November 1, 1981The Review of Economics and Statistics

Composition of R and D Expenditures: Relationship to Size of Firm, Concentration, and Innovative Output

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Abstract

Edwin Mansfield, Composition of R and D Expenditures: Relationship to Size of Firm, Concentration, and Innovative Output, The Review of Economics and Statistics, Vol. 63, No. 4 (Nov., 1981), pp. 610-615

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Edwin Mansfield (1981) studied this question.

synapsesocial.com/papers/6a6f3eb2b5c1fe5ca9df9677 https://doi.org/10.2307/1935857

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