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Sources and footnotes for tables 1-4

Footnotes, Tables 1-4

Source: The Bureau of Labor Statistics (BLS) develops productivity measures 
	using output and compensation data published by the Bureau of 
	Economic Analysis (BEA), hours data published by other BLS programs, 
	and capital data supplied by BEA and U.S. Department of Agriculture.
	Also see Technical Notes in this release.

(1)	The private business sector covers gross domestic product with the 
	exception of the output of general government, government 
	enterprises, non-profit institutions, the rental value of owner- 
	occupied real estate, and the output of paid employees of private
	households. The private nonfarm business sector further excludes
	farms but includes agricultural services.

(2)	Output per hour worked.

(3)	Output per combined units of labor input and capital services.

(4)	Gross domestic product originating in the sector, chained superlative

(5)	Index of hours worked of all persons including employees, proprietors,
	and unpaid family workers, classified by age, education, and gender. 
	This chained superlative index is computed by combining changes in 
	the hours of each age, education, and gender group weighted by each
	groupís share of total wages.

(6)	A measure of the flow of capital services used in the sector. 
	Capital services measure the services derived from the stock of 
	physical assets and intellectual property products.
(7)	The growth rates of labor input and capital services are combined
	by weighting with their respective shares of current dollar costs 
	as weights, and aggregating into a chained superlative index.

(8)	Capital services per hour.

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Last Modified Date: March 20, 2019