Productivity and machinery investment
Subtitle: a long run look, 1870-1980
By: J. Bradford De Long.
Contributors: National Bureau of Economic Research.
Series: NBER working papers series -- working paper no. 3903; Working paper series (National Bureau of Economic Research) -- working paper no. 3903.
Publisher: National Bureau of Economic Research
Published: 1991
Place of publication: Cambridge, MA
Language: eng
Number of pages: 22
Subjects: Industrial productivity -- History -- Statistics.; Machinery in the workplace -- History -- Statistics.
Notes: "November 1991."

Includes bibliographical references.

Binghamton University Libraries' copy bound with: Moderate inflation.