NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

The Impact of R&D Investment On Productivity - New Evidence Using Linked R&D-LRD Data

Frank R. Lichtenberg, Donald Siegel

NBER Working Paper No. 2901 (Also Reprint No. r1628)
Issued in March 1989
NBER Program(s):PR

This paper uses confidential Census longitudinal microdata to examine the association between R&D and productivity for the period 1972.1985. These data allow for significant improvements in measurement and model specification, yielding more precise estimates of the returns to R&D. Our results confirm the findings of existing studies: 1) positive returns to R&D investment 2) higher returns to company-financed research 3) a productivity "premium" on basic research These results are robust to our attempts to adjust for "influential" outliers. Also, it appears that the return to company-financed R&D (but not total R&D) is an increasing function of firm size.

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Document Object Identifier (DOI): 10.3386/w2901

Published: Economic Inquiry, Vol. 29 No.2, pp. 203-229, (April 1991). citation courtesy of

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