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Oligopoly And Cost Sharing In Economies With Public Goods

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  • Achille Basile
  • Maria Gabriella Graziano
  • Marialaura Pesce

Abstract

We study economies that involve both small and large traders as well as the choice of a public project. Within this framework, we establish two sufficient conditions under which the set of competitive allocations coincides with the core. Our first core equivalence result holds under the assumption that there is a countably infinite set of large traders similar to each other. The second result, independent of the number of large traders, requires the existence of a coalition of small traders with the same characteristics of the large traders. Finally, we show how the generalized Aubin approach to cooperation may dispense with both conditions.

Suggested Citation

  • Achille Basile & Maria Gabriella Graziano & Marialaura Pesce, 2016. "Oligopoly And Cost Sharing In Economies With Public Goods," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 57(2), pages 487-506, May.
    • Handle: RePEc:wly:iecrev:v:57:y:2016:i:2:p:487-506
    DOI: 10.1111/iere.12165
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    References listed on IDEAS

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    9. Maria Graziano & Maria Romaniello, 2012. "Linear cost share equilibria and the veto power of the grand coalition," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 38(2), pages 269-303, February.
    10. Diamantaras, Dimitrios & Gilles, Robert P & Scotchmer, Suzanne, 1996. "Decentralization of Pareto Optima in Economies with Public Projects, Nonessential Private Goods and Convex Costs," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 8(3), pages 555-564, October.
    11. Maria Gabriella Graziano, 2007. "Economies With Public Projects: Efficiency And Decentralization," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 48(3), pages 1037-1063, August.
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    Cited by:

    1. Achille Basile & Robert P. Gilles & Maria Gabriella Graziano & Marialaura Pesce, 2021. "The Core of economies with collective goods and a social division of labour," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 71(3), pages 1085-1119, April.
    2. Bhowmik, Anuj & Saha, Sandipan, 2022. "On blocking mechanisms in economies with club goods," MPRA Paper 114928, University Library of Munich, Germany.
    3. Chiara Donnini & Marialaura Pesce, 2023. "Fairness and formation rules of coalitions," International Journal of Economic Theory, The International Society for Economic Theory, vol. 19(4), pages 933-960, December.
    4. Maria Gabriella Graziano & Marialaura Pesce & Maria Romaniello, 2021. "Two characterizations of Cost Share Equilibria," CSEF Working Papers 628, Centre for Studies in Economics and Finance (CSEF), University of Naples, Italy, revised 24 May 2023.

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