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Vertical Integration and Patent Licensing in Upstream and Downstream Markets

  • Bouguezzi, Fehmi
  • EL ELJ, Moez

The present paper studies and compares different vertical integration structures on consumers and total surplus with licensing by mean of a fixed fee in two successive homogeneous-good Cournot duopolies where one of the firms in each market has a different cost-reducing innovation. The key difference between the present model and models in the existing literature is that here we suppose the existence of two different patents in upstream and downstream markets. In each market we find two firms: the patent holding firm and a non innovative firm. In upstream market, the innovative firm owns an innovation allowing to reduce the input marginal production cost. In downstream market the innovative firm owns an innovation allowing to reduce marginal cost of transforming the input into output. We discuss different structures of vertical integration and we show that consumer surplus and total surplus are depending of cost-reducing innovation in upstream and downstream markets and the structure of vertical integration.

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File URL: http://mpra.ub.uni-muenchen.de/22212/1/MPRA_paper_22212.pdf
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Paper provided by University Library of Munich, Germany in its series MPRA Paper with number 22212.

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Date of creation: 03 Jun 2009
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Handle: RePEc:pra:mprapa:22212
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  1. Fauli-Oller, Ramon & Sandonis, Joel, 2003. "To merge or to license: implications for competition policy," International Journal of Industrial Organization, Elsevier, vol. 21(5), pages 655-672, May.
  2. Matsushima, Noriaki, 2004. "Technology of upstream firms and equilibrium product differentiation," International Journal of Industrial Organization, Elsevier, vol. 22(8-9), pages 1091-1114, November.
  3. Sandonis, Joel & Fauli-Oller, Ramon, 2006. "On the competitive effects of vertical integration by a research laboratory," International Journal of Industrial Organization, Elsevier, vol. 24(4), pages 715-731, July.
  4. Stefan Buehler & Armin Schmutzler, 2004. "Intimidating Competitors – Endogenous Vertical Integration and Downstream Investment in Successive Oligopoly," SOI - Working Papers 0409, Socioeconomic Institute - University of Zurich, revised Jul 2005.
  5. 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.
  6. 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.
  7. Wang, X. Henry, 1998. "Fee versus royalty licensing in a Cournot duopoly model," Economics Letters, Elsevier, vol. 60(1), pages 55-62, July.
  8. Sen, Debapriya, 2005. "Fee versus royalty reconsidered," Games and Economic Behavior, Elsevier, vol. 53(1), pages 141-147, October.
  9. Lemarié, S., 2005. "Vertical integration and the licensing of innovation with a fixed fee or a royalty," Working Papers 200517, Grenoble Applied Economics Laboratory (GAEL).
  10. van Triest, Sander & Vis, Wim, 2007. "Valuing patents on cost-reducing technology: A case study," International Journal of Production Economics, Elsevier, vol. 105(1), pages 282-292, January.
  11. David Encaoua & Yassine Lefouili, 2006. "Choosing Intellectual Protection: Imitation, Patent Strength and Licensing," Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) halshs-00177619, HAL.
  12. 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.
  13. Arijit Mukherjee2 & Piercarlo Zanchettin, 2007. "Vertical integration and product innovation," Discussion Papers in Economics 07/12, Department of Economics, University of Leicester.
  14. Sharmila Vishwasrao, 2004. "Royalties vs. fees: How do firms pay for foreign technology?," Working Papers 04023, Department of Economics, College of Business, Florida Atlantic University, revised Sep 2006.
  15. repec:ebl:ecbull:v:4:y:2002:i:6:p:1-6 is not listed on IDEAS
  16. L. Lambertini & G. Rossini, 2003. "Vertical Integration and Differentiation in an Oligopoly with Process Innovating R&D," Working Papers 468, Dipartimento Scienze Economiche, Universita' di Bologna.
  17. Brocas, Isabelle, 2003. "Vertical integration and incentives to innovate," International Journal of Industrial Organization, Elsevier, vol. 21(4), pages 457-488, April.
  18. Henry Wang, X., 2002. "Fee versus royalty licensing in a differentiated Cournot duopoly," Journal of Economics and Business, Elsevier, vol. 54(2), pages 253-266.
  19. Schmidt, Klaus M., 2006. "Licensing Complementary Patents and Vertical Integration," CEPR Discussion Papers 5987, C.E.P.R. Discussion Papers.
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