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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- 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, vol. 63(3), pages 454-58, August.
- Amemiya, Takeshi & Nold, Frederick C, 1975. "A Modified Logit Model: A Note," The Review of Economics and Statistics, MIT Press, vol. 57(2), pages 255-57, May.
- 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.
- Hirshleifer, Jack, 1971. "The Private and Social Value of Information and the Reward to Inventive Activity," American Economic Review, American Economic Association, vol. 61(4), pages 561-74, September.
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