Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Cumulated Net Percent Expanding, Seasonally Adjusted

Frequency:  Quarterly

Notes:

Overlapping Quarters (Second,1921 And Second,1923) Were Averaged To Allow Continuous Cumulation. Source: Data For 1920-1947: G.H. Moore, Business Cycle Indicators, Vol. 2, NBER, P. 159-160; Data For 1948-1965: U.S. Bureau Of The Census, Business Cycle Developments, October 1964 And Subsequent Issues

This NBER data series q16046 appears on the NBER website in Chapter 16 at http://www.nber.org/databases/macrohistory/contents/chapter16.html.

NBER Indicator: q16046