Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Index 1935-1939=100, Not Seasonally Adjusted

Frequency:  Monthly

Notes:

Series Has Been Subdivided Into Two Variables: (1) V808 -- Original Data, 1919-1947; (2) V809 -- Original Data, 1947-1963 This Index Measures Changes In The Physical Volume Of Lumber Production, And Does Not Cover Logging And Lumber Products (Millwork, Etc.). The Basis For The Index Is The National Lumber Manufacturers Association Series On Lumber Production, In Board Feet. This Index Is A Component Of The Federal Reserve Index Of Production Of Construction Materials, 1947-1963. The Indexes For Individual Series Are Available On The 1957-59 Base Only From 1947; For Earlier Years The Latest Data Are On A 1935-39 Base. This Series Is Therefore Shown Here In Two Segments With An Overlap Of One Year. Seasonal Adjustment For 1919-47 Is By The Source; And For 1947-63 By NBER. The Original And Seasonally Adjusted Data Have Been Adjusted For Variations In The Number Of Working Days. See Lipsey And Preston, P. 287 For Additional Information. Source: 1919-1942:"Federal Reserve Index Of Industrial Production", Board Of Governors Of The Federal Reserve System, October 1943. 1943-1947:"Federal Reserve Bulletin", Board Of Governors Of The Federal Reserve System, Monthly Issues, 1944-48. 1947-1960:"Industrial Production, 1957-59 Base", Board Of Governors Of The Federal Reserve System, 1962. 1961-1963:"Industrial Production Indexes, 1961-1963", Board Of Governors Of The Federal Reserve System, September 1964. See Lipsey And Preston, P. 287.

This NBER data series m02119a appears on the NBER website in Chapter 2 at http://www.nber.org/databases/macrohistory/contents/chapter02.html.

NBER Indicator: m02119a