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Mixed Markets with Public Goods

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Abstract

We use a mixed market model for analyzing economies with public projects in which the condition of perfect competition is violated. We discuss core-equivalence results in the general framework of non-Euclidean representation of the collective goods. We show that if large traders are similar to each other, then they lose their market power and hence the equivalence theorem can be restored. This is possible assuming a cost distribution function to fix the fraction that each large or small agent is expected to cover of the total cost of providing the project. We show that, for each given individual and coalitional contribution scheme, the resulting core is equivalent to the corresponding linear cost share equilibria. Finally, we investigate on weaker equivalences when the assumption that all large traders are of the same type is dropped. An analysis of mixed markets with public goods via atomless economies is provided, joint with an extension of Schmeidler and Vind results on the measure of blocking coalitions.

Suggested Citation

  • Achille Basile & Maria Gabriella Graziano & Maria Laura Pesce, 2010. "Mixed Markets with Public Goods," CSEF Working Papers 261, Centre for Studies in Economics and Finance (CSEF), University of Naples, Italy, revised 29 May 2012.
  • Handle: RePEc:sef:csefwp:261
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    File URL: http://www.csef.it/WP/wp261.pdf
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    Cited by:

    1. Pesce, Marialaura, 2014. "The veto mechanism in atomic differential information economies," Journal of Mathematical Economics, Elsevier, vol. 53(C), pages 33-45.
    2. 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.

    More about this item

    Keywords

    Mixed markets; coalitional fairness; envy; efficiency; asymmetric information;

    JEL classification:

    • C71 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Cooperative Games
    • D51 - Microeconomics - - General Equilibrium and Disequilibrium - - - Exchange and Production Economies
    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design

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