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Free Entry and Social Efficiency under Unknown Demand Parameters

Author

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  • Batlome Janjgava
Abstract
In the paper, I examine free entry in homogeneous product markets and its social efficiency. Previous research on free entry in homogeneous product markets has shown that under Cournot oligopoly with fixed setup costs the free entry equilibrium always delivers excessive entry. In contrast, I demonstrate in this paper that free entry along with excessive entry might also lead to a socially insufficient number of firms when a demand parameter uncertainty is considered. My findings support the validity of the traditional wisdom in industrial organization that free entry is desirable for social efficiency and call for revision of restrictive entry regulation practices which been based on previous research findings.

Suggested Citation

  • Batlome Janjgava, 2013. "Free Entry and Social Efficiency under Unknown Demand Parameters," CERGE-EI Working Papers wp495, The Center for Economic Research and Graduate Education - Economics Institute, Prague.
    • Handle: RePEc:cer:papers:wp495
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    File URL: http://www.cerge-ei.cz/pdf/wp/Wp495.pdf
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    References listed on IDEAS

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    Cited by:

    1. Li Xiang & Xu Yanmei, 2020. "Can Positive Entrepreneurship Policies Always Improve Social Welfare?," Journal of Systems Science and Information, De Gruyter, vol. 8(2), pages 148-158, April.

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    Keywords

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    JEL classification:

    • D60 - Microeconomics - - Welfare Economics - - - General
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • 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
    • L40 - Industrial Organization - - Antitrust Issues and Policies - - - General
    • L51 - Industrial Organization - - Regulation and Industrial Policy - - - Economics of Regulation

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