Article ID Journal Published Year Pages File Type
5062206 Economics Letters 2008 4 Pages PDF
Abstract

We derive a bound on the seller's revenue loss in optimal auctions from unanticipated bidder collusion. The relative loss is rather small when there are few bidders. It is increasing with the number of bidders but at a slow rate.

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Social Sciences and Humanities Economics, Econometrics and Finance Economics and Econometrics
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Maximal loss from collusion in IPV symmetric auctions
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