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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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  • Ariel Pakes
  • Mark Schankerman

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  • Ariel Pakes & Mark Schankerman, 1984. "The Rate of Obsolescence of Patents, Research Gestation Lags, and the Private Rate of Return to Research Resources," NBER Chapters,in: R&D, Patents, and Productivity, pages 73-88 National Bureau of Economic Research, Inc.
  • Handle: RePEc:nbr:nberch:10045
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    References listed on IDEAS

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    1. 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.
    2. Amemiya, Takeshi & Nold, Frederick C, 1975. "A Modified Logit Model: A Note," The Review of Economics and Statistics, MIT Press, pages 255-257.
    3. 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.
    4. 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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