Technological Opportunity and Spillovers of R&D: Evidence from Firms' Patents, Profits, and Market Value
AbstractThis paper quantifies the effects of exogenous variations in the state of technology (technological opportunity) and of the R&D of other firms (spillovers of R&D) on the productivity of firms' R&D. The R&D productivity is increased by the R&D of "technological neighbors," though neighbors' R&D lowers the profits and market value of low-R&D-intensity firms. Firms are shown to adjust the technological composition of their R&D in response to technological opportunity. Copyright 1986 by American Economic Association.
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Bibliographic InfoArticle provided by American Economic Association in its journal American Economic Review.
Volume (Year): 76 (1986)
Issue (Month): 5 (December)
Other versions of this item:
- Adam B. Jaffe, 1986. "Technological Opportunity and Spillovers of R&D: Evidence from Firms' Patents, Profits and Market Value," NBER Working Papers 1815, National Bureau of Economic Research, Inc.
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
- John Bound & Clint Cummins & Zvi Griliches & Bronwyn H. Hall & Adam B. Jaffe, 1984.
"Who Does R&D and Who Patents?,"
in: R & D, Patents, and Productivity, pages 21-54
National Bureau of Economic Research, Inc.
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in: R&D and Productivity: The Econometric Evidence, pages 100-133
National Bureau of Economic Research, Inc.
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- Bronwyn H. Hall & Zvi Griliches & Jerry A. Hausman, 1983. "Patents and R&D: Searching for a Lag Structure," NBER Working Papers 1227, National Bureau of Economic Research, Inc.
- Demsetz, Harold, 1973. "Industry Structure, Market Rivalry, and Public Policy," Journal of Law and Economics, University of Chicago Press, vol. 16(1), pages 1-9, April.
- Ariel Pakes & Zvi Griliches, 1984. "Patents and R&D at the Firm Level: A First Look," NBER Chapters, in: R & D, Patents, and Productivity, pages 55-72 National Bureau of Economic Research, Inc.
- Hirschey, Mark & Wichern, Dean W, 1984. "Accounting and Market-Value Measures of Profitability: Consistency, Determinants, and Uses," Journal of Business & Economic Statistics, American Statistical Association, vol. 2(4), pages 375-83, October.
- Ariel Pakes & Zvi Griliches, 1980. "Patents and R and D at the Firm Level: A First Look," NBER Working Papers 0561, National Bureau of Economic Research, Inc.
- Michael A. Salinger, 1984. "Tobin's q, Unionization, and the Concentration-Profits Relationship," RAND Journal of Economics, The RAND Corporation, vol. 15(2), pages 159-170, Summer.
- Pakes, Ariel, 1985. "On Patents, R&D, and the Stock Market Rate of Return," Journal of Political Economy, University of Chicago Press, vol. 93(2), pages 390-409, April.
- Pakes, Ariel, 1985. "On Patents, R & D, and the Stock Market Rate of Return," Scholarly Articles 3436409, Harvard University Department of Economics.
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