Article Title

Optimal Nondiscriminatory Auctions with Favoritism

Department/School

Economics

Abstract

In many auction settings, there is favoritism: the seller's welfare depends positively on the utility of a subset of potential bidders. However, laws or regulations may not allow the seller to discriminate among bidders. We find the optimal nondiscriminatory auction in a private value, single-unit model under favoritism. At the optimal auction there is a reserve price, or an entry fee, which is decreasing in the proportion of preferred bidders and in the intensity of the preference. Otherwise, the highest-valuation bidder wins. We show that, at least under some conditions, imposing a no-discrimination constraint raises expected seller revenue.

Document Type

Article

Publication Title

Economics Bulletin

Publication Date

2-11-2014

Volume

34

Issue

1

Pages

252-262

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