Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Percent Expanding, Not Seasonally Adjusted

Frequency:  Quarterly

This Index Is Based On Reports Of A Sample Of Firms Ranging From 261 In February 1949 To 793 In April 1958. Source: G.H. Moore, Business Cycle Indicators, Vol. 2, NBER, P. 167

This NBER data series q16099a appears on the NBER website in Chapter 16 at http://www.nber.org/databases/macrohistory/contents/chapter16.html.

NBER Indicator: q16099a