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Patents, Research Exemption, and the Incentive for Sequential Innovation

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  • GianCarlo Moschini
  • Oleg Yerokhin

Abstract

"We develop a quality ladder model to study the R&D incentive impacts of intellectual property rights with a "research exemption" or "experimental use" provision. The innovation process is sequential and cumulative and takes place alongside production in an infinite-horizon setting. We solve the model under two distinct intellectual property regimes, characterize the properties of the relevant Markov perfect equilibria, and investigate the profit and welfare effects of the research exemption. We find that firms, ex ante , always prefer full patent protection. The welfare ranking of the two intellectual property regimes, on the other hand, depends on the relative magnitudes of the costs of initial innovation and improvements." Copyright (c) 2008, The Author(s) Journal Compilation (c) 2008 Blackwell Publishing.

Suggested Citation

  • GianCarlo Moschini & Oleg Yerokhin, 2008. "Patents, Research Exemption, and the Incentive for Sequential Innovation," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 17(2), pages 379-412, June.
  • Handle: RePEc:bla:jemstr:v:17:y:2008:i:2:p:379-412
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    References listed on IDEAS

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    1. Robert M. Hunt, 2004. "Patentability, Industry Structure, and Innovation," Journal of Industrial Economics, Wiley Blackwell, vol. 52(3), pages 401-425, September.
    2. James Bessen & Eric Maskin, 2009. "Sequential innovation, patents, and imitation," RAND Journal of Economics, RAND Corporation, vol. 40(4), pages 611-635.
    3. Ted O'Donoghue & Suzanne Scotchmer & Jacques-François Thisse, 1998. "Patent Breadth, Patent Life, and the Pace of Technological Progress," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 7(1), pages 1-32, March.
    4. Bessen, James, 2004. "Holdup and licensing of cumulative innovations with private information," Economics Letters, Elsevier, vol. 82(3), pages 321-326, March.
    5. Denicolo, Vincenzo & Zanchettin, Piercarlo, 2002. "How should forward patent protection be provided?," International Journal of Industrial Organization, Elsevier, vol. 20(6), pages 801-827, June.
    6. Suzanne Scotchmer, 1991. "Standing on the Shoulders of Giants: Cumulative Research and the Patent Law," Journal of Economic Perspectives, American Economic Association, vol. 5(1), pages 29-41, Winter.
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    Cited by:

    1. Moschini, GianCarlo, 2010. "Competition Issues in the Seed Industry and the Role of Intellectual Property," Choices, Agricultural and Applied Economics Association, vol. 25(2).
    2. Baudry Marc & Hervouet Adrien, 2016. "Innovation in the Seed Market: The Role of IPRs and Commercialization Rules," Journal of Agricultural & Food Industrial Organization, De Gruyter, vol. 14(1), pages 51-68, May.
    3. Robert M. Hunt, 2007. "Economics and the design of patent systems," Working Papers 07-6, Federal Reserve Bank of Philadelphia.
    4. Hervouet, Adrien & Langinier, Corinne, 2015. "Plant Breeders’ Rights, Patents and Incentives to Innovate," Working Papers 2015-7, University of Alberta, Department of Economics.
    5. Lence, Sergio H. & Hayes, Dermot J. & Alston, Julian & Smith, J. Stephen C., 2015. "Intellectual Property in Plant Breeding: Comparing Different Levels and Forms of Protection," Staff General Research Papers Archive 38978, Iowa State University, Department of Economics.
    6. Brüggemann, Julia & Crosetto, Paolo & Meub, Lukas & Bizer, Kilian, 2016. "Intellectual property rights hinder sequential innovation. Experimental evidence," Research Policy, Elsevier, vol. 45(10), pages 2054-2068.
    7. Robert M. Hunt, 2010. "Business Method Patents And U.S. Financial Services," Contemporary Economic Policy, Western Economic Association International, vol. 28(3), pages 322-352, July.
    8. Marc Baudry & Adrien Hervouet, 2014. "Promoting innovation on the seed market and biodiversity: the role of IPRs and commercialisation rules," EconomiX Working Papers 2014-32, University of Paris Nanterre, EconomiX.

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