Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Index 1947-1949=100, Not Seasonally Adjusted

Frequency:  Quarterly

Series Is Presented Here As Three Variables--(1)--Original Data, 1870-1926 (2)--Original Data, 1922-1942 (3)--Original Data, 1941-1955. Source: Data Were Computed By NBER From Seasonally Adjusted Data Of Orders For Passenger Cars, Freight Cars, And Locomotives Using Fixed Weights. For 1945-1951 Weights Were 16.1 For Passanger Cars, 36.7 For Locomotives, And 1 For Freights. Weights Were Derived From Interstate Commerce Commission Data On Value And Quantity Of New Equipment Installed For 1942-1955.

This NBER data series q06090c appears on the NBER website in Chapter 6 at http://www.nber.org/databases/macrohistory/contents/chapter06.html.

NBER Indicator: q06090c