The Rate of Obsolescence of Patents, Research Gestation Lags, and the Private Rate of Return to Research Resources
In: R&D, Patents, and Productivity
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References listed on IDEAS
- Partha Dasgupta & Joseph Stiglitz, 1980. "Uncertainty, Industrial Structure, and the Speed of R&D," Bell Journal of Economics, The RAND Corporation, vol. 11(1), pages 1-28, Spring.
- Amemiya, Takeshi & Nold, Frederick C, 1975. "A Modified Logit Model: A Note," The Review of Economics and Statistics, MIT Press, pages 255-257.
- Schankerman, Mark, 1981. "The Effects of Double-Counting and Expensing on the Measured Returns to R&D," The Review of Economics and Statistics, MIT Press, pages 454-458.
- Hirshleifer, Jack, 1971. "The Private and Social Value of Information and the Reward to Inventive Activity," American Economic Review, American Economic Association, pages 561-574.
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