Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Percentage, Not Seasonally Adjusted

Frequency:  Monthly

Series Is Presented Here As Two Variables--(1)--Original Data, Percent Expanding, 1948-1957 (2)--Original Data, Cumulative Net Expanding, I.E., The Cumulation Of Differences Between The First Variable And 50 %. Source: National Association Of Purchasing Agents, Business Survey Reports.

This NBER data series m06139b appears on the NBER website in Chapter 6 at http://www.nber.org/databases/macrohistory/contents/chapter06.html.

NBER Indicator: m06139b