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Patents and Licenses

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  • Yair Tauman

    ()
    (Department of Economics, Stony Brook University)

  • Debrapiya Sen

    ()
    (Department of Economics, Ryerson University, Toronto, ON, Canada.)

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    Abstract

    This article considers the problem of patent licensing in a Cournot oligopoly under a class of general demand functions. We consider two cases, the case where the innovator is an outsider and the one where it is one of the incumbent rms. The licensing policies considered are upfront fees, royalties and combinations of the two. It is shown that (i) for generic values of magnitudes of the innovation, a royalty policy is better than fee or auction provided the industry size is relatively large, (ii) under combinations of fees and royalties, provided the innovation is relatively signi cant (or the industry size is relatively large), (a) there is always an optimal policy where the innovation is licensed to practically all rms of the industry and (b) any optimal combination includes a positive royalty.

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    File URL: http://www.stonybrook.edu/economics/research/papers/2012/licensingDeb-Yair.pdf
    File Function: First version, 2012
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    Bibliographic Info

    Paper provided by Stony Brook University, Department of Economics in its series Department of Economics Working Papers with number 12-05.

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    Date of creation: Aug 2012
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    Handle: RePEc:nys:sunysb:12-05

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    Postal: Stony Brook, NY 11794-4384
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    Web page: http://www.stonybrook.edu/economics
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    1. Giebe, Thomas & Wolfstetter, Elmar, 2008. "License auctions with royalty contracts for (winners and) losers," Games and Economic Behavior, Elsevier, vol. 63(1), pages 91-106, May.
    2. Tauman, Yair & Weng, Ming-Hung, 2012. "Selling patent rights and the incentive to innovate," Economics Letters, Elsevier, vol. 114(3), pages 241-244.
    3. Katz, Michael L & Shapiro, Carl, 1986. "How to License Intangible Property," The Quarterly Journal of Economics, MIT Press, vol. 101(3), pages 567-89, August.
    4. Inés MACHO-STADLER & David PEREZ-CASTRILLO, 1991. "Contrats de licences et asymétrie d'information," Annales d'Economie et de Statistique, ENSAE, issue 24, pages 189-208.
    5. Debapriya Sen & Giorgos Stamatopoulos, 2009. "Technology Transfer Under Returns To Scale," Manchester School, University of Manchester, vol. 77(3), pages 337-365, 06.
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    7. Kamien, Morton I. & Oren, Shmuel S. & Tauman, Yair, 1992. "Optimal licensing of cost-reducing innovation," Journal of Mathematical Economics, Elsevier, vol. 21(5), pages 483-508.
    8. Chun-Hsiung Liao & Debapriya Sen, 2005. "Subsidy In Licensing: Optimality And Welfare Implications," Manchester School, University of Manchester, vol. 73(3), pages 281-299, 06.
    9. Jelnov, Artyom & Tauman, Yair, 2009. "The private value of a patent: A cooperative approach," Mathematical Social Sciences, Elsevier, vol. 58(1), pages 84-97, July.
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    12. San Martín, Marta & Saracho, Ana I., 2010. "Royalty licensing," Economics Letters, Elsevier, vol. 107(2), pages 284-287, May.
      • San Martín Lizarralde, Marta & Saracho de la Torre, Ana Isabel, 2009. "Royalty Licensing," IKERLANAK 2009-40, Universidad del País Vasco - Departamento de Fundamentos del Análisis Económico I.
    13. Stamatopoulos, Giorgos & Tauman, Yair, 2008. "Licensing of a quality-improving innovation," Mathematical Social Sciences, Elsevier, vol. 56(3), pages 410-438, November.
    14. Wang, X. Henry, 1998. "Fee versus royalty licensing in a Cournot duopoly model," Economics Letters, Elsevier, vol. 60(1), pages 55-62, July.
    15. Choi, J.P., 1995. "Technology Transfer with Moral Hazard," Discussion Papers 1995_16, Columbia University, Department of Economics.
    16. Erkal, Nisvan, 2005. "The decision to patent, cumulative innovation, and optimal policy," International Journal of Industrial Organization, Elsevier, vol. 23(7-8), pages 535-562, September.
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    18. Nisvan Erkal, 2004. "Optimal Licensing Policy in Differentiated Industries," Department of Economics - Working Papers Series 894, The University of Melbourne.
    19. Arijit Mukherjee, 2001. "Technology transfer with commitment," Economic Theory, Springer, vol. 17(2), pages 345-369.
    20. Tarun Kabiraj, 2005. "Technology Transfer In A Stackelberg Structure: Licensing Contracts And Welfare," Manchester School, University of Manchester, vol. 73(1), pages 1-28, 01.
    21. Sen, Debapriya, 2005. "Fee versus royalty reconsidered," Games and Economic Behavior, Elsevier, vol. 53(1), pages 141-147, October.
    22. Sougata Poddar & Uday Bhanu Sinha, 2004. "On Patent Licensing in Spatial Competition," The Economic Record, The Economic Society of Australia, vol. 80(249), pages 208-218, 06.
    23. Rockett, Katharine, 1990. "The quality of licensed technology," International Journal of Industrial Organization, Elsevier, vol. 8(4), pages 559-574, December.
    24. Wang, X Henry & Yang, Bill Z, 1999. "On Licensing under Bertrand Competition," Australian Economic Papers, Wiley Blackwell, vol. 38(2), pages 106-19, June.
    25. Luigi Filippini, 2005. "Licensing Contract In A Stackelberg Model," Manchester School, University of Manchester, vol. 73(5), pages 582-598, 09.
    26. Tarun Kabiraj, 2004. "Patent Licensing in a Leadership Structure," Manchester School, University of Manchester, vol. 72(2), pages 188-205, 03.
    27. Muto, Shigeo, 1987. "Possibility of relicensing and patent protection," European Economic Review, Elsevier, vol. 31(4), pages 927-945, June.
    28. Yair Tauman & Naoki Watanabe, 2007. "The Shapley Value of a Patent Licensing Game: the Asymptotic Equivalence to Non-cooperative Results," Economic Theory, Springer, vol. 30(1), pages 135-149, January.
    29. Kamien, Morton I & Tauman, Yair, 1986. "Fees versus Royalties and the Private Value of a Patent," The Quarterly Journal of Economics, MIT Press, vol. 101(3), pages 471-91, August.
    30. Naoki Watanabe & Shigeo Muto, 2008. "Stable profit sharing in a patent licensing game: general bargaining outcomes," International Journal of Game Theory, Springer, vol. 37(4), pages 505-523, December.
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