Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Index Jan 1923=100, Not Seasonally Adjusted

Frequency:  Monthly

Notes:

Index Was Computed By NBER From Percentage Changes Between Successive Months For Identical Firms. The Figures Were Compiled By The Frb Of Chicago From Reports To The Bank Each Month Of 5-13 Firms. Source: Computed By NBER From Figures Supplied By The Federal Reserve Bank Of Chicago

This NBER data series m06048 appears on the NBER website in Chapter 6 at http://www.nber.org/databases/macrohistory/contents/chapter06.html.

NBER Indicator: m06048