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Multiple equilibria in asymmetric first-price auctions

Todd Kaplan and Shmuel Zamir ()

MPRA Paper from University Library of Munich, Germany

Abstract: Maskin and Riley (2003) and Lebrun (2006) prove that the Bayes-Nash equilibrium of �rst-price auctions is unique. This uniqueness requires the assumption that a buyer never bids above his value. We demonstrate that, in asymmetric �rst-price auctions (with or without a minimum bid), the relaxation of this assumption results in additional equilibria that are "substantial." Although in each of these additional equilibria no buyer wins with a bids above his value, the allocation of the object and the selling price may vary among the equilibria. Furthermore, we show that such phenomena can only occur under asymmetry in the distributions of values.

Keywords: Asymmetric auctions; �first-price auctions; multiple equilibria (search for similar items in EconPapers)
JEL-codes: C72 D44 (search for similar items in EconPapers)
Date: 2011-11-21
New Economics Papers: this item is included in nep-cta and nep-gth
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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Related works:
Journal Article: Multiple equilibria in asymmetric first-price auctions (2015) Downloads
Working Paper: Multiple Equilibria in Asymmetric First-Price Auctions (2011) Downloads
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