Monotone equilibrium in multi-unit auctions
In two-sided multi-unit auctions having a variety of payment rules, including uniform-price and discriminatory auctions, a monotone pure-strategy equilibrium (MPSE) exists when bidders are risk neutral with independent multi-dimensional types and interdependent values. In fact, all mixed-strategy equilibria are ex post allocation and interim expected payment equivalent to MPSE. Thus, for standard expected surplus/ revenue analysis, there is no loss restricting attention to monotone strategies. © 2006 The Review of Economic Studies Limited.
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