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Technical Note
Gross Domestic Product
Second Quarter of 2015 (Second Estimate)
August 27, 2015
This technical note provides background information about the source data and estimating
methods used to produce the estimates presented in the GDP news release. The complete
set of estimates for the second quarter is available on BEA's Web site at www.bea.gov; a
brief summary of "highlights" is also posted on the Web site. In a few weeks the Survey of
Current Business, BEA’s online monthly journal, will publish a more detailed analysis of the
estimates (“GDP and the Economy”).
Sources of Revision to Real GDP
Real GDP increased 3.7 percent (annual rate) in the second quarter, an upward revision of
1.4 percentage points from the advance estimate. The revision reflected upward revisions to
nonresidential fixed investment, to private inventory investment, to state and local
government spending, and to consumer spending and a downward revision to imports.
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•
•
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The upward revision to nonresidential fixed investment reflected upward revisions to
equipment, to structures, and to intellectual property products. Within equipment, the
revision was primarily to communications equipment and was based on revised Census
Bureau imports, exports, and shipments data for May and June. The revision to
structures was primarily based on newly available Census construction spending data
for June and revised data for April and May. The revision to intellectual property
products was primarily to research and development and was based on newly available
R&D expense data from company financial reports.
The upward revision to inventory investment was primarily to retail trade industries and
reflected newly available June and revised May Census inventory data.
The upward revision to state and local government spending was primarily to
investment in structures and was based on newly available Census construction data
for June and revised data for April and May.
The upward revision to consumer spending was primarily to goods and reflected revised
Census retail sales data for May and June.
The downward revision to imports was primarily to goods and reflected revised May and
June Census goods data.

The price index for personal consumption expenditures increased 2.2 percent in the second
quarter, the same increase as in the advance estimate.
Gross Domestic Income and Corporate Profits
Real gross domestic income (GDI), which measures the output of the economy as the costs
incurred and the incomes earned in the production of GDP, increased 0.6 percent in the
second quarter. For a given quarter, the estimates of GDP and GDI may differ for a variety
of reasons, including the incorporation of largely independent source data. However, over
longer time spans, the estimates of GDP and GDI tend to follow similar patterns of change.
The average of real GDP and real GDI increased 2.1 percent.
Profits from current production increased $47.5 billion, or 2.4 percent (quarterly rate), in the
second quarter. Domestic profits of financial corporations increased $33.9 billion, domestic
profits of nonfinancial corporations increased $16.5 billion, and rest-of-the-world profits
decreased $2.9 billion.

Revisions to Wages and Salaries, Disposable Personal Income, and GDI
In addition to presenting revised estimates for the second quarter, today's release presents
revised estimates of first-quarter wages and salaries, personal taxes, and contributions for
government social insurance. Wages and salaries are now estimated to have increased $49.8
billion in the first quarter of 2015, an upward revision of $5.6 billion. These estimates reflect
the most recently available wage and salary tabulations for the first quarter from the BLS
quarterly census of employment and wages.
Real disposable personal income is now estimated to have increased 3.9 percent (annual
rate) in the first quarter and increased 1.3 percent in the second. (By comparison, the
estimates that were available last month showed an increase of 3.8 percent in the first
quarter and an increase of 1.5 percent in the second.)
The revision to first-quarter wages and salaries also resulted in a revision to GDI. Real GDI
is now estimated to have increased 0.4 percent in the first quarter, an upward revision of 0.1
percentage point.

Brent R. Moulton
Associate Director for National Economic Accounts
Bureau of Economic Analysis
(202) 606-9606

Table A. SOURCE DATA FOR THE ADVANCE AND SECOND
ESTIMATES OF GDP FOR THE SECOND QUARTER OF 2015
This table shows the actual data used for the second estimate of GDP for the second quarter of 2015. For these key
series, actual data for June were not available in time for inclusion in the advance GDP estimate released on July 30,
2015, and BEA made assumptions for these source data. The revisions for June are calculated from the values that had
been assumed for the advance estimate. Other revisions are based on the source data that had been incorporated in the
advance estimate.
All series shown in the table are in billions of dollars, seasonally adjusted at annual rates, and are published by the
Census Bureau.
2015
Jan.

Feb.

Mar.

Apr.

May

Jun.

Private fixed investment:
Nonresidential structures:
1 Value of new nonresidential
construction put in place………………..
Revision………………………………….

357.2
0.0

360.2
0.0

372.2
0.0

390.4
3.2

400.0
7.1

394.8
4.8

Residential structures:
Value of new residential
construction put in place:
2
Single family………………………………..
Revision……………………………………

215.8
0.0

212.5
0.0

208.3
0.0

210.4
1.1

211.5
2.1

210.9
-0.7

45.8
0.0

48.2
0.0

47.9
0.0

49.5
0.8

50.1
1.4

51.5
2.3

3

Multifamily………………………………….
Revision……………………………………

Change in private inventories:
NOTE: Historical (Jan.–Apr.) data reflect concurrent seasonal factors.
4 Change in inventories for nondurable
manufacturing………………………………
Revision…………………………………….

-69.9
0.2

-0.2
-0.2

-9.9
0.2

2.9
0.5

15.0
4.0

10.2
10.2

5 Change in inventories for merchant
wholesale and retail industries other
than motor vehicles and equipment………
Revision……………………………………

13.3
-1.2

27.2
0.7

15.9
2.4

36.2
3.8

41.6
-13.4

81.7
28.6

Government:
State and local:
Structures:
6
Value of new construction put
in place…………………………………...
Revision……………………………………

252.6
0.0

249.2
0.0

254.1
0.0

265.6
6.1

270.2
10.1

276.0
16.2

8/27/2015 8:30 AM