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Free entry under common ownership

Author

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  • Sato, Susumu
  • Matsumura, Toshihiro

Abstract

This study investigates the equilibrium and welfare properties of free entry under common ownership. We formulate a model in which incumbents under common ownership choose whether to enter a new market. Using a circular-market model, we find that an increase in common ownership reduces entries, which may or may not improve welfare. Welfare has an inverted-U shaped relationship with the degree of common ownership, which implies that there is a strictly positive optimal degree of common ownership.

Suggested Citation

  • Sato, Susumu & Matsumura, Toshihiro, 2020. "Free entry under common ownership," Economics Letters, Elsevier, vol. 195(C).
    • Handle: RePEc:eee:ecolet:v:195:y:2020:i:c:s0165176520303013
    DOI: 10.1016/j.econlet.2020.109489
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    References listed on IDEAS

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    1. José Azar & Martin C. Schmalz & Isabel Tecu, 2018. "Anticompetitive Effects of Common Ownership," Journal of Finance, American Finance Association, vol. 73(4), pages 1513-1565, August.
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    5. Steven C. Salop, 1979. "Monopolistic Competition with Outside Goods," Bell Journal of Economics, The RAND Corporation, vol. 10(1), pages 141-156, Spring.
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    Citations

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    Cited by:

    1. Zormpas, Dimitrios & Ruble, Richard, 2021. "The dynamics of preemptive and follower investments with overlapping ownership," Journal of Economic Dynamics and Control, Elsevier, vol. 129(C).
    2. Ino, Hiroaki & Matsumura, Toshihiro, 2022. "Free entry under an output-cap constraint," Economics Letters, Elsevier, vol. 210(C).
    3. Moreno, Diego & Petrakis, Emmanuel, 2022. "The impact on market outcomes of the portfolio selection of large equity investors," Economics Letters, Elsevier, vol. 212(C).
    4. Nuowen Bai & Toshihiro Matsumura, 2023. "Common ownership in a delivered pricing duopoly," Journal of Economics, Springer, vol. 139(3), pages 191-208, August.
    5. Youping Li & Jie Shuai, 2022. "Input price discrimination and horizontal shareholding," Journal of Regulatory Economics, Springer, vol. 61(1), pages 48-66, February.
    6. Liu, Yi & Matsumura, Toshihiro, 2022. "Welfare effects of common ownership in an international duopoly," MPRA Paper 115177, University Library of Munich, Germany.
    7. Hirose, Kosuke & Matsumura, Toshihiro, 2022. "Common ownership and environmental Corporate Social Responsibility," Energy Economics, Elsevier, vol. 114(C).
    8. Li, Youping & Zhang, Jianhu, 2021. "Product positioning with overlapping ownership," Economics Letters, Elsevier, vol. 208(C).
    9. Xu, Lili & Zhang, Yidan & Matsumura, Toshihiro, 2022. "Cournot–Bertrand comparison under common ownership in a mixed oligopoly," MPRA Paper 114644, University Library of Munich, Germany.
    10. Hirose, Kosuke & Matsumura, Toshihiro, 2023. "Green transformation in oligopoly markets under common ownership," Energy Economics, Elsevier, vol. 126(C).
    11. Li, Youping & Zhang, Jianhu & Zhou, Zipeng, 2023. "Vertical differentiation with overlapping ownership," Economics Letters, Elsevier, vol. 222(C).
    12. Lili Xu & Yidan Zhang & Toshihiro Matsumura, 2023. "Competition mode and common ownership in a mixed oligopoly," Manchester School, University of Manchester, vol. 91(4), pages 306-319, July.
    13. Haraguchi, Junichi & Matsumura, Toshihiro, 2020. "Common Ownership among Private Firms and Privatization Policies," MPRA Paper 102152, University Library of Munich, Germany.

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    More about this item

    Keywords

    Overlapping ownership; Free entry; Insufficient entry; Excessive entry; Circular markets;
    All these keywords.

    JEL classification:

    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L22 - Industrial Organization - - Firm Objectives, Organization, and Behavior - - - Firm Organization and Market Structure

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