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Mixed oligopoly equilibria when firms' objectives are endogenous

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  • De Donder, Philippe
  • Roemer, John E.

Abstract

We study a vertically differentiated market where two firms simultaneously choose the quality and price of the good they sell and where consumers may also care for the average quality of the goods supplied. Firms are composed of two factions whose objectives differ: one is maximizing profit while the other maximizes revenues. The equilibrium concept we model, called Firm Unanimity Nash Equilibrium (FUNE), corresponds to the Nash equilibrium between firms when there is efficient bargaining between the two factions inside both firms. We first show that such equilibria are inefficient, with both firms underproviding quality. We then assume that the government takes a participation in one firm, which introduces a third faction, bent on welfare maximization, in that firm. We study the characteristics of equilibria as a function of the bargaining weight of the welfare-maximizing faction. We show that equilibrium welfare increases with this bargaining weight, especially if consumers care a lot for the average quality of the goods provided.

Suggested Citation

  • De Donder, Philippe & Roemer, John E., 2009. "Mixed oligopoly equilibria when firms' objectives are endogenous," International Journal of Industrial Organization, Elsevier, vol. 27(3), pages 414-423, May.
  • Handle: RePEc:eee:indorg:v:27:y:2009:i:3:p:414-423
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    4. Stefan Lutz & Mario Pezzino, 2010. "Mixed oligopoly, vertical product differentiation and fixed qualitydependent costs," Economics Discussion Paper Series 1015, Economics, The University of Manchester.
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    More about this item

    Keywords

    Mixed oligopoly Privatization Vertical differentiation Factions Party-unanimity Nash equilibrium;

    JEL classification:

    • D21 - Microeconomics - - Production and Organizations - - - Firm Behavior: Theory
    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • D62 - Microeconomics - - Welfare Economics - - - Externalities
    • H82 - Public Economics - - Miscellaneous Issues - - - Governmental Property

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