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Global public goods and coalition formation under matching mechanisms

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  • Weifeng Liu

Abstract

This paper links coalition theory with matching mechanisms in the presence of global public goods among heterogeneous players. This matching coalition may achieve Pareto‐improving outcomes while avoiding side payments. The paper characterizes conditions of coalition profitability and stability at both interior and corner equilibria. It is generally much harder to satisfy stability conditions than profitability conditions. A matching coalition is more profitable but less stable with a larger matching rate. Empirically there is no stable coalition but this can be overcome by introducing reputation mechanisms. There always exists a stable grand matching coalition if players value their reputation. The matching coalition faces a trade‐off between matching depth and breadth.

Suggested Citation

  • Weifeng Liu, 2018. "Global public goods and coalition formation under matching mechanisms," Journal of Public Economic Theory, Association for Public Economic Theory, vol. 20(3), pages 325-355, June.
    • Handle: RePEc:bla:jpbect:v:20:y:2018:i:3:p:325-355
    DOI: 10.1111/jpet.12294
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    Cited by:

    1. Buchholz, Wolfgang & Hattori, Keisuke, 2024. "A paradox of coalition building in public good provision," Economic Modelling, Elsevier, vol. 135(C).
    2. Alejandro Caparrós & Michael Finus, 2020. "Public good agreements under the weakest‐link technology," Journal of Public Economic Theory, Association for Public Economic Theory, vol. 22(3), pages 555-582, June.
    3. Funashima, Yoshito, 2022. "Efficiency and group size in the voluntary provision of public goods with threshold preference," Research in Economics, Elsevier, vol. 76(3), pages 237-251.
    4. Greg Leo & Yevgeniy Vorobeychik & Myrna Wooders, 2023. "Subgame Perfect Coalition Formation," Dynamic Games and Applications, Springer, vol. 13(2), pages 510-524, June.

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