Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Index 1923-1925=100, Seasonally Adjusted

Frequency:  Monthly

Series Is Presented Here As Four Variables--(1)--Seasonally Adjusted Data, 1919-1942 (2)--Original Data, 1939-1949 (3)--Original Data, 1947-1951 (4)--Original Data, 1951-1956. This Segment Ends In 1942 And Is Followed By A 1939-Based Index, Which Is Believed To Be Roughly Comparable. Source: Federal Reserve Board, Bulletins, For 1919-1933 Data: October 1938; For 1934-1942 Data: October 1939 And Monthly Issues Thereafter.

This NBER data series m08015a appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html.

NBER Indicator: m08015a