On mechanism design with expressive preferences: an aspect of the social choice of Brexit

Anindya Bhattacharya and Debapriya Sen

Papers from arXiv.org

Abstract: We study some problems of collective choice when individuals can have expressive preferences, that is, where a decision-maker may care not only about the material benefit from choosing an action but also about some intrinsic morality of the action or whether the action conforms to some identity-marker of the decision-maker. We construct a simple framework for analyzing mechanism design problems with such preferences and present some results focussing on the phenomenon we call "Brexit anomaly". The main findings are that while deterministic mechanisms are quite susceptible to Brexit anomaly, even with stringent domain restriction, random mechanisms assure more positive results.

Date: 2022-08
New Economics Papers: this item is included in nep-dcm, nep-des and nep-mic
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