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Alternative Objectives in an Oligopoly Model : An Aggregative Game Approach

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  • Itaya, Jun-ichi
  • Cornes, Richard

Abstract

A rapidly growing literature analyzes models in which firms maximize objectives other than profit and enjoy market power. Examples include the labor-managed firm, mixed oligopoly, and delegation models. These models typically retain the aggregative structure of the conventional Cournot model of imperfect competition. We exploit this fact and apply the framework recently developed by Cornes and Hartley (2005, 2011) to analyze the properties of the equilibrium in such games. We show that existing treatments often make more restrictive assumptions than necessary to generate their results. Specifically, we identify conditions sufficient to ensure the existence of a unique equilibrium, and we explore the comparative static properties of these conditions.

Suggested Citation

  • Itaya, Jun-ichi & Cornes, Richard, 2016. "Alternative Objectives in an Oligopoly Model : An Aggregative Game Approach," Discussion paper series. A 307, Graduate School of Economics and Business Administration, Hokkaido University.
  • Handle: RePEc:hok:dpaper:307
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    References listed on IDEAS

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    1. William Novshek, 1985. "On the Existence of Cournot Equilibrium," Review of Economic Studies, Oxford University Press, vol. 52(1), pages 85-98.
    2. Ritz, Robert A., 2008. "Strategic incentives for market share," International Journal of Industrial Organization, Elsevier, vol. 26(2), pages 586-597, March.
    3. Szidarovszky, F & Yakowitz, S, 1977. "A New Proof of the Existence and Uniqueness of the Cournot Equilibrium," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 18(3), pages 787-789, October.
    4. Charles D. Kolstad & Lars Mathiesen, 1987. "Necessary and Sufficient Conditions for Uniqueness of a Cournot Equilibrium," Review of Economic Studies, Oxford University Press, vol. 54(4), pages 681-690.
    5. Laffont, Jean-Jacques & Tirole, Jean, 1986. "Using Cost Observation to Regulate Firms," Journal of Political Economy, University of Chicago Press, vol. 94(3), pages 614-641, June.
    6. Fumas, Vicente Salas, 1992. "Relative performance evaluation of management : The effects on industrial competition and risk sharing," International Journal of Industrial Organization, Elsevier, vol. 10(3), pages 473-489, September.
    7. David P. Baron & David Besanko, 1984. "Regulation, Asymmetric Information, and Auditing," RAND Journal of Economics, The RAND Corporation, vol. 15(4), pages 447-470, Winter.
    8. Jansen, Thijs & van Lier, Arie & van Witteloostuijn, Arjen, 2007. "A note on strategic delegation: The market share case," International Journal of Industrial Organization, Elsevier, vol. 25(3), pages 531-539, June.
    9. Vickers, John, 1985. "Delegation and the Theory of the Firm," Economic Journal, Royal Economic Society, vol. 95(380a), pages 138-147, Supplemen.
    10. Fershtman, Chaim & Judd, Kenneth L, 1987. "Equilibrium Incentives in Oligopoly," American Economic Review, American Economic Association, vol. 77(5), pages 927-940, December.
    11. Steven D. Sklivas, 1987. "The Strategic Choice of Managerial Incentives," RAND Journal of Economics, The RAND Corporation, vol. 18(3), pages 452-458, Autumn.
    12. White, Mark D., 1996. "Mixed oligopoly, privatization and subsidization," Economics Letters, Elsevier, vol. 53(2), pages 189-195, November.
    13. Cornes, Richard & Hartley, Roger, 2012. "Fully aggregative games," Economics Letters, Elsevier, vol. 116(3), pages 631-633.
    14. Nolan Miller & Amit Pazgal, 2002. "Relative performance as a strategic commitment mechanism," Managerial and Decision Economics, John Wiley & Sons, Ltd., vol. 23(2), pages 51-68.
    15. F. H. Hahn, 1962. "The Stability of the Cournot Oligopoly Solution," Review of Economic Studies, Oxford University Press, vol. 29(4), pages 329-331.
    16. Stewart, Geoff, 1992. "Management objectives and strategic interactions among capitalist and labour-managed firms," Journal of Economic Behavior & Organization, Elsevier, vol. 17(3), pages 423-431, May.
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    Cited by:

    1. Lisa Planer-Friedrich & Marco Sahm, 2017. "Strategic Corporate Social Responsibility," CESifo Working Paper Series 6506, CESifo Group Munich.
    2. Planer-Friedrich, Lisa & Sahm, Marco, 2017. "Strategic corporate social responsibility," BERG Working Paper Series 124, Bamberg University, Bamberg Economic Research Group.

    More about this item

    Keywords

    Aggregative Game; Oligopoly; Hahn’s Condition; Non-profit Maximization; Share Function;

    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
    • L21 - Industrial Organization - - Firm Objectives, Organization, and Behavior - - - Business Objectives of the Firm

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