Indexes of Diffusion of Changes in Number of Employees on Payrolls in 172 Private Nonagricultural Industries
United States. Bureau of Labor Statistics. "Indexes of Diffusion of Changes in Number of Employees on Payrolls in 172 Private Nonagricultural Industries," in United States. Bureau of Labor Statistics. "December 1979," The Employment Situation (January 12, 1980) : 17-17. https://fraser.stlouisfed.org/title/144/item/56135/toc/490479 , accessed on May 7, 2024.