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A Mixed Oligopoly Where Private Firms Survive Welfare Maximisation

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  • Johan Willner

Abstract

Conventional models of a mixed oligopoly usually predict modest welfare improvements, because they are based on assumptions of increasing marginal costs and/or relative inefficiency in the public firm. Both assumptions can be questioned, but it is well known that the private firms would otherwise exit. This contribution shows that public and private firms can coexist in a welfare-improving mixed oligopoly without such assumptions, even in the limited case where (almost) only consumer benefits matter, if welfare is defined through a multiplicative function where also the distribution of payoffs matter. Output then corresponds to a hypothetical free-entry equilibrium, but with less duplication of fixed costs. Copyright Springer Science + Business Media, LLC 2006

Suggested Citation

  • Johan Willner, 2006. "A Mixed Oligopoly Where Private Firms Survive Welfare Maximisation," Journal of Industry, Competition and Trade, Springer, vol. 6(3), pages 235-251, December.
    • Handle: RePEc:kap:jincot:v:6:y:2006:i:3:p:235-251
    DOI: 10.1007/s10842-006-8429-3
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    Cited by:

    1. Kangsik Choi & Yuanzhu Lu, 2009. "A Model Of Endogenous Payoff Motives And Endogenous Timing In A Mixed Duopoly," Australian Economic Papers, Wiley Blackwell, vol. 48(3), pages 203-223, September.
    2. Choi, Kangsik, 2009. "Government's Preference and Timing of Endogenous Wage Setting: Perspectives on Privatization and Mixed Duopoly," MPRA Paper 17221, University Library of Munich, Germany.
    3. Johan Willner, 2013. "The welfare impact of a managerial oligopoly with an altruistic firm," Journal of Economics, Springer, vol. 109(2), pages 97-115, June.
    4. Choi, Kangsik, 2011. "Unions, government's preference, and privatization," Economic Modelling, Elsevier, vol. 28(6), pages 2502-2508.
    5. Choi, Kangsik, 2013. "Unionized Mixed Oligopoly and Privatization with Excess Burden of Taxation," MPRA Paper 51156, University Library of Munich, Germany.
    6. Herr Annika, 2011. "Quality and Welfare in a Mixed Duopoly with Regulated Prices: The Case of a Public and a Private Hospital," German Economic Review, De Gruyter, vol. 12(4), pages 422-437, December.

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    More about this item

    Keywords

    mixed oligopoly; welfare maximisation; cost efficiency; L32; L33; L44; H42;
    All these keywords.

    JEL classification:

    • L32 - Industrial Organization - - Nonprofit Organizations and Public Enterprise - - - Public Enterprises; Public-Private Enterprises
    • L33 - Industrial Organization - - Nonprofit Organizations and Public Enterprise - - - Comparison of Public and Private Enterprise and Nonprofit Institutions; Privatization; Contracting Out
    • L44 - Industrial Organization - - Antitrust Issues and Policies - - - Antitrust Policy and Public Enterprise, Nonprofit Institutions, and Professional Organizations
    • H42 - Public Economics - - Publicly Provided Goods - - - Publicly Provided Private Goods

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