The Journal of Science Policy and Research Management
Online ISSN : 2432-7123
Print ISSN : 0914-7020
R&D Appropriability, Opportunity Market Structure : New Evidence on Some Schumpeterian Hypotheses : American Economic Review
R. C. LevinW. M. CohenD. C. Mowery
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1987 Volume 2 Issue 4 Pages 478-479

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1987 Japan Society for Research Policy and Innovation Management
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