Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Index 1957-1959=100, Not Seasonally Adjusted

Frequency:  Monthly

Series Is Presented Here As Two Variables--(1)-- Original Data, 1935-1949 (2)--Original Data, 1946-1968. Through 1949 The Data Repesent Averages Of 4 Or 5 Quotations A Month; Thereafter, They Are Daily Quotations. For 1946-1947 The Averages Have Been Derived From The Source (See Above) With Indexes Having Only 1 Decimal; All Published Averages, However, Are Based On Indexes Carried To Two Decimal Places. Source: Bls Table (Unpublished): Daily Spot Market Price Index, Raw Industrials: 1956 And Earlier, " (December, 1962), And Similar Table Dated October, 1962 For 1957-September, 1962. Thereafter: "Daily Spot Market Price Indexes And Prices, " Weekly Bls Release. Averages Also In Survey Of Current Business.

This NBER data series m04201b appears on the NBER website in Chapter 4 at http://www.nber.org/databases/macrohistory/contents/chapter04.html.

NBER Indicator: m04201b