Table 24.—Indicator Series for Quarterly Estimates of Current-Dollar Software Investment

Software type 1959-75 1976-87 1988-98 1999
Prepackaged Interpolated without an indicator series Wages in SIC 7372 (1972); eight-quarter moving average lag (BLS: Wages of workers covered by State unemployment insurance) Wages in SIC 7372 (1987); eight-quarter moving average lag (BLS: Wages of workers covered by State unemployment insurance) Wages in SIC 7372 (1987); eight-quarter moving average lag (BLS: Wages of workers covered by State unemployment insurance)./1/
Custom Interpolated without an indicator series Wages in SIC 7372 (1972); eight-quarter moving average lag (BLS: Wages of workers covered by State unemployment insurance) Wages in SIC 7371 (1987); eight-quarter moving average lag (BLS: Wages of workers covered by State unemployment insurance) Wages in SIC 7371 (1987); eight-quarter moving average lag (BLS: Wages of workers covered by State unemployment insurance)./1/
Business own-account NIPA current-dollar private fixed investment, computers and peripheral equipment; three-quarter moving average lag NIPA current-dollar private fixed investment, computers and peripheral equipment; three-quarter moving average lag NIPA current-dollar private fixed investment, computers and peripheral equipment; three-quarter moving average lag NIPA current-dollar private fixed investment, computers and peripheral equipment; three-quarter moving average lag.
Federal own-account NIPA current-dollar Federal Government gross investment, computers and peripheral equipment; three-quarter moving average lag NIPA current-dollar Federal Government gross investment, computers and peripheral equipment; three-quarter moving average lag NIPA current-dollar Federal Government gross investment, computers and peripheral equipment; three-quarter moving average lag NIPA current-dollar Federal Government gross investment, computers and peripheral equipment; three-quarter moving average lag.
State and local own-account NIPA current-dollar private fixed investment, computers and peripheral equipment; three-quarter moving average lag NIPA current-dollar private fixed investment, computers and peripheral equipment; three-quarter moving average lag NIPA current-dollar private fixed investment, computers and peripheral equipment; three-quarter moving average lag NIPA current-dollar private fixed investment, computers and peripheral equipment; three-quarter moving average lag.

1. Current-quarterly wages are projected based on previous quarters' wages.

BLS Bureau of Labor Statistics

SIC Standard Industrial Classification

DCSIMG