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On the optimal mix of patent instruments

  • Chu, Angus C.
  • Furukawa, Yuichi

A special characteristic of the patent system is that it features multiple patent-policy levers that can be employed by policymakers. In this study, we develop a quality-ladder model to analyze the optimal mix of patent instruments. Specifically, we consider (a) patent breadth and (b) the division of profit in research joint ventures. We analytically derive optimal patent policies and then calibrate the model to quantitatively evaluate the welfare gain from optimizing both patent instruments as compared to optimizing only one patent instrument. In summary, we find that the welfare gain can be substantial.

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File URL: http://mpra.ub.uni-muenchen.de/24039/1/MPRA_paper_24039.pdf
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File URL: http://mpra.ub.uni-muenchen.de/29792/1/MPRA_paper_29792.pdf
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Paper provided by University Library of Munich, Germany in its series MPRA Paper with number 24039.

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Date of creation: Aug 2010
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Handle: RePEc:pra:mprapa:24039
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  1. Klemperer, Paul, 1990. "How Broad Should the Scope of Patent Protection Be?," CEPR Discussion Papers 392, C.E.P.R. Discussion Papers.
  2. Li, Chol-Won, 2001. "On the Policy Implications of Endogenous Technological Progress," Economic Journal, Royal Economic Society, vol. 111(471), pages C164-79, May.
  3. Grossman, G.M. & Helpman, E., 1989. "Quality Ledders In The Theory Of Growth," Papers 148, Princeton, Woodrow Wilson School - Public and International Affairs.
  4. Cozzi, Guido, 1999. "R&D Cooperation and Growth," Journal of Economic Theory, Elsevier, vol. 86(1), pages 17-49, May.
  5. Guido Cozzi & Ornella Tarola, 2006. "R&D Cooperation, Innovation, and Growth," Journal of Institutional and Theoretical Economics (JITE), Mohr Siebeck, Tübingen, vol. 162(4), pages 683-701, December.
  6. Denicolo, Vincenzo, 1996. "Patent Races and Optimal Patent Breadth and Length," Journal of Industrial Economics, Wiley Blackwell, vol. 44(3), pages 249-65, September.
  7. Futagami, Koichi & Iwaisako, Tatsuro, 2007. "Dynamic analysis of patent policy in an endogenous growth model," Journal of Economic Theory, Elsevier, vol. 132(1), pages 306-334, January.
  8. Cozzi, Guido & Giordani, Paolo E. & Zamparelli, Luca, 2007. "The refoundation of the symmetric equilibrium in Schumpeterian growth models," Journal of Economic Theory, Elsevier, vol. 136(1), pages 788-797, September.
  9. O'Donoghue, Ted & Zweimüller, Josef, 1998. "Patents in a Model of Endogenous Growth," Economics Series 56, Institute for Advanced Studies.
  10. Richard Gilbert & Carl Shapiro, 1990. "Optimal Patent Length and Breadth," RAND Journal of Economics, The RAND Corporation, vol. 21(1), pages 106-112, Spring.
  11. Furukawa, Yuichi, 2007. "The protection of intellectual property rights and endogenous growth: Is stronger always better?," Journal of Economic Dynamics and Control, Elsevier, vol. 31(11), pages 3644-3670, November.
  12. Tandon, Pankaj, 1982. "Optimal Patents with Compulsory Licensing," Journal of Political Economy, University of Chicago Press, vol. 90(3), pages 470-86, June.
  13. Kamien, Morton I & Muller, Eitan & Zang, Israel, 1992. "Research Joint Ventures and R&D Cartels," American Economic Review, American Economic Association, vol. 82(5), pages 1293-306, December.
  14. Cozzi, Guido, 2001. " Inventing or Spying? Implications for Growth," Journal of Economic Growth, Springer, vol. 6(1), pages 55-77, March.
  15. Cozzi Guido, 2007. "The Arrow Effect under Competitive R&D," The B.E. Journal of Macroeconomics, De Gruyter, vol. 7(1), pages 1-20, January.
  16. Judd, Kenneth L, 1985. "On the Performance of Patents," Econometrica, Econometric Society, vol. 53(3), pages 567-85, May.
  17. Patrick Greenlee, 2005. "Endogenous Formation Of Competitive Research Sharing Joint Ventures," Journal of Industrial Economics, Wiley Blackwell, vol. 53(3), pages 355-391, 09.
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