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The road not taken: competition and the R&D portfolio

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  • Igor Letina

Abstract

This article examines the effects of market structure on the variety of research projects undertaken and the amount of duplication of research. A characterization of the equilibrium market portfolio of R&D projects and the socially optimal portfolio is provided. It is shown that a merger decreases the variety of developed projects and decreases the amount of duplication of research. An increase in the intensity of competition among firms leads to an increase in the variety of developed projects and a decrease in the amount of duplication of research.

Suggested Citation

  • Igor Letina, 2013. "The road not taken: competition and the R&D portfolio," ECON - Working Papers 127, Department of Economics - University of Zurich, revised Aug 2015.
  • Handle: RePEc:zur:econwp:127
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    References listed on IDEAS

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    1. Philippe Aghion & Nick Bloom & Richard Blundell & Rachel Griffith & Peter Howitt, 2005. "Competition and Innovation: an Inverted-U Relationship," The Quarterly Journal of Economics, Oxford University Press, vol. 120(2), pages 701-728.
    2. Reynolds, Stanley S & Isaac, R Mark, 1992. "Stochastic Innovation and Product Market Organization," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 2(4), pages 525-545, October.
    3. Raaj Kumar Sah & Joseph E. Stiglitz, 1987. "The Invariance of Market Innovation to the Number of Firms," RAND Journal of Economics, The RAND Corporation, vol. 18(1), pages 98-108, Spring.
    4. Illoong Kwon, 2010. "R&D Portfolio and Market Structure," Economic Journal, Royal Economic Society, vol. 120(543), pages 313-323, March.
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    6. Philippe Aghion & Christopher Harris & Peter Howitt & John Vickers, 2001. "Competition, Imitation and Growth with Step-by-Step Innovation," Review of Economic Studies, Oxford University Press, vol. 68(3), pages 467-492.
    7. Tor Klette & David de Meza, 1986. "Is the Market Biased Against Risky R&D?," RAND Journal of Economics, The RAND Corporation, vol. 17(1), pages 133-139, Spring.
    8. Dasgupta, Partha & Stiglitz, Joseph, 1980. "Industrial Structure and the Nature of Innovative Activity," Economic Journal, Royal Economic Society, vol. 90(358), pages 266-293, June.
    9. Fershtman, Chaim & Rubinstein, Ariel, 1997. "A Simple Model of Equilibrium in Search Procedures," Journal of Economic Theory, Elsevier, vol. 72(2), pages 432-441, February.
    10. Kaylan Chatterjee & Robert Evans, 2004. "Rivals' Search for Buried Treasure: Competition and Duplication in R&D," RAND Journal of Economics, The RAND Corporation, vol. 35(1), pages 160-183, Spring.
    11. Herman C. Quirmbach, 1993. "R&D: Competition, Risk, and Performance," RAND Journal of Economics, The RAND Corporation, vol. 24(2), pages 157-197, Summer.
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    Cited by:

    1. repec:cpr:ceprdp:14188 is not listed on IDEAS
    2. Jean-Michel Benkert & Igor Letina, 2016. "Designing dynamic research contests," ECON - Working Papers 235, Department of Economics - University of Zurich, revised Aug 2019.
    3. Richard J. Gilbert, 2019. "Competition, Mergers, and R&D Diversity," Review of Industrial Organization, Springer;The Industrial Organization Society, vol. 54(3), pages 465-484, May.
    4. Giulio Federico & Fiona Scott Morton & Carl Shapiro, 2019. "Antitrust and Innovation: Welcoming and Protecting Disruption," NBER Chapters, in: Innovation Policy and the Economy, Volume 20, pages 125-190, National Bureau of Economic Research, Inc.
    5. José Luis Moraga-González & Evgenia Motchenkova & Saish Nevrekar, 2019. "Mergers and Innovation Portfolios," Tinbergen Institute Discussion Papers 19-085/VII, Tinbergen Institute.

    More about this item

    Keywords

    Innovation; competition; R&D portfolio; market structure;

    JEL classification:

    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L22 - Industrial Organization - - Firm Objectives, Organization, and Behavior - - - Firm Organization and Market Structure
    • O31 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Innovation and Invention: Processes and Incentives

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