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Networks for Collaboration in Oligopoly

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Author Info
Goyal, S.
Joshi, S.

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Abstract

In an oligopoly, prior to choosing quantities/prices, each firm has an opportunity to form pair-wise collaborative links with other firms. These pair-wise links defines a collaboration network. We study stable and efficient networks under different types of market competition. We find that except under extreme competition, a la Bertrand, firms have an incentive to collaborate with their competitors to lower costs of production. We find that two simple architectures, the complete network, where every firm has a collaboration link with every other firm, and the network with a dominant group, which contains a large number of completeluy connected firms and several isolated firms, are stable under different market conditions. We also observe that stable networks are often efficient, from a social point of view.

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Publisher Info
Paper provided by Erasmus University of Rotterdam - Econometric Institute in its series Papers with number 9952/a.

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Length: 44 pages
Date of creation: 1999
Date of revision:
Handle: RePEc:fth:erroem:9952/a

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Related research
Keywords: OLIGOPOLIES ; PRICING ; COMPETITION;

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Find related papers by JEL classification:
D40 - Microeconomics - - Market Structure and Pricing - - - General
D43 - Microeconomics - - Market Structure and Pricing - - - Oligopoly and Other Forms of Market Imperfection

References listed on IDEAS
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  1. d'Aspremont, Claude & Jacquemin, Alexis, 1988. "Cooperative and Noncooperative R&D in Duopoly with Spillovers," American Economic Review, American Economic Association, vol. 78(5), pages 1133-37, December. [Downloadable!] (restricted)
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  3. Kamien, Morton I & Muller, Eitan & Zang, Israel, 1992. "Research Joint Ventures and R&D Cartels," American Economic Review, American Economic Association, vol. 82(5), pages 1293-306, December. [Downloadable!] (restricted)
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  6. Sang-Seung Yi, 1998. "Endogenous Formation of Joint Ventures with Efficiency Gains," RAND Journal of Economics, The RAND Corporation, vol. 29(3), pages 610-631, Autumn. [Downloadable!] (restricted)
  7. Prokop, Jacek, 1999. "Process of dominant-cartel formation," International Journal of Industrial Organization, Elsevier, vol. 17(2), pages 241-257, February. [Downloadable!] (restricted)
  8. Kotaro Suzumura, 1990. "Cooperative and Non-cooperative R&D in Oligopoly with Spillovers," Discussion Paper Series a218, Institute of Economic Research, Hitotsubashi University.
  9. Ray, Debraj & Vohra, Rajiv, 1997. "Equilibrium Binding Agreements," Journal of Economic Theory, Elsevier, vol. 73(1), pages 30-78, March. [Downloadable!] (restricted)
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  10. Roger B. Myerson, 1976. "Graphs and Cooperation in Games," Discussion Papers 246, Northwestern University, Center for Mathematical Studies in Economics and Management Science. [Downloadable!]
  11. Debraj Ray & Rajiv Vohra, 1998. "A Theory of Endogenous Coalition Structures," Working Papers 98-1, Brown University, Department of Economics, revised Jan 1998.
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  12. Leahy, Dermot & Neary, J Peter, 1997. "Public Policy towards R&D in Oligopolistic Industries," American Economic Review, American Economic Association, vol. 87(4), pages 642-62, September. [Downloadable!] (restricted)
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  13. Jackson, Matthew O. & Wolinsky, Asher, 1996. "A Strategic Model of Social and Economic Networks," Journal of Economic Theory, Elsevier, vol. 71(1), pages 44-74, October. [Downloadable!] (restricted)
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  14. Bloch, Francis, 1996. "Sequential Formation of Coalitions in Games with Externalities and Fixed Payoff Division," Games and Economic Behavior, Elsevier, vol. 14(1), pages 90-123, May. [Downloadable!] (restricted)
  15. Yi, Sang-Seung, 1997. "Stable Coalition Structures with Externalities," Games and Economic Behavior, Elsevier, vol. 20(2), pages 201-237, August. [Downloadable!] (restricted)
  16. Francis Bloch, 1995. "Endogenous Structures of Association in Oligopolies," RAND Journal of Economics, The RAND Corporation, vol. 26(3), pages 537-556, Autumn. [Downloadable!] (restricted)
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