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Effects of One-Way Spillovers on Market Shares, Industry Price, Welfare, and R & D Cooperation

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Author Info
Rabah Amir
John Wooders

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Abstract

With one-way spillovers, the standard symmetric two-period R&D model leads to an asymmetric equilibrium only, with endogeneous innovator and imitator roles. We show how R&D decisions and measures of firm heterogeneity-market shares, R&D shares, and profits-depend on spillovers and on R&D costs. While a joint lab always improves on consumer welfare, it yields higher profits, cost reductions, and social welfare only under extra assumptions, beyond those required with multidirectional spillovers. Finally, the novel issue of optimal R&D cartels is addressed. We show an optimal R&D cartel may seek to minimize R&D spillovers between its members. Copyright (c) 1999 Massachusetts Institute of Technology.

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Publisher Info
Article provided by Blackwell Publishing in its journal Journal of Economics & Management Strategy.

Volume (Year): 8 (1999)
Issue (Month): 2 (06)
Pages: 223-249
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Handle: RePEc:bla:jemstr:v:8:y:1999:i:2:p:223-249

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  1. Rabah Amir & Filomena Garcia & Malgorzata Knauff, 2006. "Endogenous Heterogeneity in Strategic Models: Symmetry-breaking via Strategic Substitutes and Nonconcavities," Working Papers 2006/29, Department of Economics at the School of Economics and Management (ISEG), Technical University of Lisbon.. [Downloadable!]
    Other versions:
  2. C. Halmenschlager, 2004. "Spillovers and Absorptive Capacity in a Patent Race," Working Papers ERMES 0409, ERMES, University Paris 2. [Downloadable!]
    Other versions:
  3. Sami Dakhlia & Flavio M. Menezes & Akram Temimi, 2005. "The Role of R&D Technology in Asymmetric Research Joint Ventures," Microeconomics 0505003, EconWPA. [Downloadable!]
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  4. Gamal Atallah, 2003. "Information sharing and the stability of cooperation in research joint ventures," Economics of Innovation and New Technology, Taylor and Francis Journals, vol. 12(6), pages 531-554, January. [Downloadable!] (restricted)
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  5. C. Halmenschlager, 2003. "Les externalités de diffusion du savoir-faire permettent- elles de rattraper le retard dans les courses à l'innovation," Working Papers ERMES 0304, ERMES, University Paris 2. [Downloadable!]
    Other versions:
  6. Gamal Atallah, 2005. "Research Joint Ventures Cartelization with Asymmetric R&D Spillovers," Economics Bulletin, Economics Bulletin, vol. 12(18), pages 1-11. [Downloadable!]
  7. Nisvan Erkal:Daniel Piccinin, 2007. "Cooperative R&D under Uncertainty with Free Entry," Department of Economics - Working Papers Series 999, The University of Melbourne. [Downloadable!]
  8. Claudio A. Piga & Marco Vivarelli, 2003. "Internal and External R&D: A Sample Selection Approach," Papers on Entrepreneurship, Growth and Public Policy 2004-05, Max Planck Institute of Economics, Entrepreneurship, Growth and Public Policy Group. [Downloadable!]
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  9. Temimi, Akram & Dakhlia, Sami & Menezes, Flavio Marques, 2001. "Duplication of R D and Industry Concentration," Economics Working Papers (Ensaios Economicos da EPGE) 437, Graduate School of Economics, Getulio Vargas Foundation (Brazil). [Downloadable!]
  10. Amir, Rabah & Wooders, John, 1997. "One-Way Spillovers, Endogenous Innovator/Imitator Roles and Research Joint Ventures," Economics Series 43, Institute for Advanced Studies. [Downloadable!]
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  11. Christine Halmenschlager, 2004. "R&D-cooperating laggards versus a technological leader," Economics of Innovation and New Technology, Taylor and Francis Journals, vol. 13(8), pages 717-732, December. [Downloadable!] (restricted)
    Other versions:
  12. Christian Wey, 1999. "Compatibility Investments in Duopoly with Demand Side Spillovers under Different Degrees of Cooperation," CIG Working Papers FS IV 99-02, Wissenschaftszentrum Berlin (WZB), Research Unit: Competition and Innovation (CIG), revised Aug 1999. [Downloadable!]
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