This paper examines how a bidder can benefit from jump bidding by using the jump bid as a signal of a high valuation which causes other bidders to drop out of the auction earlier than they would otherwise. The information contained in a jump bid must be sufficient to induce a discrete change in the bidding behaviour of the other bidders. In an auction for a single item, a jump bid signals both the identity and the high valuation of a bidder. The existence of a beneficial jump bid equilibrium requires a gap in the distribution of the jump bidder and her identity must be concealed. Concealing the identity of the bidders permits the jump bidder to signal more information through the jump bid and thus she can benefit more from it. In an auction for multiple items, the jump bid signals a high valuation by the jump bidder.
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Paper provided by Queen's University, Department of Economics in its series Working Papers with number
975.
Find related papers by JEL classification: D44 - Microeconomics - - Market Structure and Pricing - - - Auctions
References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
Peter Cramton, 2002.
"Spectrum Auctions,"
Papers of Peter Cramton
01hte, University of Maryland, Department of Economics - Peter Cramton, revised 16 Jul 2001.
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