共 54 条
[11]
Mowery D. C.(1990)Innovation, Technological Opportunity, and Market Structure Oxford Economic Papers 42 586-602
[12]
Demsetz H.(1992)Vertical Relations Between Firms and Industrial Policy The Economic Journal 102 138-147
[13]
Dyer J. H.(1982)Preemptive Patenting and Persistence of Monopoly American Economic Review 72 514-526
[14]
Ebers M.(1996)Strategic Spillovers and Incentives for Research and Development Management Science 42 907-925
[15]
Jarillo C.(1978)Vertical Integration, Appropriable Rents, and the Competitive Contracting Process Journal of Law and Economics 21 297-326
[16]
Farber S.(1996)Entry, Exit, Growth, and Innovation over the Product Life Cycle American Economic Review 86 562-583
[17]
Freeman C.(1995)On the Sources and Significance of Inter-Industry Differences in Technological Opportunity Research Policy 24 185-205
[18]
Geroski P. A.(1995)Patents, R&D and Innovation: Evidence from the Mannheim Innovation Panel ifo-Studien 33 521-542
[19]
Geroski P. A.(1969)Organizational or Frictional Equilibria, X-Efficiency and the Rate of Innovation Quarterly Journal of Economics 83 600-623
[20]
Gilbert R. J.(1988)Appropriability, R&D-Spending, and Technological Performance AEA Papers and Proceedings 78 424-428