Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Index 1926=100, Not Seasonally Adjusted

Frequency:  Monthly

Notes:

Series Has Been Subdivided Into Two Variables: (1)-- Original Data, 1926=100 Index, 1890-1951; (2) Original Data, 1947-49=100 Index, 1947-1956. A Revision In 1949 Reflects The Rearrangement And Addition Of Items Within The Data Group. Old Grouping -- Anthracite Coal, Bituminous Coal, Coke, Gas, Petroleum Products; New Grouping Includes Electricity. Source: 1890-1930: Bls Bulletin No. 543, Pp. 3-11; 1926-1931 (Revised): Bulletin No. 572, Pp. 5-6; 1931:"Survey Of Current Business", January 1932; 1932-1943: Bls, "Wholesale Prices"; 1944-1950: Bls Bulletins Nos. 736-1083; 1951: "Monthly Labor Review", 1952 Issues

This NBER data series m04065a appears on the NBER website in Chapter 4 at http://www.nber.org/databases/macrohistory/contents/chapter04.html.

NBER Indicator: m04065a