Efficiency in Random Resource Allocation and Social Choice

Federico Echenique, Joseph Root and Fedor Sandomirskiy

Papers from arXiv.org

Abstract: We study efficiency in general collective choice problems where agents have ordinal preferences and randomization is allowed. We explore the structure of preference profiles where ex-ante and ex-post efficiency coincide, offer a unifying perspective on the known results, and give several new characterizations. The results have implications for well-studied mechanisms including random serial dictatorship and a number of specific environments, including the dichotomous, single-peaked, and social choice domains.

Date: 2022-03, Revised 2022-08
New Economics Papers: this item is included in nep-des and nep-ore
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