Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Index 1928=100, Not Seasonally Adjusted

Frequency:  Annual

Series Is Presented Here As Five Varibles--(1)--Original Data, 1860-1913 (2)--Original Data, 1913-1931 (3)--Original Data, 1925-1937 (4)--Original Data, 1919-1931 (5)--Original Data, 1925-1937. Source: Institut Fur Konjunkturforschung, Vierteljahrshefte Zur Konjunkturforschung, Sonderheft 31, Pp. 23, 28, 64.

This NBER data series a01008ad appears on the NBER website in Chapter 1 at http://www.nber.org/databases/macrohistory/contents/chapter01.html.

NBER Indicator: a01008ad