Composition of R and D Expenditures: Relationship to Size of Firm, Concentration, and Innovative Output
The Review of Economics and Statistics
1981
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
- DOI
- 10.2307/1935857
- Volume
- 63 (4)
- Pages
- 610
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