Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Millions of Current Dollars, Not Seasonally Adjusted

Frequency:  Monthly

Series Is Presented Here As 2 Variables: (1) Original Data, 1913-38; (2) Original Data, 1932-43. Monthly Data Is Presented Here In The Form Of Weekly Average Per Month. Annual Data Is The Mean Of These Values - I.E., An Approximation Of The Average Weekly Value For The Year. 1932-43 Segments Include Federal Projects; 1913-38 Do Not. See Also Introductory Notes On Engineering News-Record Data. Source: Files Of Engineering News-Record

This NBER data series m02093a appears on the NBER website in Chapter 2 at http://www.nber.org/databases/macrohistory/contents/chapter02.html.

NBER Indicator: m02093a