBO Q K OF METHODS 140 OCCUPATIONAL PAY AND SUPPLEMENTARY BENEFITS BLS 2751 A —Continued (Rev. June 1973) U.S. DEPARTMENT OF LABOR Bureau o f Labo r S ta tis tic s w. P A Y R O L L S U R V E Y P E R I O D S C H E D U L E NO. E S T A B L I S H M E N T 5* UNION CONTRACT COVERAGE No A . A re a m a jo r ity o f you r p ro d u c tio n w o rk e rs c o v e r e d by u n ion a g re e m e n ts ? 31 <□ B . A r e a m a jo r it y o f y o u r o f f i c e w o r k e r s c o v e r e d b y u n io n a g r e e m e n t s ? ____ 32 C . W ith w h a t u n io n s d o e s t h is e s t a b l i s h m e n t h a v e c o n t r a c t s ? ( G i v e nam e an d a f f ilia t io n b e lo w ,) ol Yes | C c D . W hat o c c u p a tio n a l g rou p s are c o v e r e d b y th e c o n tra c t? ( L i s t grou ps b e lo w o p p o s ite th e a p p ro p ria te u n io n ,) P ro d u ction W orkers: O ffic e W orkers: 6. ESTABLISHMENT EMPLOYMENT (APPROXIMATE) A . W h at is th e a p p r o x im a t e t o t a l e m p lo y m e n t * in th is e s t a b lis h m e n t ? B . H o w m a n y a r e n o n s u p e r v i s o r y p r o d u c t i o n ( p l a n t ) w o r k e r s ? ---------M e n ---------------------------------------------------------------------------------W om en ______________________________________________________________ C . N o n s u p e r v i s o r y o f f i c e w o r k e r s ? _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ :_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ M e n ________________________________________________________________ W om en______________________________________________________________ D . O t h e r e m p l o y e e s ( e x e c u t i v e , p r o f e s s i o n a l , s u p e r v i s o r y , e t c . ) ? ___ E. _________________________________________________ F . __________________________ I______________________ Includes salaried officers of corporations but does not include proprietors, members of unincorporated firms, pensioners, members of the armed forces carried on the payroll, or unpaid family workers. G . Rem arks OCCUPATIO NAL PAY AND SUPPLEMENTARY BENEFITS 141 BLS HANDBOOK OF METHODS M S 275 30 OCCUPATIONAL RATES Rov. 65 Payroll parted. Schodulo No.________________________________fat. Homo_____________________________________________________________________________Pago OCCUPATION A N D GRADE Occupational coda (D Sox (2 ) Mothod of Numbor of pay workors (3) (4 ) Hours (5 ) Salary, rato, or oarnings (6 ) Lino No. (7) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 (*> 142 BLS HANDBOOK OF METHODS ticipating in the mail collection receive a transcript o f the job matching and w age data obtained previously, together with the job definitions. The up-dated returns are scrutinized and questionable entries are checked with the respondent. Personal visits are made to estab lishm ents not responding to the mail or telephone re quest and to th ose reporting unusual changes from year-earlier data. The work o f all field econ om ists is checked for qual ity o f reporting, with particular attention directed to accuracy in job m atching. The revisits are made by supervisory and senior econ om ists. System atic tech nical audits o f the validity o f survey definitions, made by staff with sp ecialized training, also are maintained for the technically com plex nationw ide w hite-collar salary survey. S a m p li n g B efore the sam ple is selected , a suitable sampling “ fram e” m ust be located or d evelop ed . A sampling frame is a list o f establishm ents w hich fall within the designated scop e o f the survey. The frame is as clo se to a universe as p ossible but is often incom plete. B L S uses fram es primarily com piled from lists provided by reg u la to r y g o v e r n m e n ta l a g e n c ie s (p rim a rily S ta te unem ploym ent insurance agen cies). B ecau se th ese are som etim es incom plete, they are supplem ented by data from trade directories, trade association s, labor unions, and other sources. The survey design em ploys a high degree o f stratifica tion. E ach geographic-industry unit for w hich a sepa rate analysis is to be presented is sam pled indepen dently. W ithin th ese broad groupings, a finer stratifica tion by product (or other pertinent attributes) and size o f establishm ent is m ade. Stratification may be carried still further in certain industries: T extile m ills, for in stance, are classified on the basis o f integration, i.e ., w hether they spin on ly, w eave on ly, or do both. Such stratification is highly important if the occupational structure o f the variou s industry segm en ts differs w idely. The sam ple for each industry-area group is a proba bility sam ple, each establishm ent having a predeter mined chance o f selection. H o w ever, in order to secure m axim um accuracy at a fixed lev el o f co st (or a fixed level o f accuracy at minimum co st), the sampling frac tion used in the various strata ranges downward from all large establishm ents through progressively declining proportions o f the establishm ents in each smaller size group. This procedure follow s the principles o f op timum allocation w here the standard deviation o f the characteristic being estim ated is proportional to the average em ploym ent in the stratum. Thus, each sam pled stratum will be represented in the sam ple by a number o f establishm ents roughly proportionate to its share o f the total em ploym ent. Though this procedure may appear at first to yield a sam ple biased by the over-representation o f large firm s, the m ethod o f esti mation em ployed yields unbiased estim ates by the as signm ent o f proper w eights to the sampled establish m ents. In the event a sample establishm ent within scop e is uncooperative in supplying usable data, a substitute is assigned in the sam e in d u stry -lo ca tio n -size c la ss. (Since no clo se relation exists b etw een failure to par ticipate in th ese surveys and the item s being studied, little bias is introduced by this procedure.) The size o f the sample in a particular survey depends on the size o f the u niverse, the diversity o f occupations, and their distribution, the relative dispersion o f earn ings am ong estab lish m en ts, the distribution o f the establishm ents by size, and the degree o f accuracy re quired. E stim ates o f variance based on data from previ ous surveys are used in determining the size o f the sam ple needed. A s indicated earlier, area w age surveys are limited to selected m etropolitan areas. T hese areas, h ow ever, form a sam ple o f all such areas, and, w hen properly com bined (w eighted), yield estim ates o f the national and regional lev els. The sam ple o f areas is based on the selection o f one area from a stratum o f similar areas. The criteria o f stratification are region, type o f indus trial activity as m easured by percent o f manufacturing em p lo y m e n t, and m ajor in d u stries. E a ch area is selected with its probability o f selection proportionate to its nonagricultural em ploym ent. The largest m et ropolitan areas are self-representing, i.e ., each one form s a stratum by itself and is certain o f inclusion in the area sam ple. The present area sam ple contained about 70 percent o f all nonagricultural em ploym ent o f the m etropolitan area com plex o f the entire country in 1973. E s t im a t in g P r o c e d u r e s E stim a te d a v e r a g e e a r n in g s (h o u r ly , w e e k ly , m onthly, or annual) for an industry or an occupation are com puted as the arithmetic m ean o f the individual em p lo y e e’s earnings. T hey are not estim ated by dividing total payrolls by the total tim e w orked, since such in formation alm ost never is available on an occupational basis. All estim ates are derived from the sam ple data. The averages for occupations, as w ell as for industries, are w eighted averages o f individual earnings and not com puted on an establishm ent basis. The proportion o f em ployees affected by any fringe provision likew ise is estim ated from the sample; all plant and office workers in each establishm ent are considered to be covered by the predom inant benefit policy in effect, and the entire plant and office em ploym ent o f the establishm ent is separately classified accordingly. O CCUPATIONAL PAY AN D SUPPLEMENTARY BENEFITS A s m entioned previously, the use o f a variable sam pling ratio in different strata o f the population would result in biased estim ates if straight addition o f the data for the various establishm ents w ere m ade. Therefore, each establishm ent is assigned a w eight that is the in verse o f the sampling rate for the stratum from w hich it was selected — e .g ., if a third o f the establishm ents in o n e stra tu m are s e le c t e d , e a c h o f th e sa m p led establishm ents is given a w eight o f 3. To illustrate the u se o f w eigh ts, su pp ose the universe were 7 establishm ents, from w hich a sam ple o f 3 was selected . A ssum e that establishm ent A w as drawn from a cell, or stratum, in w hich on e o f the tw o establish m ents w as used in the sam ple. It therefore is given a w eight o f 2. E stablishm ent B , on the other hand, w as taken w ith certainty (or a probability o f 1) and is thus given a w eight o f 1. E stablishm ent C w as taken from the remaining group w here on e o f the four establishm ents w as used in the sam ple, and h en ce is given a w eight o f 4. The follow ing calculations are made in estim ating aver age earnings for a given occupation. W ork e rs in in s a m p le m e n ts e s t a b lis h a t s p e c ifie d ra te A n a ly s is a n d P r e s e n ta tio n E s tim a te s h o u r ly W e ig h t n u m b e r 2 1 C ................... ‘4 Estimated universe 40 30 20 10 in o f to ta l s tra tu m e a rn in g s A ................... B ................... $2.60 2.70 2.95 2.65 W o rk e rs 2x40 1x30 1x20 4x10 170 e a r n in g s 2x40x$2.60 lx30x 2.70 lx20x 2.95 4xl0x 2.65 $454.00 The estim ated average hourly earning is thus ——- ^ or $2.67. 170 A similar m ethod applies to any characteristic esti m ated from the sam ple. To estim ate the proportion o f em ployees in establishm ents granting paid vacations o f 2 w eek s after 2 years o f serv ice, for instance, the establishm ents are classified according to the length o f vacation granted after 2 years’ service, establishm ent w eights are applied to em ploym ent, as in the previous exam ple, and the proportion o f the estim ated em ploy m ent in the 2-w eek category o f the estim ated total em ploym ent then is com puted. U sin g the sam e three establishm ents as in the previous exam ple, this can be illustrated as follow s: E s ta b lis h m e n t W e ig h t A c tu a l to ta l W e ig h te d V a c a tio n e s t a b lis h m e n t e m p lo y - p r o v is io n s e m p lo y m e n t m e n t a fte r 2 y e a rs A ................... 2 100 B ................... 1 500 C ................... 4 75 Estimated universe................................... 200 500 300 1,000 1week. 2 weeks. 1week. T h u s , th e e s tim a te d p e r c e n ta g e o f w o r k e r s in establishm ents granting 2 w e e k s’ vacation after 2 years o f service is SOO - - o r 50 percent. 1,000 W hen a large establishm ent within survey scop e, for w hich no substitute ex ists, is unable to supply data, the d eficiency is alleviated by increasing the weight o f the m ost nearly similar units. Should any segm ent be af fected by a substantial am ount o f such noncooperation, the publication o f materials will be dim inished by om it ting separate presentation o f sectors seriously affected. W here a sam ple o f selected m etropolitan areas is used to represent the totality o f such areas, a second stage o f w eighting is used to expand the individual area totals to region and/or national estim ates. Since, as indicated in the description o f the sampling m ethod, each area represents a stratum o f similar areas, the total from each area is w eighted to the estim ated stratum totals by multiplying by the inverse o f the chance o f selection. This procedure provides the ratio o f nonagricultural em ploym ent in the stratum to that in the sam ple area (one in the case o f the large self-representing areas). Sum m ing all such estim ated stratum totals yields the earnings and em ploym ent totals for the region and the country as a w hole. o c c u p a tio n A v e ra g e E s ta b lis h m e n t 143 W here an industry survey is designed to yield esti m ates for selected States or areas, these are published separately as information becom es available from all sample firms in the State or area unit. Industry surveys limited to selected areas do not provide a basis for the exam inations o f pay lev els by size o f com m unity, size o f esta b lish m e n t, p ro d u ct, or la b or-m an agem en t agreem ent coverage that generally are included in bulle tin reports on nationw ide surveys. R egardless o f g eo graphic sco p e, industry survey reports record the inci dence o f incentive pay plans and, to the extent possible, average pay lev els separately for tim e and incentive workers. Individual bulletin reports on individual area w age surveys are supplem ented by tw o summary bulletins. The first com piles the results o f individual area surveys m ade during a year. The secon d contains inform a tion on occupational earnings, em ployer practices, and supplem entary w age benefits for all m etropolitan areas com bined and by industry division within the four broad cen su s regions. Percent increases, adjusted for changes in em ploy m ent, are com puted for broad occupational groups, e .g ., office clerical, electronic data processing, skilled m aintenance, and unskilled plant. T hese increases are com puted annually, separately for all industries, man ufacturing, and nonm anufacturing, for each metropoli tan area studied, for all m etropolitan areas com bined, and for four broad censu s regions. Area pay relatives for the four occupational categories are published an nually, permitting ready com parisons o f average pay levels am ong areas. E stim ates o f labor-managem ent BLS HANDBO O K OF METHODS 144 agreem ent coverage are also presented annually. O c c u p a tio n a l p ay r e la tio n s h ip s w ith in in d iv id u a l establishm ents are sum m arized periodically. Bulletins on the N ational Survey o f Professional, A dm inistrative, T echnical, and Clerical Pay present o ccu p a tio n a l averages and distribu tion s on an all industry basis, nationw ide and separately for all m et ropolitan areas com bined, and for establishm ents em ploying 2,500 w orkers or m ore. A verage pay lev els for industry divisions are show n as percentages o f the all industry averages. Y ear-to-year percent changes for occupation-w ork lev els and trend estim ates for occup a tions are reported. Industry w age, area w age, and municipal govern m ent w age survey reports are issued throughout the year as the surveys are com pleted. The bulletin on the N a tio n a l S u r v e y o f P r o fe ssio n a l, A d m in istra tiv e, T echnical, and Clerical Pay is available in D ecem ber. Sum m aries o f the data in the bulletins and special analyses appear also in the M o n t h l y L a b o r R e v i e w . U s e s a n d L im it a t io n s O ccupational w age data d evelop ed in th ese surveys have a variety o f u ses. T hey are used by Federal, State, and local agen cies in w age and salary administration and in the form ulation o f public policy on w ages, as in minimum w age legislation. T hey are o f value to Federal and State m ediation and conciliation services and to State unem ploym ent com pensation agencies in judging the suitability o f job offers. K now ledge o f lev els and trends o f pay rates by occup ation , industry, locality, and region is required in th e a n a ly sis o f cu rrent econom ic d evelop m en ts and in studies relating to w age dispersion and differentials. Bureau data are used in con n ection w ith private w age or salary determ inations by em ployers or through the collectiv e bargaining p rocess. T o the exten t that w ages are a factor, survey data also are considered by em ployers in the selection o f location for new facilities and in co st estim ating related to contract work. O ccupational w age survey programs are not designed to supply m echanical answ ers to q uestions o f pay pol icy. A s suggested earlier, lim itations are im posed in the selection and definition o f industries, o f geographic units for w hich estim ates are d evelop ed , o f occupations and associated item s studied, and in determ ination o f periodicity and timing o f particular su rveys. D epending upon his n eed s, the user may find it n ecessary to inter polate for occup ation s or areas m issing from the survey on the basis o f know ledge o f pay relationships. B ecau se o f interestablishm ent variation in the pro portion o f w orkers in the jo b s studied and in the general level o f pay, the survey averages do not n ecessarily reflect eith er the ab solu te or relative relationships found in th e majority o f establishm ents. To illustrate, em p loym en t in the sp ecia lized m aintenance crafts tends to be concentrated in the larger establishm ents, w h e r e a s e m p lo y m e n t is c u s to d ia l and m a teria l m ovem ent job s is distributed more w idely within an industry or area. Thus, to the extent that pay rates in the larger establishm ents vary from the average lev el, the skill differential m easure based on the survey averages will differ to som e degree from that obtainable within each o f the larger establishm ents. The incidence o f incentive m ethods o f paym ent may vary greatly among the occupations and establishm ents studied. Since hourly averages for incentive workers generally ex ceed th ose for hourly-rated workers in the sam e jo b , averages for som e incentive-paid job s may equal or ex ceed averages for jo b s positioned higher on a job evaluation basis but normally paid on a tim e basis. W herever p ossib le, data are show n separately for time workers and incentive workers in the industry surveys. Incentive plans (generally plant-wide in application) apply to only a very small proportion o f the workers in the indirect plant job s studied in the area w age program. Although year-to-year changes in averages for a job or job group primarily reflect general w age and salary changes or merit increases received by individuals, these averages also may be affected by changes in the labor force resulting from labor turnover, labor force expansions and reductions for other reasons, as w ell as changes in the proportion o f workers em ployed in e s tablishm ents with different pay levels. A labor force expansion might increase the proportion o f low er paid workers and thereby low er the average, or the closing o f a relatively high-paying establishm ent could cause average earnings in the area to drop. This problem has been overcom e for area wage sur vey s by holding establishm ent em ploym ents constant w hile com puting percent increases in earnings. That is, th e p r e v io u s and cu rren t y ea r ea rn in g s o f ea ch establishm ent are w eighted by that establishm en t’s previous year’s em ploym ent. An establishm ent w hich does not have workers or has not been sam pled in the previous year is not included in the calculation. R e l i a b i l i t y o f s u r v e y s . R esults o f the surveys gener ally will be subject to sampling error. This error will not be uniform, since, for m ost occupations, the dispersion o f earnings am ong establishm ents and frequency o f o c currence o f the occupation differ. In general, the sam ple is designed so that the chances are 9 out o f 10 that the published average d oes not differ by more than 5 percent from the average that would be obtained by enum eration o f all establishm ents in the universe. The sampling error o f the percentage o f workers re ceiving any given supplem entary benefit differs with the size o f the percentage. H ow ever, the error is such that rankings o f predom inant practices alm ost alw ays will appear in their true position. Small percentages may be subject to considerable error, but will alw ays remain in the sam e scale o f magnitude. For instance, OCCUPATIO NAL PAY AN D SUPPLEMENTARY BENEFITS the proportion o f em p loyees in establishm ents provid ing m ore than 5 w e e k s’ paid vacation to long-service em ployees m ay be given as 2 percent, when the true percentage for a l l establishm ents might be only 1 per cent. Such a sam pling error, w hile considerable, d oes not affect the essential inference that the practice is a rare one. E stim ates o f the num ber o f workers in a given o cc u pation are subject to considerable sampling error, due to the w ide variation am ong establishm ents in the pro portion of workers found in individual occupations. (It is not unusual to find th ese estim ates subject to sampling error o f as m uch as 20 percen t.) H en ce, the estim ated number o f workers can be interpreted only as a rough m easure o f the relative im portance o f various occup a tio n s . T h e g r e a te s t d e g r e e o f a c c u r a c y in th e s e em ploym ent cou n ts is for th o se occup ation s found principally in large establishm ents. This sampling error, h ow ever, d oes not m aterially affect the accuracy o f the average earnings show n for the occupations. The esti m ate o f average earnings is technically know n as a “ ratio e stim a te,’’ i.e ., it is the ratio o f total earnings { n o t payrolls) to total em ploym ent in the occupation. Since th ese tw o variables are highly correlated (i.e ., the er rors tend to be in the sam e direction), the sampling error T e c h n ic a l N um ber 1. 2. 3. 4. C o h en , S am u el E ., “ S tu d ies o f O ccup ation al W ages and Su p plem en tary B e n e fits .’’ M o n th ly L a b o r R e v ie w , M arch 1954 (pp. 2 9 2 - 297). A n earlier d escrip tion o f the m eth od s o f w age su rv ey s, sim ilar to the p resen t article. D o u ty , H . M ., “ S u rv ey M eth od s and W age C om p a riso n s.” L a b o r L a w J o u r n a l , April 1964 (pp. 2 2 2 -2 3 0 ). A d i s c u s s i o n o f the u s e s o f w a g e s u r v e y r e s u l t s , a n d the pitfalls to b e a v o id ed . A short d isc u ssio n o f the factors affect ing su rv ey m eth o d s is also inclu ded. H o u ff, Jam es N . , “ Im p roving A rea W age S u rvey In d e x e s .” M o n th ly L a b o r R e v ie w , January 1973 (pp. 5 2 - 5 7 ) . K an n in en , T o iv o P ., “ N e w D im en sio n s in B L S W age S u rvey W o r k .” M o n t h l y L a b o r R e v i e w , O c to b e r 1959 (p p . 1 0 8 1 -1 0 8 4 ). 145 o f the estim ate (average hourly earnings) is considera bly smaller than the sampling error o f either total earn ings or total em ploym ent. Since com pletely current and accurate information regarding establishm ent products and the creation of new establishm ents is not available, the universe from which the sam ple is drawn m ay be incom plete. Sample firms incorrectly classified are accounted for in the actual field w ork, and the universe estim ates are re vised accordingly. T hose firms w hich should have been included but were classified erroneously in other indus tries cannot be accounted for. Since som e m easure o f subjective judgm ent enters into the classification o f occupations and other charac teristics, there is som e reporting variability in the re sults. A repetition o f the survey in any establishm ent with different interview ers and respondents would un doubtedly produce slightly different results. H ow ever, w hen spread over a large number o f establishm ents the d ifferences, being random, w ould tend to balance out. H en ce, analyses based on a small number o f respon dents m ust be used with care, even when all eligible establishm ents are included. N o evid en ce o f any con sistent error has been uncovered. R e fe re n c e s N um ber 5. 6. A n outline o f the occu p ation al w age su rvey program s, as exp an d ed in fiscal 1960. L ists the typ e o f su rvey and c y c le for each o f 70 ind ustries stu died sep arately, and identifies the area sam p le as originally determ ined for the labor m arket su rvey program . T alb ot, D eborah B ., “ Im proved A rea W age S u rvey In d e x e s .” M o n th ly L a b o r R e v ie w , M ay 1975 (pp. 3 0 - 3 4 ) . A d iscu ssio n o f d ifferen ces in com puting A rea W age Sur v e y pay in creases by the m atch ed and unm atched sam ple tech n iq u es. W ard, V irginia L ., “ A rea Sam p le C h anges in the A rea W age Su rvey P rogram .” M o n th ly L a b o r R e v ie w , M ay 1975 (pp. 4 9 -5 0 ). A d e sc r ip tio n o f th e A rea W age S u rv e y program and ch an ges in the program ’s area sam p le. Chapter 19. B a c k g r o u n d a n d D e s c rip tio n Union W age Rates o f S u rv e y Annual studies o f union w age rates and hours are conducted in four industries: building construction, local transit, local trucking, and printing.1 A biennial study o f union w age rates for grocery store em ployees also is included in the program. U n ion wage rates and hours are th ose agreed on through co llectiv e bargaining b etw een em ployers and trade unions; they are defined as (1) the basic (minimum) w age rates (excluding holi day, vacation, or other benefit paym ents regularly made or credited to the worker each pay period) and (2) the m axim um num ber o f hours per w eek at straight-time rates. R ates in e x c e s s o f the n egotiated m inimum, w hich m ay be paid for special qualifications or other reason s, are exclu d ed . The u se o f union agreem ents or other union records in studies o f occupational w ages is practicable in indus tries that are characterized by a high degree o f organiza tion and in w hich (1) defined craft groupings persist, as in building construction or printing, or (2) key occupa tions can be clearly d elineated, as in local transit. The B ureau’s annual union w age studies began in 1907. Since that tim e, the num ber o f cities studied has varied greatly. B eginning with the 1976 survey the sam ple w as selected on a probability basis, consisting o f 66 citie s2 w ith 100,000 inhabitants or m ore, according to the 1970 C ensus. T he scop e o f the inform ation for indi vidual industries has also been changed. For exam ple, 24 journeym en crafts and 9 helper and laborer classifi cation s in the building trades are covered currently, in place o f the 13 journeym en and 7 helper and laborer classification s in the initial studies. The study o f union w age rates and hours in the build ing trades includes virtually all jou rn eym en and helper and laborer classification s. In dexes and other data are show n for each important trade as w ell as for all trades com b in ed .3 B eginning in July o f 1972, the study w as !T he co v era g e at variou s tim es a lso inclu ded barbers, lin em en, lo n g sh o rem en , and w ork ers em p loyed in b rew eries, laundries, m etal trad es, m illw ork, resta u ran ts, soft-drink produ ction, th eaters, and b ak eries. 2In th ese stu d ies, data relate to individual c ities and con tigu ou s suburban area s, rather than to the m uch broader Standard M etrop oli tan Statistical A reas w h ich are u sed in m ost other Bureau su rveys. 3In add ition to the annual stu d ies in the building trades, a quarterly su rv ey o f 7 m ajor co n stru ction trades is con d u cted in 121 cities. E stim ated average hou rly w age rates for all trades com bined and for ea ch su rv ey ed trade are p resen ted , togeth er w ith the estim ated change during the quarter and the year. 146 expanded to workers in five o f the trades com m only found on highw ay, street, and other heavy construction p ro jects-ca rp en ters, cem ent finishers, operating en gineers, structural-iron w orkers, and laborers. W age data and other contract provisions are published by city for each o f the five trades, although this information is not currently included in the calculation o f any indexes or averages d eveloped. The trucking study em braces drivers and helpers en gaged in local trucking. Over-the-road drivers and local city drivers paid on a m ileage or com m ission basis are excluded. All data, including ind exes, are presented for the tw o major classifications o f drivers and riding help ers. U nion w ages and hours in the local-transit industry are lim ited to operating em p loyees. Data are show n separately for operators o f surface cars and b uses, and elevated and subw ay lines, excep t that indexes are show n only for the industry as a w hole. In the printing industry, 15 book and job trades, 8 new spaper trades and 6 lithography trades are studied, and for the new spaper trades, separate data are show n for day and nightwork. Indexes and other data are pre sented separately, by type o f printing, for each trade and for all trades com bined. In 1971, a biennial study o f w age rates and hours in grocery stores w as inaugurated. Data are show n sepa rately for 15 occupational classification s, including cashiers, grocery clerks, meat departm ent w orkers, dairy clerks, produce clerks, and stockers. D a ta S o u rc e s a n d C o lle c tio n M e th o d s The union w age studies are designed to include all local unions in the covered industries in the selected cities. Periodic ch ecks are made with central labor unions, district cou n cils, and other authoritative bodies to identify new local unions that should be included in the studies. Information is collected by mail from local unions and when n ecessary from international unions and re gional union organizations. Personal visits are made to unions that do not respond to the mail questionnaire. B efore 1947, all data relative to union w age studies w ere co llected directly from local union officials (generally the secretaries or busin ess agents) by Bureau represen tatives and entered on form s designed specifically for this purpose. U N IO N WAGE RATES Inform ation requested relates to the first workday in July for all industries. This date w as adopted, after num erous changes, becau se m ost n ew agreem ents in these industries have been negotiated by that time each year. In order to maintain year-to-year com parability, wage rate, hours, and m em bership data for the previous year are transcribed onto the form s before they are sent out. U nion officials are requested to ch eck the previous year’s data and revise any figures w hich may have been incorrectly reported, and to insert current data. C opies o f union agreem ents also are requested from union offi cials for the purpose o f (1) checking the data entered on the sch ed u les with the terms o f the agreem ents, and (2) building up the files o f union agreem ents maintained by the Bureau o f Labor S ta tistics.4 T he reporting form used for the building trades survey is reproduced on pages 1 4 9 -5 2 . S a m p lin g a n d E s tim a tin g P ro c e d u re s The current series is designed to reflect union wage rates and hours in all cities o f 100,000 inhabitants or more. All cities o f 500,000 inhabitants or more are in cluded, as are m ost cities in the 250,000 to 500,000 group. T he citie s in the 100,000 to 250,000 group selected for study are distributed w id ely throughout the U nited S tates. Data for som e o f the cities included in the study are w eighted to com pensate for cities not surveyed. To provide appropriate representation in the com bination o f data, each region is considered sepa rately w hen city w eights are assigned. Rates An overall average hourly rate is com puted for each o f the industries included in the union w age studies. In addition, averages are presented by occupation for grocery store em ployees; by industry branch, trade, city, and region in building construction and printing; and by occupation, city , and region, in local transit and local trucking. A verage union rates are calculated by w eighting each q u o ta tio n fo r th e c u rr en t y e a r b y th e r e p o r ted m em bership.5 T hese averages are lev els designed to provide com parisons am ong trades and cities at a given time. T hey do not m easure the trend o f union rates, the function served by the index series. Indexes Chain ind exes are calculated for all o f the industries except grocery stores, to portray the trend o f union wage 4S e e chapter 28, “ C o llectiv e Bargaining A g r ee m e n ts.” 5R eported m em bership, as u sed in this stu d y, is defined as m em bers w orking or im m ed iately available for w ork. 147 rates and w eekly hours. In calculating these indexes, the percent change in aggregates is com puted from quotations for all identical classifications in the industry for 2 su ccessiv e years. To obtain the aggregates, the rates and hours for both the previous and current years are w eighted by the m em bership in the particular clas sification for the current year. The index for the current year is com puted by multiplying the index for the pre ceding year by the ratio o f the aggregate change. For exam ple, in the 1974 study o f building trades, the rate aggregate for all quotations increased 7.8 percent over the previous year. The July 1, 1974, index o f union hourly w age rates for all building trades (173.4) is the result o f m ultiplying the July 1, 1973, index (160.8) by the ratio o f the aggregates (1.078). This m ethod o f index calculation m inim izes the influence o f year-to-year changes in m em bership. Indexes o f union hourly w age rates and w eekly hours are com puted for each classification as w ell as for all classifications com bined in the building construction, local trucking, and printing industries. In the local transit industry an index is provided only for all classifi cations com bined. Irregular hours o f work for operating em p loyees in many o f the covered cities prevent the com putation o f an index for union w eek ly hours in the local transit industry. An index series for all grocery store workers will be d evelop ed upon the accum ulation o f sufficient trend data. The base period for the indexes o f union wage rates and w eek ly hours is the 1967 average. The series for the building trades and printing industry date back to 1907, for local transit to 1929, and for local trucking to 1936. Although data for the latter tw o industries were co l lected for years before the dates o f the index series, indexes w ere not constructed becau se o f inadequacies in the available data. A n a ly s is a n d P re s e n ta tio n The averages and ind exes m entioned together with other summary data are contained in the bulletins pub lished annually for the building trades, printing, local transit, and local trucking studies. Included among the information show n for individual trade classifications is the proportion o f union m em bers having hourly rates at different lev els, as w ell as the proportion o f union m em bers having, since the previous study, w age rate increases o f specified am ounts in terms o f cents per hour and percent. The increase registered by the trade is show n also. The biennial grocery store bulletin pre sen ts average w age rates and increases since the previ ous survey for all cities o f 100,000 inhabitants or more; a distribution o f union m em bers by hourly occupational w age rate; and intercity com parisons o f wage rates by occupation. In addition, the union rates o f w ages and hours in effect on the date o f the survey, as reported by union BLS HANDBO O K OF METHODS 148 officials, for both the previous and current years are published for each classification by city. T hese furnish a direct com parison o f union rates b etw een the 2 years for each o f the industries studied. The rates o f w ages are indicated as hourly rates and the hours as the w eek ly hours o f work before overtim e rates are applicable. The current studies also present data on em ployer paym ents for insurance (health and w elfare) and pension pay m ents; in addition em ployer p aym ents for vacation and other funds (excep t th ose for apprenticeship) are show n for the building trades. T h ese paym ents are exp ressed in term s o f cents per hour or as percent o f rate. U s e s a n d L im ita tio n s The B ureau’s union w age series provide a m eans o f determ ining intercity w age d ifferen ces for com parable w ork, and the relationships b etw een rates applicable to w orkers in occu p ation s requiring varying degrees o f skill. T he data are u sed in w age n egotiations by both m anagem ent and labor. The w age rates o f buildingtrades w orkers are esp ecially important in estim ating construction c o sts, b ecau se labor expenditures con sti tute an important elem ent in the total co st o f building con stru ction . T he in d ex series derived from th ese studies provide barom eters o f year-to-year changes in rates o f w ages and hours in the industries covered. A verage union rates provide com parisons o f w age rates among industries, trades, and cities at a given time. U nlike the in d exes, they are not an accurate m easurem ent o f year-to-year changes becau se o f flu c tuations in m em bership and other factors. M em bership figures for the various trades or classifications do not remain constant and changes may have a marked effect on average rates. For exam ple, if organizational drives in cities having relatively low er rates o f w ages result in sharp increases in m em bership, the m ovem ent o f the rate lev els for the affected trades as a w hole is naturally retarded. C on versely, increases in m em bership in cities having high w age rates accelerate the upward m ove m ent o f averages.6 The union rates are not n ecessarily the actual rates paid to all w orkers, and the union hgurs are not n ece s sarily the hours actually worked. W orkers with above average exp erience and skill may be em ployed at rates above the union w age rates, esp ecially during prosper ous tim es w hen a tight job market creates com petitive bidding for the better w orkers. During periods o f d e pressed busin ess activity, actual hours worked often are less than hours specified in the union agreem ent. M e m b e r sh ip (u sed for w eigh tin g pu rp oses) relates on ly to a ctiv e m em b ers in the c ity and co n tigu ou s suburban areas. It d o e s n ot reflect the total ju risd iction o f local u n io n s, w h ich m ay exten d b eyon d th ese lim its, and it d o e s n ot n ecessa rily reflect m etropolitan area rates. 149 UN IO N WAGE RATES Bureau of Labor Statistics Union Wage Rates and Hours in the Building Trades U.S. Department of Labor O.M.B. No. 44-R0738 Approval expires: 3/31/78 r n L J Dear Union Official: The Bureau of Labor Statistics is now conducting its annual survey of union wage rates and hours in the building trades. The continued success of these surveys, begun in 1907, depends largely upon your cooperation. Please complete the attached questionnaire and return it along with a copy of your current agreement in the enclosed, postage-paid envelope. Please return the questionnaire within two weeks, if possible. Thank you very much for your cooperation. Very truly yours, Regional Commissioner for the Bureau of Labor Statistics PART A. CONTRACT IN FORMATION Start card [ aT ] I. Agreement Dates (Enter date as follows: July 2,1976, should read 07 | 02 | 7 6 j Mo. A. On what date did your agreement go into effect? Day Yr. .............................................. B. On what date was the agreement ratified or approved by the union membership? C. On what date does the current contract expire? D. Does the agreement have a reopening clause? ................................................. Yes C D ................................................... End card BLS 1150.1 (Rev. Mar. 1976) No l _I 2 1 ^ | A8 | 150 BLS HANDBO O K OF METHODS 2 FOR THE FOLLOWING QUESTIONS, REPORT INFORMATION WHICH IS IN EFFECT ON THE FIRST WORKDAY IN JULY OF THIS YEAR. (Do not include retroactive increases, occurring when contracts approved after July 1 provide increases effective back through the first workday in July or before.)__________________________________________________________________________ II. Benefits REPORTING INSTRUCTIONS The Benefits information you reported last year is shown on the upper portion of the enclosed Part B form. Please correct last year's information, where necessary, by lining out any incorrect data and writing the correction directly above it in the same box. (NOTE: If the rates shown do not agree with what you reported last year, we may have adjusted the data you reported to eliminate retroactive increases. In that case, do not correct the rates.) For each benefit listed below complete columns B through E as follows: Column B — Check yes or no, to indicate whether your contract provides for an employer contribution for this benefit. If no, skip to the next benefit. If yes, complete the line as follows: Column C — Enter the percent and/or dollar amount contributed. Include cost-of-living adjustments if they are made as payments to a specified fringe benefit. (For Insurance, report contributions for unmarried employees.) (a) Percent — Enter contribution to the nearest hundredth of a percent (fo r 10%%, en ter 10.25; fo r 9%, enter 9 .0 0 ). (b) Dollars/Cents — Enter amount contributed to the nearest tenth of a cent (fo r one dollar, enter $ 1 ,0 0 0 ; fo r 72% cents, enter $ .7 2 5 ). (c) If the agreement does not specify the amount of contribution, leave columns (a) and (b) blank, and enter a check in column (c). Column D — If you report an hourly contribution, leave this space blank. If you report other than hourly, enter one of the following codes to indicate the unit of time covered by this contribution: D = Per shift (daily); W = Weekly; M = Monthly; A = Annually; B = Biweekly; S = Semi-monthly Column E — Check one box. C o l. A C ode N am e o f b e n e fit Start card C o l. E C o l. B C o l. C C o l. D Is this H o w m uch does th e e m p lo y e r c o n trib u te foi r each M e th o d H o w is th is c<> n trib u tio n m ade? benefii t em p loyee? o f pay C heck o n e. pro vid ed? a n d /o r .v.v. 01 In su ra n c e * 02 Pension 03 V a c a tio n 04 H o lid a ys 05 S u p p le m e n ta ry U n e m 06 Savings Funds 07 E d u c a tio n and 08 Jo u rn e y m an 98 O th e r p lo y m e n t B enefits P ro m o tio n T ra in in g * Yes No 1 2 ■ r H Percent D ollars /c e n ts (a) (b) ................... I ’’ ” ..1 1 7 + 2 0 } % $ % $ % $ % $ % $ % $ % $ % $ % $ C o n tra c t Paid to a In cluded Paid to does n o t fu n d in in w age w o rk e rs in specify a d d itio n to rate a d d itio n to am ount of w age rate rep o rted w age rate c o n trib u tio n rep orted on P art B (c) on P art B . L. M H • 1 - -I i Includes such items as life insurance, hospitalization, medical, surgical, dental, and other similar types of health and welfare programs. End card rep orted on P art B A3 UNION WAGE RATES 151 3 BLS HANDBOOK OF METHODS 152 4 Instructions for Completion of Part B R ep ort wage rate in fo rm a tio n which is in e ffe c t on the firs t w orkday in Ju ly o f this year. (D o n o t include retroactive increases, occurring when contracts approved a fte r J u ly 1 provide increases effective back through the firs t w orkday in J u ly o r b e fo reJ Corrections to Last Year's Data. The information you reported last year is shown on the enclosed part B form. If you find any errors in last year's wage rate information, please use the following procedure to correct the data: 1. Line out the error and write the correction directly above it in the same box. 2. Enter the letter C in the last space on the line, in the column labelled "Action Code." NOTE: If the rates shown do not iagree with what you reported last year, we may have adjusted the data you reported to eliminate retroactive increases. In that case, do not correct the rates. Reporting Current Year's Data. Please enter the current year's data on the line marked "current year" on part B, in the spaces directly below last year's. 'For each occupation listed, report the information described below, under the identifying columns. (Do not report for any occupation other than those listed.) If the current year's data is the same as last year's for any item (wage rate, hours, membership), enter a check mark ( J ) in that space instead of repeating the data. Wage Rate in Effect July 1 — Report the minimum or basic straight-time wage rata in effect the first workday in July of this year. Include cost-ofliving adjustments. Enter the amount to the nearest tenth of a cent. (For $10.50, enter $10,500; for $9.75%, enter $9,758.) Number of Weekly Hours — Report the maximum number of hours which can be worked each week at straight-time rates. Enter the number of hours to two decimal places. (For 37% hours, enter 37.50.) Number of Union Members — Enter the number of workers available to work at each rate. If a worker is eligible to work at more than one occupation, report that worker only once, in the primary occupation. Exclude apprentices. Method of Pay — If you report an hourly rate, leave this space blank. If you report other than hourly, enter one of the following codes: D * Per shift (daily) W - Weekly M = Monthly A * Annually B = Biweekly S = Semi-monthly Have you included cost-of-living adjustments in the wage rates reported? 1 □ Yes 2 □ No 3 □ No contract provision for cost-of-living adjustments End card Please return the completed form with a copy of the union contract, if available, in the accompanying postage paid envelope. If you have only one copy of the contract available, we will be glad to make a duplicate and return the original promptly. Official Supplying Information Title Name State City Address: Street Home Telephone No.: Office Area code ( ) Area code ( ) ZIP code UNION WAGE RATES U.S. DEPARTMENT OF LABOR Bureau o f Labor Statistics Ind. City 153 PART B Sch. No. Page UN IO N W AGE RA TES A N D H O U RS Union (1 -9 ) Year (10-11) (12-13) (14-17) (18-23) •o ^ o « £ 4. V <4s ° (24) ■§& •c 04 (25-28) (29-34) S ° (35) (36-39) (40-45) •a ^ o £ v <<-. S o (46) £ Method ® of Pay Employer Contributions for Selected Benefits: j15 a,* (47-50) (51-56) s ° ( 57) (58-61) (62-67) 8v f80> A3 Trade or Occupation Year Wage Rate in Effect July 1 (17-18) (19-23) (orfirst workday inJuly) Number o f Union Members at Each Reported Rate Number o f Weekly Hours Before Overtime Pay (24-27) iH (33) (28-32) 4i 1 BLS 1150 (December 1975) | - O f fic e © Use A3 J.T. Code (10-11) (12-16) > o Do Chapter 20. Current W age D evelopm ents B ack grou nd Since January 1948, the Bureau o f Labor Statistics h as is s u e d a m o n th ly r e p o r t, C u r r e n t W a g e D e v e l o p m e n t s , w hich lists general w age changes and changes in supplem entary b enefits agreed to in selected collectiv e bargaining situations, identifying the situa tions by com pany and union nam e. T he scop e o f the listing has varied som ew hat from tim e to tim e, but since 1953, it has b een lim ited to agreem ents affecting ap proxim ately 1,000 production or nonsupervisory work ers or m ore in manufacturing and selected nonm anufac turing industries. B eg in n in ^ in 1968, lim ited govern m ent coverage has been included in the m onthly list ings. This coverage has generally b een restricted to Federal and State G overnm ents, and the public sector in the 10 largest m etropolitan areas. C u r r e n t W a g e D e v e lo p m e n ts w as initiated b ecau se o f the rapid increase in w age rates and prices in the early post W orld War II period, the interest in determ ining the exten t to w hich settlem ent patterns spread from industry to industry, and the discontinuance o f an index o f w age rates that had been initiated during W orld War II. Interest in the listing w as stim ulated by the K orean em ergency w hen the W age Stabilization Board needed data on the exten t to w hich w ages and b enefits w ere being changed. In 1949, and again in 1951 and 1952, statistical sum maries o f w age changes w ere prepared to supplem ent the listing, but regular preparation o f a statistical sum mary began in 1954. T h ese quarterly statistical sum maries sh ow the distribution o f settlem ents and (since 1955) o f w orkers by the size o f the general w age changes agreed to. Beginning in 1959, another statistical summary w as instituted. It is lim ited to m anufacturing, but includes inform ation on general w age changes for nonunion and small union situations, as w ell as for large collective bargaining situ a tio n s.1 From 1959 through 1970, this summary also included inform ation on changes in sup plem entary benefits. D e s c r ip tio n o f S e r i e s The sum m ary o f major co llectiv e bargaining situa tions hereafter is referred to as the “ m ajor” series, and the sum m ary that is based on changes in w ages in man ufacturing firms o f all kinds is described as the “ man ufacturing” series. 154 The major series d escribes general w age changes and changes in b en efits2 in all collective bargaining settle m ents involving 1,000 production and related workers or m ore in manufacturing and 1,000 nonsupervisory workers or m ore in the nonm anufacturing sector, e x cluding G overnm ent and agriculture.3 Supervisory and professional em p loyees are excluded. C ontracts covering multiplant firms are included if the agreem ent as a w hole covers 1,000 workers or more even though each individual plant em ploys few er work ers. A lso included are contracts with trade associations or w ith groups o f firms that bargain join tly with a union or unions, ev en though the firms are not associated form ally and each has few er than the minimum number o f workers covered by the series. Situations in which tw o or more unions, together representing more than 1,000 w orkers but individually representing few er, negotiate essentially identical contracts with one firm or a group o f firm s, are tabulated as one bargaining unit. T he summary for manufacturing as a w hole currently rep resen ts all estab lish m en ts having four or more em p lo y ees4 that adjust w ages by m eans o f general wage ch an ges,5 regardless o f w hether the workers are repre sented by a union. W age change data are presented in cents per hour and, since 1959, as a percent o f average straight-time hourly earnings, adjusted to exclude premium pay for overtim e work. T w o general typ es o f inform ation are presented on w age changes: (1) W age changes related to collective bargaining settlem ents occurring during a time period are tabulated. B oth first-year changes (those scheduled during the first 12 m onths o f the contract) and total w age changes over the life o f the contract, exp ressed as an annual rate, are presented for these settlem ents; and (2) w age changes effective in a period, whether re1 T h e listin g, a s con trasted w ith th e se sum m aries, p rovid es a m uch m ore detailed a cco u n t o f negotiated w age and b en efit ch an g es than can b e p resen ted in a tabular sum m ary. W hen availab le, inform ation on ch an ges for large groups o f n on un ion w ork ers, including p ro fes sion al, w h ite-collar, and prod u ction e m p lo y ee s, also is p resen ted . 2 O nly ch a n g es in b en efits that rep resent ch an ges in c o sts are inclu ded. 3 Prior to 1966, the con stru ctio n , se r v ic e trad es, and fin an ce in d u s tries a lso w ere ex clu d ed . 4 S e e Sam pling and E stim atin g P roced u res for revision s in c o v erage for sam p les draw n after 1975. 5 G eneral w a g e ch an ges are d efin ed as ch an ges affectin g at least o n e-ten th o f the w ork ers at an y on e tim e or all w ork ers in an o c cu p a tion . C h an ges resultin g from p rom otion s, m erit in crea ses, e t c ., are e x clu d ed . CU RREN T WAGE DEVELOPM ENTS suiting from current settlem ents, prior year negotia tions, or the operation o f escalator clau ses, also are m easured. In 1974, the Bureau introduced three new series re lated to th ese tw o typ es o f wage m easu res.6 W age changes in collective bargaining settlem ents now also are cross-classified by contract duration. This series m easures first-year w age changes, increases deferred to subsequent years, and annual rates o f changes by duration o f contract. A nother recently introduced series com pares firstyear negotiated w age increases before and after costof-living escalator adjustm ents b ecom e effective. As they b ecom e know n, by quarter, cost-of-living pay m ents during the first year o f the contract are added to first-year negotiated in crea ses. A verages are presented for all settlem ents and for only th ose having escalator p rovisions. A third series presents total effective w age changes, including the influence o f current settlem ents, prior settlem ents, and escalator p rovisions, by quarter. Pre viously; th ese m easures w ere available only on an an nual basis. The quarterly effective wage-rate change series also is available for selected industry divisions. In distributions o f w orkers by size o f w age change, all workers in an establishm ent or collective bargaining situation are distributed according to the average wage increase in the establishm ent or situation. The number o f workers affected by changes in supplem entary b en e fits includes all production and related workers in the situations w here the benefit is changed, w hether or not all are affected im m ediately. For exam ple, if a fourth w eek o f vacation is added for workers having 20 years’ service in an establishm ent em ploying 1,000 w orkers, a vacation change w ould be recorded for 1,000 w orkers, even though only a relatively small proportion would benefit from the change im m ediately. D a ta S o u r c e s a n d C o lle c tio n M e th o d s The statistical summary o f the major series is com piled from the sum m aries o f co llectiv e bargaining set tle m e n ts lis te d in th e m o n th ly C u r r e n t W a g e D e v e l o p m e n t s w hich, in turn, is derived primarily from se c o n d a r y s o u r c e s , in c lu d in g g en era l c irc u la tio n new spapers and p eriodicals, as well as union, m anage m ent, and trade publications. Other important sources o f inform ation are the file o f union contracts maintained by the B L S and the U . S. D epartm ent o f L abor’s files o f pension and health and w elfare agreem ents, maintained by the D ivision o f R eports P ro cessin g .7 B y the end o f the year, the B L S con tacts either m anagem ent or labor representatives in any situation for w hich these other 6 F o r the d ev elo p m en t and further analysis o f th ese series, see V icto r J. S h eifer, “ N e w m easu res o f w age-rate ch an ge, “Monthly Labor Review, D ecem b er 1974, pp. 1 0 - 1 5 . 7 Inform ation from con tracts supplied on a confidential b asis is used on ly in t h e s t a t i s t i c a l s u m m a r i e s , n o t f o r t h e m o n t h l y listing. 155 sources have not yielded inform ation on wage and benefit changes during the year. Information for nonunion and small unionized firms is gathered quarterly (sem iannually in 1965 and 1966) by a questionnaire mailed to participating establishm ents. T he inform ation on general w age ch an ges is sup plem ented by data on the major bargaining units ob tained from the contract file (unionized establishm ents) and from new spaper clippings purchased from a com mercial clipping service. At the end o f the year, B LS em ployees contact, primarily by telephone, a sample o f firms that have failed to respond to the mail question naire or that have provided incom plete or unclear in form ation. S a m p li n g a n d E s t im a t in g P r o c e d u r e s As indicated earlier, all bargaining situations having 1,000 w orkers or m ore in m anufacturing and non m anufacturing industrie? are included in the major series. It is believed that the current list o f about 2,300 su ch s itu a tio n s , b u ilt up s in c e C u r r e n t W a g e D e v e l o p m e n t s w as started in 1948, is very nearly com plete. After a bargaining situation is added to the uni verse, it is withdrawn only if it cea ses to be within the scop e o f the survey (e .g ., a change to nonunion from union, or because o f an apparently perm anent drop in em ploym ent to substantially below 1,000). The sam ple for manufacturing is derived from State unem ploym ent insurance (UI) listings w hich show re porting units by location, number o f em ployees, and industry classification .8 The sam ple is a highly stratified probability design w ith sampling ratios varying from 1 out o f 200 establishm ents having up to 19 em ployees to all o f th ose having 1,000 em ployees or m ore.9 The ratios are uniform for all industries. Since data er e available from secondary sources for all unionized situations having at least 1,000 production and related workers, data for all establishm ents m eeting this criter ion also are included in the summary for manufacturing. The sam ple selected from the UI listings is com pared with this list o f establishm ents for w hich information already is available; since data for these sample m em b ers are ob tain ed from seco n d a ry so u rce s, th e se establishm ents are not sent questionnaires. Approxi mately 6,000 establishm ents are left for the question naire survey. A lthough the sam pling design yields a sam ple in w hich large firms are relatively overrepresented, this 8 S ee ap p en dix B , “ Industrial C la ssifica tio n .” F or a m ore detailed d escrip tion o f u n em p loym en t insu ran ce data, se e chapter 3. Sam p les draw n prior to 1975 e x clu d ed estab lish m en ts havin g few er than 4 e m p lo y ee s b e c a u se in m any S tates th ey w ere not co v ered by un em p loym en t com p en sa tio n program s. D u e to ch an ges in U I data c o lle c tion , sam p les tak en after 1975 are e x p e cte d to inclu de estab lish m en ts having few er than 4 em p lo y ee s. 9 In the c a s e o f a fe w c o m p a n ie s h a v in g large n u m b ers o f estab lish m en ts each including 1,000 w orkers or m ore, a sam ple o f plants is ch o sen . 156 BLS HANDBOOK OF METHODS bias is overcom e by the estim ating procedure. Each establishm ent in the sam ple is assigned a w eight which is the reciprocal o f the sampling ratio in the stratum from w hich it w as selected . An establishm ent selected from a stratum from w hich 1 out o f 4 establishm ents is ch osen is assigned a w eight o f 4, so that it represents itself and three other establishm ents. Information for e a c h e s t a b lis h m e n t is m u ltip lie d b y th e w e ig h t assigned to the establishm ent. T hus, all establishm ents, regardless o f size, are represented appropriately in the final estim ates. A n e s t a b lis h m e n t in th e su b s a m p le o f n o n respondents is subsequently contacted and is weighted to represent all n onrespondents in the stratum. It is assigned a new w eight— the product o f the original w eight and the inverse o f the subsam pling fraction. Thus, 1 out o f 3 nonrespondent establishm ents sub sam pled from a group originally sam pled at the rate o f 1 out o f 2 w ould be assigned a w eight o f 6. If an establish m ent included in the sam ple ^vith certainty fails to re spond, another similar establishm ent w ould be w eigh ted to represent it. To the estim ates derived from the w eighting o f the sam ple questionnaire are added the data from seco n dary so u rces— the num ber o f w orkers under major bargaining situations. The totals thus obtained are further adjusted to re duce the hazards o f sampling and to take account o f opening or closin g o f establishm ents b etw een com pila tion o f the State unem ploym ent insurance listing from w hich the sam ple is ch osen and the date o f the survey. A djustm ents are made o f em ploym ent lev els for pro duction w orkers in the 2-digit Standard Industrial C las sification m anufacturing industry groups, as reported in the m onthly em ploym ent series o f the Bureau o f Labor Statistics for the period covered by the summary o f w age c h a n g es.10 For exam ple, if the estim ate o f pro duction worker em ploym ent in an industry group de-* rived from the sam ple is 100,000 but the B ureau’s esti mate o f em ploym ent in that industry group less the em ploym ent o f the major situations w as 110,000 work ers, the w eighted em ploym ent for each sam ple situation in that industry w ould be multiplied by * or 1.1. 7 100,000 The resulting industry group estim ates w ould be com bined to provide the estim ates for all manufacturing. The major series for manufacturing and nonm anufac turing com bined is not adjusted in this fashion, since it is presum ed to be all inclusive. A new sam ple o f nonunion and small unionized plants in manufacturing is generally selected every 3 years. A fter the initial contact, establishm ents that indicate that th ey have a p olicy o f adjusting w ages on an indi vidual b asis, rather than by m eans o f general wage changes, are included in further surveys only to main tain the proper em ploym ent estim ates. 10 S e e ch . 3. P r e s e n t a t i o n a n d A n a l y s is Preliminary information on the “ package c o st” and general wage changes resulting from collective bargain ing settlem ents involving the major situations is issued in press releases about 4 w eek s after every quarter and the information is also sum m arized in C u r r e n t W a g e D e v e lo p m e n ts (See “ M easuring C ollective Bargaining S ettlem en ts,” beginning on page 158 for a description o f the package co st program). M easures reflecting the various influences on the overall size o f w age settle ments are presented. W age changes are measured sepa rately for settlem ents containing cost-of-living provi sions and for th ose w ithout such clau ses. W age-rate information is also presented separately for the man ufacturing and nonm anufacturing sectors. A verages are also tabulated for all settlem ents excluding those in the construction industry, and for nonmanufacturing set tlem ents excluding construction, as well as for con struction settlem ents alone. The press releases also provide preliminary data on the total effective wage change, by com ponent and for various industrial se c tors, on a quarterly basis. Final data on w age and benefit changes are not avail able until early in the follow ing year, and are presented in C u r r e n t W a g e D e v e l o p m e n t s , and to a limited exten t, in the M o n t h l y L a b o r R e v i e w . Yearend summaries also include information on the number o f workers receiving changes in various supplem ental practices, classified by benefit and by size o f wage change. Quarterly data and the full-year article for m anufac turing are published in C u r r e n t W a g e D e v e l o p m e n t s . T he quarterly e stim a te s w h ich are b ased on p re liminary data, stress w age changes resulting from set tlem ents or m anagem ent d ecision s made during the period, w hile the yearend article, which is based on final data, also analyzes trends in the size, frequency, and type o f w age changes, and the prevalence and re sults o f w age escalation p olicies. B ecau se it is based on data for both large and sm all union ized and nonunionized establishm ents, the manufacturing analysis can m ake m any o th er u se fu l co m p a r iso n s o f its com ponents. Uses and Limitations The data are used ex ten sively by labor, m anagem ent, and the Federal M ediation and C onciliation Service in collective bargaining; by private institutions and uni versities in studies o f industries or groups o f industries; and by local and Federal G overnm ent agen cies in terested in the current econom ic picture to determ ine trends in w age and benefit changes as w ell as for w age, incom e, and gross national product forecasts. The data relate to changes in w age rates and should not be inter preted as changes in em p loyee earnings. C U R R E N T W AGE D E V E L O PM E N T S BLS 2675d Jan. 1975 157 U.S. D EPA RTM EN T O F LA BO R Bureau o f L abor Statistics Form Approved O.M.B. No. 44-R1135 W ashington, D.C. 2 0212 WAGE DEVELOPMENTS IN MANUFACTURING, 1975 The Bureau o f Labor Statistics will hold all information furn ished by the respondent in strict confidence. n r Keep this copy for your company file. L Identification or location of establishment for which information is requested, if different from mailing address. J (Change if incorrect, include ZIP code.) I. II. What was the major product (in terms of sales value) of this plant during 1974? A. All employees B. All production and related workers 1. Number III. See page 4 for explanation. Please provide employment and payroll information for the payroll period including January 12,1975. 1. Number 2. Payroll 3. Man-hours Do collective bargaining agreements cover a majority of your production and related w o rk e rs? ........................ Yes □ No □ No □ If “No,** please skip to section YU. ■ --------------- -------- —■„ .—»-------------------------------------------------------- — If “Yes,** please answer all questions except VII. F O R UN ION FIR M S ONLY IV. Union and Agreement Identification: A. With what union or unions do you have a collective bargaining agreement?_______ B . Are you a party to an agreement signed by an employer association with this union(s)? ............................. Yes EU If so, what is the association’s name? ___________________ _____________________________________________ — V. Agreement Expiration Date: When does your collective bargaining agreement(s) expire or become subject to reopening on wages? (Space has been provided for two entries since the date may change during the year.) VI. New or Revised Agreement: Please mark appropriate boxes below to bring your report up to date fo r- During the quarter- Jan- -Mar. 1975 A. Did you negotiate a new or revised collective bargaining contract(s) for your production and related w o rk e rs? ..................... . B. If yes, did you agree on an immediate or deferred change in wages?............... .................. Apr.--June 1975 July--Sept. 1975 Yes No Yes No Yes . . . . □ □ □ □ □ . . . . □ □ □ □ □ Oct.--Dec. 1975 Yes No □ □ □ □ □ □ No PLEASE TURN TO NEXT PAGE. 158 B L S H A N D B O O K O F M ETH O D S 2 F O R N O N U N IO N F IR M S O N LY VII. Policy Regarding Wage Changes: Whether or not you changed wages during the first quarter of 1975, what is your policy regarding general wage changes? □ □ 1. Wages are normally changed only on an individual b a s is ....................................................................................................... 2. General wage changes are sometimes m ade............................................................................................................................... F O R U N IO N AN D N O N U N IO N FIR M S VIII. Cost-of-Living Escalation: Do you have a cost-of-living escalator policy whereby wages are changed automatically with specified changes in a i— > price in d e x ? ............................................ ........................................................................................................................Yes I___ I If so, please list the months in which wage changes will go into effect if the price index warrants. (If you wish, you may include the formula used for determining the amount of the change, and we will compute the change to eliminate the necessity of mailing the questionnaire back to you.) IX. No □ Wage-Rate Changes for Production and Related Workers, 1975: Please report any general wage-rate changes you have put into effect for your production and related workers in the previous quarter. Include: Exclude: 1. All changes affecting either (a) 10 percent or more of your production and related workers at any one time, or (b) all workers covered by a single col lective bargaining agreement, even if the agreement applies to fewer than 10 percent of the workers. 1. Increases to individuals resulting from promo tions, automatic increases with length of service, or progression within an established rate range. 2. Any change in your pay scales even though no workers received immediate pay increases as a result of this change. 2. The cost of any changes in supplementary benefits. 3. Any cost-of-living escalator adjustments whether or not they are part of y o u r p e rm a n e n t rate s tru ctu re . 4. Increases decided on in earlier years but going into effect in 1975. 5. Increases decided on in 1975 but scheduled to go into effect in later years (list in Part C.) 6. Changes in hourly rates resulting from changes in hours without correspond ing changes in weekly or daily pay. 7. Increases resulting from changes in the minimum wage law. A. Have you put into effect any such general wage changes during the quarter? Jan.-M ar. 1975 Y e s ......................................................................... . . □ No .......................................................................... . . □ Apr.-June 1975 □ □ If your answer is “Yes” , indicate below the form of the wage change(s) and lis t each 1. Uniform cents per h o u r................................... . . □ 2. Uniform percentage c h a n g e ........................... . . □ 3. Higher cents per hour for skilled workers. . . . . □ 4. Other (specify in section XI. “ Remarks” ) . . . . □ □ □ □ □ July-Sept. 1975 □ □ Oct.-Dec. 1975 □ □ chanze in subsection C: □ □ □ □ □ □ □ □ C U R R E N T W AGE D E V E L O P M E N T S 159 3 IX Wage-Rate Changes for Production and Related Workers, 1975-Continued C. List any general wage-rate changes which have already been placed into effect during 1975 or which have already been decided upon and are scheduled to go into effect in the future. List effective date of increase, number of workers affected, class of workers affected, amount of change and type of change. If all workers did not receive the same amount (either the same number of cents or the same percentage) list changes for each group on a separate line with the approximate number affected. For example, if there was a uniform across-the-board change plus added changes for some workers, list the uniform change first and show additional changes below. If a cost-of-living escalator adjustment went into effect at the same time as another increase, list it separately . Increases resulting from changes in minimum wage law should also be listed separate ly and identified. In reporting information for incentive workers include, if possible, estimated effects of wage-rate changes on incentive workers* earnings. (For example, if base rates for incentive workers were raised 5 cents and this increased their hourly earnings about 7 cents, report 7 cents.) If any changes in scales were made that did not affect any workers immediately, indicate the approximate number to be affected by the end of the year. Indicate whether change was given in percentage or cents terms. Effec tive date Approxi mate number receiving wage adjust ments Check if this increase was Gasses of production and related workers or jobs affected Decided on in 1975 Amount of hourly change i % t % t % 4 % 4 % 4 % 4 % 4 % 4 % 4 % 4 % 4 % 4 % 4 % 4 % 4 % 4 % Auto Deferred matic (decided cost-of on in an living earlier escalator year) D. Do you anticipate any wage changes during 1975 in addition to those listed above (cost-of-living changes or changes for which amount is unknown at the present time)? Y e s ..................................................................................................................................................... n o . . . . . . ................................................................................................................................. A pr.-June 1975 July-Sept. 1975 Oct.-Dec. 1975 ED ED ED ED ED ED PLEASE TURN TO NEXT PAGE. 160 B L S H A N D B O O K O F M ETH O D S 4 E xplanations fo r R e p o rt o n Wage D evelopm ents in M anufacturing, 1975 Section 11-A All employees-total number on the payroll o f the plant covered by this report who worked full-time or part-time or received pay for any part of the period reported. Include persons on paid vacations and sick leave. Exclude persons on leave without company pay the entire period as well as pensioners and members of the Armed Forces not working during the period reported. Section II-B Production and related v/oaken-Include working foremen and all nonsupervisory workers engaged in fabricating, processing, assembling, inspecting, receiving, storing, handling, packaging, warehousing, shipping, trucking, hauling, maintenance, repair, janitorial, watchmen services, pro duct development, auxiliary production for plant’s own use (e.g., power-plant), recordkeeping, driver-salesmen in food processing industries, and other services closely associated with these production operations. Exclude employees engaged in executive, purchasing, finance, accounting, personnel, cafeteria, professional, and technical activities; sales; advertising; collection; installation, and servicing of products; route office functions; factory supervision above the working foremen level; and employees on your payroll engaged in construction of major additions or alterations to the plant. 1. Number. Include both full-time and part-time production and related workers on your payroll-whether wage or salaried-who worked during or received pay for any part of the payroll period reported. Include persons on paid sick leave, paid holidays, and paid vaca tions. 2. Payroll. Include pay earned during the payroll period by production and related workers reported in the preceding box. Payroll should be reported before deduction for old-age and unemployment insurance, group insurance, withholding tax, bonds, and union dues. Include cost-of-living allowances, pay for overtime, holidays, vacations, and sick leave. 3. Man-hours. Include all hours worked, not scheduled hours, during the payroll period by the production and related workers reported in ihe first box plus hours paid for stand-by or reporting time and holidays, and man-hours equaivalent to pay received by employees directly from your firm for sick leave and for holidays and vacations for this payroll period. NOTE: X XI. Data in Section II are to be reported for the payroll period including Jan. 12,1975 and should not be revised during subsequent quarters. Do you want a copy of the Bureau's annual summary on this survey? Yes □ Remarks: Name and title of person furnishing data (please typeorprint) Area code, Phone no. N oC U Chapter 21. Measuring Collective Bargaining Settlements B ackground D e s c r i p t i o n of S e r i e s The Bureau’s program of measuring the effects of collective bargaining settlements on hourly labor com pensation is a reflection of two developments: One, the growing importance of fringe benefits as a proportion of em ployee compensation, and tw o, increased concern about the effects o f collectively bargained wage and benefit changes on the price level. Whereas in earlier years the econom ic terms of negotiated settlements could be equated largely with agreed-upon changes in wage rates, today, possible ch a n g es in a h o st o f pay su p p lem en ts m ust be considered— such as various forms of premium pay, paid leave, cash bonuses, and employer contributions to funds providing pension or health and welfare bene fits. Although straight-time pay for working hours is still the major element o f compensation, supplements are now a significant portion, accounting for about a fifth o f total em p lo y er o u tla y s for w orker com pensation.1 Moreover, growing concern during the 1960’s over the extent to which increased labor costs may contri bute to inflation has heightened interest in the size of collective bargaining settlements. Responding to these influences, the BLS began es timating the cost o f wage and benefit (i.e., “ package” ) changes in a limited number o f key settlements in 1964. The work was expanded the following year and, since 1966, the Bureau has attempted to determine the price o f all settlements affecting 5,000 workers or more in the private nonfarm sector. In addition, a separate series has been developed for the construction industry, cov ering settlements for 1,000 workers or more. At present, the Bureau publishes two sets of data on wage-benefit decisions. One shows the annual rates of increases in settlements reached in a given time period and scheduled to go into effect at any time during the term of the agreements. The other is limited to the changes set for the first 12 months of the agreements.2 Published data summarize settlements reached during individual quarters of a year, during full years, and during the first 6 and 9 months of each year. Frequency distributions are shown for workers grouped by the size o f their settlements. In these dis tributions, all workers affected by a given action are entered at the average for the bargaining unit. The sums of the individual settlements are averaged—both means and medians are presented— each settlem ent being weighted by the number of workers affected. However, the pricing of individual settlements is not disclosed. Averages for full years are available separately for m anufacturing and nonm anufacturing industries. Otherwise, no industry detail is published, except for the separate construction industry series. As indicated in the preceding paragraphs, these series relate to the pricing of decisions, i.e ., they mea sure the effect of changes agreed on in a given period although, considering the general practices o f negotiat ing multiyear collective bargaining agreements contain ing provisions for annual (and sometimes more fre quent) improvements, the changes may be introduced only at a subsequent date. Measures of wage and bene fit changes actually placed in effect in specified periods, whether as a result of current bargains, changes agreed upon earlier but with deferred effective dates, or the operation of cost-of-living wage escalator clauses, also are available. 1 S e e Paul L. S h eib le, “ C h anges in E m p lo y ee C om p en sation , 1966 to 1972,” M o n th ly L a b o r R e v i e w , M arch 1975, pp. 1 0 - 1 6 . It is difficu lt to m easure the grow th o f su p p lem en ts o ver the years and to quantify their current im portance. T he national in com e accou n ts provide o n e pertinent sou rce o f data. T h ey sh ow that su pp lem en ts to w a g es and salaries ro se as a p ercen t o f total e m p lo y ee com p en sation from 1 percen t in 1929 to 12 p ercen t in 1974. T h e N a tio n a l I n c o m e a n d P r o d u c t A c c o u n t s o f th e U n ite d S t a t e s , 1 9 2 9 - 1 9 6 5 : S t a t i s t i c a l U . S . D e p a r tm e n t o f C o m m e r c e , O ffic e t ) f B u s in e s s E c o n o m ics (1966), p. 14; S u r v e y o f C u r r e n t B u s in e s s , January 1975, p. 32. T h ese figures, h o w ev e r, d o n ot reveal the relative im portance o f all su pp lem en ts in eith er year, sin ce m any— su ch as prem ium p a y m en ts, lea v e p a y m en ts, and ca sh b o n u ses— appear as parts o f w a g es and salaries. T he figures therefore are n ot com parable to th ose found in su rv ey s o f em p loyer exp en d itu res for supplem entary co m p en sation . T a b le s , 2 B efo re 1970, the B ureau published tw o m easures o f change o v er the life o f the con tract, the so-called equal tim ing and the tim ew eigh ted m easu res. T h e form er assu m ed equal spacing o f changes during the term o f the contract; the latter to o k a ccou n t o f the actual effe c tiv e d ates o f w age and b en efit ch an ges. T he tim e-w eighted m ea sure has b een d iscon tin u ed , b e ca u se it appeared to be o f significan ce prim arily for the an alysis o f individual settlem en ts rather than for overall series o f the typ e produ ced by the Bureau. M oreover, drop ping o f the tim e-w eigh ted m easure and introduction o f a series on first-year ch an ges p ro v id es parallel sta tistics b oth on w age-rate ch an ges alon e and on w a g es and b en efits com bined. 161 B L S H A N D B O O K O F M ETH O D S 162 D a ta S o u r c e s a n d C o lle c tio n M e th o d s The terms of the settlements to be priced are obtained primarily from secondary sources, such as general cir culation newspapers and periodicals and union, man agement, and trade publications. Collective bargaining agreements and documents on pension and health and welfare plans also are consulted. When these sources are inadequate, direct requests for information are made to the companies and unions involved. Large quantities of statistical data, as well as the settlement terms, are required. These are needed both to determine existing employer outlays and to assay the effect on these expenditures of agreed wage and benefit changes. Efforts are made to use existing data. H ow ever, when these prove inadequate, the parties are re quested to furnish data. Such requests, it must be em phasized, are made to receive specific information from which the Bureau can price settlements; the requests are not made to receive the parties’ own evaluations of the terms o f their settlements. One o f the major sources of information on current hourly earnings is the establishment information which BLS obtains through its monthly employment, payroll, and hours survey. Information on current outlays for pay supplements may be available from BLS surveys of expenditures for such benefits. Pertinent information for estimating expenditures for some items may be found in industry wage surveys, e.g., extent of late-shift work and occupational employment distributions. An nual financial reports filed with the Department of Labor under the Welfare and Pension Plan Disclosure Act provide useful material. N ot all the sources tapped are g o v ern m en tal; for in sta n c e , inform ation on workmen’s compensation insurance rates is reported by the National Council on Compensation Insurance. S a m p lin g a n d E stim a tin g P r o c e d u r e s As was noted earlier, the Bureau attempts to cover all settlements for 5,000 workers or more (1,000 or more in construction) in the private nonfarm sector. Substan tially all such settlements come to the attention of the Bureau and are included in its series, it is believed. D iscu ssion o f procedures for pricing individual settlem ents3 may be centered around three questions: (1) What items in a collective bargaining settlement are to be priced? (2) How are the costs of these items to be determined? (3) How are these costs to be expressed? Coverage. Little evidence is needed to demonstrate that many terms of a union-management agreement, not 3 Prod uction o f statistical series m erely entails grouping and a v eraging the pricing o f individual settlem en ts. P ublished distributions sh o w the num ber o f w orkers under k n ow n settlem en ts for w h ich data w ere in su fficien t to perm it pricing. merely the wage and benefit provisions, may affect directly or indirectly an em ployer’s costs. For example, one o f the so-called “ n oneconom ic” terms o f an agreement— seniority—may have a limited influence on costs through its effect on employee efficiency.4 H ow ever, such an item is essentially not measurable. Consequently, the BLS program is confined to the w age-benefit com ponent o f co llectiv e bargaining agreements, i.e., to the effect o f settlements on em ployer outlays for employee compensation. This com ponent, clearly, is of major significance in its own right. Included are items such as changes in wage rates; mod ifications in premium pay, bonuses, paid leave, and severance pay; and adjustments in employer payments for pension, for health and welfare, and for supplemen tal unemployment benefits, excluding the costs of ad ministering these benefits. Also included are changes in formal contract provisions specifying paid time for clothes change, washup, and lunch periods. Excluded are informal modifications of unwritten rest-period practices; items related to, but not normally considered part of, compensation— such as per diem payments, moving expense reimbursements, and pay ments for safety clothing; and provision of facilities or services such as parking lots and health units, the costs of which often are charged to capital rather than labor accounts. Determination o f Costs. Since a value is placed on set tlements at the time they are reached, the costs attri buted to them obviously are estimates of outlays to be made in the future; they cannot be taken from em ployers’ accounting records. The estimates are made on the assumption that conditions existing at the time the contract is negotiated will not change. For example, estimators assume that methods of financing pensions will not change, and that expenditures for insurance will not change except as a result of altered benefit provi sions or modified participation because o f changes in company contributions. They also assume that the composition of the labor force will not change. In this regard, except for any guaranteed increases, which are treated as deferred adjustments, possible wage-rate changes as a result o f cost-of-living escalator clauses are excluded because of difficulties in predict ing movements o f the Consumer Price Index. Thus, the Bureau prices the wage and benefit changes that would go into effect if the price level were to remain stable.5 Nevertheless, package estimates do attempt to mea sure the costs associated with actual characteristics of 4 A lm o st in evitab ly a ten d en cy has d ev elo p ed to regard all contract ch an ges as servin g to in crease em p loyer p aym en ts. A lthou gh this u n dou btedly is the com m on result, so m e ch an ges, e v en w h en pro p osed b y u n ion s, m ay lo w er c o sts. U n ion -m an agem en t coop eration sch em es h ave at tim es provid ed ex am p les. 5 T he series on w age and b en efit ch an ges actually placed into effect inclu des escalator adju stm ents, sin ce the issu e o f p rediction o f CPI m ovem en ts d o e s not arise. MEASURING COLLECTIVE BARGAINING SETTLEMENTS the work force affected by the settlem ents, not the costs for som e hypothetical em ployee group. A ttem pts to base estim ates on the actual age, length o f service, sex, and skill characteristics o f the w orkers involved recog nize that the ch oice in incorporating alternative benefit changes into contracts is affected by their co sts, which, in turn, are affected by the character o f the work force. For exam ple, an extra w eek o f vacation after 15 years of service will co st very little w hen only 10 percent o f the workers have that m uch service, but will co st about 1 percent o f straight-time hourly earnings when half o f the workers have been em ployed for 15 years or more. A s a rule, indirect effects o f settlem ents are ignored: factors such as p ossib le exten sion o f settlem ent terms to nonunion w orkers in the sam e firm or to m em bers o f other bargaining units. Sim ilarly, the co st o f providing lengthened vacations is m easured by the w ages and salaries paid for the additional tim e off; co sts o f hiring vacation replacem ents, if n ecessary, are not con si dered. M oreover, effects on unit labor co sts, which involve consideration o f em p loyee efficien cy as w ell as em ployer paym ents, are disregarded. H ow ever, “ creep ” 6 is accounted for. Creep reflects the fact that an increase in w age rates will have a seco n dary effect on em ployer co sts through its effect on outlays for b en efits. A 20-cent-an-hour w age increase will affect not only straight-tim e w age rates but also su p p lem en ta ry p a y m en ts g o v ern ed by w age rates — such as overtim e prem ium s, leave paym ents, pension benefits related to salary lev el, and social security payroll taxes (if earnings are not at or above the statu tory maximum tax base). Creep is taken into account by raising each w age increase provided by the new con tract by a creep , or loading, factor. This factor is essen tially the ratio o f current hourly expenditures on ben e fits that vary with w age lev els to current straight-time hourly earn in gs.7 M any item s in a co llectiv e bargaining agreem ent are priced w ithout difficulty. This is particularly true w hen settlem ent term s are exp ressed as cents-per-hour ad ju s tm e n t s , e . g ., a 2 0 -c e n t-a n -h o u r g en er a l w a g e increase8 or a 5-cent increase in em ployer contributions to a health and w elfare fund. T h ese stipulated centsper-hour figures are utilized as the co sts o f the settle m ent p ro v isio n s.9 Percentage w age adjustm ents are converted to cents-per-hour figures on the basis o f cur rent average straight-tim e hourly earnings. Although less direct, the co st o f an additional holiday is estim ated adequately by prorating 8 h ours’ average pay (if the 6 T he term s ‘ ‘roll-u p ” and ‘ ‘b u lg e ,” am ong oth ers, a lso are u sed to e x p r ess the sam e idea. 7 It varies from this ratio to the e x ten t that there are lim its on earnings that are su b ject to social secu rity taxes. 8 W here appropriate, the e ffect o f a general w age increase on in cen tiv e earnings is inclu ded in the m easu rem en t o f the w age in crea se. 9 S in ce estim a tes are on a cen ts-p er-h ou r-w ork ed , rather than per-hour-paid-for, b a sis, agreed-u pon in creases are adjusted if they areFRASER on an hours-paid-for b asis. Digitized for 163 normal workday is 8 hours) over the number o f annual working hours per em ployee. The co st o f an additional w eek o f vacation for 25-year em p loyees is estim ated sim ilarly, but one must know the number o f em ployees with the required seniority. Other settlem ent terms are more difficult to price. For exam ple, the co st o f an unfunded severance pay plan depends on the frequency o f layoffs as w ell as on plan provisions. E stim ates o f such frequencies are at best hazardous. Pension im provem ent costs are par ticularly difficult to estim ate b ecau se o f the considera ble discretion em ployers often have in funding their ob ligation s.10 The general approach follow ed by the Bureau is to assum e that a given pension benefit in crease will raise existing expenditures for current ser vice proportionately. Since em ployer contributions for pensions frequently vary w idely from year to year, outlays in several past years are exam ined to develop a m easure o f current paym ents. U nder the B L S fram ework, estim ates concerning m ost p rovisions are o f actual cash outlays to be made by em ployers. H ow ever, in the case o f im proved paid leave p rovisions, a change may entail tim e o ff for work ers, but not additional cash paym ents by the em ployer. H ow ever, paym ent per hour w orked will rise and this change is taken as the co st effect o f the settlem ent provision. In case o f a reduction in the basic w orkw eek, the increase in hourly rates needed to maintain w eek ly pay is the major item B L S prices. To som e exten t, a reduced basic w orkw eek may be accom panied by additional overtim e work. H ow ever, u nless this overtim e is pro vided specifically in the agreem ent, it is ignored in the co st estim ate. Increases in hourly pay rates are not the only cost effects considered in this instance. E ven if there is no change in total em ployer outlays for particular pay sup plem ents but the contract provides for reduced hours, the outlays for them per hour w orked will rise and affect the co st o f settlem ent. t h e C o s t s . The total cost o f a given settle m ent is obtained by adding up the cents-per-hourw orked co sts o f each o f the individual wage or ?nefit changes. This sum is then exp ressed as ap ercen t o f pay, as this ratio facilitates inter-com pany com parisons by elim inating influences o f payroll size and w age level. Furtherm ore, since econ om ic studies generally em phasize relative rates o f change in statistical series, p ercen t-o f-p a y c o s ts can be integrated into broad econom ic an alyses. E xpression o f package co sts as a percent o f pay re quires estim ation o f an appropriate b ase (the d e nom inator o f the ratio) as w ell as the co st o f the settle m ent term s (the numerator). The base used by the E x p r e s s in g 10 E m p lo y ers’ contractual ob ligation s com m on ly are to provide giv en le v e ls o f p en sion b en efits, rather than to exp en d sp ecified am oun ts o f m on ey. BLS HANDBOOK OF METHODS 164 Bureau con sists o f current outlays per hour w orked for all item s o f em p loyee com pensation , as defined, plus em ployer expenditures for legally-required social in surance. The latter is part o f em p loyee com pensation, although not subject to change through collective bar gaining. Sin ce collective bargaining agreem ents generally are for 2-year periods or longer, B L S ex p resses the total percent increase over the contract term at an annual rate to perm it com parison am ong agreem ents for differ ing tim e spans as w ell as to facilitate the u se o f the data in conjunction w ith other statistical series. T hese an nual rates o f increase take into account the com pound ing o f su ccessiv e changes. In addition, the Bureau com pu tes first-year ch a n g es, i.e ., the total change scheduled for the first 12 m onths o f the agreem ent, exp ressed as a percent o f current hourly com pensation. A s a general rule, the first-year increase is larger than the average annual increase over the full term o f the agreem ent; contracts com m only are “ front-loaded.” Contracts are considered to run from their effective dates to their term ination dates. H o w ev er, where w age reopening clau ses are found, the reopening date is taken as the term ination date and any agreem ent under the reopening clau se is treated as a new settlem ent. Pricing o f a co llectiv e bargaining settlem ent is illus trated on the sam ple w orksheet. This exam ple assum es that at the tim e o f the settlem ent straight-time hourly earnings averaged $3 and that total supplem entary benefits w ere $1 an hour w orked, providing total com pensation o f $4 an hour w orked (the base). A lso as sum ed is a creep factor o f 20 percent, 2,000 annual working hours per em p loyee, and a 3-year agreem ent effective January 1, 1975, providing the im m ediate and deferred w age and benefit im provem ents show n on the w ork sh eet. T he settlem en t p ro v id es a 7.1 p ercent first-year package and a 6.5 percent annual rate o f in crease over the 3-year term. T he w orksh eet also sh ow s the w age and benefit gains scheduled for each o f the 3 calendar years (1975, 76, and 77), from w hich material the series on changes actually placed into effect is d ev elo p e d ,11 and the wage-rate changes apart from benefit im provem ents. The latter data are com puted without reference to creep and relate w age gains to average hourly earnings rather than average hourly com pensation. P r e s e n ta tio n a n d A n a ly s is Press releases covering w age changes and w age and benefit changes in major co llectiv e bargaining settle m ents are issued toward the end o f the month follow ing the clo se o f each quarter. T hese releases contain pre liminary data for the first 3, 6, and 9 m onths o f a year 11 T h u s, th e series on e ffe c tiv e p ack age ch an ges essen tia lly is b a sed o n the pricing o f item s at the tim e settlem en ts are reach ed . T he on ly ex ce p tio n is the su b seq u en t add ition o f co st-of-livin g esca la to r w a g e ch a n ges. and for the full year. This material also appears in W a g e D e v e lo p m e n ts (C W D ). Final quarterly material (both for individual quarters and the cum ula tive quarterly material appearing in the press releases) is included in the C W D article for the full year. Informa tion on the total effective changes also appears in the final summary. Sum mary data for recent individual quarters and 4-quarter periods are show n m onthly in C W D together w ith other statistical series depicting asp ects o f change in em ployee com pensation. The presentation facilitates analysis o f the interrelations b etw een the series and the divergences in their m ovem ents. C u r r e n t U s e s a n d L im ita tio n s Package co st data are used exten sively by union and m anagem ent officials, for w hom data on developm ents in other firms and industries often provide an important criterion for their ow n deliberations. In a different vein, the data are exam ined by governm ent officials and pri vate analysts, concerned with the econom ic repercus sions o f co llectiv e bargaining on the costs o f individual em ployers and on w age-price-em ploym ent relations within the econ om ic system as a w hole. The user o f the data should rem em ber that the series d oes not purport to m easure all changes in average hourly expenditures for em ployee com pensation. E s tim ates are derived under the assum ption that all fac tors affecting em ployer outlays other than contract m odifications are constant. N ev erth eless, changes in the volum e o f overtim e and shift w ork, in the com position o f the work force, in the level and stability o f em ploym ent, in factors affecting incentive earnings, e tc ., are not unusual, and will influ en ce outlays for em ployee com pensation. In som e in stan ces, th ese changes are introduced by m anagem ent specifically to offset co sts o f new labor agreem ents. In other ca se s, changes are the result o f m odified pro duction schedules or o f technological developm ents in dependent o f collective bargaining, and may either add to or subtract from the co st o f the union-m anagem ent settlem ent. In any even t, an important influence on the lev el o f em p lo y ee co m p en sa tio n , so cia l insu ran ce taxes, is essentially outside the scop e o f the package cost estim ates. T w o other factors m ust be considered. First, package costs are only estim ates o f future changes in em ployer outlays. A s already em phasized, com pletely accurate estim ates should not be exp ected . S econ d ly, the data apply primarily to settlem ents for 5,000 workers or more. A lthough package co st estim ates are extrem ely valu able as com prehensive m easures o f change resulting from union-m anagem ent negotiations, to u se the esti m ates as precise, unam biguous, and unfailing m easures o f the econom ic effects o f collective bargaining is ad ding an assignm ent w hich the data are incapable o f fulfilling. >0 PACKAGE COST ANALYSIS WORKSHEET SO N am e - L o c a tio n - U n io n SCHED. 10 11 19 15 16 17 111 M m 1 W b m M E A S U R IN G C O L L E C T IV E B A R G A IN IN G S E T T L E M E N T S 3 /1 5 /7 5 E s c a l. C la u s e In fo r. (if W ages O v e r L i f e of B e n e fits Y ear T o ta l C ent 8 2 8 .2 5 --------------- 8 3 .6 1 — ----- --— — W ages a n d B e n e f i t s 5C D iv id e d By * * $ 4 .0 0 T o ta l A nnual P e rc e n t R a te o f In c re a se In c re a se X 7 .1 % 2 0 .9 0 $ 4 .0 0 6 .5 % $ 3 .0 0 5 6 .9 1 $ 3 .0 0 1975 2 8 .2 5 $ 4 .0 0 7 .1 % 1976 2 2 .6 9 $ 4 .2 8 2 5 5 .3 % 1977 3 2 .6 7 $ 4 .5 0 9 7 .2 % N /A N /A N /A N /A N /A N /A N /A N /A C o n tra c t E ffe c tiv e in in --- -- X 2 3 .5 4 ---------- 7 .8 % 6 .0 % 1 8 .9 7 in 1975 2 3 .5 4 $ 3 .0 0 7 .8 % W ages A lo n e E f f e c t i v e in 1976 1 6 .1 8 $ 3 .2 3 5 5 .0 % W ages A lo n e E f f e c t i v e in 1977 1 7 .1 9 $ 3 .3 9 7 5 .1 % W ages A lo n e E f f e c t i v e in .N /A N /A N /A N /A _ W ages A lo n e E f f e c t i v e in N /A n/a N /A . . . . . N /A N /A N /A ..................... - ......................... N o te : ** F or d iv id e F o r th e e a s o f th e P ric e d . N /A w ages and b e n e f i t s , d iv id e by th e b a s e ; f o r w ages a lo n g , b y t h e A .H .E . f f e c t i v e m e a s u r e s , d i v i d e b y t h e a d j u s t e d b a s e o n A .H .E . s t a r t o f th e a p p r o p r ia te y e a r . O ut B y: J o h n D oe 20% s h ift .6 C s h ift .6 0 & 1 add. h rs. &8 = 2 7 .9 9 - r 1972 V a c a tio n s : Im p r. a v e ra g in g h r s . o f v a c ./ y r , fo r a l l 1 c L BASE W&B OTL* iw I M°m m in «&B T im e ^ g h td ^ W&B F .Y ★ MM c e n ts E x c l u d e 1W i t h cre e p cree p 1 5 .0 0 1 8 .0 0 1 /1 /7 5 1 /1 /7 5 1 /1 /7 5 fo r 1 .0 0 1 .2 0 1 .2 0 JU44 6 .3 4 7 .6 1 fo r 1 0 /1 /7 5 7 /1 /7 6 - 1/U Z 7 . - 7/.1/Z1 .m m ..1 6 . 1 8 ■ 1 9 x 4 2 XQ .1 9. 1 1 * 2 1 8 .4 0 - LQ 0 . h rs. = 20 a d d . e m p ls . 1 ^ 2. IO L $ 3 .2 3 5 @ 20 h r s . = 6 4 .7 0 t 198 0 h r s = a d d e d im p a c t i n 1977 $ 3 .4 9 9 @ 20 h r s . = 6 9 .9 8 * 1 9 7 2 h r s . = 3 .5 5 0 ( 3 .5 5 0 - 3 ,2 2 0 ) = P e n s io n s a d d . 50 / h r . to fu n d 1 /1 /7 7 50 2 0 8 0 h r s . = $ 1 0 4 .0 0 - 1 9 7 2 = 5 ,2 7 H im . IteDfc a l l - E l a n esfcab. E s t im a t s ayg>- c o a t of-,$.lQ0/p.mp,1. JS1 0 P Ju .Q Z 3 .2 7 _x28 & NZA— N /A TO T A L S : R em ark s: * M W ages A lo n e E f f e c t i v e O th e r: W a g e s : 5% @ 3 . 0 0 S k ill a d ju st fo r Im p r, s h i f t d i f f . a d d . 2<? h r . o n 2 n d 30% = a d d . 30 h r . o n 3 r d 20% = 2% @ 3 . 1 7 2 5% @ 3 . 2 3 5 3% @ 3 . 3 9 7 2% 3 .4 9 9 H o lid a y s : $ 3 .4 9 9 E ffe c tiv e F- P ro v is io n N /A y W ages a n d DUR M°1°13|7|H5lolol°l 1p H M M w W ages a n d B e n e f i t s (tim e w e ig h te d ) - F i r s t - Y e a r W ages A lo n e T o ta l W ages In c re a se s 1 /1 5 /7 5 1 /1 /7 5 1 2 /3 1 /7 7 MEASURE: W ages a n d B e n e f i t s (o v er l i f e o f c o n tra c t) F .Y . W a^es EMPLY . a p p lic a b le ) S T A T IS T IC A L INFORMATION F i r s t - Y e a r W ages & B e n e f i t s S IC 2323 24|25|2 P A D a t e P r i c e d O u t ----------------------------P r e v i o u s E x p i r a t i o n D a t e ---------D a t e N e g o t i a t e d : --------------------------E f e c t i v e D a te o f A g re e m e n t - New E x p i r a t i o n D a t e -------------------- A . H .E . 8 3 .6 1 W ages an d f r i n g e s — W a g e s ------------------------------O ver o r con * No d a t a m ade, th e s h o u ld b e s u p p lie d in th e s e d a ta w il l be s u p p lie d . c o lu m n s . W h en v e r i f i c a t i o n is BLS HANDBOOK OF METHODS 166 T e c h n ic a l Number 1. D a v id , L ily M ary and Sh eifer, V ictor J. “ E stim ating the C ost o f C o llectiv e Bargaining S e ttle m e n ts,” Monthly Labor Review, M ay 1969, pp. 1 6 - 2 6 . R eprint N o . 2617. A m ore detailed d escrip tion o f the Bureau o f Labor S tatis tics p roced u res fo r pricing c o lle ctiv e bargaining settlem en ts. 2 2. S h eifer, V ictor J. “ T he R elation sh ip B e tw ee n C hanges in W age R e fe r e n c e s Number R ates and in H ourly E arn in gs,” Monthly Labor Review, A u gu st 1970, pp. 1 0 - 1 7 . R eprint N o . 2688. C om p ares general w age rate and hourly earnings ch an ges in 87 m anufacturing estab lish m en ts over a 7-m onth period. T he issu es raised are pertinent in any con sid eration o f the relation b etw een pack age c o st e stim a tes and actual ch an ges in hourly co m p en sation exp en d itu res. Chapter 22. W age Chronologies and Salary Trend Reports B a c k g r o u n d M ost Bureau o f Labor Statistics series show ing the m ovem ent o f m oney w ages— such as data on average hourly earnings— apply to large aggregates o f workers, e .g ., all production workers in a given manufacturing industry either nationw ide or in a particular State or local area. W age chronologies and salary trend reports, on the other hand, apply to more narrowly defined em ployee groups. Chronologies report on wage-rate changes made by specific em ployers. E xcep t for the study on Federal General Schedule em p loyees, they deal with d ev elop m ents under collective bargaining agreem ents. In all cases they report on supplem entary benefits as w ell as wage changes. Salary trend reports present and analyze changes in s a la r ie s o f s e le c t e d c a t e g o r ie s o f g o v e r n m e n t e m p lo y e e s.12In m ost instances, how ever, they do not contain separate data for individual em ployers. Both programs date back to the early post-W orld War II period. The wage chronology program was instituted in 1948 and the first salary trend report was issued in 1950. To the exten t p ossib le, material for earlier years was included in the initial reports. D e s c r ip tio n o f P r o g r a m T he fo llo w in g 32 ch ro n o lo g ies cur rently are being m aintained:2 1. Aluminum Co. of Am erica, and the United Steelworkers and the Aluminum Workers 2. American Telephone and Telegraph Co., Long Lines Dept., and the Communications Workers 3. The Anaconda Company and the United Steelworkers 4. Armour and Co. and the Meat Cutters and Butcher Workmen 5. Atlantic Richfield Co. and the Oil, Chemical and Atomic Workers 6. Berkshire Hathaway, Inc., and the Textile Workers Union of America 7. Bethlehem Steel Corp., Shipbuilding Dept, and the Marine and Shipbuilding Workers C h r o n o lo g ie s . 1 Although other B LS studies report on salary trends, they do not have this specific title. The time series in these studies are often by-products of repetitive Bureau survey activity. 2 Several chronologies have been discontinued, generally either because of fragmentation of bargaining units, declining importance, or because standardization of collective bargaining eliminated the value of more than one chronology in a given industry. 8. Bituminous Coal Mine Operators and the United Mine Workers 9. The Boeing Co. (Washington plants) and the Ma chinists 10. Commonwealth Edison Co. o f Chicago and the Electrical Workers (IB EW ) 11. Dan River, Inc. and the United Textile Workers of America 12. Federal Employees Under the General Schedule Pay System 13. Firestone Tire and Rubber Co. and B. F. Good rich Co. and the United Rubber Workers 14. FMC Corp., Chemical Group-Fiber Div. and the Tex tile Workers Union o f America 15. Ford Motor Co. and the Automobile Workers 16. Greyhound Lines, and the Amalgamated Transit Union and the Machinists 17. International Harvester Co. and the Automobile Workers 18. International Paper C o., Southern K raft D iv i sion, and the United Papermakers and the Electrical Workers (IB E W ) 19. International Shoe C o., and the U nited Shoe Workers and the Boot and Shoe Workers 20. L o ck h eed -C aliforn ia Co. and the Machinists 21. Martin Marietta Aerospace and the Automobile Work ers 22. Massachusetts Shoe Manufacturers and the United Shoe Workers 23. N ew York City Laundries and the Amalgamated Laundry Workers Joint Board (affiliated with Amal gamated Clothing Workers) 24. North Atlantic Longshore Industry and the Interna tional Longshoremen’ s Association 25. Pacific Coast Shipbuilding and various unions 26. Pacific Gas and Electric Co. and the Electrical Workers (IB E W ) 27. Pacific Longshore Industry and the International Longshoremen’ s and Warehousemen’ s Union 28. Railroads and Various Unions 29. Rockwell International (Electronics, North American Aircraft/Space Operations) and the Automobile Work ers 30. Swift & Co. and the Meat Cutters and Butcher Workmen 31. United States Steel Corp. and the United Steel workers 32. Western Union Telegraph C o., and the United Telegraph Workers and the Communications Workers E a ch c h ro n o lo g y c o v e r s eith er a sin g le w a g edeterm ination unit or a group o f closely related units. It may cover an individual com pany and union (e.g ., Ford M otor C o. and the U n ited A u tom ob ile W orkers), a single com pany and tw o unions or more (e.g ., the A lum inum C o. o f A m erica and th e U n ited S te e l workers and the Aluminum W orkers), a group o f em 167 168 BLS HANDBOOK OF METHODS ployers and single union (e .g ., N e w York City Laun dries and the Am algam ated Clothing W orkers), a gl*oup o f com panies and a group o f unions (e .g ., Pacific C oast shipbuilding com panies and a num ber o f craft unions), or a governm ental b ody (e .g ., the chronology covering Federal General Schedule em p loyees). The program is designed to sum m arize long-term w age-benefit d evelop m en ts in a variety o f industrial environm ents. A ccordingly, chronologies cover groups that (1) have existed over a period o f years; (2) are important in their ow n industry; (3) em ploy a significant number o f w orkers; (4) are o f general public interest; and (5) are willing to cooperate with the Bureau and for w hich appropriate inform ation is available. E ach ch ronology con sists o f an introductory descrip tion o f the parties involved and their co llectiv e bargain ing relationship, follow ed b y (1) a narrative syn opsis o f the co llectiv e bargaining, legislative, or adm inistrative d evelop m en ts resulting in sp ecific w age and benefit changes, and (2) a tabular sum m ary o f the changes th em selv es. E ach ch ronology con tain s separate tables show ing general w age changes and changes in benefits. A s u sed in the w age chronology program, general w age changes are defined as upward or downward changes that affect an entire unit or a substantial group o f w orkers at one tim e. E xcluded are adjustm ents in individual rates (such as prom otions, or merit or senior ity increases) and minor adjustm ents in w age structure (such as changes in individual jo b rates or incentive rates) that do not have an im m ediate and noticeable effect on the general w age lev el. B ecau se o f the om is sion o f non-general w age ch an ges, fluctuation in incen tive earnings, and other factors, the sum o f the w age changes listed in each chronology will not coincide necessarily w ith the m ovem ent o f average hourly earn ings over the sam e period. The tables generally include benefits such as guaran teed m inim um earnings, shift prem ium s, daily and w eek ly overtim e, w eek en d prem ium s, pay for holiday w ork, paid vacations and h olid ays, other paid leave p rovisions, reporting tim e, w aiting tim e, paid lunch periods, pay for travel tim e, and health, w elfare, and p en sion benefits. W hen minimum plant rates, com m on labor rates, occupational w age rates, or rates for labor grades are important in the w age structure, th ey are show n in chronological seq u en ce, parallel to the general w age changes. S a la r y T r e n d R e p o r t s . T hese reports currently are is sued for Federal G eneral Sch ed ule em p lo y ees, police and firefighters, and urban public sch ool teachers. T hey all contain in d exes o f long-term salary m ovem ents. D ata on recen t and current salary lev els also are pro vided. A report on m unicipal governm ent refuse collectors w as initiated in 1972, and although in d exes o f long-term salary m ovem ents are not yet available, salary level data and changes since 1972 are show n. Reports for p olice, firefighters, refuse collectors, and teachers basically apply to cities having 100,000 in habitants or m ore, and provide separate figures for regions and city-size groups, as w ell as overall national data. Material on individual cities, how ever, is not show n. B ecau se it deals with a single em ployee group, the report on Federal General Schedule em ployees con tains con siderab le detail on d evelop m en ts in w age structure. D a ta S o u r c e s Both w age chronologies and salary trend reports are d evelop ed primarily from published data. C ollective bargaining agreem en ts, p en sion and w elfare d o cu m ents, and new spaper and periodical articles provide the main sources o f chronology information. T hese are supplem ented by direct requests to the parties for in form ation w hen available written records are inade quate. T hus, m ost o f the information used to com pile chronologies is, in one form or another, already a mat ter o f public know ledge. In all instances, to avoid dis sem in ation o f erro n eo u s m aterial, p re-p u b lication drafts o f ch ronologies are subm itted to the parties for their review and com m ents. Salary trend reports are prepared largely from salary data collected by other groups. That for Federal G en eral Schedule em ployees is based on data published by the U .S . Civil S ervice C om m ission in its annual report on P a y S t r u c t u r e o f t h e F e d e r a l C i v i l S e r v i c e . R eports on teachers, p olice and firefighters, and ref use collectors are based mainly upon com pilations o f data for individual cities made by the N ational E duca tion A ssociation for teachers and the International City M anagem ent A ssociation for the other occupations. T hese are supplem ented by annual surveys o f salaries and working conditions conducted by the International A ssociation o f Fire Fighters and the Fraternal Order o f P olice, and by direct inquiries by the Bureau o f Labor Statistics. S ta tis tic a l P r o c e d u r e s Statistical analysis in the salary trend program is confined largely to the preparation o f indexes (excep t for refuse collectors) o f salary m ovem ents o f groups o f governm ent em p lo y ees. Sampling problem s do not arise since in each ca se an effort is made to exam ine the total universe, i.e ., all Federal General Schedule em p lo y ees, and all teach ers, firefighters, and police in cities having 100,000 inhabitants or m ore. Indexes generally are com puted by a m ethod that m inim izes the effect o f year-to-year changes in relative em ploym ents in the cities or occupational categories W AGE CHRONOLOGIES AN D SALAR Y TREND REPORTS covered . A s a rule, chain ind exes are em ployed, i.e ., the index for the current year is obtained by adjusting the index for the prior year by the percent change in average salaries over the intervening period. N orm ally, to preserve a pure m easure o f salary change, average salaries for each o f the 2 years are com puted using current-year em ploym ents as w eights. P r e s e n ta tio n a n d A n a ly s is a g e C h r o n o l o g i e s . W age c h r o n o lo g ie s are pub lished individually as B L S B ulletins and revised period ically to incorporate material resulting from new c o llec tive bargaining settlem ents and legislative or adm inis trative d evelop m en ts. B ulletins are updated after every other contract settlem ent or legislative enactm ent. In tervening develop m en ts are reported in supplem ents to existing bulletins. Thus, w hen 3-year collective bar gaining agreem ents are negotiated, a revised bulletin should be issued on ce in 6 years. W T r e n d R e p o r t s . A rticles covering developm ents for Federal General Schedule em p loyees, firefighters and p olice, and refuse collectors appear annually in C u r r e n t W a g e D e v e lo p m e n ts (C W D ). Press releases containing summary data for firefighters and police precede publication o f the articles. Salary changes for teachers are reported in biennial C W D articles, since the basic data are issued at 2-year intervals. Reprints are available o f all C W D articles. In addition, all articles issued up to the m id-1960’s have been collected and reprinted in the B L S bulletins listed in the technical references at the end o f this chapter. C hronologies are primarily listings o f w age and bene fit changes, with background material limited to de scriptions o f the co llectiv e bargaining, administrative or legislative processes leading up to the changes. Great er effort is m ade in salary trend reports to analyze the data. Background factors are presented and the wage S a la r y 169 m ovem ents are com pared with w age changes for other em ployee groups. U s e s a n d L im ita tio n s B oth wage chronologies and salary trend reports are useful as sources o f com parative w age data for union, m anagem ent, and governm ent officials engaged in wage setting, and as research tools for econom ic analysts. C hronologies are particularly useful for negotiators be cause the studies present detailed information on de velopm ents in units that frequently provide wage lead ership for their industries. M oreover, com parisons o f w age and benefit changes in such units provide valuable insights into w age setting in the A m erican econom y. In addition, the data help to explain the m ovem ents in aggregative statistics such as the Bureaus series on aver age hourly earnings.34Salary trend reports are notew or thy as one o f the relatively few sources o f data on wage m ovem ents and levels in the governm ent sector. A lthough w age chronologies describe changes in supplem entary benefits, they do not m easure the effect o f th ese changes on em ployers’ hourly labor co sts. In this con n ection , d ecision s on w hether or not to adopt a given benefit change may hinge on its co st, w hich may vary am ong bargaining units having work forces o f dif fering com position. The tem ptation m ay be to use salary trend reports as indicators o f salary m ovem ents for governm ent em p loyees in general. H ow ever, the particular groups covered by th ese reports are by no m eans a represen tative sam ple for this purpose. 3 F or ex a m p les o f the u se o f ch ron ologies b y eco n o m ists, see H arold M . L e v in so n , Postwar Movement of Prices and Wages in Manufacturing Industries, Stu dy Paper N o . 21, Stu dy o f E m p lo y m ent, G row th, and P r ice ,L ev e ls, Joint E co n o m ic C om m ittee, 86th C o n g ., 2d S e ss . (W ashington: 1960); and John E . M aher, “ A n Index o f W age R ates for S e lec ted In d u stries, 1 9 4 6 - 1 9 5 7 ,” Review of Economics and Statistics, A u gu st 1961, pp. 27 7 —282. T e c h n ic a l F Number 1. 2. Number A m o w , Philip, B lo ch , Joseph W ., and Q uant, W illis C. “ T he N e w W age C h ron ology S e r ie s,” Monthly Labor Review, D e cem b er 1948, pp. 5 8 1 -5 8 3 . D escrib es the aim s o f the chron ology series at the tim e it w a s introduced. U .S . D epartm en t o f L abor, Bureau o f L abor Statistics. 5. Direc tory of Wage Chronologies, 1948 - June 1975 (1975). L ists ch ro n o lo gies that w ere m aintained in 1975, the tim e span c o v ered , and the p la ce o f publication. 6. W ., “ Starting S alaries o f R efu se C ollectors in 123 C ities up 7 .9 p ercen t in 1974,” Current Wage Developments, D ecem b er 1975, pp. 4 2 - 6 0 . Y e a st, R ichard K ., “ T ea ch ers’ Pay R ises 13.6 p ercen t in 2 Y e a r s ,” Current Wage Developments, M arch 1975, pp. 3 9 -4 4 . T he m o st recen t annual or biennial articles on govern m en t e m p lo y e e s’ salaries. U .S . D e p a r tm en t o f L a b o r , B u rea u o f L a b o r S ta tis tic s . Salary Trends: City Public School Teachers, 1925—65 3. 4. Y e a s t , R ic h a r d K ., “ U . S . G e n e r a l S c h e d u le E m p lo y e es R e ce iv ed O ctob er 1975 Salary In crease o f 5 Per c e n t , ” Current Wage Developments, F e b r u a r y 1976, pp. 3 7 - 4 4 . B o r u m , J o a n D . , “ S ta r tin g P a y o f M e tr o p o lita n P o lic e , F irefigh ters R o se 6.5 P ercen t in 1974,” and E llis, M ilfred 7. 8. (B ulletin 1504, 1966). ___. Salary Trends: Federal Classified Employees, 1939—64 (B ulletin 1444, 1965). ___ . Salary Trends: Firemen and Policemen, 1924—64 (B u lle tin 1445, 1965). C om p ilations o f p reviou sly pu blished salary trend articles. Chapter 23. Annual Earnings and Em ploym ent Patterns of Private Nonagricultural W orkers B ack grou nd A w orker’s annual earnings from em ploym ent are an ex cellen t gauge o f econ om ic w ell-being. Annual earn ings depend on rates o f pay and hours o f em ploym ent w hich in turn are dependent on the w orker’s occupa tion, industry o f em ploym ent, and area o f em ploym ent. O ccupational w ages, or hourly or w eek ly earnings data cannot be extrapolated to annual earnings b ecau se som e w orkers are not em ployed for a full year and others m ay w ork in more than on e occupation or in more than on e industry. S in ce the late 1960’s, the Bureau o f Labor Statistics has had a program o f studies designed to provide inform ation on annual earnings from w a g es and salaries in private nonagricultural em ploym ent. T he first study, in 1964, w as lim ited to w age and salary earnings covered b y social security; subsequent studies have included data on w age and salary earnings covered under either the Social Security A ct or the Railroad R etirem ent A ct. Publications cover all years w ith the excep tion o f 1968 and 1969, w hich w ere om itted w h en program m odifications enabled more tim ely p rocessin g o f data for 1970. Rather than delay the publication o f 1970 data, the data for 1968 and 1969 w ere not p rocessed . B ulletins are issued annually with special analytical studies being published intermittantly in the M o n t h l y L a b o r R e v i e w . earnings for the private nonagricultural sector as a w h ole, for each industry division, for each major indus try group at the tw o-digit SIC level, and for selected' industry groups at the three-digit SIC level o f industry cla ssifica tio n . The data, though available only for w hite-collar and blue-collar workers com bined, are unique, because unlike annual earnings data from other sou rces, they perm it an analysis o f the distribution o f w age and salary earnings and em ploym ent patterns by industry and quarters o f em ploym ent. The studies focus separately on earnings in the indus try in w hich workers had greater earnings than in any other, and on earnings in all industries. Som e o f th ese data and so m e o f th e em p lo y m en t p attern s data, separately and w ith earnings data, also are presented for w ork ers c la ssifie d by age, race, and se x . In form ation also is provided on the inequality o f in com e distributions as m easured by Gini ind exes o f concentration. Earnings and em ploym ent patterns o f workers w ho had covered w ages and salaries in each quarter o f the year are em phasized particularly. Information about earnings and em p loym en t patterns o f four-quarter workers is the clo sest to data for workers fully attached to the private sector work force that can be obtained from the source materials. D ata on workers em ployed in any quarter o f the year m ore closely represent the experience o f all workers in the private nonagricultural sector. D e s c r ip tio n o f t h e S e r i e s S o u r c e o f D a ta The series co v ers earnings and em ploym ent patterns in the private, nonagricultural sector w hich, broadly defined, includes individuals w h o w ork for w ages and salaries in em ploym ent covered by the Social Security A ct and the Railroad R etirem ent A c t .1 E xcluded are earnings in agriculture, self-em ploym ent, and in go v ernm ent units other than th ose that participate in social security and function like private firm s, such as hospi tals and sch ools. The studies provide distributions o f m edian and mean 1 F o r a d isc u ssio n o f the interrelationsh ip o f, and jo in t coverage under, the railroad retirem en t and so cia l secu rity sy stem s, se e U .S . D epartm en t o f H ea lth , E d u cation , and W elfare, S ocial Secu rity A d m in istration, Social Security Handbook, (F ebruary 1974), and U .S . R a ilro a d R e tir e m e n t B o a r d , Handbook on Railroad Re tirement and Unemployment Insurance Systems (1975). 170 The data are develop ed by the Bureau o f Labor Statistics from statistical inform ation obtained from the Social Security Adm inistration and the Railroad R e tirem ent Board. To preserve the confidentiality o f the records, the data are provided to the Bureau o f Labor Statistics w ithout identification o f individuals or em p lo y ers. H o w e v e r , to com b in e data from variou s em ploym ents and to facilitate statistical processing, each individual and em ployer is assigned a perm anent control number, different from his social security or em ployer identification number. Each individual in the sam ple provides dem ographic information (race, sex , and year o f birth) w hen he ap plies for a social security number. Each em ployer under social security from w hom the individual receives any A N N U A L EARNINGS AN D EM PLO YM ENT PATTERNS OF PRIVATE N O N AG R IC U LTU R AL WORKERS wages or salaries during the calendar quarter reports the am ount o f the w age paym ent in the quarter; em p lo y ers c o v e r e d under railroad retirem en t report m onthly. H ow ever, em ployers cea se to report w age and salary earnings after the worker has reached his taxable earnings limit in that em ploym ent situation. E m ployers report w ages paid to the maximum annual limit under social security and to the maxium m onthly limit under the railroad retirem ent system . E m ployer reports also indicate the industry and, e x c ep t for em ploym ent covered by the Railroad Retirem ent A ct (RRA), the area in w hich the w ages or salaries w ere earned. E m ployers subject to the R RA also provide in form a tio n a b ou t th e o c c u p a tio n a l ca te g o r y the worker w as em ployed in. S a m p l e D e s i g n , a n d S a m p li n g a n d N o n s a m p l i n g V a r ia b ilit y The sam ple, w hich includes 1 percent o f all social security num bers, w as selected on the basis o f a multi stage system atic cluster sampling procedure. Social security numbers are u sed as the individual’s identifica tion num ber in both the social security and railroad retirem ent system s. An individual selected for the sam ple remains in it p erm anently.2 Since estim ates in this study are based on a sam ple, they m ay differ from cen su s figures. M oreover, the sam ple data are not adjusted to benchm ark lev els estab lished by com plete cou n ts. In addition, the data are subject to nonsam pling variability due to errors in re porting and cla ssifica tio n and other p o ssib le error sou rces, that w ould be present in a com plete enum era tion as w ell as in a sam ple. A s a result, ratios established from the sam ple data are considered to be reasonable estim ates o f th ose existing within the population as a w hole. N ev erth eless, particular care should be exer cised in interpreting m edians and percents based on relatively small num bers o f ca se s as w ell as small differ en ces b etw een figu res.3 E s t im a t in g P r o c e d u r e s To estim ate total earnings o f individuals, the Social S ecu rity A dm inistration d eterm in es the quarter in w hich the taxable limit is reached (“ limit quarter” ). 2 F or a detailed d iscu ssio n o f the sam pling proced ure, reporting criteria, and co v era g e under the social secu rity and railroad retire m ent sy stem s, se e U .S . D epartm en t o f H ealth , E du cation , and W el fare, S ocia l Secu rity A dm in istration, Workers Under Social Security, 1960 (1968) and Social Security Handbook, op. c it .; also se e Hand book on Railroad Retirement Systems, op. cit. 3 F or an indication o f the order o f m agnitude o f the sam pling errors and a fuller d iscu ssio n o f the sam pling and non sam pling variability to w h ich the series is su b ject, se e Workers Under Social Security, 1960, o p . cit. 171 Earnings in the prior quarter equal to or greater than the “ limit quarter” earnings are substituted for th ose in the “ limit quarter” and in all subsequent quarters. Limit quarter earnings, h ow ever, are used to estim ate earn ings in the limit and subsequent quarters if limit quarter earnings were higher than earnings in previous quar ters. The summation o f the quarterly earnings after these substitutions then b ecom es the estim ated annual total. W hen the taxable limit is reached in the first quarter, the Social Security Administration im putes an estim ated total. Em ployers covered by the Railroad Retirem ent A ct are required to provide information about the m onthly earnings o f each em ployee up to the maximum credita ble limit subject to Railroad R etirem ent A ct taxes. H en ce, even earnings reported at the maximum level for each month aggregated to annual totals may be substantially below the w orker’s total earnings. The Railroad Retirem ent Board, how ever, collects informa tion from em ployer records about the total annual earn ings o f a sam ple o f workers covered by the act. Factors for raising creditable com pensation under the Railroad Retirem ent A ct to total railroad earnings are derived by com paring the total earnings data for individuals col lected in the special study with the aggregated monthly earnings data for the sam e individuals. The incremental factors for workers in the sam e broad occupational categories are then averaged. The resulting factors, developed by the Railroad R etirem ent Board, are ap plied by the Bureau o f Labor Statistics to the credited m onthly earnings o f each individual by taking into ac count his occupational category.4 A n a ly s is a n d P r e s e n ta tio n The inform ation presented can be classified into four major groups. The first deals with m eans, m edians, and frequency distribution o f earnings o f workers grouped by race and sex and classified by the industry in which they received the largest part o f their annual earnings (industry o f major earnings). The second group pre sents mean and median earnings and numbers o f workers grouped by age and classified by race, sex , and industry o f major earnings. The third includes number o f work ers with various em ploym ent and dem ographic charac teristics such as region o f em ploym ent, quarters o f w ork, and number o f em ployers. The final group pro v id e s G ini in d e x e s o f c o n ce n tra tio n for w o rk ers grouped by race, sex , and industry o f major earnings. 4 A lthou gh the Railroad R etirem en t Board c o lle cts annual earnings data for a 1-percent sam p le o f w ork ers, the sam pling criteria differ from th o se used b y the S ocial Secu rity A dm inistration. T o perm it the com b in ation and integration o f data from the tw o sy stem s, the R ail road R etirem en t Board provid es the B ureau o f L abor S tatistics with data for a sam ple o f w orkers selected according to the sam ple design estab lish ed b y th e S ocial Secu rity A dm inistration. 172 BLS HAND BO O K OF METHODS Term s used in the series and the m ethods used to classify workers by industry and region o f major earn ings and the industrial classification schem e used in classifyin g nonpolicy governm ental units in scope o f the study program are described below . Information also is provided on Gini ind exes o f concentration. A n n u a l e a r n i n g s are defined as gross w ages, salaries, and other paym ents (such as b on u ses) received by em p loyees, before d ed uctions, in em ploym ent covered under the Social Security A ct or the Railroad Retire m ent A ct. Such paym ents m ay be cash , cash equiva lents, or other perquisites such as good s, clothing, board, or lodging. S elf-em p lo y m en t earnings, p aym ent for w ork in em ploym ent exclu ded from the coverage o f the acts, and paym ent for w ork in agriculture, in covered go v ernm ental units engaged in public administration and for military service have been exclu d ed from this study. M ost paym ents by em ployers to or on behalf o f em p lo y e es, or for em p lo y ees and their dependents for retirem ent, death, sick n ess or accidental disability, or m edical and hospitalization ex p en se under provisions o f a plan or system m eeting certain general criteria, and em ployer paym ents to a trust fund, such as a pension trust, exem pt from tax under the Internal R evenue C ode, are not counted as w ages in this se r ie s.56 W o r k e r s H a v i n g S o m e E a r n i n g s i n t h e I n d u s t r y . Each individual w ho earned $1 or m ore in an industry during the year is counted in each industry in w hich he had any earnings. A worker w ho had som e earnings in each o f five three-digit industries, as defined in the S t a n d a r d I n d u s t r ia l C la s s if ic a t io n M a n u a l 6 fo r ex a m p le, is counted for each o f th ese industries as w ell as in each tw o-digit industry and in each division o f w hich the three-digit industries are a part. B ecau se a worker is counted in each three-digit industry, each tw o-digit in dustry and in each division in w hich he had $1 in co v ered w age and salary earnings or m ore, the aggregate count at each level is greater than the total number o f workers at each broader industry level (two-digit, divi sion, private nonagricultural econom y). M a j o r E a r n e r s a n d I n d u s t r y o f M a j o r E a r n i n g s . To ob tain the m ost realistic picture o f the characteristics o f workers em ployed in an industry during a year it is beneficial to exclu d e data for individuals w ho w ere only 5 U n d er certain circu m stan ces tips are co u n ted as w ages for social secu rity p u rp o ses and thu s are inclu ded in the data file u sed in this stu dy series. P aym en ts to w orkers from tax exem p t trust funds are n ot co n sid ered w a g es (ex cep t for w ages paid b y the fund to its e m p lo y ee s) and thu s are ex clu d ed . E m p loyer p aym en ts to trust fun ds w h ich are not tax ex em p t a lso are ex clu d ed . D ep en d in g on their nature and p u rp ose, p ay m en ts to w ork ers from th ese funds m ay be co u n ted for so cia l secu rity p u rp oses and thus are inclu ded in the data file .— S u ch w ou ld b e th e c a se if the p aym en t w as a b on u s or vacation paym ent. F o r a m ore detailed d isc u ssio n o f c o v er ed w a g e s, se e the Social Security Hanbook, op . cit. 6 Issu ed b y the U .S . O ffice o f M anagem en t and B ud get. casually em ployed in the industry. Each em ployee-em ployer com bination within the A E E P sample has a separate and distinct record. Thus, data for an indi vidual worker, depending on his work experience, can be included for several different industries. To avoid this duplication o f data (and as a result to provide more industry specific information) workers are assigned to an “ industry o f major earnings” at the 3-digit SIC level. This industry is the one from which the worker received the largest portion o f his total w age and salary earnings. This assignm ent does not change at higher levels o f aggregation, thus preventing a worker from being iden tified as a major earner in different industries at differ ent SIC levels. An em ployer in this study is an individual, partnership, or corporation recognized under the law as a separate entity m eeting certain criteria.7 H ow ever, a firm w hich separately incorporates at each o f its loca tions may be considered a separate em ployer at each lo ca tio n . T hu s, a w orker transferred from on e to another location that is incorporated separately may have more than on e em ployer in the sam e year even though he continued to work for the sam e firm. E m p lo y e r . C la s s if ic a tio n . Em ploym ent and earnings data based on the Social Security Adm inistration’s (S S A ) d a ta file are c la s s ifie d a c c o r d in g to th e A dm inistration’s industrial classification system . This sy stem differs slightly from that p ublished in the S ta n d a r d In d u s tr ia l C la s s ific a tio n M a n u a l (SIC), and used in m ost statistical series in the assignm ent o f in dustry cod es to governm ental units. M ost statistical series classify governm ental units into SIC D ivision I-G overnm ent. The S S A , h o w ev er, cla ssifies on ly policym aking governm ental units in D ivision I. All separable nonpolicym aking units are assigned to non governm ental S SA industry classification cod e appro priate to their activity. Thus, for exam ple, all em ploy m ent with policym aking boards o f education (classified by the SSA and SIC as governm ent) has been excluded from this study. S ch ools, colleges, and other operating units covered under voluntary election provisions o f the act, h ow ever, w ere treated as service industry em ploym ent, b ecau se the units were classified by S SA into SIC 82, educational ser v ic es.8 Em ploym ent and earnings data based on the Railroad R etirem ent B oard’s file are classified into the follow ing In d u s tr ia l 7 F or d etails, se e the Social Security Handbook, op. cit. In addi tion, b e ca u se so m e w ork ers w ork for m ore than o n e em p loyer during the sam e w e ek , data sh ow in g num ber o f em p loyers should be u sed w ith caution. 8 F or d etailed in form ation , se e U . S . D epartm en t o f H ea lth , E d u ca tion , and W elfare, S ocial S ecu rity A dm in istration, Comparison of Social Security Administration and Standard Industrial Class ification Systems, 1967 (N o v . 1967) and the guid e prepared b y the A dm in istration in 1971, en titled “ Industrial C o d es in the S ocial Secu rity A dm in istration C on tin u ou s W ork H istory S am p le (C W H S ), D ata for 1957 through 1971. A N N U A L EARNING S AN D EM PLO YM ENT PATTERNS OF PRIVATE N O N AG R IC U LTU R AL WORKERS industries as defined in the S I C M a n u a l : Railroads, SIC 401; sleeping car com panies, SIC 402; express com panies, SIC 404; rental o f rail cars com pan ies, SIC 474; and oth er co m p a n ies perform ing se r v ic e s railroad transportation and certain railway labor organizations, SIC 861 and 863. In each case the assignm ent is based on the industrial classification o f the w orker’s last em ployer w ho w as covered under theRailroad Retirem ent A ct. D ata for w orkers w h o had earnings in more than one industry, all o f w hich w ere covered under the social security system or on e o f w hich w as covered under the railroad retirem ent system , are classified and presented separately and in com bination. a n d M u lti-in d u s tr y W o r k e r s . A t each lev el o f industry classification the em ploym ent experience o f each sam ple m em ber w as exam ined to see if all o f his earnings w ere in on e or m ore than one industry. T hose with earnings in m ore than on e industry w ere classified as multi-industry w orkers. This conceptual approach may be seen in the ca se o f a worker w h o w as em ployed, as illustrated b elo w , by an em ployer in each o f two three-digit industries within the sam e tw o-digit indus try. S in g le In d u s try le v e l Division A ............................................... 2- digit group, A-l ............................... 3- digit group, A-ll ............................ 3-digit group, A-12 ............................... N u m b e r o f e m p lo y e r s 2 2 1 1 o f M a j o r E a r n i n g s . The region in which workers had their major earnings is determ ined by a plurality earnings test similar to that described above in detail in “ Major earners and industry o f major earnings.’’ The region in w hich he had greater earnings than any other is his region o f major earnings. In a few ca se s, earnings in the industry and region o f major earnings m ay not coin cid e. All data for major earnings are classified first by industry and then by region. A w orker w h o earned 40 percent o f his annual w ages in industry A in the N ortheast, 30 percent in industry B in the South, and the remaining 30 percent in industry C also in the South w ould be classified as a major earner in industry A and as having had his major earnings in the South. In this series, w orkers em ployed under the Social Security A ct or the Railroad Retirem ent A ct are divided into five regions: Four cover the 50 States and the D istrict o f Columbia; the fifth includes all em ploym ent in U .S . territories, on foreign soil, or aboard ocean going v e s s e ls .9 Data in this series do not indicate w here w ages and salaries covered by the Railroad R etirem ent A ct were earned .10 T herefore, a con ven tion w as adopted ascrib ing all such em ploym ent to the N orth Central region w here many railroads and railroad-related organiza tions have their headquarters. All workers in this series have been divided into tw o groups, “ w h ite” and “ b la ck .” The white category includes all workers excep t blacks, This convention, which is different from that used in m ost statistical series, w as adopted to minim ize the effect on those groups for w hom the sample w as not sufficiently large to present data separately and to m axim ize the analyti cal u sefu lness o f the data. R a c e . Gini I n d e x e s o f C o n ce n tr a tio n Gini ind exes are a w idely used m ethod o f determining the equality o f the distribution o f incom e. This is done by com paring the cum ulative percent o f total w ages earned by a given percent o f the population with the percent o f w ages that would be earned by the popula tion if the incom e distribution w ere exactly uniform (in a uniform distribution 10 percent o f the population earns 10 percent o f the incom e; 20 percent earns 20 percent, etc.). This con cept can more easily be under stood by considering the follow ing illustrative incom e distribution: Distribution A Distribution B Population unit Income units received Cumulative percent of total in come units Income units received Cumulative percent of total in come units 1 2 3 4 5 3 3 3 3 3 20 40 60 80 100 1 2 3 4 5 6.6 19.9 39.9 66.6 100.0 Aggregate income 15 R e g io n 9 F o r all in d u stries, e x c e p t w ater transportation, em p loym en t ou t side the 50 sta tes or the D istrict o f C olum bia is on ly a sm all fraction, if a n y , o f the total num ber o f the in d u stry’s m ajor earners. 173 15 The plot o f a perfectly equal distribution (in this e x ample distribution A in the chart) yields a straight line usually referred to as the line o f equality. A distribution other than one in w hich all units receive the same in com e (distribution B) w ould result in a curve beneath this line but having the sam e end points. The Gini index provides a m easure o f the am ount o f deviation o f this curve from the line o f equality. It is calculated by e x pressing the area bounded by the curve and the line o f equality as a ratio o f the total area o f the triangle formed by the line o f equality and the X- and Y -axis. This ratio 10 E m p loym en t under the R ailroad R etirem en t A c t m akes up nearly all th e m ajor earners in the railroad industry (SIC 40) and a substantial proportion o f th o se at the all transportation lev e l, but only a v ery sm all fraction o f the total em p loym en t in other industries or at the total private nonagricultural lev e l. T h u s, the con v en tio n adop ted has a seriou s effect on the regional em p loym en t distributions and regional earnings picture at the all transportation lev el but little effect on other ind ustries or at the total private nonagricultural lev el. B L S H A N D B O O K O F M ETH O D S 174 ranges from 0 to 1, with the degree o f equality o f the distribution decreasing as the index number increases. • * ■ > , _ 4 I' ‘ ’I ^ ||§ |fg |g g § g 1 P ercent o f in co m e un its Uses and Limitations The data provide an insight into the answ er to the question: “ H ow w ell do private nonagricultural w ork ers do in their industry o f major earnings and to what extent do they supplem ent th ese earnings by em ploy ment in other private sector in d u stries.’’ Data are used in collectiv e bargaining; in formulating public policy and in making inter-industry and international com pari sons; in analyzing the distribution and diversity o f earn ings, and variations in em ploym ent patterns among in dustries, regions, and betw een workers o f different races and sex es. The data, how ever, have several substantial limita tions. Som e workers w h ose annual earnings are in cluded in the series also have earnings in self-em ploy m ent, agriculture, or em p loym en t in governm ental units excluded from the series. A s a result, these work ers appear to have low annual earnings. Probably m ost o f these workers w ere attached to the em ployed work force to a very lim ited extent. The unavailability o f data on hours or w eek s w orked or paid for, or occupa tional group (other than in railroading) seriously limits the analytic potential o f the series. The 3 - 5 years lag betw een the reference period and the date o f publica tion introduces another limiting factor. T hese delays result primarily from reporting requirem ents estab lished by the law , the adm inistrative requirements o f the collecting agencies, and the processing required to reduce the m ass o f micro data into statistical sum maries. N everth eless, since em ploym ent patterns usu ally change very slow ly and relative earnings distribu tions generally are quite com parable from year to year even though the level o f earnings m oves upward, the relationships show n are indicators o f the current situa tion. N othw ithstanding the lim itations, data from this series, unlike those from other so u rces,11 permit an analysis o f the distribution o f w age and salary earnings and em ploym ent patterns o f workers by demographic characteristics, industry, and quarters o f em ploym ent. Thus, they are uniquely useful to all concerned with the annual w age arid salary incom e o f individuals and the em ploym ent patterns o f those in the private nonagricul tural work force. 11 D issim ilarities in co n cep t or m ethod b etw een the B L S annual earnings and em p loym en t pattern series and other series m ay result in im portant d ifferen ces in sam pling and nonsam pling variability b e tw een series. T herefore, caution m ust be exercised in using data from the B L S annual earnings series in conjun ction with data from other statistical series. T he m ajor sou rces o f other annual earnings data togeth er w ith a brief explanation o f the m ost im portant difference b etw een them and the data in this series are noted b elow . The S ocial S ecu rity A dm inistration (S S A ) pu blishes som e annual earnings data by industry. T heir m ost recent report Workers Under Social Security, 1960 (1968), p rovid es statistical inform ation about em p loym en t, earn in gs, and insurance status o f w orkers under oldage, su rvivors, disab ility, and health insurance. The S S A a lso pub lish es selected sum m ary data in the Social Security Bulletin. The industry attach m en t co n cep t u sed by the S S A , h o w ever, is different from that used in this stu dy. Further, the Social S ecurity data do not include earnings in em p loym en t covered by the Railroad R etirem ent A ct. T he Railroad R etirem en t Board (R R B) annually pu blishes a “ re search and sta tistics n o te ” w h ich provides inform ation about the total railroad earnings o f railroad e m p lo y ee s. T he RRB data, h o w ev er, exclu d e earnings in em p loym en t not co v ered by the Railroad R etire m ent A ct. S om e annual earnings data at the all-industry level by occu pational group are published b y the Bureau o f the C en su s, U .S . D epartm ent o f C om m erce, in “ C on su m er In co m e ,” S eries P-60 o f the Current Popu lation Reports. T his pu b lication also p rovid es a distribution o f w age and salary earnings, at the all-industry lev e l, by sex and race. In addition average earnings by sex are presen ted for selected industry d ivision s and for a fe w m ajor industry (tw o-digit SIC ) groups. The stu d y, based on a hou seh old su rvey, d o e s not p rovide distributions o f w age and salary earnings by industry group and has different c o n cep ts o f industry attachm ent from th ose used in this study. The O ffice o f B u sin ess E co n o m ics o f the U .S . D epartm ent o f C om m erce a lso p u b lish es estim ates o f the average annual earnings o f “ fu ll- t im e e m p l o y e e s ” in its Survey of Current Business; th ese estim ates do not reflect the effect on average earnings o f w ork ers w h o w ork le s s than a full year. T e c h n ic a l R e f e r e n c e s Number 1. U . S . D e p a r tm e n t o f L a b o r, B u rea u o f L a b o r S ta tis tic s : Annual Earnings and Employment Patterns, Private Non agricultural Employment, 1964 (R eport 330, 1969). 2 . ------- Annual Earnings and Employment Patterns of Private Number Nonagricultural Employees - 1965 (B ulletin 1675, 1970). 3 . -------- Annual Earnings and Employment Patterns of Private Nonagricultural Employees, 1971 and 1972 (forthcom ing). Chapter 24. Employer Expenditures for Employee Compensation B ackground The m easurem ent o f em ployer expenditures for em ployee com pensation and the com position o f payroll hours w as undertaken by the Bureau o f Labor Statistics (B L S) to fill a large gap in the statistics o f em ployee com pensation and hours paid for. Prior to World War II, com pensation for Am erican labor con sisted mainly o f w ages and salaries for time worked or units produced. U nder the N ew D eal, h ow ever, additional paym ents w ere required under various social insurance program s, and, later, during the years o f World War II, em ployers w ere encouraged by the policies o f the War Labor Board to grant w age supple m ents instead o f w age increases, e .g ., vacations and hospitalization. Shortly after the war, the N L R B ruled that pen sion plans w ere within the purview o f co llec tively bargained agreem en ts.1 E xpenditures for these and other com pensation elem en ts, in addition to pay for working tim e, began to com prise a substantial portion o f the total com pensation o f labor. A s early as 1875 the A m erican E xpress Com pany instituted a private p en sion p lan .2 In 1929, a private study3 indicated that there w ere alm ost 400 such plans, and by 1974 there w ere over 52,000 retirem ent plans and 139,000 w elfare plans in the U .S .4 Paid vacation s and holidays also have a relatively short history for m ost w orkers. Paid vacations w ere fairly w ell established for salaried workers by the mid dle o f the nineteenth century. Industrial w orkers, h o w ever, first started to receive paid vacations around the turn o f the century, and not until after World War I did the principle o f paid vacations begin to assum e impor tance in the d evelop m en t o f labor policy; paid holidays generally w ere not found in industry until World War II, although it had been custom ary for salaried workers to receive pay for tim e not w orked on designated holidays. B y 1972, approxim ately 7 percent o f the production worker hours paid for in manufacturing industries were in la n d S teel v s. N ation al L abor R elation s B oard, 170 leave hours, alm ost all o f which were vacation and holiday hours. The im portance o f recent changes in the structure of com pensation may be illustrated by exam ining those that occurred for manufacturing production workers b etw een 1959 and 1972. During that period, pay for working time increased from $2.23 to $3.84 an hour or about 72 percent. A t the sam e tim e, em ployer expendi tures for all other elem ents o f com pensation increased from 38 cents to $1.02 an hour or about 168 percent. Thus, the relative im portance o f pay for working time decreased from 85.4 percent o f total com pensation in 1959 to 78.9 percent in 1972. The Bureau has for many years recognized the n eces sity o f studying outlays for em ployee com pensation. Early attem pts w ere limited to exploratory work on m ethodology and the availability o f d ata.5 By 1959, m ost o f the technical and conceptual problem s had been sufficiently resolved to permit the initiation o f a regular program. The first survey in the program, 1959 expenditures in manufacturing, w as follow ed by a 1960 mining study; a 1961 finance, insurance, and real estate survey; and another manufacturing industry study in 1962. The 1963 study o f expenditures for salaried (white-collar) work ers, w hich covered m ost nonagriculture industries in the private sector, represented the first shift in program em phasis from an industry to an econom y-w ide orienta tion. Since then the program has been redesigned to cover all em p loyees in the private nonfarm sector and to cover all significant item s o f em ployee com pensa tion. For 1972, a special study o f com pensation o f State governm ent em ployees was conducted and separate reports w ere issued for each S ta te.6 Similar studies for local governm ents are being considered. E ventually it is planned to expand the program to cover the entire econom y. Federal D e s c r ip t io n o f S u r v e y Reports, S eco n d S eries 247 (1948), 251 (1949). 2T his w a s the first record ed private p en sion plan in A m erica. 3L atim er, M urray W ebb. Industrial Pension Systems in the United States and Canada, (Industrial R elation s C ou n selors, In c., N e w Y o rk , 1932). 4T otal a ctiv e plans co verin g 26 em p lo y ees or m ore for w h ich d e scrip tion s had b een filed w ith the U .S . D epartm ent o f L abor by D ecem b er 3 1 ,1 9 7 4 , under th e p ro vision s o f the W elfare and P en sion Plans D isclo su re A ct, as am ended (P .L . 85-836 as am ended by P .L . . 87-420). Welfare and Pension Plan Disclosure Act, 1974 Report to Congress, U .S . D epartm en t o f L abor, L abor-M anagem ent S ervices A dm inistration. The survey relates to em ployee com pensation prac tices, em ployer expenditures arising from these pracbProblems in Measurement of Expenditures on Selected Items of Supplementary Employee Remuneration, Manufacturing Establish ments, 1953 (B L S Bull. 1186, 1956); Wage Structure: Basic Iron and Steel, January 1951 (B L S S eries 2, N o . 81, 1951); Wage Structure: Electric and Gas Utilities, September 1957 (B L S R eport 135, 1958). 6Employee Compensation in State Governments, 1972 (B L S Bull. 1899, 1976). 175 176 BLS HANDBOOK OF METHODS tices, and to all hours for w hich paym ent is made — hours w orked, paid hours o f vacation, holiday, sick leave, and civic and personal leave. The program is designed to provide data biennially for the entire private nonfarm sector; separate informa tion is given for manufacturing and nonmanufacturing industries, for all em ployees and for office and nonof fice em p loyees separately. Data are also show n sepa rately for nonoffice workers in union and nonunion establishm en ts. Survey coverage exten d s to the 50 States and the D istrict o f Colum bia. The data relate to cash disbursem ents o f em ployers for em ployee com pensation, hours w orked, and hours paid during a calendar year. D ata for a lesser period o f tim e do not com pletely reflect either the outlays made by em ployers or the number o f hours paid for. Paid leave tim e, for exam ple, usually is spread unequally throughout the calendar year; sim ilarly, expenditures for m ost o f the legally required insurance programs stop after a specified maxim um amount is earned by each worker during the year. T h ese practices result in wide variations b etw een expenditures in the early part o f the year and in the latter part o f the year. and holiday funds, severance pay funds and supplem en tal unem ploym ent benefit funds, and savings and thrift plans. P a y r o ll H o u r s The payroll hours studied are all hours for which the workers receive pay. T hese hours consist o f plant or working hours, and vacation, holiday, sick and other hours o f paid leave. Although an hour normally is de fined as 60 m inutes o f elapsed tim e, a payroll hour does not necessarily con sist o f 60 m inutes. For exam ple, hours w orked on a day that would otherw ise have been a paid holiday are paid for tw ice— on ce as a paid holi day, and on ce as working hours. T herefore, an 8-hour holiday worked, for which 16 hours o f paym ent w as m ade, is counted as 16 hours— half o f w hich are holiday hours and half are work hours. C onversely, som e hours o f leave are paid for at less than the regular rate and only the equivalent hours are counted. Each overtim e hour worked at premium rate is counted as 1 plant-hour. E s t a b li s h m e n t P o l i c i e s E x p e n d itu r e s The expenditures studied are considered to con sti tute the major elem ents o f em p loyee com pensation in Am erican industry. The expenditures, and therefore their m easurem ent, fall into three broad categories: 1. p a y m e n t s m a d e d ir e c t ly to th e w o r k e r s a n d w h ic h c o n s t it u t e th e to ta l o f th e ir g r o s s p a y r o ll; 2. l e g a lly r e q u ir e d s o c ia l i n s u r a n c e s , m a n d a te d b y t h e S t a t e a n d F e d e r a l G o v e r n m e n t s , w h ic h a r e m o s t o f t e n f i n a n c e d th r o u g h e m p lo y m e n t t a x e s ; a n d 3. e x p e n d it u r e s g e n e r a lly m a d e to th ir d p a r ty in s u r e r s o r u n io n - m a n a g e m e n t a d m in is te r e d b e n e f it f u n d s . Item s w h ich are included in the w o rk ers’ gross payroll include pay for time w orked (at straight-time and prem ium rates o f pay) and pay for time not worked such as vacations, holidays, sick leave time and time spent in court, on military leave, or for bereavem ent purposes. A lso included in gross payroll are severance paym ents and nonproduction b onu ses which do not provide retirem ent benefits. E xpenditures to finance legally required insurances include th ose for Social Security and Railroad R etire m ent ta x es, Federal and State unem ploym ent taxes, w orkers’ com pensation , and in States which require them , paym ents to finance State Tem porary D isability Insurance program s. The remaining expenditures for com pensation pro vide econom ic security for the worker and his depen dents in the face o f old age, death, disability, unem ploym ent, or ill health; or provide paid leisure time. They include m onies spent for em p loyee life, accident and health insurance plans, retirem ent program s, vacation Data on establishm ent policies give an added dim en sion to the expenditures data and are important in their ow n right. A m ong the p olicies for w hich information is collected are the kinds o f insurance provided (life, h os pitalization, m edical, etc.), w hether em ployees m ust pay part o f the co st o f their private retirem ent or insur ance coverage, and the number o f holidays and w eek s o f vacation em ployees receive. The data on establish m ent p olicies are also u sed in the review o f the expendi tures and hours data collected in the survey. D a ta S o u r c e s a n d C o lle c t io n M e t h o d s The data are obtained from annual records kept by the surveyed establishm ents. G enerally, no single re cord is sufficient and several record sources must be summarized in each establishm ent to arrive at annual totals. The data are entered by the em ployer on pre printed form s in accordance with detailed instructions. N o t all com panies keep records in the detail re quested and approxim ations in these cases may be ac cepted. In general, tw o types o f approxim ations are used. First, if the establishm ent records are kept for a broader grouping o f em p loyees than are being studied, the prorated share for the workers included in the sur vey is com puted on the basis o f em ploym ent, hours, or payroll, w hichever is m ost appropriate. S econ d , by using collateral data, estim ates are made w here records are not kept but the practice is observed. For exam ple, the expenditures for holiday pay may be approxim ated EM PLOYER EXPENDITURES FOR EM PLOYEE COMPENSATION by multiplying the number o f hours paid for holiday leave by average straight-time hourly earnings. Errors occurring from the use o f th ese approxim ations would have to be in the sam e direction in substantially all the cases (overstatem ent or understatem ent o f the actual values) to have a material effect on the accuracy o f the results. Data are collected primarily by mail, although per sonal visits are made to many o f the large em ployers and to a sam ple o f the establishm ents that have not responded to a second mailing o f the questionnaire. A questionnaire used in the expenditure study is repro duced at the end o f this chapter. S a m p li n g P r o c e d u r e The surveys are conducted on the basis o f a highly stratified probability sam ple o f establishm ents selected by industry, location, and em ploym ent size. The sam ples generaly are designed to yield reliable data for an industry division at the national lev els, in four broad econom ic regions, and for major industry groups. The lists o f establishm ents from w hich the sam ples are selected are th ose maintained by the State agencies administering the em ploym ent insurance law s. T hese lists show the em ploym ent, industry classification, and location o f all establishm ents covered by those laws in each State. Som e establishm ents in particular indus tries are exem pted from the U I law s. The data used in sampling th ese establishm ents are obtained from lists com piled by regulatory G overnm ent agencies, trade association s, and other sources. Within each industry, the sam ple is selected to yield the m ost accurate estim ates p ossib le with the resources available— the principle o f optim um allocation. This is done by including in the sam ple a greater proportion o f large estab lish m en ts than o f sm all. In general, an establishm en t’s chance o f selection is roughly propor tionate to its em ploym ent size. A subsam ple o f establishm ents failing to reply to the mail inquiries is selected to represent all nonrespon dents, follow ing the sam e general plan as is used in the original sam ple. Establishm ents in this subsam ple are visited personally, instead o f being solicited again by mail. E s t im a t in g P r o c e d u r e s • Data for each sam ple establishm ent are w eighted in accordance with the probability o f selection o f that establishm ent. In individual industry studies the selec tion is based on establishm en t size strata. F or e x am ple, a reporting unit w hich is in a stratum at which the selection probability w as set, at 1 out o f 5 establish m ents, will be given a w eight o f 5, representing itself and four other establishm ents in this sam e stratum. In 177 the biennial studies o f the entire private nonfarm sector, the probability o f selection is proportionate to estab lishm ent em ploym ent size. Thus, a reporting unit em ploying 1,000 w orkers, in a sam ple where the em ploy ment size probability base w as set at 10,000, will be given a weight o f 10, representing itself and other estab lishm ents having an aggregate em ploym ent o f 10,000 workers. U nder both procedures all establishm ents over a certain size are included. The sample o f nonrespondents for which data are collected by Bureau field representatives is weighted appropriately to represent all nonrespondents. In the event that usable data cannot be obtained from any unit visited in person, whether among the follow up o f nonrespondents or among large units often selected in the sample with certainty, its w eight is assigned to units in the sample with the m ost similar industry-sizelocation characteristics. All estim ated totals derived from such weighting pro cedures are adjusted further by the level o f total em ploym ent or paid hours for the survey year, based on data from the B ureau’s m onthly establishm ent em ploym ent statistics program. For instance, if the level of the aggregates, as derived from the weighting proce dures is 40 million in an industry class, and the corres ponding level as show n by the em ploym ent statistics program is 44 million, the totals o f the survey items would be multiplied by 1.1. The adjusted data represent all establishm en ts.7 Som e im provisation is necessary in the construction o f such annual benchmark totals. The m onthly em ploy m ent series provides data for only one pay period each m onth, and the estim ate o f annual totals is made by multiplying by the average number o f w eeks in a year (52.14). Inform ation from other sources, wherein a detailed breakdown by State or region is show n, is used as a basis for prorating the current em ploym ent (or hours) estim ates into regional aggregates. Such sources in clude the C ensus o f M anufacturers and County B usi n ess Patterns (based on Social Security establishm ent data).8 P r e s e n ta tio n The expenditure data on the individual elem ents o f com pensation are com bined to give a m easure o f total em ployee com pensation. The expenditure data for each individual elem ent and for groups o f elem ents are pre sented as a percent o f total com pensation, in cents per paid hour, and in cents per working hour. T hese mea sures are shown for all establishments, as well as for only those establishm ents that had an actual expenditure for a particular practice during the reference year. Hours 7S e e ch . 3 , “ E m p loym en t, H ou rs, and E arn in gs.’ 8U .S . D epartm ent o f C om m erce, Bureau o f the C en su s, Business Patterns (variou s years). County 178 BLS HANDBOOK OF METHODS BLS2868 Rev. Dec. 1974 O.M.B. No. 44-R1300 Approval expires: Dec. 31,1975 U .S . D E P A R T M E N T O F L A B O R B ureau o f L a b o r Statistics W ashington, D .C . 2 0 2 1 2 n r The Bureau o f Labor Statistics will hold all information furn ished by the respondent in strict confidence. C O P Y F O R Y O U R F IL E S R E T U R N T H E C O P Y W IT H T H E M A IL IN G L A B E L L ------------- Location of ufiit for which data are requested. _l EXPENDITURES FOR EMPLOYEE COMPENSATION, 1974 G entlem en : T h e Bureau o f L a b o r Statistics is conducting an im p o rta n t survey o f h o w m u ch com panies spend fo r em ployee com pensation— fo r wages and salaries and fo r program s th a t provide fo r em ployees’ h e a lth and w elfa re . Y o u r G overn m ent needs this in fo rm a tio n to aid in fo rm u la tin g econom ic p o lic y. Please help us produce the best statistics possible b y com pleting this fo rm . In fo rm a tio n fro m the survey w ill be o f value to y o u r com pany also, since it w ill enable y o u to com pare y o u r expenditures fo r em ployee com pensation w ith those m ade b y ind ustry in general. K e ep a copy o f y o u r re p o rt on the e xtra fo rm enclosed. W hen the B ureau’s report on th e survey is issued, w e w ill send y o u a copy and show y o u h o w to com pare data fo r y o u r com pany w ith the n a tio n a l averages. Y o u r re p o rt w ill be he ld in confidence b y the B ureau o f La b o r Statistics. N o th in g w ill be released relating to in d ividual com panies. Please com plete the fo rm w ith in 3 w eeks and re tu rn th e one w ith the address label in the enclosed envelope. I f y o u need assistance in com pleting the fo rm , phone the Bureau collect at A rea code 2 0 2 ,9 6 1 -4 0 1 9 o r 9 6 1 -3 7 2 5 . T h a n k y o u fo r y o u r cooperation. S incerely yours, / U L I U S S H IS K IN Com m issioner I. Company official to contact if there are questions about this report: Name and title (Please print or type) II. Area code, phone no. Units covered by this report: Is this questionnaire being completed for the unit(s) designated above? □ Yes □ No, our records make it impossible to report separately for the unit designated above. Units in addition to the one for which data are requested are included in this report. What is the principal product, service, or activity of this unit? I f you checked no, please complete item VIII. at end o f questionnaire to describe the units covered. III. Average 1974 employment in units covered by this report: Please enter the average number of employees in each category during 1974. Include full- and part-time employees. Types of employees in each category are described below. A. Office employees (1974 average) ------------------------- B. Nonoffice employees (1974 average)------------------------C. Total 1974 average employment ________________ OFFICE EMPLOYEES-Include all employees in executive, administrative, and management positions, above the working supervisor level. Also include supervisory and nonsupervisory professional employees and their technical assistants; employees engaged in office clerical operations; and all salespersons whose sales activities are primarily performed outside of the establishment (e.g., real estate salesmen and door-to-door salesmen). NONOFFICE EMPLOYEES-Include all employees, except office employees as defined above, in nonsupervisory, nonprofessional positions. Include employees engaged in fabricating, processing, or assembling; building or excavating; mining, drilling, or pumping; maintaining or repairing; shipping, receiving, handling, warehousing, padring, or trucking; retail sales; operating or working on moving vehicles (buses, boates, etc.); janitorial work; guard or watchman work; and similar activities. TOTAL EMPLOYMENT-Is the sum of office plus nonoffice employees. Proprietors, members of unincorporated firms, and unpaid family workers are not considered to be employees and are excluded from the survey. EM PLOYER EXPENDITURES FOR EM PLOYEE COMPENSATION 2 Instructions and Definitions for Specific Items on N ext Page Part IV . Lin e 1. T o ta l gross p a y r o ll- T o ta l o f wages, salaries, and oth e r paym ents m ade during 1 9 7 4 before any deductions. The am o u n t should equal wages reported on In te rn a l Reve nue Service Form s W -2 as subject to Federal w ith h o ld in g taxes, or to ta l rem u neration reported on line 11 o f IR S F o rm 9 4 0 , E m p lo y e r’s A n n u a l Federal U n e m p lo y m e n t T a x R e tu rn 1 97 4 . Lines 2 & 3 . P ay fo r ove rtim e , w eekend and h o lid a y w o rk — F o r overtim e and w eekend w o rk , re p o rt the straight-tim e pay fo r w o rk beyond the no rm a l w o rk d a y o r w o rk w e e k o n lin e 2 and the corresponding p re m iu m pay on line 3 . F o r exam ple: I f overtim e is paid at tim e and one-half, re p o rt tw o -th ird s o f to ta l overtim e cost on line 2 and one-th ird o n line 3. F o r w o rk on holidays, re p o rt straight-tim e pay fo r tim e A C T U A L L Y w o rk ed on lin e 2 and any corresponding pre m iu m on lin e 3 . Regular h o lid a y pay or “ pa y in lieu o f tim e o f f ’ should be reported o n ly on line 6 . F o r exam ple: A n em ployee w o rk ed o n a h o lid a y . H e received his regular pay fo r w o rk in g ; plus o n e -h a lf his regular pay as a p re m iu m fo r having to w o rk on a h o lid a y ; plus his n orm al h o lid a y pay. R e p o rt his regular pay fo r w ork in g on line 2 , the p re m iu m on line 3 , and the regular h o lid a y pay on line 6 . R e p o rt pa y fo r w o rk during vacation periods the same w a y , on lines 2 , 3 , and 5. Lin e 4 . S h ift diffe re n tia ls —T o ta l expenditures fo r pay above regular day-shift rates fo r w o rk on late shifts. In clu d e pay fo r hours n o t w o rk ed . F o r exam ple: I f late shift em ployees w o rk hours per day b u t receive pay fo r 8 hours, report the to ta l o f the o n e -h a lf h o u r paym ents as a shift d iffe re n tia l. IVi lin e s S-8. Pay fo r leave—R e p o rt o n ly regular leave expenses. E xclu de paym ents to unio n adm inistered vacation and h o li day funds, trustees, e tc ., and pay fo r tim e actually w o rk ed on holidays o r during vacation periods. (See overtim e ex amples above under “ Lines 2 and 3 .” ) Lin e 9 . N o n p ro d u c tio n bonuses—T o ta l a m oun t p aid fo r n o n pro d u ctio n bonuses including lum p-sum paym ents u nder p ro fit-sharing plans, and o th e r irregular or seasonal bonuses (such as attendance, Christm as, or yearend bonuses). P ro ceeds o f profit-sharing plans w h ic h are paid in to re tire m en t plans should be reported On line 17; those paid in to savings and t h r ift plans should be reported on line 2 0 . L in e 10. Severance p a y - T o ta l o f all paym ents m ade b y the establishm ent to em ployees because o f tem p o ra ry o r perm a ne n t severance o f e m p lo y m e n t. E xclu de paym ents to funds, (re p o rt these on line 1 9 ) and to pensioners under the provi sions o f pay-as-you-go pension plans (re p o rt these on line 1 7 ). Lin e 11. Social S ecurity ( F IC A ) - I n 1 9 7 4 the em p lo y er’s pa y m e n t was S.8S percent o f the firs t $ 1 3 ,2 0 0 paid each em p lo yee, o r a m a x im u m o f $ 7 7 2 .2 0 per em ployee. See IR S F o rm 9 4 1 , E m p lo y e r’s Q u a rte rly Federal T a x R e tu rn w hich y o u file d in A p ril, J u ly , and O cto b e r 1 9 7 4 ,.and January 1 9 7 5 . R e p o rt o n e -h a lf the sum o f y o u r q u a rte rly paym ents (lin e 1 4 o f the ta x fo rm s). L in e 1 2. Federal u n e m p lo y m e n t insurance ( F U T A ) —In 1 9 7 4 the e m p lo y er’s p a y m e n t was 0 .5 percent o f the firs t $ 4 ,2 0 0 paid each em ployee, o r a m a x im u m o f $21 per em ployee. See IR S F o rm 9 4 0 fo r 1 9 7 4 , lin e 2 1 . R ailroads include to ta l paym ents u nder R a ilro a d U n e m p lo y m e n t Insurance A c t. L in e 13. State u n e m p lo y m e n t insurance—In m o st states the p a ym ent was a t varying rates on the firs t $ 4 ,2 0 0 paid each em ployee. See IR S F o rm 9 4 0 fo r 1 9 7 4 , colum n 9 . L in e 14. W o rk m e n ’s com pensation and paym ents un d e r the Federal E m p lo y e r’s L ia b ility A c t—I f y o u r firm was self-in sured en ter the a m o u n t paid on w o rk m e n ’s com pensation claim s. I f an insurance p o lic y was purchased enter the pre m iu m paid fo r 1 9 7 4 . I f pa y m e n t was m ade to a S tate fu n d enter the a m o u n t o f th e p a y m e n t. Railroads should re p o rt p a y m e n ts m ade u nder the Federal E m p lo y e r’s L ia b ility A c t fo r this ite m . Lines 1 6 -2 1 . Private w elfare p la n s -N e t paym ents (a fte r de d u c tio n o f refunds, rebates, and dividends) m ade d u rin g 1 9 7 4 b y the establishm ent to funds (inc lu d in g union-m anagem ent funds), trustees, insurance com panies, and paym ents m ade under the provisions o f self-insured plans to em ployees o r th e ir beneficiaries. In clu d e paym ents fo r current em ployees, em ployees on la y o ff, re tire d em ployees, and th e ir depend ents. E xclu de em ployee contribu tions and all adm inistrative costs incurred b y th e establishm ent. A lso exclude paym ents m ade b y funds, trustees, and insurance carriers to y o u r em ployees o r th e ir beneficiaries. L in e 16. L ife , accident, and he a lth insurance plans, and union-m anagem ent adm inistered h e a lth funds—L ife , accidental dea th and dism em b e rm en t, sickness and accident, wage and salary continuance insurance, and death benefits; and ho s p ita liza tio n , surgical, m edical, d e n tal, op tic a l, and drug plans. E xclu de expenditures fo r in p la n t m edical care and visiting nurses or p h y sicians. L in e 17. Pension and re tire m en t plans, and union-m anagem ent adm inistered pension funds— D ire c t p a y m e n t to pensioners under a pay-asyou-go pension p la n , paym ents under p ro fitsharing plans deferred u n til re tire m en t, and pa y m ents fo r past and current liab ilitie s u n d e r funded plans. Party. L in e 2 2 . T o ta l num b e r o f hours paid fo r in 1 9 7 4 —T o ta l o f all em ployee hours w o rk e d , plus all em ployee hours o f paid leave. Lin e 2 3 . N u m b e r o f overtim e hours—A ll hours actually w o rk ed beyo n d th e no rm a l w o rk d a y or w o rk w e e k . Lines 2 4 -2 7 . N u m b e r o f leave hours—A ll hours o f leave fo r w h ic h em ployees are p a id , even i f the tim e o f f is n o t taken. E xam ple: A n em ployee w orks 8 hours on a h o lid a y . H e re ceives regular pay fo r 8 hours w o rk , and also receives 8 hours o f pay fo r th e h o lid a y . T h e 8 h o lid a y hours fo r w h ic h he was paid should be included on line 2 5 . T h e 8 hours actually w o rk e d on the h o lid a y should be included on line 2 3 , since these hours w ere be y o n d the n o rm a l w o rk w e e k . T h e to ta l 16 hours fo r w h ic h he was paid should be included on line 2 2 . 179 180 BLS HANDBOOK OF METHODS 3 G eneral Instructions fo r Parts I V and V B elow 1. 2. 3. 4. Please enter 1974 information for each numbered line. If there were no expenditures or hours for an item, enter “ 0.” If it is not possible to make an estimate for an item, please enter “ not available*' on the appropriate line. If your records combine data for several items, prorate the combined figure among the items to which it relates OR report the combined figure and clearly indicate to which items it relates. 5. If your records for an item combine data for office and nonoffice employees, please prorate the combined data between the two employee groups in the most appropriate manner. If it is not possible to prorate combined data, enter the total figure under office and enter “ combined*' under nonoffice. IF YOU NEED HELP, CALL THE BUREAU COLLECT AT AREA CODE 202-961-4019 OR 961-3725 Office Part TV. Total Compensation in 1974 Nonoffice $ $ Pay for overtime, weekend, and holiday work: Pay for leave: 10. Severance pay.................................................................................... 11. Employer expenditures for legally required insurance: Social Security (FICA) or railroad retirement.................................... 12. Federal (FUTA) or railroad unemployment insurance........................ 13. State unemployment insurance....................................................... 14. Workmen’s compensation and payments under Federal Employer’s Liability A ct............................................................... 15. Other, e.g., State temporary disability insurance (specify): 16. Employer expenditures for private welfare plans: Life, accident, and health insurance plans, including union-management health funds..................................................... 17. Pension and retirement plans, including union-management pension funds ........................................................................... 18. Vacation and holiday funds............................................................ 19. Severance pay and supplemental unemployment benefit funds............ 20. Savings and thrift plans.................................................................... 21. Other private welfare plans (specify): Part V. Hours Paid for in 1974 22. Total number of hours paid for in 1974 ................................................ 23. Number of overtime hours included in total........................................... 24. Number of leave hours included in total: Vacation....................................................................................... 25. Holiday ....................................................................................... 26. Sick.............................................................................................. 27. Civic and personal leave................................................................. Office Nonoffice Hours Hours EM PLO Y ER E X P E N D IT U R E S FOR EM PLO Y EE C O M PEN SA TIO N V I. 181 Establishment practices and policies: A. Plaid vacations. Report the number o f employees who received vacation pay during 1974 directly from the establishment according to the amount o f pay. Number o f em ployees receiving— No vacation pay Em ployees 1w e e k ’s 1and under 2weeks’ pay pay Under 2and under 3 weeks’ pay 3 and under 4 w eeks’ pay 4 and under 5 w eeks’ pay 5 weeks’ pay or more O f f i c e ....................................... N o n o f fic e ................................. B. Paid holidays. Enter the number o f days per employee. I f more than one practice existed for an employee group, report that which applied to the greatest number in the group. If the greatest number o f employees received no paid holidays, enter “ 0.” O ffice em p lo y ees........... ............... full d ays_ _ _ _ _ _ _ _ _ _ half days Nonoffice em ployees. . . . . . . . ...... _ full days _ _ half days C. Side leave. Did the establishment pay side leave for any— O ffice em p lo y ees. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . □ Nonoffice em ployees. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .............................. □ D. Civic and personal leave. Did the establishment pay dvic leave (military, jury, witness, voting, etc.) or personal leave (such as for death in fam ily) for any— O ffice em p lo y ees. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . □ Nonoffice em ployees..................... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . □ E. Life, accident, and health insurance plans, and union-management administered health funds. Did the establishment finance any o f the following insurance plans or funds for— L ife O ffice employees . . . . Nonoffice employees . . Sickness and accident No □ □ □ □ Hospitalization or medical Y es □ No □ Y es □ No □ Y es □ No □ Y es □ No □ Y es □ No □ Y es □ No □ Did employees pay for part o f any o f these insurance plans or funds (answer NO if payment was only for additional benefits or coverage for dependents)— L ife Office employees Nonoffice employees . . Sickness and accident H ospitalization or medical Y es □ No □ Y es □ No □ Y es □ No □ Y es □ No □ Y es □ No □ Y es □ No □ F. Pension and retirement plans or union-management administered pension funds. Did the establishment finance such a plan or fund for— yes O ffice em p lo y ees. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . _. . . . . . . . . . . . . . . . . . . □ Nonoffice em ployees. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . □ Did employees pay for part o f any o f these plans or funds (answer NO if payment was only for additional benefits) O ffice em p lo y ees. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . □ Nonoffice em ployees. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . □ G. Collective bargaining. Did union-management agreements cover a majority o f the— O ffice em p lo y ees. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Nonoffice em ployees. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . □ □ No □ □ □ □ □ □ H. Regular workweek, 1974. How many hours (e.g., 44,40, 37.5, etc.) and days (e.g., 4.5,5.0,5 .5 ) were normally worked each week by the majority o f the— hours per week and _ hours per week and . O ffice employees . . . Nonoffice employees . _ _ _ _ _ days per week _ _ _ _ _ days per week I. I f you were required to complete the U.S. Department o f Labor’s OSHA Form 103, ‘‘Occupational Injuries and Illness Survey,” please enter the figure you reported in Section III o f that form (Total Hours Worked in 1974): ............... V II. Ia the unit(s) for which you are completing this report part o f a larger company or corporate enterprise? ................... Y es No □ □ I f “ yes,” please check the appropriate box below to indicate the T O T A L EM PLO YM ENT size o f the entire company organization. V III. □ □ Under 50 em ployees 50-99 □ □ 100-249 250-499 □ □ 500-999 a 1000-2499 em ployees 2500 or m ore Units indude in report (if different from that requested in address box): I f this report relates to units in addition to the one designated at the top o f page 1, please provide the following information for each unit included in the report. Average 1974 em ploym ent Principal product, service, or activity B L S H A N D B O O K OF M ETH O D S 182 d a ta f o r w o r k in g h o u r s a n d f o r p a id l e a v e h o u r s a r e p r e s e n t e d a s a p e r c e n t o f a ll p a i d h o u r s . A . T h e e x p e n d it u r e r a tio s are c a lc u la t e d a s f o llo w s : 1. E x p e n d it u r e s a s a p e r c e n t o f to ta l c o m p e n s a t io n fo r all e s t a b l i s h m e n t s ^ A g g r e g a t e e x p e n d it u r e s fo r th e p r a c tic e A g g r e g a t e c o m p e n s a t io n in all e s t a b lis h m e n t s X 2. E x p e n d it u r e s a s a p e r c e n t o f to ta l c o m p e n s a t io n fo r e s t a b lis h m e n t s r e p o r tin g e x p e n d it u r e s = A g g r e g a t e e x p e n d it u r e s fo r th e p r a c t ic e - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -- - - - - - ;- - - - - - - - x 100 A g g r e g a t e c o m p e n s a t i o n in e s t a b lis h m e n t s r e p o r tin g e x p e n d it u r e s fo r t h e p r a c t ic e . B. T h e e x p e n d it u r e r a te s a r e c a lc u la t e d a s f o llo w s : 1. E x p e n d i t u r e s in c e n t s p e r p a i d h o u r f o r a ll e s t a b lis h m e n t s = A g g r e g a t e e x p e n d it u r e s fo r t h e p r a c t ic e 2. P a y fo r le a v e tim e ; v a c a t io n s , h o lid a y s , m is c e l l a n e o u s le a v e o f a b s e n c e , a n d p a y m e n t s to v a c a t io n a n d h o lid a y fu n d s . 3. P a y m e n t s fo r r e tir e m e n t p r o g r a m s; s o c ia l s e c u r it y a n d p r iv a te r e tir e m e n t p la n s . 4 . P a y m e n t s fo r h e a lth a n d r e la te d p r o g r a m s; lif e , a c c i d e n t , a n d h e a lth in s u r a n c e , s ic k l e a v e , a n d w o r k e r s ’ c o m p e n s a t io n . 5. P a y m e n t s fo r u n e m p lo y m e n t b e n e f it p r o g r a m s; u n e m p lo y m e n t in s u r a n c e , s e v e r a n c e p a y , a n d s e v e r a n c e p a y fu n d s a n d s u p p le m e n t a l u n e m p lo y m e n t b e n e f it fu n d s . 6. N o n p r o d u c t io n b o n u s e s . 7 . S a v in g s a n d th r ift p la n s . Data are presented on the im portance o f various types o f paid hours relative to all paid hours. Informa tion is also published on the number o f paid holidays and number o f w eek s o f paid vacation received by workers. A g g r e g a t e p a id h o u r s 2 . E x p e n d i t u r e s in c e n t s p e r h o u r o f w o r k f o r a ll e s ta b lis h m e n ts = A g g r e g a t e e x p e n d it u r e s fo r t h e p r a c t ic e A g g r e g a t e p a id h o u r s m in u s a g g r e g a te p a id l e a v e h ou rsy 3. E x p e n d it u r e s in c e n t s p e r p a id h o u r fo r e s t a b l i s h m e n t s r e p o r tin g e x p e n d i t u r e s = A g g r e g a t e e x p e n d it u r e s f o r th e p r a c t ic e A g g r e g a t e p a id h o u r s in e s t a b lis h m e n t s r e p o r tin g e x p e n d it u r e s fo r th e p r a c t ic e . 4 . E x p e n d it u r e s in c e n t s p e r p a id w o r k in g h o u r fo r e s t a b lis h m e n t s r e p o r tin g e x p e n d it u r e s = A g g r e g a t e e x p e n d it u r e s fo r th e p r a c t ic e A g g r e g a t e p a id h o u r s m in u s p a id a g g r e g a te l e a v e h o u r s in e s t a b l i s h m e n t s r e p o r tin g e x p e n d it u r e s fo r t h e p r a c t ic e . The distribution o f workers by establishm ent exp en diture ratios and rates is published, as well as the aver ages o f ratios and rates. E xpenditures also are show n by selected establishm ent characteristics such as size, com pensation lev el, unionization and, w henever p ossi ble, by region. A n a ly s is The expenditure data describing the payroll or non payroll elem en ts o f com pensation are presented in summary by this characteristic. H ow ever, the analysis o f the data is related to the benefit function o f each elem ent. Thus, for analytical purposes, elem ents o f com pensation that provide similar or interchangeable benefits are grouped together. The follow ing groups o f com pensation elem ents are studied: 1. P a y f o r w o r k in g tim e ; str a ig h t tim e p a y , a n d p r e m iu m s fo r o v e r t i m e , w e e k e n d h o l i d a y , a n d s h ift w o r k . U s e s a n d L im ita tio n s D ata from the surveys are used by em ployers in com paring their expenditure and hours practices with the averages for their industry and with th ose o f other e s tablishm ents having similar or dissim ilar characteristics (industry, size, location , union status, and average earnings levels o f w orkers). Labor and m anagem ent use the data in co llective bargaining; and G overnm ent uses the statistics in the formulation o f public p olicy, in producing estim ates o f industry output per man-hour, and in making international com parisons. They also are used in deriving estim ates o f the amount and type o f labor com pensation and the nature o f the hours for which com pensation is received by workers. A s indicated earlier, the expenditures studied com prise the significant elem ents o f em ployee com pensa tion in Am erican industry. The aggregate o f the exp en ditures studied represents total em ployee com pensa tion. It does not, how ever, represent total labor cost w hich is a more encom passing concept and includes factors such as the co st o f recruiting and training labor, the administrative exp en ses incurred in administering benefit programs, and many other expenditures result ing from the u se o f labor as a factor o f production. Som e o f these expenditures m ay be important in particular establishm ents. The expenditures and hours data are subject to both sampling and reporting errors, the precise magnitude and direction o f w hich are not known. N everth eless, the errors resulting from sampling generally are con si dered to fall within acceptable confidence ranges; and reporting errors, to have a material effect on the accu racy o f the results, would have to be in the sam e direc tion in substantially all o f the cases. 183 E M PL O Y E R E X P E N D IT U R E S FOR E M PL O Y E E C O M PE N SA T IO N T e c h n ic a l R e f e r e n c e s Num ber N u m ber 1. U .S . D e p a r tm e n t o f L a b o r , B u rea u o f L a b o r S ta tis tic s . 3. o f S u p p le m e n ta r y E m p lo y e e R e m u n e r a tio n , M a n u fa c tu r in g 2 . ----------------- P r o d u c tio n W o r k e r s in M in in g I n d u s t r i e s , 4. ------------:— E m p lo y e r E x p e n d itu r e s f o r S e l e c t e d S u p p le m e n ta r y E s ta b lis h m e n ts , 1 9 5 3 (B ulletin 1186, 1956). R e m u n e r a tio n P r a c tic e s in F in a n c e , I n s u r a n c e , a n d A stu d y o f the availab ility o f record s, w illin gn ess and ability o f industry to provide data, the quality o f expenditure data, and other m atters o f m eth od ology and definition . E s ta te I n d u s tr ie s , 1961 (B ulletin 1419, 1964). _____E m p lo y e r E x p e n d itu r e s f o r S e l e c t e d S u p p le m e n ta r y R e m u n e r a tio n P r a c t i c e s f o r P r o d u c tio n W o r k e r s in M a n u f a c tu r in g I n d u s tr ie s , 1 9 5 9 (B ulletin 1308, 1962). I960 (B ulletin 1332, 1963). P r o b le m s in M e a s u r e m e n t o f E x p e n d itu r e s o n S e l e c t e d I te m s 5 . _____________ E m p lo y e e C o m p e n s a tio n in th e P r iv a te E c o n o m y 1 972, (B ulletin 1873, 1975). Real Nonfarm 6 . _________ Baum an, A lvin , “ M easuring E m p lo y ee C om p en sa tion in U .S . In d u stry,” M o n th ly L a b o r R e v ie w , O ctob er 1970, pp. 1 7 - 2 3 . Chapter 25. The Em ploym ent C o st Index B ack grou nd The Bureau o f Labor Statistics is developing a new m easure o f the rate o f change in em p loyee com pensa tion called the E m ploym ent C ost Index (E C I).1 This effort w as initiated in respon se to a need for such a statistical series, ex p ressed with increasing frequency over the past d ecad e by governm ent policym akers. E x isting m easures, w hile adequate for specific purposes, were found to be too fragm ented, to o lim ited in co v erage, insufficiently tim ely or d etailed, or subject to the influence o f factors unrelated to the basic trend. The B ureau’s basic ob jective is to produce a tim ely and com preh en sive m easure o f changes in the price o f labor services akin to the C onsum er Price In d ex’s m easure m ent o f the m ovem en t o f prices o f consum er good s and services. A corollary requirem ent is that the major com ponents o f the m easure be capable o f separate analysis. T im eliness is important: T he change in the m easure m ust be available as so o n as p o ssib le after it has occurred, not m any m onths afterward. The m easure should be com prehensive to co v er co sts incurred by em ployers for em p loyee b enefits in addition to w ages and salaries and to en com pass all industries, occup a tions, and areas. And the m easure should be stan dardized so that it has a constant industrial, occu p a tional, and geographic co m p o sitio n , m uch like the fixed-w eight market basket o f com m odities in the C on sum er Price Index. The full develop m en t o f the ECI w ill require a period o f several years. Initially only quarterly percentage changes are being published for w ages and salaries in the private nonfarm econ om y (excluding households) and fo r s e le c t e d c o m p o n e n ts o f th e e c o n o m y . The ECI will be expanded gradually to broaden its coverage, detail, and frequency to a m onthly index o f all em p lo y ee com pensation in the econ om y as a w hole. A more detailed set o f statistics for industrial, occupa tional, and geographic com pon en ts w ill also eventually be available. In the cou rse o f d evelop ing the E C I, the Bureau 1 In its initial d ev elo p m en t, the m easu re w a s referred to as the G eneral W age In d ex. T h e term E m p loym en t C o st In dex w a s su b sti tuted a s a m ore appropriate d escrip tion . F or som e o f the sem inal thinking o n th e E C I, s e e N orm an J. S am u els, “ D e v elo p in g a G eneral W age In d e x ,” Monthly Labor Review, M arch 1971, pp. 3 - 8 . http://fraser.stlouisfed.org/ 184 Federal Reserve Bank of St. Louis obtained the ad vice o f representatives o f business and labor and con su lted the academ ic and professional statistics com m unities. E xten sive testing o f procedures preceded data collection. The suggestions received and the experience gained in testing, together with the re sources available and considerations o f what w as oper ationally feasib le, helped shape the initial survey de sign. D e s c r ip t io n o f t h e I n d e x M ajor F e a tu r e s The ECI is a m easure o f change in the price o f labor defined as com pensation per em ployee-hour w orked.2 The self-em ployed, ow ner-m anagers, and unpaid fam ily workers are excluded from coverage. The ECI is designed as a L aspeyres, fixed-w eight index at the occupational lev el, thus eliminating the effects o f em ploym ent shifts am ong occupations. The index w eights are derived from occupational em ploy m ent for ECI industries reported in the 1970 C ensus o f Population; the w eights remain fixed from period to period pending a major index revision, which is next scheduled to occur w hen the results o f the 1980 C ensus becom e available. The index is com puted from data on com pensation by occupation collected from a sam ple o f establishm ents w eighted to represent the universe o f occupations and establishm ents in the econom y. The wage and salary com ponent o f the index is represented by straight-time hourly earnings in the occupation. Straight-time earn ings are defined as total earnings before deductions, excluding prem ium paym ents for overtim e, w eek en d, and la te -sh ift w ork . E arn ings in clu d e p rod u ction b onu ses, com m ission s, and cost-of-living allow ances. They exclu d e paym ents in kind, room and board, tips, etc. T he data co llected are average w age and salary rates for the occupation, not aggregate payrolls divided by aggregate hours. Inform ation on benefits, not yet covered at the current stage o f developm ent o f the index, will be collected from the establishm ents report ing w age and salary data. 2 F or an exp an d ed d isc u ssio n o f EC I c o n c ep ts, se e V icto r J. S h eifer, “ E m p loym en t C o st In dex: a m easu re o f ch an ge in the ‘price o f la b o r ,’ ” Monthly Labor Review, July 1975, pp. 3 —12. T H E E M PL O Y M E N T COST IN D E X All earn in gs are com p u ted on an hourly b asis, w hether or not this is the actual basis o f paym ent. Earnings o f salaried em p loyees and th ose paid under incentive system s are converted to an hourly basis. B enefits will also be converted to an hourly basis when collected . Thus occupational hourly earnings plus the em ployer’s co st per hour w orked for em ployee benefits constitute the price o f labor in the ECI. Since pay rates generally pertain to the job rather than to the incum bent w orkers, the basic unit o f data collection is an occupation in an establishm ent. The occupation is com prised o f all th ose workers em ployed in jo b s cla ssified under an ECI o ccu p a tio n in the establishm ent. Thus the ECI m easures changes in rates o f pay for sp ecific jo b s, not changes in the earnings o f individual workers. W hile shifts in the typ es o f workers within the o ccu pation in a given establishm ent may affect wage m ove m ents, shifts in em ploym ent am ong occupations and esta b lish m e n ts are co n tr o lle d b y m easuring w age change for the sam e occup ation s in the sam e establish m ents and applying fixed em ploym ent w eights to the results. T he unit o f observation is standardized to a certain exten t b elow the occupational level by m ea suring only certain typ es o f labor within the occupation, e .g ., full or part tim e, incen tive or tim e rated, depending on the predom inant type. Scope The scop e o f the ECI will expand in four discrete stages: S t a g e 1. S tr a ig h t-tim e h o u r ly e a r n in g s ; p r iv a te n o n fa r m e c o n o m y e x c e p t h o u s e h o l d s ; q u a r te r ly p e r c e n t c h a n g e s ; lim it e d p u b lis h e d d e ta il (p r e s e n t s ta g e o f d e v e lo p m e n t ) . S ta g e 2. S tr a ig h t - t im e h o u r ly e a r n in g s a n d b e n e f it c o s t s ; p r iv a t e n o n fa r m e c o n o m y e x c e p t h o u s e h o ld s ; q u a r te r ly i n d e x e s ; lim it e d p u b lis h e d d e t a il. S ta g e 3. S t r a ig h t - t im e h o u r ly e a r n in g s a n d b e n e f it c o s t s ; to ta l c iv ilia n e c o n o m y ; q u a r te r ly i n d e x e s ; lim ite d p u b lis h e d d e t a il. S ta g e 4 . S t r a ig h t-tim e h o u r ly e a r n in g s a n d b e n e f it c o s t s , t o t a l c iv i l ia n e c o n o m y ; m o n t h ly i n d e x e s ; e x p a n d e d p u b lis h e d d e t a il. O c c u p a tio n a l C la s s ific a tio n e t c .) w h ic h are th e n 185 c o m b in e d in to 12 o c c u p a t i o n a l grou p s: P r o f e s s io n a l, t e c h n i c a l , a n d k in d r e d w o r k e r s M a n a g e r s a n d a d m in is tr a t o r s , e x c e p t fa rm S a le s w o r k e r s C le r ic a l a n d k in d r e d w o r k e r s C ra ft a n d k in d r e d w o r k e r s O p e r a t iv e s , e x c e p t tr a n s p o r t T r a n s p o r t e q u ip m e n t o p e r a t iv e s L a b o r e r s , e x c e p t fa r m F a r m e r s a n d fa r m m a n a g e r s F a rm la b o r e r s a n d fa r m s u p e r v is o r s S erv ice w ork ers, e x c e p t private h ou seh old P r iv a te h o u s e h o ld w o r k e r s For the ECI, the list o f 441 occupations w as modified to elim inate categories which are inappropriate for data collection purposes and in som e instances to collapse occupations into a single category. The net effect was to reduce the 441 categories to 417. Furthermore, only 9 o f the 12 occupational groups listed above w ere used in the initial w age and salary survey. Farm ers and farm managers, farm laborers and farm supervisors, and private household workers were excluded. For later stages o f developm ent o f the index, all occupational categories listed will be included. T he C e n su s o cc u p a tio n a l c la ssific a tio n sy stem m erely lists occupations and occupational categories; no definitions are provided. For data collection pur p o s e s , d e fin itio n s o f th e o c c u p a tio n s h ave b een d ev elo p ed .4 The occupations surveyed differ from industry to industry and from establishm ent to establishm ent, al though in sum they represent the board spectrum o f occupations in the private nonfarm econom y. Industrial C la s s ific a tio n T he E C I cu rren tly c o v e r s all p riv a te nonfarm establishm ents classified in major industry divisions B through H defined in the 1967 edition o f the S t a n d a r d I n d u s t r i a l C l a s s i f i c a t i o n M a n u a l (SIC), with the ex cep tion o f private h ouseholds. Published data are limited to the five major divisions o f contract construction; man ufacturing; w h olesale and retail trade; transportation, com m unication, electric, gas, and sanitary services; and services, excep t private household s, because the sam ple size is insufficient to support separate publica tion for mining, and finance, insurance, and real estate at this tim e. N o minimum establishm ent size cu toff is used. The ECI occupational classification system is based on the classification system u sed to co llect data for the 1970 C ensus o f P opulation.3 T he C ensus system cla ss ifies all occup ation s reported into 441 3-digit occupa tional categories (such as A ccountant, Stockhandler, The com pensation data from w hich the ECI is com puted are obtained quarterly from a sam ple o f about 3 Classified Index of Industries and Occupations, 1970 Census of Population, (Bureau o f the C en su s, 1971). 4 Employment Cost Index: Occupational Classification System Manual (Bureau o f L abor S tatistics, January 1975). D a ta S o u r c e s a n d C o l le c t io n M e t h o d s 186 B L S H A N D B O O K O F M E TH O D S 2,000 establishm ents and from a sam ple o f occupations within th ese establishm ents. O ccupational em ploym ent data for sam ple selection and w eighting w ere also co l le c te d for the su r v e y o c c u p a tio n s in th e sam p le establishm ents and in about 8,000 additional establish m ents from a larger sam pling frame. The index w eights w ere derived from occupational em ploym ent figures reported in the 1970 C ensus o f Population. Data collection is initiated by a B L S field repre sentative with an initial visit to the survey reporting unit.5 Quarterly reports thereafter are normally co l lected by mail or teleph on e to the B L S regional office. The purpose o f the initial visit are: to introduce the program and obtain cooperation; to determ ine the or ganizational unit or units for establishm ent coverage; to perform jo b m atches; to d ev elo p establishm ent re porting procedures; and to com plete the first schedule. A major task in the initial con tact is job m atching, that is, determ ining the jo b s and w orkers in the establish ment that m atch the occupation as defined for the sur vey. The job match and resulting em ploym ent figures are carefully docum ented on B L S form 3038 A, which also contains basic inform ation about the establish ment. The establishm en t’s reporting procedures are also recorded on B L S Form 3038 A. The preferred reporting arrangement is to have the establishm ent report the straight-time average hourly rate for each m atched o c cupation. W hen this is not p ossib le, the establishm ent may (1) report hourly rates, or hours and earnings, for each worker in a m atched occupation (or provide com parable payroll records), placing the burden o f com put ing the occupation average hourly rate on the B L S regional office; (2) report earnings detail for a sample o f workers in all com pany jo b s w hich m atch an ECI o ccu pation; or (3) report earnings detail for a l l workers in a sample o f com pany job s w hich match a single ECI occupation. O ptions 2 and 3 reduce the burden o f re porting where the number o f incum bents or job s is too large for efficient reporting. In p ractice, options 2 and 3 are seldom used. Other determ inations w hich are made at the tim e o f in itia l c o lle c t io n are th e c h a r a c te r is t ic s o f th e occupation s— w hether the majority o f incum bents are full or part tim e, tim e or incentive w orkers, or covered by co llectiv e bargaining agreem ents. This information is also recorded on B L S Form 3038 A. The wage data are co llected on B L S Form 3038 B. (See p. 184). This form is used as a shuttle and is sent back to the respondent for addition o f new data every quarter. T he survey m onths are M arch, June, Septem ber, and D ecem ber; the data pertain to the pay period which includes the 12th o f the month. 5 T he co lle ctio n m eth od s d escrib ed h ere relate to the on goin g w age and salary su rv ey in the private nonfarm e co n o m y . P roced ures for c o llectin g data o n ben efit c o sts and th e agricultural, h o u seh old , and g o vern m en t secto rs are still bein g d e v elo p ed . The information on forms 3038A am! 3038B is cod ed , keypunched, and transmitted to the " -^eau’s W ashing ton office for editing; questionable is are verified, and the data are made ready for com putation. T h e S u r v e y D e sig n Planning for the ECI survey involved tl considera tion o f alternative designs within the overall budgetary constraint. Som e o f the major elem ents entering into these considerations were the basic ECi products de sired, the availability o f data, and requirem ents to as sure statistically reliable estim ates. Other elem ents considered w ere the efficien cy o f alternative collection procedures and the probable degree o f cooperation from respondents. K ey factors in the ultimate ch oice o f a survey design were the im portance attached to obtaining initial data by personal visit, the availability o f C ensus data on occupational em ploym ent am ong industries, and test results show ing that respondents w ere more responsive to furnishing occupational w age data than wage data for individual em ployees. The interaction o f all the above planning considera tions and test results led to the adoption o f a survey design with the follow ing features: a. S e l e c t io n o f a s e t o f s a m p le o c c u p a t i o n s b y in d u s tr y b a s e d o n th e 1970 C e n s u s o c c u p a t io n a l e m p lo y m e n t d is t r ib u tio n s . b . S a m p lin g in t w o p h a s e s . T h e fir s t p h a s e c o n s i s t e d o f a b o u t 1 0 ,0 0 0 e m p l o y i n g u n i t s , t h e s e c o n d p h a s e o f a b o u t 2 ,2 0 0 . C o l l e c t io n o f e m p lo y m e n t d a ta fo r th e s e l e c t e d o c c u p a t i o n s in (a ) w a s u n d e r ta k e n in th e fir s t p h a s e . H o w e v e r , m a x im u m u s e w a s m a d e o f a v a il a b le d a ta fr o m B L S O c c u p a t io n a l E m p lo y m e n t S u r v e y s w h e r e v e r fe a s ib le . c . A t w o - w a y c o n t r o lle d s e l e c t i o n 6 o f s a m p le e s t a b l i s h m e n t s a n d o c c u p a t i o n s in th e s e c o n d p h a s e o f s a m p lin g a s d i s c u s s e d in t h e f o l l o w i n g s e c t i o n . T h e r e s u ltin g s a m p le w a s u s e d f o r w a g e c o ll e c t i o n p u r p o s e s . d . D a ta c o l l e c t i o n in th e fir s t p h a s e b y m ail s u r v e y , in th e s e c o n d p h a s e b y in itia l p e r s o n a l v i s i t a n d b y m a il o r t e le p h o n e t h e r e a f t e r . S a m p lin g S e le c t io n o f S a m p lin g U n its Phase I occupations were selected from em ploym ent data provided by the 1970 C ensus o f Population. An average o f 23 occupations was selected for each o f 62 SIC industry groups, generally at the 2-digit SIC level. Five o f the occupations— th ose with the largest indus try em ploym ent— w ere selected with certainty; tw o o c cupations w ere selected by sampling within each o f nine major occupational groups within the industry. 6 R. G ood m an and L. K ish , “ C on trolled S e lec tio n , A T ech niqu e in P r o b a b ility S a m p lin g ,” Journal of the American Statistical Association, V ol. 45, 1950, pp. 3 5 0 - 7 2 . BLS 3 0 3 8 B M arch 1975 U .S. D E P A R T M E N T O F L A B O R Bureau o f Labo r Statistics Establishm ent nam e _ ECI W AGE D A T A FO R M □□ Line no. BLS occ. , 197 _ Id en tification o f survey occupations, com pany jobs, or individuals fo r w hom wage in form ation is being reported on each line code H o urly rate (l) (2 ) 1 R i Hours and earnings i (3 ) N um ber o f workers per line (4 ) 1 3 4 5 6 7 8 9 10 11 12 TH E E M PL O Y M E N T COST IN D E X 2 13 14 15 16 17 18 19 20 Please use the back page o f this form to explain significant earnings changes (i.e., decreases or large increases in the average rate o f pay fo r an occupation) from one reporting period to the next. 00 188 BLS HANDBOOK OF METHODS The 18 occup ation s selected by sam pling, together w ith the 5 certainty occup ation s, w ere then used as the 23 sam ple occupations in the first phase o f data co llec tion. The n ecessary factors for sam ple weighting were also obtained from this sam pling activity. Phase I establishm ents w ere a subsam ple o f 10,000 from a p ro b a b ility sa m p le o f 2 0 0 ,0 0 0 p r e v io u sly selected for the 1972 O ccupational Safety and Health (O SH ) Survey. The latter sam ple w as derived from a frame o f about 4,000,000 reporting units covered by the unem p loym en t insu ran ce program s o f each o f the States. G enerally, in m anufacturing industries the re porting unit and the establishm ent are identical; in nonm anufacturing the reporting unit is a com bined one for establishm ents w ith com m on activity in a county. T he selectio n o f the 10,000 P hase I units w as a probability-proportional-to-size (PPS) procedure ap plied to a 3-digit SIC industry classification o f reporting units by em ploym ent size from the 1972 O SH file. The initial file u sed for ECI w as not a com plete universe, and a supplem entary probability procedure w as used to assure that the final ECI sam ple represented the entire frame o f all units in the U nited States within the survey scop e. A m atch o f the 10,000 Phase I units w as made w ith the O ccupational E m ploym ent S urvey file. A bout 1,000 com m on units w ere found for w hich no n ew data on occupational em ploym ent w ere sought. Each o f the remaining units w as sent a schedule w ith the 23 occupa tions for the respective industry and w as asked to pro vide em ploym ent counts by occupation. T hese data w ere edited and u sed in the Phase II sam ple selection. W here a unit w as m atched from the O E S survey, OES data w ere com piled and structured to fit the ECI o ccu pational categories. W hen a sam ple unit did not re spond, data w ere imputed using average data from a com parable group o f reporting units, usually at the 3-digit SIC lev el. The occupational data w ere then w eigh ted, using w eights derived from the overall Phase I PPS selectio n procedures. Phase II o f the double sam pling procedure led to the final sam ple o f about 2,200 establishm ents and the iden tification o f the final set o f specific occupations sampled within each establishm ent. The m ethod o f sampling em ployed in the second phase used a PPS procedure and adopted a principle first suggested by L ahiri.7 The principle w as used w ith a single selection o f establish m ents for each o f 23 occup ation s join tly using a tw ow ay controlled selection procedure. The general objec tive is to selec t establishm ents so that: a. There is joint probability selection of establishments for all 23 detailed occupations in a given subindustry; b. The number of selected sample occupations in an establishment is consistent with the expected number from an optimum allocation of the sample and condition- 7 D .B . L ahiri, “ A M eth od o f S am p le S e lec tio n Providing U n b ia se d R a tio E s tim a te s ” , Bulletin of International Statistical Institute, v o l. 33, Pt. II, D e cem b er 1951, pp. 1 3 3 -4 0 . al o n t h e r e la t iv e w e ig h t e d e m p lo y m e n t a m o n g P h a s e I s a m p le u n its ; a n d c . T h e n u m b e r o f e s t a b l i s h m e n t s to b e a s k e d to p r o v id e in f o r m a t io n o n e a c h s a m p le o c c u p a t io n is c o n s i s t e n t w it h t h e o v e r a ll s u r v e y d e s ig n p la n ; i . e . , a b o u t 2 ,2 0 0 . The single selection o f establishm ents for each o f the 23 o cc u p a tio n s in ev e r y o n e o f th e 62 in d u stries w as carried out in a series o f steps. In the first step, the w eighted em ploym ent data from the Phase I survey w ere converted to relative m easures o f size within each occupation, with the sum o f all such m easures in an occupation across establishm ents equal to 1.00. For exam ple, if w eighted em ploym ent in an establishm ent represented 1.3 percent o f total em ploy ment for the occupation, the relative measure o f size would be 0.013. The next step identified the maximum relative m ea sure o f size for each establishm ent, that is, the largest o f all th e o c c u p a tio n a l r e la tiv e m e a su r e s fo r th at estab lish m en t. T h ese m axim um relative m easures ranged from a very small fraction to 1, the latter repre senting an establishm ent which em ployed all o f the workers in a given occupation in the industry. The third step used the maximum relative m easure o f size to select Phase II establishm ents. To do this the data on the maxim um relatives w ere cum ulated su cce s sively across establishm ents to provide a basis for sy s tem atic PPS selection. In order to carry out the PPS selection it was n ecessary to determ ine the expected num ber o f sam ple establishm en ts in the particular industry by using the ratio o f Phase I establishm ents in the c e ll to th e total num ber in all c e lls m ulti plied by the overall Phase II sam ple size. The PPS system atic interval for a cell w as calculated as the sum o f the maxim um relative m easures o f size divided by the exp ected number o f Phase II sample establishm ents. The PPS selection w as then carried out using a random start and su ccessiv e multiples o f the sampling interval. A s a result o f this step, the actual Phase II establish m ents w ere selected . A lso identified were the sample occupations with the m axim um relative m easure o f size for each o f the selected establishm ents. The fourth step used the data on relative m easures o f size fo r ih e occupations in the Phase II establishm ents (selected in the third step) in a tw o-w ay controlled selec tio n m eth od to d eterm in e w h ich occu p a tio n s would be in the sam ple for each establishm ent. This step involved converting the occupational relative m ea su re o f s iz e in to r a tio s r e la tiv e to th e sa m p le establishm ent’s maxim um relative m easure o f size, and su m m in g th e r a tio s fo r e a c h o c c u p a tio n a c r o s s establishm ents in the cell and for all survey occupations in each establishm ent. The form er sum indicates the exp ected number o f establishm ents for a given occupa tion that w ould be provided by a single pattern o f twow ay controlled selection; the latter indicates the e x pected number o f occupations for a given establishm ent provided by a single pattern. In tw o-w ay controlled selection, the occupational ratios are used with con straints on achieving both sets o f exp ected numbers 189 THE EMPLOYMENT COST IN D EX sim ultaneously. Various single-w ay patterns are used to select sets o f establishm ents and occupations. The fourth step o f the sam ple design w as execu ted by use o f a com puter program d evelop ed for the tw o-w ay controlled selection. The process o f selection required multiple patterns in order to ach ieve the goal o f b etw een 7 and 12 occup ation s for w hich periodic reports would be required from each sam ple establishm ent. t io n a l g r o u p , in d u s t r y , g e o g r a p h ic lo c a t i o n , a n d m e t r o p o lit a n a r e a a n d u n io n s t a t u s . b . E m p lo y m e n t , in 1 9 7 0 , fo r th e 3 -d ig it c e n s u s c o d e o c c u p a t io n s in an in d u s tr y c e l l , o b t a in e d fr o m t h e d e c e n n ia l cen su s. c . S a m p le w e ig h t s d e r iv e d fo r e a c h e s t a b lis h m e n t o c c u p a t i o n fr o m t h e p r io r P h a s e I o c c u p a t io n a l e m p l o y m e n t s u r v e y o r t h e in itia l e m p l o y m e n t r e p o r t e d o n th e s u r v e y s c h e d u le . The ind ex com putation in v o lv es essen tia lly fiv e steps: S a m p l e R o t a t io n Current plans are to build sam ple rotation into the ECI program. Only very large establishm ents w ould be ex clu d ed from the rotation sch em e. T he c y c le o f sam p le ro ta tio n h as n o t y e t b een e sta b lish e d , but a 3- to 5 -y e a r r o ta tio n p la n is u n d er c o n sideration. I n d e x C o m p u t a t io n The basic com putational fram ework is the standard form ula for a p rice-typ e in d ex num ber w ith fixed w eights as m odified by the special statistical conditions w hich apply to the E C I.8 This form ula (sim plified for illustrative purposes) sh o w s the fixed em ploym ent w eights applied to com pensation over the index com pu tation periods as: S j° i w h e re x i R t = ZjOj x * and I is the sym bol for the index, R represents a ratio o f wage bills, Xj is the sym bol for average occupational com pensation (initially straight-time pay) in time t, and 0 is the sym bol for occupational weight. Further amp lifying this formula, the wage bill relative Rt is obtained by summing w eighted occupational earnings across o c cupation within major occupational groups, major o c cupational groups within industries and, then the 62 SIC industry groups. This operation is exp ressed as: 1. E s t a b lis h m e n t - o c c u p a t io n s a m p le w e ig h t s a r e a p p lie d t o t h e o c c u p a t io n a l e a r n in g s to o b ta in w e ig h t e d a v e r a g e e a r n in g s f o r e a c h o c c u p a t io n in e a c h o f t h e 62 S I C in d u s tr y c e l l s fo r th e c u r r e n t a n d p r e c e d in g s u r v e y p e r i o d s . 9 2. T h e s e w e ig h t e d a v e r a g e e a r n in g s a r e m u ltip lie d b y b a s e w e ig h t p e r io d e m p lo y m e n t fr o m th e d e c e n n ia l c e n s u s to o b t a in w a g e b ills f o r e a c h o c c u p a t io n - in d u s t r y c e ll fo r t h e s u r v e y p e r io d s . 3 . T h e w a g e b ills a r e s u m m e d a c r o s s all c e l l s to o b ta in to ta l w a g e b ills f o r t h e s u r v e y p e r io d s . 4 . T h e a g g r e g a te w a g e b ill fo r th e c u r r e n t s u r v e y p e r io d is d iv id e d b y th e w a g e b ill f o r t h e p r io r p e r io d to o b ta in r a t io s . 5. I n it ia lly , th e r a t io s a re c o n v e r t e d t o q u a r te r ly p e r c e n ta g e c h a n g e s . E v e n t u a lly , t h e r a tio s w ill s e r v e a s lin k r e la t iv e s to m o v e t h e in d e x fr o m q u a r te r to q u a r te r . The exam ple show n to illustrate these steps uses hypothetical data attributed to an econom y consisting o f three establishm ents em ploying workers in tw o o c cupations, for the survey periods o f Septem ber 1975, D ecem ber 1975, and March 1976. The com putations for the occupational groups and industry d iv isio n s, fo llo w the sam e p rocedu res as those for the overall ind exes excep t for the summation. The w age bills for the occupational group are summed acro ss ind u stries and region s for each group; the w age b ills for the industry d iv isio n s are sum m ed a cr o ss o cc u p a tio n a l grou p s and reg io n s for each industry division. C om putation p rocedu res for the region s, unionnonunion and m etropolitan-nonm etropolitan area in d e x e s are identical to th e se for the overall index excep t that the establishm ent occupational rates are cla ssified accord in g to region , union -n onu n ion or m etropolitan-nonm etropolitan area status for separate com putations. Zk Sh SjOjXj_ Rt “ 2 k S b S j O j X* 1 w here k represents the SIC, h is the major occupa tional group, and j the C ensus occupation. All ind exes are com puted from the follow ing data: a. A v e r a g e s tr a ig h t-tim e h o u r ly e a r n in g s fo r 3 -d ig it c e n s u s c o d e o c c u p a t i o n s in th e s a m p le o f m a t c h e d e s t a b l i s h m e n ts in th e c u r r e n t a n d p r e v io u s s u r v e y p e r io d s . T h e o c c u p a t io n a l w a g e d a ta a re id e n t if ie d b y m a jo r o c c u p a - P r e s e n ta tio n T h e EC I is p u b lish e d q u arterly in th e sec o n d month after the survey period. For exam ple, percentage ch a n g es com p u ted from the su rv ey data for June p ub lish ed in A u gu st. T he relea se sum m arizes the 9 In certain lim ited circu m stan ces, w h en occu pational w age data for estab lish m en ts are not reported in the current su rvey period , the 8 In actual p ractice, the EC I com putational form ulas and p roce last reported data are projected forw ard by the average p ercen t ch an ge in occu p ation al w age data for the sam e occu p ation reported dures differ som ew h at from th ose p resen ted h ere, w h ich h ave been b y other sam p le estab lish m en ts in the cell. T he projected w a g e data sim plified and stream lined for illustrative p u rp oses. This idealized are im puted to the nonreporting estab lish m en t for the current su rvey explanation a lso anticip ates the com p u tation o f in d ex es, not sim ply Digitized forpercentage FRASER ch an ges. period. BLS HANDBOOK OF METHODS 190 Illustrative Index Computation S te p 1: E s t a b l i s h m e n t - o c c u p a t i o n s a m p le w e i g h t s a r e a p p l i e d to t h e o c c u p a t i o n a l e a r n in g s fo r e a c h o c c u p a tio n in e a c h o f t h e 6 2 S IC in d u s try c e lls fo r th e s u rv e y p e rio d s : to o b t a in w e ig h t e d a v e ra g e e a r n in g s S a m p le w e ig h t S a m p le o c c u p a tio n E s t a b lis h m e n t 2 ............................ E s t a b lis h m e n t 3 ............................ S e p t. Dec. M a r. (1 ) (2 ) (3 ) $ 5 .3 0 5 .2 0 5 .1 6 $ 5 .3 1 5 .2 2 5 .1 8 * $ 5 .4 0 5 .3 8 ** T o t a l ...................................... W e ig h te d a v e r a g e . . . . 4 .9 0 4 .9 0 4 .8 6 4 .8 9 * 4 .8 0 4 .8 6 4 .9 4 4 .9 4 ** T o ta l ...................................... W e ig h t e d a v e r a g e (4> S e p t. (1 ) x 1 .0 2 .0 3 .0 6 .0 C a rp e n te rs : E s t a b lis h m e n t 1 ............................ E s t a b lis h m e n t 2 ............................ E s t a b lis h m e n t 3 ............................ a v e r a g e e a r n in g s C o m p u ta tio n o f S t r a i g h t - t i m e h o u rly e a r n in g s E le c t r ic ia n s : E s t a b lis h m e n t 1 ............................ w e ig h te d 1 .5 2 .5 Dec. (4 ) $ 5 .3 0 1 0 .4 0 1 5 .4 8 3 1 .1 8 5 .1 9 6 M a r. (2 ) x (4 ) (a ) $ 5 .3 1 1 0 .4 4 1 5 .5 4 (3 ) x (b ) $ 5 .3 1 1 0 .4 4 ** 3 1 .2 9 5 .2 1 5 1 5 .7 5 5 .2 5 0 (4 ) $ 5 .4 0 1 0 .7 6 ** 1 6 .1 6 5 .3 8 7 7 .3 5 7 .3 5 7 .3 5 7 .4 1 1 2 .1 5 3 .5 1 2 .0 0 1 7 .0 1 1 7 .1 2 1 2 .1 5 ** 1 2 .3 5 ** 7 .5 3 6 .3 6 3 6 .6 2 1 8 .6 5 1 9 .7 6 4 .9 4 0 .... 4 .8 4 8 4 .8 8 3 4 .8 7 5 NOTE: Asterisk (*) indicates imputed data. Two asterisks indicate that Establishment 3, classified as a temporary nonrespondent in December, is a dropout in March. In (a) imputed data from Establishment 3 are used in calculation; in (b) only data from Establishments 1 and 2 are used. S te p 2 : T h e s e w e ig h t e d a v e ra g e e a r n in g s a re m u lt ip lie d by b a s e w e ig h t p e rio d e m p lo y m e n t fro m th e d e c e n n ia l c e n s u s to o b t a in w a g e b ills fo r e a c h o c c u p a tio n - in d u s t r y c e ll fo r t h e s u rv e y perio d s-. O c c u p a tio n a l w e ig h t — W e ig h te d a v e ra g e e a r n in g s W a g e b ills 1 9 7 0 c e n s u s e m p lo y - S a m p le o c c u p a tio n M a r. m ent ( i) (2 a ) D e c. (2 b ) (3 ) (4 ) S e p t. (1 ) X (4 ) E l e c t r i c i a n s .............................................. $ 5 ,1 9 6 $ 5 ,2 1 5 $ 5 ,2 5 0 $ 5 ,3 8 7 3 ,0 0 0 $ 1 5 ,5 8 8 $ 1 5 ,6 4 5 $ 1 5 ,7 5 0 $ 1 6 ,1 6 1 C a r p e n t e r s ................................................ 4 .8 4 8 4 .8 8 3 4 .8 7 5 4 .9 4 0 2 ,0 0 0 9 ,6 9 6 9 ,7 7 6 9 ,7 5 0 9 ,8 8 0 2 5 ,2 8 4 2 5 ,4 2 1 2 5 ,5 0 0 2 6 ,0 4 1 S e p t. T o t a l w a g e b il l, c r a f t a n d k in d r e d w o rk e rs , In d u s t r y 1 .............. (2 a ) x D e c. (4 ) ( 2 b ) x ( 4 ) NOTE: Col. (2a) includes imputed figures from Establishment 3 (see step 1); Col. (2b) excludes Establishment 3. S te p 3 : T h e w a g e b ills a r e s u m m e d a c r o s s a ll c e lls to o b t a in t o t a l w a g e b ills fo r t h e s u rv e y p e rio d s : W a g e b ills In d u s tr y D ec. S e p t. 1 .......................................................................... M a r. a) (2 a ) (2 b ) (3 ) $ 2 5 ,2 8 4 $ 2 5 ,4 2 1 $ 2 5 ,5 0 0 $ 2 6 ,0 4 1 2 8 5 ,1 2 5 2 8 7 ,3 4 5 2 8 7 ,6 5 0 2 9 1 ,6 0 0 6 2 ....................................................................... T o t a l ............................................. S te p 4 : T h e a g g r e g a t e w a g e b ill f o r th e c u r r e n t s u rv e y p e rio d is d iv id e d b y t h e w a g e b ill fo r t h e p r io r p e rio d to o b t a in r a tio s : D ecem ber = M a rc h S te p 5 : 2 8 5 ,1 2 5 = 1 .0 0 7 8 = 2 9 1 , 6 0 0 -*• 2 8 7 , 6 5 0 = 2 8 7 ,3 4 5 * 1 .0 1 3 7 T h e r a t io s a r e c o n v e r te d to q u a r t e r ly p e r c e n ta g e c h a n g e s : D ecem ber = 0 . 7 8 p e rc e n t M a rc h = 1 . 3 7 p e rc e n t E v e n tu a lly , t h e r a t io s w ill s e rv e a s lin k r e la t iv e s to m o ve th e in d e x fro m q u a r t e r to q u a r t e r : S e p te m b e r in d e x = 1 0 0 .0 0 D e c e m b e r in d e x M a r c h in d e x 1 0 0 .0 0 x 1 .0 0 7 8 = 1 0 0 .7 8 1 0 0 .7 8 x 1 .0 1 3 7 = 1 0 2 .1 6 = = M a r. (3 ) x (4 ) THE EMPLOYMENT COST IN D EX k ey trends, presents the tabulations, and contains a technical descriptive note. U s e s a n d L im it a t io n s The E m ploym ent C ost Index will provide for the first tim e, a com prehensive and tim ely m easure o f changes in the rate o f em ploym ent com pensation , free o f much o f the influence o f em ploym ent shifts. Such a m easure may be esp ecially useful for understanding and explain ing trends in com pensation , forecasting such trends, and relating them to other econ om ic variables. In addi tion, it m ay be o f u se in the form ation o f w age d ecisions by parties to co llectiv e bargaining and in contract cost escalation , as w ell as for th ose presently unforeseen u ses w hich inevitably arise from the ingenuity o f the users. The ECI is not, h ow ever, intended as a substitute for existing m easures o f com pensation , all o f w hich are useful for their p urposes. In many instances, it may com plem ent or illum inate existin g statistical series. The lim itations o f the index m ust be kept in mind. B ecau se the ECI is an ind ex, it m easures changes rather 191 than levels o f com pensation. Further, the index is not a m easure o f the total co st o f em ploying labor. N o t all labor co sts (e.g ., training ex p en ses, retroactive pay, etc.) fall under the E m ploym ent C ost Index definition o f com pensation; m oreover, total em ploym ent costs vary with the am ounts and typ es o f labor used—factors which are held constant in the Em ploym ent C ost Index. In its initial stages the ECI will not cover all em ployers and em p loyees and all com pensation; ultim ately this lim itation will be elim inated. Finally, the index is not a pure rate m easure. A lthough straight-time hourly earn ings provide a clo se approxim ation o f the rate and the E m p lo y m en t C o st In dex is d esig n ed to elim in ate em ploym ent shifts am ong establishm ents, industries, and occup ation s, em ploym ent shifts within the occupa tions and longevity pay increases will influence the level o f earnings reported by the respondent. Som e o f th ese lim itations are temporary; som e are built into the conceptual fram ework o f the measure; and others stem from d eficiencies in the state o f the art o f m easurem ent w hich will be resolved in time with re search and im provem ents in technique. T e c h n ic a l R e f e r e n c e s Number 1. 2. 3. G o lo n k a , T h eo d o re J ., and S tein b erg, Josep h , “ Sam pling A s p e c ts o f the G en eral W age In d e x ” . U n p u b lish ed paper pre sen ted to the W ash in gton Statistical S o c iety M eth od ological S e c tio n , M arch 29, 1974. G o od m an , R. and K ish , L ., “ C on trolled S electio n , A T e ch nique in P robability Sam p lin g” , Journal of the American Statistical Association, V o l. 45, 1950, pp. 3 5 0 - 3 7 2 . 3 L ahiri, D . B ., “ A M eth od o f S am p le S electio n P roviding U n b iased R atio E stim a te s, ’ ’ Bulletin of The International Statis tical Institute, V o l. 33, Pt. II, D e cem b er 1951, pp. 1 3 3 -4 0 . Number 4. 5. 6. S am u els, N orm an J ., “ D ev elo p in g a G eneral W age In d e x ,” Monthly Labor Review M arch 1971, pp. 3 - 8 . S h eifer, V ictor J ., “ E m p loym en t C ost Index: a m easure o f ch an ge in the ‘price o f labor’, ” Monthly Labor Review, July 1975, pp. 3 - 1 2 . U .S . D epartm en t o f C om m erce, B ureau o f the C en su s, Class ified Index of Industrial Occupations, 1970 Census of Population, 1971. 7. U .S . D e p a r tm e n t o f L a b o r , B u rea u o f L a b o r S t a t is t ic s , Employment Cost Index: Occupational Classification System Manual, January 1975. Chapter 26. Employee Benefit Plans B ackground T he B ureau’s studies o f em p lo y ee benefit plans date back to the early forties w h en em ploym ent-related health benefit programs first appeared in collective bar gaining a greem en ts.1 B efore W orld War II job-related p lan s p ro tectin g e m p lo y e e s and th eir d ep en d en ts against the financial co n seq u en ces o f accident, sick n ess, death, and old age w ere practically nonexistent, esp ecia lly for production w orkers. T he developm ent o f th ese typ es o f protection w as stim ulated by the Internal R even u e A ct w hich as early as 1921 granted favorable ta x tr ea tm e n t to e m p lo y e r c o n tr ib u tio n s to b oth p en sion and w elfare plans and to p en sion plan in vestm en t incom e. H o w ev er, the phenom enal upsurge in plan grow th resulted ch iefly from three factors (1) w age co n tr o ls during W orld W ar II and th e early p ostw ar period that perm itted b en efit plans w hile denying w age increases, (2) the N ational L abor R ela tions B oard’s interpretation o f the L abor M anagem ent R elations A ct o f 1947 making p en sion s a legitim ate c o lle c t iv e b a rg a in in g is s u e (u p h e ld b y th e U . S . Suprem e Court in 1949) and (3) the 1949 report o f the Steel Industry F act Finding Board w hich maintained that industry had both a social and econom ic obliga tion to provide w orkers w ith so cia l insurance and pen sion s. The w age freeze during the K orean War p ro v id e d ad d ed stim u li to th e g ro w th o f b e n e fit p lan s.2 During the 1940’s and 1950’s, the establishm ent or im provem ent o f such plans w as alm ost alw ays a co l lectiv e bargaining issu e. In th e 1960’s unions also su cceed ed in negotiating m ore com preh en sive cover age, m ostly by enlarging the sco p e o f existing plans. The B ureau’s first studies w ere m ade in the 1940’s and 1950’s. T h ese w ere based on small sam ples o f negotiated plans and w ere designed to provide informa tion about health benefit plans p rovisions rather than to co llect statistics on the prevalence o f such p lan s.3 In the late 1940’s the Bureau issued several reports on health and insurance and retirem ent plans as part T o r background inform ation o f th e B u reau ’s role in the gathering o f d a ta o n th e r e s u lt s o f c o l l e c t i v e b a r g a in in g s e e c h . 2 8 , “ C o llec tiv e B argaining A g r ee m e n ts.’’ 2S e e table 1 in “ U n io n s R eport S lo w R ise in H ealth , In su ran ce, a n d P e n s io n C o v e r a g e ,’’ Monthly Labor Review, J a n u a ry 1975, page 68. ^Health-Benefit Programs Established Through Collective Bar gaining, 1947, B L S B ull. 841. 192 o f its long-range program conducted join tly with the Social Security Adm inistration and the U . S . Public H ealth S ervice o f the Federal Security A gency (now the Departm ent o f H ealth, Education and W elfare). A fter the universe o f em ployee benefit plans becam e know n (as a result o f the reporting requirem ents o f the W elfare and Pension Plans D isclosure A ct o f 1959), the studies w ere based on scientifically selected sam ples representative o f all plans filed under the A c t.4 A s a result, for the first tim e p la n s.n o t under co l lective bargaining were included as w ere a represen tative sam ple o f small plans, whether negotiated or not. T hese im provem ents in sampling, which are re flec ted in reports for 1960 and su b seq u en t y ea rs, grea tly en h a n ced th e u se fu ln e ss o f th e B u rea u ’s studies. U sers The Bureau is the major source o f data on the e x tent to w hich w orkers are protected by job-related health and insurance, and pension plans, the protec tion afforded their dependents, and the extent to w hich they are protected after they are laid o ff or retire from active em ploym ent. U n iverse estim ates based on the sam ple data collected generally are available in Bureau publications. T hey are frequently used by labor and managem ent representatives involved in contract nego tiations, State and Federal conciliators and m ediators, public and private arbitrators, C ongressm en and Con gressional sta ff considering legislation affecting the welfare o f w orkers, and governm ent officials responsi ble for recom m ending legislation and review ing pro p osed legislation. B L S studies and reports are used by teachers, students and others in the academ ic field, private consultants, researchers, writers, and others not directly involved in legislation or collective bar gaining but w ho are concerned with the developm ent, 4In a c co r d a n ce w ith th e A c t, a d m in istrators o f w elfa re and p en sion plan s, exclu d in g th ose for govern m en t w ork ers and em p lo y e es o f nonprofit organ ization s, having at lea st 26 participants filed w ith th e D epartm en t o f L abor d etailed d escrip tion s o f their p lan s, including all am endm ents. A dm inistrators o f plans havin g at le a s t 100 p a rticip an ts a lso had to file annual sta tistic a l re ports o n th e fin an cial statu s o f their p lan s. In gen era l, sim ilar filings are required b y the D ep artm en t, in accord an ce w ith E m p lo y e e R etirem en t In com e S ecu rity A c t, sign ed in to law b y the P resident on S ep tem b er 2, 1974, w h ich rep laces the W elfare and P en sion Plans D isclo su re A ct. EMPLOYEE BENEFIT PLANS status, and trends in em ployee benefit p rovisions and coverage. D e s c r ip tio n a n d M e th o d o lo g y D etailed an alyses o f the p rovisions o f em ploym entrelated pen sion plans and health and insurance plans provide the core o f the B u reau ’s major stu d ies o f em ployee benefit plans. The Bureau publishes several D ig e s t s th at su m m a rize th e m ajor p r o v is io n s o f selected pension plans, health and insurance plans, and other typ es o f em p loyee benefit plans. The pen sion studies are lim ited to retirem ent plans that pro vide m onthly cash incom e for life to eligible workers. D eferred profit sharing p la n s, sto c k b onu s plan s, savings and thrift plans and other tax-qualified plans have not, as yet, b een studied in detail. The em ploy m en t-rela ted h ea lth p la n s stu d ie d b y the B ureau p r o v id e o n e or m o r e o f th e f o llo w in g b e n e fits : H ospital, surgical, m edical, and major m edical ben e fits. M any also include dental and vision care ben e fits as w ell as benefits for out-of-hospital diagnostic and laboratory se r v ic e s. L ife insurance (including death ben efits), accidental death and dism em berm ent insurance, and b enefits for short and long-term dis abilities are the m ore com m on benefits provided under insurance plans. Statistical reports o f the Bureau are based on probablity sam ples representing the u niverse o f plans filed with the Departm ent o f Labor. T hese sam ples include w ith certainty all the large plans— usually th ose having at lea st 5,000 participants— and, depending on the purpose o f study, sam ples o f sm aller plans, stratified by such factors as w orker coverage, and type o f em ployer unit (single or m ulti-em ployer). Studies o f this type are m ade in anticipation o f requests for statisti cal data for legislation and for co llectiv e bargaining. In addition, several studies have been made at the request o f or under contract w ith other governm ent agencies such as the L abor-M anagem ent S ervices A d ministration, the E m ploym ent and Training Adm ini stration (form erly th e M an p ow er A d m in istration), and the Social Security Adm inistration. For the statistical studies that are now in progress the Bureau defines a single p en sion plan as on e where th e fo llo w in g p ro v isio n s are id en tica l for all plan participants: A ge and service requirem ents for parti cipation, vesting, normal retirem ent, early retirem ent, and s p e c ia l ea rly retirem en t; d e fin itio n o f a full year o f service in term s o f hours w orked; and defi nition o f “ break in se r v ic e .’’ P reviously, the Bureau accepted the adm inistrator’s definition o f a plan and if variations ex isted , analyzed the provisions applicable to the largest group o f workers. Sim ilarly, the Bureau defines a health and insurance plan as on e that provides identical health b enefits for a specified group o f work Digitized forers FRASER i.e ., all workers in the groups receive the same 193 typ es and le v e ls o f b en efits. P reviou sly, as in the analysis o f pension plans, if type or level o f bene fits varied, the benefits analyzed were those avail able to the largest group o f workers. The detailed analyses o f health and insurance plans, and o f p en sion plans in v o lv e the interpretation o f com plex legalistic language and insurance industry term inology, and conversion o f the interpretations into cod es w hich are aggregated to provide universe esti m ates o f the number o f plans and workers covered by specified plan provisions, requirem ents, etc. The interpretation o f th ese aggregates are then summarized in n o n tech n ic a l language as w e ll as in sta tistica l tables. D igests o f major provisions o f selected health and insurance plans and selected pension plans are pre pared p eriod ically and p ub lished in the D i g e s t o f S e le c te d H e a lth a n d In s u r a n c e P la n s and the D i g e s t o f S e le c t e d P e n s io n P la n s . W hile the plans (about 150) included in each D igest are not representative o f the universe o f plans, they are “ leading’’ plans that set the trend o f plan developm ent. Each plan was initially selected b ecau se it represented a large number o f workers in a particular industry or because o f its unique features. The benefits described in each sum mary are th ose available to the largest group o f work ers covered by the plan. The D igests are kept upto-date by the issuance o f supplem ents. N ew D i g e s t s are reissued every 3 or 4 years. The digests o f selected health and insurance plans and selected pension plans are prepared by analyzing major provisions o f selected plans and then summar izing the analysis into nontechnical text. To assure c o m p le te n e ss and a ccu ra cy o f in terp retation , the sum m aries are review ed by the parties to the plans. A lso , w h en ev er a plan is changed the parties are requested to update the published plan summary. The revised sum m ary, w hich is review ed by the Bureau for com pleten ess and con sisten cy in interpretations, is issued as a supplem ent to the D i g e s t . (D igests o f other typ es o f em ployee benefit plans such as profitsharing, stock bonus and savings plans, and supple mental unem ploym ent plans have also been prepared using the m ethod described ab ove, but they are not kept up-to-date.) Since alm ost all o f the plans summarized in each ed itio n o f th e D i g e s t s w ere in clu d ed in th e p re vious edition com parisons are readily made. A rticles on recent changes in these significant plans are regu larly published in the M o n t h l y L a b o r R e v i e w . Other em ployee-benefit publications o f the Bureau include articles on the incidence o f pension plans, based on results o f the B ureau’s biennial surveys o f expenditures for em ployee com pensation (see chapter 24) and on the prevalence o f collectively bargained health and insurance and pension plans based on data collected for the Bureau’s D i r e c t o r y o f N a t i o n a l a n d In te r n a tio n a l L a b o r O r g a n iz a tio n s (see Chapter 29). 194 BLS HANDBOOK OF METHODS T e c h n ic a l R e f e r e n c e s N um ber N um ber P e n s io n s 1. 2 . 3 . 4 . 5 . 6 . 7 . 8. U JS. D epartm en t o f L abor, B ureau o f L ab or S tatistics, “ P en sio n F orm u la Su m m arization , ’ ’ M o n th ly L a b o r R e v ie w , April 1971, pp. 4 9 - 5 6 . _______“ G row th o f B e n e fits in a C ohort o f P en sion P la n s,” M o n th ly L a b o r R e v ie w , M ay 1971, pp. 4 6 —50. ---------- C o v e r a g e a n d V e s tin g o f F u ll-T im e E m p lo y e e s U n d e r P r iv a te R e tir e m e n t P la n s , A pril 1972 (B L S R eport 423), 1973. _______“ S u rv iv o r’s P en sion s: A n E m erging E m p lo y ee B e n e fit ,” M o n th ly L a b o r R e v i e w , July 1973, pp. 3 1 - 3 3 . _______“ M u ltiem p loyer P en sio n Plan P rovision s in 1973,” M o n th ly L a b o r R e v ie w , O ctob er 1974, pp. 1 0 - 1 6 . _______ D i g e s t o f S e l e c t e d P e n s i o n P l a n s , 1973 E d itio n , 1974 and su p p lem en ts. _______“ C h an ges in S e le c te d P en sio n P lan s, M o n th ly L a b o r R e v ie w , July 1975, pp. 2 2 - 2 7 . ____ . “ P r e v a le n c e o f P rivate R etirem en t P la n s ,” M o n th ly L a b o r R e v ie w , O ctob er 1975, pp. 1 7 - 2 0 . p r o v e m e n ts in H e a lth C a r e ,” M o n t h l y L a b o r R e v i e w , A u gu st 1972, pp. 3 1 - 3 4 . 1 0 . __ D i g e s t o f H e a lth a n d I n s u r a n c e P la n s , 1974 E d ition , 1975 and su p p lem en ts. 1 1 . _______ “ H ealth B en efits for L a id -o ff W ork ers,” P ress R e lea se issu ed F ebruary 28, 1975. 12. ______ . “ C h an ges in H ea lth C are P la n s ,” M o n th ly L a b o r R e v ie w , D ecem b er 1975, pp. 2 2 - 2 6 . H e a lth a n d I n s u r a n c e a n d R e t ir e m e n t 13. U .S . D e p a r tm e n t o f L a b o r , B u rea u o f L a b o r S t a t is t ic s , “ U n io n s R ep ort S lo w R ise in H ealth , In su ran ce, and P en sio n C o v e r a g e ,” M o n th ly L a b o r R e v i e w , January 1975, pp. 6 7 - 6 9 . D ir e c to r y H e a lth a n d I n s u r a n c e 14. U .S . D e p a r tm e n t o f L a b o r , B u rea u o f L a b o r S t a t is t ic s , A D ir e c t o r y o f B L S S tu d ie s in E m p l o y e e C o m p e n s a tio n , 9. U .S . D epartm en t o f L ab or, B ureau o f L abor S tatistics, “ Im- 1 9 6 0 -7 5 (1975), pp. 1 0 - 1 5 . C h a p te r 2 7 . W o rk S to p p a g e s B ackground W ork stoppage statistics are com piled by the Bureau o f Labor Statistics to provide a quantitative m easure o f the exten t to w hich disputes b etw een labor and man agem ent result in strikes or lock outs and o f the im m ediate e c o n o m ic d isru p tion resu ltin g from su ch s to p p a g e s .1 W h en c o n sid e r e d alo n g w ith gen eral econom ic m easures, th ese statistics also serve at tim es as a broad indicator o f the state o f industrial unrest. The first attem pt by any Federal agency to com pile sta tistics on strik es w as m ade in 1880,2 w hen the Bureau o f the C ensus sent questionnaires to em ployers and workers involved in all disputes w hich w ere noted in the public press during the year. Information w as received on 762 situations. Som e data w ere obtained on the cau ses o f strikes and their results, but not on the number o f workers in volved or resultant days o f idle n ess. The n ext collection o f strike statistics w as under taken in 1887, w hen the Bureau o f Labor, then in the D epartm ent o f the Interior, exam ined files o f new spap ers, trade journals, and com m ercial periodicals for ref erences to strikes for all years from 1881 to 1886. Staff m em bers visited the areas w here strikes w ere reported and obtained detailed inform ation about each strike from every available person or source. Studies utilizing basically the sam e procedures subsequently w ere made in 1894, 1901, and 1906. A s a co n seq u en ce o f these efforts, data w ere published for the 1 8 8 1 -1 9 0 5 period on the num ber o f strikes and w orkers involved, with breakdow ns by industry and State; the number o f estab lishm ents involved; and the percentage o f strikes in volving labor organizations. N o Federal agency collected national inform ation on stopp ages occurring during the 1 9 0 6 -1 3 period. In 1914, relyin g e x c lu s iv e ly on printed so u r c e s, the Bureau o f Labor Statistics attem pted to com pile a re cord o f all strikes and lock ou ts during the year. In the follow ing year, the Bureau inaugurated a m ethod for the collection o f strike and lock out material w hich has been t h r o u g h o u t th is c h a p te r , th e term s “ w o rk s to p p a g e ” and “ strik e” are u sed interchan geab ly; b oth term s, u n less oth erw ise n o ted , a lso in clu d e lo ck o u ts. T h e d efin ition s, term s, and classifica tion s u sed by the Bureau in com p ilin g w ork stop page data w ere ad o p ted for statistical and research p u rp oses and h ave no legal sig n ifican ce. 2On the State level, the Bureau o f Labor Statistics o f M assachusetts, issu ed a report in 1880 o n strikes in that S tate from 1825. In 1881, the B ureau o f Industrial S tatistics o f P en n sylvan ia issu ed a report on strikes in that State from 1835. follow ed , with m odifications, since that time. Briefly stated, the procedure was to send questionnaires to the parties involved in work stoppages, follow ing receipt from the press and other sources o f n otices relating to these situations. Im provem ents in the program in 1927, in particular the procurem ent o f data on the number o f workers involved in all stoppages and the com putation o f days o f idleness, inaugurated the modern series o f monthly and annual strike d ata.3 D e s c r ip t io n o f t h e S e r i e s The present series on work stoppages covers all strikes and lockouts know n to the Bureau o f Labor Statistics and its cooperating agencies. It covers all that continue for 1 full day or shift or longer and involve six workers or m ore. T hese lim itations on size and dura tion, som ew hat arbitrary but o f long standing, are n ecessary for reasons o f efficien cy, and, in part, b e cause o f the difficulty involved in defining, identifying, and securing inform ation on strikes that last a few hours or less. The Bureau defines a strike as a temporary stoppage o f work by a group o f em p loyees to exp ress a grievance or enforce a dem and. A lockout is defined as a tem por ary withholding o f work by an em ployer (or a group o f em ployers) to enforce terms o f em ploym ent on a group o f em p loyees. Since 1922, the Bureau has made no attem pt to distinguish b etw een strikes and lockouts in its statistics; both typ es are included in the term “ work stop p ages” and, for the sake o f con ven ien ce in writing, in the term “ strik es.” A lthough an em ployer-em ployee dispute is im plicit in these definitions, som e inclusions in the Bureau’s series relate only indirectly to this concept. For exam ple, jurisdictional strikes and rival union disputes betw een tw o unions or more often have the em ployer on the sidelines. In a sym pathy strick, the issue o f the stop page d oes not usually involve the im m ediate em ployer. M oreover, protest strikes against the actions o f go v ernm ental agencies are not the result o f a dispute be tw een an em ployer and his em ployees. All stop p ages, w hether or not authorized by the union, legal or illegal, are counted. On the other hand, the B ureau’s series exclu d es strikes o f Am erican sea3F or additional inform ation on the early history o f the w ork sto p page sta tistics program , se e B L S B u lletin 651, Strikes in the United States, 1880 to 1936 (1938). 195 BLS HANDBO O K OF METHODS 196 m en or other workers in foreign ports and strikes o f foreign crew s in Am erican ports. A lso excluded are so-called slow d ow n s, where em p loyees continue at work but at deliberately reduced production speed, and th ose instances in w hich workers report an hour or tw o late each day as a protest gesture or quit work several hours before closing tim e to attend rallies or m ass m eet ings. The number o f work stoppages occurring during a given period provides a m easure o f the frequency o f disputes; the severity and effect o f such actions are m easured by the number o f w orkers in volved , duration, and the resultant days o f id len ess. The basic statistical unit in the B ureau’s series is the individual strike or lockout. If groups o f em p lo y ees (regardless o f their number and type and location o f em ploym ent) join in a work stoppage for a com m on ob jective, their action is classed as a single strike. The figure used for the number o f w orkers involved in a strike or lock out is the m axim um number actually made idle in the establishm ent or establishm ents di rectly involved. N o distinction is made in arriving at this figure b etw een the active participants in the strike, the num ber o f union m em bers or workers covered by an agreem ent, and th ose sent hom e by the em ployer when a stoppage by one group or departm ent prevents plant operation. D ays o f id len ess, like the num ber o f workers in volved , are based on the id len ess at the establishm ent or establishm ents directly involved. W orkers involved m ultiplied by w orkdays lost equal total days idle. In instances where the num ber o f w orkers idle varies dur ing the period o f the stoppage, appropriate adjustm ents are made in this calculation. A llow an ce is made in these com p u ta tio n s for h o lid a y s and d a y s n ot norm ally worked. A side from the clippings from new spapers and other publications, m ost o f th ese sources have been d e veloped over a period o f years. A s a general rule, e x pansion in the Bureau’s “ lead ” sources brings an in crease in the number o f stoppages reported, but has little effect on the total number o f workers and days o f idleness, becau se the added stoppages tend to be small. After the receipt o f n otices regarding the existen ce o f work stoppages, the Bureau mails questionnaires to the parties involved to secure direct information on each stoppage. Should a reply not be received within 3 w eek s, a second questionnaire is m ailed, and, in the case o f continued nonresponse, a mailogram or tele gram may be sent, or an effort made to secure the necessary data by telephone. In som e instances o f non response, field representatives o f the Bureau secure the n ecessary data; in others, cooperating State agencies may be asked to contact the parties. The ty p es o f inform ation sought by the B ureau through its questionnaire have changed over the years, partly in response to changing needs. The primary func tion o f th ese reports is to com pile statistics, not to keep records on the strike activity o f individual firms and unions. The separate questionnaires currently used for private and public sector disputes are show n on pages 1 9 4 - 196.4 A lthough strikes, by their very nature, are usually matters o f public know ledge and o f reporting by n ew s papers and other publications, the Bureau holds confi dential the individual reports subm itted by private se c tor em ployers and unions, as w ell as supplem entary data collected through State or Federal agencies. The rules o f confidentiality observed here are similar to those follow ed in other Bureau surveys. This restriction does not apply to strikes in the public sector. E s t im a t in g P r o c e d u r e s D a ta S o u r c e s a n d C o lle c tio n M e th o d s The task o f collecting strike data has tw o basic ele m ents: (1) to learn o f w ork sto p p a g es w h en and w herever th ey o ccu r, and (2) to obtain the n e c e s sary fa c ts regarding ea c h situ a tio n as q u ick ly as p ossib le. Inform ation about the ex isten ce o f stoppages cur rently is obtained from various sou rces, including: (1) clippings from daily and w eek ly new spapers through out the country provided by com m ercial clipping ser vices; (2) n otices received directly from the Federal M ediation and C onciliation Service; (3) a periodic com pilation by the local offices o f the State em ploym ent security agen cies, provided through the Em ploym ent and Training Adm inistration o f the U .S . Departm ent o f Labor; (4) a number o f other State agen cies, such as State m ediation boards and labor departm ents; (5) vari ous em ployers and em ployer association s; (6) interna tional unions and their publications; (7) and other F ed eral agen cies and com m ission s. Since the Bureau is able to obtain information on virtually all work stoppages within the scope o f its definition, estim ating is necessary only in the prepara tion o f its m onthly reports on the level o f strike activity in the U nited States as a w hole. The availability o f reasonably accurate data on the larger stoppages at the time th ese estim ates are prepared— approxim ately 4 w eeks after the end o f the month o f reference— assures approxim ate conform ity to the final statistics which are based alm ost exclu sively on the parties’ replies. M onthly estim ates are prepared on the number o f stoppages, the number o f workers involved, and days o f idleness. A s there is a lag b etw een the occurrence and reporting o f a number o f relatively small strikes, the number o f stoppages beginning during a given month is estim ated by increasing the number o f strikes on w hich 4A m odified form o f this qu estion naire is used in th e c a se o f m o st jurisdiction al d isp u tes and th ose in coal m ining. In the ca se o f prolonged strik es, a le s s detailed qu estion naire is sen t to the parties p eriod ically to d eterm in e the statu s o f the stop p age. 197 WORK STOPPAGES BLS 3006 (Rev. Jan. 1974) WORK STOPPAGE REPORT Government FormApproved O.M.B. No. 44-R1397 U.S. DEPARTMENT OF LABOR Bureau of Labor Statistics Washington, D.C. 20212 This request for information relates to: 1. Government Department, Agency, or Installation Address: Name: Facility where stoppage occurred (name if different fromabove):* Address: Level (check one): □ School district □ Other (specify) □ Federal □ State Function (check one): □ Administrative services □ Welfare services □ Law enforcement and correction □ Fire protection______________ 2. □ Municipality □ Countv □ □ □ □ Sanitation services Education Streets and highways Parks, recreation, libraries, etc. Local no. Address: Affiliation: Did the organization call or support the work stoppage? □ AFL-CIO □ Other union □ Yes □ No □ Employee association □ No information Settlement reached on: □ Yes □ No Settlement ratified on: Employees returned to work on: Scheduled workweek prior to stoppageDays _____ Hours___ Employees Affected Total employees idled at least one full shift or day: (IMPORTANT - Include all employees directly involved in the stoppage and employees made idle by lack of work in the same facilities or by observance of picket lines. If exact figures are not available, please provide estimate.) Did the number idled change significantly during the stoppage? □ Yes □ No (If “yes” please enter changes innumber idle and dates of changes on reverse side of this form.) Occupational classification (check one or more): □ Teachers □ Policemen □ Nurses □ Firemen □ Other professional and technical employees □ Sanitation men □ Gerical □ Craftsmen (specify) _ 5. Does this organization have official recogni tion? Dates of Stoppage and Workweek Stoppage began on: 4. Hospitals and health services Transportation and allied facilities Other utilities Other (specify) Union or Association Name: 3. □ □ □ □ □ Other blue collar and manual □ Other (specify) Agreement Information Stoppage occurred (check one): □ In attempting to obtain recognition □ In negotiating first agreement □ During agreement term (change in terms not involved) □ In renegotiating agreement (expiration or reopening) □ No formal agreement involved □ Other (specify) Major issues in dispute in order of importance: Please specify the method used to resolve this dispute (check one): □ Agreement of the parties □ Mediation (conciliation) □ Returned to work without agreement □ Fact-finding □ Voluntary arbitration □ Injunction (court order) □ Compulsory arbitration □ Other (specify) Did agreement to return to work include a procedure for handling any unsettled major issues involved in the stoppage (e.g., by submittal to arbitration or fact-finding)? □ Yes □ No If yes, note issues and procedures agreed upon on reverse side of this form. Did a government agency, or private individual, or organization assist in arranging the return to work? (Check one or more): □ Federal □ State □ Local □ Private □ None Please identify government agency: Signature of person making report: Title: Department or organization: * If more than one facility was involved, please enter information on reverse side of this form. Also use reverse side for clarifying remarks, particularly on nature of stoppage (mass sick leave, or resignations, etc.). 198 BLS HANDBOOK OF METHODS BLS 817 (Rev. Jan. 1974) FormApproved O.M.B. No. 44-R0212 U.S. DEPARTMENT OF LABOR Bureau of Labor Statistics Washington, D.C. 20212 WORK STOPPAGE REPORT The Bureau o f Labor Statistics will hold all information furnished by respondent in strict CO NFIDENCE Please answer all questions This request for information relates to: No. 1. Employer Name: --------------------------------------------------------------------------- Ad Number of establishments directly involved in which workers observed picket lines: If more than one establishment, use reverse side; if one enter below: a. Location ___________________________________________________ b. Industry ___________________________________________________ (Indicate major activity and principal products or services, e.g., Mining-bituminous coal; Construction-highways and streets; Manufacturing-wood upholstered furniture; Wholesale trade-plumbing supplies; Transportation-motor freight.) 2. Union Name: □ AFL-CIO □ Other Address: Did the union call or support the work stoppage? □ Yes □ No □ No information 3. Dates of Stoppages and Workweek Stoppage began on: Settlement reached on: Settlement ratified on: Employees returned to work on: Scheduled workweek prior to stoppage: Days 4. Hours Employees Affected Total employees idled at least one full (IMPORTANT - Include all employees directly involved in the stoppage and employees made idle by lack of work in the same establishments or by observance of picket lines. If exact figures are not available, please provide estimates.) Did the ndmber idle change significantly during the stoppage? □ Yes □ No day or shift: [ 1 (If yes, please enter changes in the number idle and dates of changes on reverse side.) Occupational classification (check one or more): □ Professional and technical □ Clerical □ Sales □ Production and maintenance 5. Contract Status Stoppage occurred (check one): □ In negotiating 1st agreement or obtaining union recognition □ 6. □ Protective □ Service □ In renegotiating agreement (expiration or reopening) □ No formal agreement involved During agreement term (change in terms not involved) □ Other (specify) □ Other (specify) Major issues in dispute, in order of importance: (Please list) ------------------------------------------------ 7. Did employees return to work— □ voluntarily, or □ under the terms of a court order or injunction? 8. Did agreement to return to work include a procedure for handling any unsettled major issues involved in the stoppage (e.g., by submittal to arbitration)? □ Yes □ No If yes, note issues and procedures agreed upon on reverse side of this form. 9. Did a government agency, or private individual, or organization assist in arranging the return to work? (Check one or more): □ Federal □ State □ Local □ Private □ None Please identify government agency _______________________________________________________________________________ Signature of person making report: Title: Company and organization: USE REVERSE SIDE FOR ANY CLARIFYING REMARKS 199 WORK STOPPAGES Supplem entary Inform ation for item s 1 and 4 If the stoppage involved m ore than one establishm ent or if idleness varied from period to period during the stoppage, please use the following space to indicate the num ber idle in eacli establishm ent and the variation in idleness at different dates. Include b oth w orkers directly concerned and those m ade idle because o f dispute in the same establishm ent. IF EXACT FIGURES ARE NOT AVAILABLE, PLEASE FURNISH ESTIMATES. Establishment involved and location (City, County, State) REMARKS: Industry or principal product Approximate number of workers idle a full shift or more Dates this number was idle a full shift or more 200 BLS HANDBOOK OF METHODS leads have been received by a percentage which is fixed for each calendar month. An estim ate o f the total number o f stoppages in effect during the month is ob tained by supplementing the latter estimate by a percen tage o f the stoppages in effect during the prior month. In estimating the number o f workers involved and total idleness, efforts are made to obtain as much pre liminary information as possible on the size and dura tion o f individual large stoppages—those of at least 500 workers or 5,000 days o f idleness. To the known figures for these large stoppages is added the product o f the estimated number o f smaller strikes and the average number o f workers (or days) that previous experience indicates for such stoppages. In its preliminary reports, as well as in its final re ports, the Bureau relates the days o f idleness to the total estim ated working time o f all workers. The “ total econom y” measure o f strike idleness, which was insti tuted in 1967, includes government and agricultural e mployees and private nonfarm workers, but excludes forestry, fisheries, and private household employment in its employment count and in the computation o f idleness ratios. Before 1967, the BLS series excluded government and agricultural workers from employment totals, but accounted for time lost by these workers while on strike. This reevaluation o f methods has im proved the calculations o f idleness and made the Bureau’s measurement o f work stoppage intensity na tional in scope. A n a l y s i s a n d I n t e r p r e t a t io n The data p resented in the p arties’ reports are analyzed and classified according to a number o f sig nificant factors, briefly described here: (1) Each strike is assigned a n in d u s tria l c la ssifica tio n in accordance with the S ta n d a r d In d u stria l C la ssifica tion M a n u a l prepared by the Office o f Management and Budget.® In those cases in which a stoppage affects workers in more than one industry, one o f two proce dures may be followed. If the stoppage is small, the strike is classified in the industry in which it was in itiated; in large interindustry stoppages, a stoppage is recorded for each industry affected, and the approxi mate numbers o f workers and idleness are allocated to each. (2) The d u ra tio n o f each stoppage is taken as the number o f calendar days from its beginning to end. For stoppages which begin at a definite time and are termi nated by a formal agreement, no problem arises in the determination o f duration. H owever, som e stoppages, for a variety o f reasons, are never settled formally. T hese range from situations in which the workers gradually return to their jobs without a settlement to those in which the em ployer decides to go out o f busi ness. In cases o f the former variety, the details of each individual situation are studied before a stoppage is ‘ S e e app . B . terminated for statistical purposes; in the latter in stances, the stoppage is terminated with the em ployer’s announcement o f his decision to discontinue opera tions. On occasion, if actual settlement is reached later, the statistical record of the stoppage is adjusted accord ingly. (3) G e o g ra p h ic a l c la ssific a tio n o f stoppages fol lowed State and city boundary lines, through 1951. Beginning in 1952, the compilation o f data by Standard Metropolitan Statistical Areas superseded city bound ary lines.6 In interarea stoppages, a stoppage is re corded in each area affected, and workers and days o f idleness are allocated proportionately. (4) The issu es in dispute in most strikes are many and varied, and do not always lend them selves readily to immediate and exact classification. Stoppages are clas sified by major issue into the following broad groupings: (a) wages, hours, and supplementary benefits; (b) union organization and security; (c) job security; (d) plant administration; and (e) inter- or intra-union matters. Each o f these groups is sub-divided into more specific categories . 7 (5) Stoppages are classified by the co n tra c tu a l rela tio n