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Firm profitability, growth, and innovation
Audretsch, David B., (1995)
Firm size and the nature of innovation within industries : the case of process and product R&D
Cohen, Wesley M., (1996)
R&D, firm size and branch of industry : policy implications
Vossen, Robert W., (1998)
R&D, bedrijfsgrootte en betrijfstak : beleidsimplicaties
Vossen, Robert W., (1997)
Bedrijfsgrootte en efficie͏̈ntie in R&D
Vossen, Robert W., (1994)
Strategic and tactical decisions, sunk costs and firm size effects in R&D