Productivity and economic progress
By: [by] Frederick C. Mills.
Series: Occasional paper / National Bureau of Economic Research -- no. 38.; Occasional paper (National Bureau of Economic Research) -- no. 38.
Publisher: National Bureau of Economic Research
Published: 1952
Place of publication: [New York]
Language: eng
Number of pages: 36
Subjects: Labor productivity -- United States.; United States -- Economic conditions.