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Core-stable Rings in Second Price Auctions with Common Values

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  • 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.

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Bibliographic Info

Paper provided by Fondazione Eni Enrico Mattei in its series Working Papers with number 2010.119.

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Date of creation: Sep 2010
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Handle: RePEc:fem:femwpa:2010.119

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

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References

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Cited by:
  1. 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.
  2. Einy, E & Haimanko, O & Moreno, D & Sela, A & Shitovitz, B, 2013. "Tullock Contests with Asymmetric Information," Discussion Papers 2013-11, Graduate School of Economics, Hitotsubashi University.
  3. Ezra Einy & Ori Haimanko & Ram Orzach & Aner Sela, 2013. "Common-Value All-Pay Auctions With Asymmetric Information," Working Papers 1306, Ben-Gurion University of the Negev, Department of Economics.
  4. Ezra Einy & Ori Haimanko & Diego Moreno & A. Sela & Benyamin Shitovitz, 2013. "Tullock contests with asymmetric information," Economics Working Papers we1314, Universidad Carlos III, Departamento de Economía.

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