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Comparing Cournot and Bertrand Competition in a Unionized Mixed Duopoly

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  • Choi, Kangsik

Abstract

We investigate a differentiated mixed duopoly in which private and public firms can choose to strategically set prices or quantities by facing a union bargaining process. For the case of a unionized mixed duopoly, only the public firm is able to choose a type of contract irrespective of whether the goods are substitutes or complements in the equilibrium. Thus, we show that social welfare under Bertrand competition is always determined by the public firm's dominant strategy, wherein the Bertrand competition entails higher social welfare than the Cournot competition. Moreover, there are multiple Nash equilibria in the contract stage of the game. Finally, our main results hold irrespective of the nature of goods, with the exception of when a sufficiently large parameter of complements is employed, the ranking of private firm's profit is not reversed, which is contrast to the standard findings.

Suggested Citation

  • Choi, Kangsik, 2008. "Comparing Cournot and Bertrand Competition in a Unionized Mixed Duopoly," MPRA Paper 15468, University Library of Munich, Germany, revised 27 May 2009.
  • Handle: RePEc:pra:mprapa:15468
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    File URL: https://mpra.ub.uni-muenchen.de/15468/1/MPRA_paper_15468.pdf
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    References listed on IDEAS

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    Cited by:

    1. Kangsik, Choi, 2011. "Cournot and Bertrand competition with asymmetric costs in a mixed duopoly," MPRA Paper 34100, University Library of Munich, Germany.
    2. Ghosh, Arghya & Mitra, Manipushpak, 2010. "Comparing Bertrand and Cournot in mixed markets," Economics Letters, Elsevier, vol. 109(2), pages 72-74, November.

    More about this item

    Keywords

    Wage Bargaining; Union; Cournot-Bertrand Competition; Mixed Duopoly.;

    JEL classification:

    • J51 - Labor and Demographic Economics - - Labor-Management Relations, Trade Unions, and Collective Bargaining - - - Trade Unions: Objectives, Structure, and Effects
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
    • H44 - Public Economics - - Publicly Provided Goods - - - Publicly Provided Goods: Mixed Markets

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