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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 (Institute of Economics, University of Copenhagen)
John Wooders (University of Arizona)

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Abstract

With one-way spillovers, the standard symmetric two-period R&D model leads to an asymmetric equilibrium only, with endogenous innovator and imitator. 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 multi-directional spillovers. Finally, the novel issue of optimal R&D cartels (with an endogenous spillover parameter) is addressed. In particular, the latter can be zero under some conditions.

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Publisher Info
Paper provided by University of Copenhagen. Department of Economics. Centre for Industrial Economics in its series CIE Discussion Papers with number 1998-09.

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Length: 27 pages
Date of creation: Feb 1998
Date of revision:
Publication status: Published in: Journal of Economics & Management Strategy, 8(2) 1999, 223-249
Handle: RePEc:kud:kuieci:1998-09

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Related research
Keywords: strategic R&D; Cournot duopoly; one-Way spillovers; endogenous heterogenous; research Joint ventures;

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Find related papers by JEL classification:
D43 - Microeconomics - - Market Structure and Pricing - - - Oligopoly and Other Forms of Market Imperfection
L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
O31 - Economic Development, Technological Change, and Growth - - Technological Change - - - Innovation and Invention: Processes and Incentives

Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  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!]
  3. Sami Dakhlia & Flavio M. Menezes & Akram Temimi, 2005. "The Role of R&D Technology in Asymmetric Research Joint Ventures," Microeconomics 0505003, EconWPA. [Downloadable!]
    Other versions:
  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)
    Other versions:
  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!]
  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!]
    Other versions:
  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!]
    Other versions:
  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)
  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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