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Coalition-proof supply function equilibria under capacity constraints

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  • Delgado, Juan

Abstract

Whereas in the absence of capacity constraints the Cournot outcome is the unique coalition-proof supply function equilibrium outcome, the presence of capacity constraints may enlarge the set of equilibrium outcomes. Interestingly, if capacities are sufficiently asymmetric the new equilibrium prices are below the Cournot price. These results have important implications for merger and privatization policies: specifically, capacity divestiture will not necessarily imply lower market prices.

Suggested Citation

  • Delgado, Juan, 2005. "Coalition-proof supply function equilibria under capacity constraints," UC3M Working papers. Economics we052314, Universidad Carlos III de Madrid. Departamento de Economía.
  • Handle: RePEc:cte:werepe:we052314
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    References listed on IDEAS

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    1. Delgado, Juan & Moreno, Diego, 2004. "Coalition-proof supply function equilibria in oligopoly," Journal of Economic Theory, Elsevier, vol. 114(2), pages 231-254, February.
    2. Konishi, Hideo & Le Breton, Michel & Weber, Shlomo, 1999. "On Coalition-Proof Nash Equilibria in Common Agency Games," Journal of Economic Theory, Elsevier, vol. 85(1), pages 122-139, March.
    3. Grossman, Sanford J, 1981. "Nash Equilibrium and the Industrial Organization of Markets with Large Fixed Costs," Econometrica, Econometric Society, vol. 49(5), pages 1149-1172, September.
    4. Ferreira, Jos e Luis, 1996. "A Communication-Proof Equilibrium Concept," Journal of Economic Theory, Elsevier, vol. 68(1), pages 249-257, January.
    5. Kai-Uwe Kuhn, 1997. "Nonlinear Pricing in Vertically Related Duopolies," RAND Journal of Economics, The RAND Corporation, vol. 28(1), pages 37-62, Spring.
    6. Prabal Chowdhury & Kunal Sengupta, 2004. "Coalition-proof Bertrand equilibria," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 24(2), pages 307-324, August.
    7. Robert Wilson, 1979. "Auctions of Shares," The Quarterly Journal of Economics, Oxford University Press, vol. 93(4), pages 675-689.
    8. Bernheim, B. Douglas & Whinston, Michael D., 1987. "Coalition-Proof Nash Equilibria II. Applications," Journal of Economic Theory, Elsevier, vol. 42(1), pages 13-29, June.
    9. Green, Richard J & Newbery, David M, 1992. "Competition in the British Electricity Spot Market," Journal of Political Economy, University of Chicago Press, vol. 100(5), pages 929-953, October.
    10. Compte, Olivier & Jenny, Frederic & Rey, Patrick, 2002. "Capacity constraints, mergers and collusion," European Economic Review, Elsevier, vol. 46(1), pages 1-29, January.
    11. Klemperer, Paul D & Meyer, Margaret A, 1989. "Supply Function Equilibria in Oligopoly under Uncertainty," Econometrica, Econometric Society, vol. 57(6), pages 1243-1277, November.
    12. Bernheim, B. Douglas & Peleg, Bezalel & Whinston, Michael D., 1987. "Coalition-Proof Nash Equilibria I. Concepts," Journal of Economic Theory, Elsevier, vol. 42(1), pages 1-12, June.
    13. Noe, Thomas H, 1998. "Rationalizable and Coalition Proof Shareholder Tendering Strategies in Corporate Takeovers," Review of Quantitative Finance and Accounting, Springer, vol. 11(3), pages 269-291, November.
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    Cited by:

    1. repec:ebl:ecbull:eb-18-00076 is not listed on IDEAS
    2. Willems, Bert & Rumiantseva, Ina & Weigt, Hannes, 2009. "Cournot versus Supply Functions: What does the data tell us?," Energy Economics, Elsevier, vol. 31(1), pages 38-47, January.
    3. Michal Król, 2012. "‘Everything must go!’- Cournot as a Stable Convention within Strategic Supply Function Competition," The School of Economics Discussion Paper Series 1217, Economics, The University of Manchester.
    4. repec:spr:jogath:v:46:y:2017:i:2:d:10.1007_s00182-016-0542-x is not listed on IDEAS
    5. Saglam, Ismail, 2017. "A Note on the Desirability of the Supply Function Competition with Demand Uncertainty," MPRA Paper 82995, University Library of Munich, Germany.
    6. Genc, Talat S. & Reynolds, Stanley S., 2011. "Supply function equilibria with capacity constraints and pivotal suppliers," International Journal of Industrial Organization, Elsevier, vol. 29(4), pages 432-442, July.

    More about this item

    JEL classification:

    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L51 - Industrial Organization - - Regulation and Industrial Policy - - - Economics of Regulation

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