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Core-stable Rings in Second Price Auctions with Common Values

Author

Listed:
  • Françoise Forges

    (Université Paris-Dauphine)

  • Ram Orzach

    (Oakland University)

Abstract

In a common value auction in which the information partitions of the bidders are connected, all rings are core-stable. More precisely, the ex ante expected utilities of rings, at the (noncooperative) sophisticated equilibrium proposed by Einy, Haimanko, Orzach and Sela (Journal of Mathematical Economics, 2002), describe a cooperative game, in characteristic function form, in spite of the underlying strategic externalities. A ring is core-stable if the core of this characteristic function is not empty. Furthermore, every ring can implement its sophisticated equilibrium strategy by means of an incentive compatible mechanism.

Suggested Citation

  • Françoise Forges & Ram Orzach, 2010. "Core-stable Rings in Second Price Auctions with Common Values," Working Papers 2010.119, Fondazione Eni Enrico Mattei.
  • Handle: RePEc:fem:femwpa:2010.119
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    References listed on IDEAS

    as
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    Citations

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    Cited by:

    1. Ezra Einy & Mridu Prabal Goswami & Ori Haimanko & Ram Orzach & Aner Sela, 2017. "Common-value all-pay auctions with asymmetric information," International Journal of Game Theory, Springer;Game Theory Society, vol. 46(1), pages 79-102, March.
    2. Ezra Einy & Ori Haimanko & Diego Moreno & Aner Sela & Benyamin Shitovitz, 2013. "Tullock Contests With Asymmetric Information," Working Papers 1303, Ben-Gurion University of the Negev, Department of Economics.
    3. Ezra Einy & Ori Haimanko & Ram Orzach & Aner Sela, 2016. "Common-value all-pay auctions with asymmetric information and bid caps," International Journal of Game Theory, Springer;Game Theory Society, vol. 45(1), pages 63-88, March.
    4. Aner Sela & Ezra Einy & 0ri Haimanko & Diego Moreno & Avishay Aiche & Benyamin Shitovitz, 2016. "Information Advantage in Common-Value Classic Tullock Contests," Working Papers 1614, Ben-Gurion University of the Negev, Department of Economics.

    More about this item

    Keywords

    Auctions; Bayesian Game; Collusion; Core; Partition Form Game; Characteristic Function;

    JEL classification:

    • C71 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Cooperative Games
    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
    • D44 - Microeconomics - - Market Structure, Pricing, and Design - - - Auctions

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