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27 septembre 2022
- 2209.13148
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Economics - Theoretical Economics Computer Science - Computational Complexity Computer Science - Computer Science and Game TheorySujets proches
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Yannai A. Gonczarowski et al., « Strategyproofness-Exposing Mechanism Descriptions », arXiv - économie
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Résumé
A menu description presents a mechanism to player $i$ in two steps. Step (1) uses the reports of other players to describe $i$'s menu: the set of $i$'s potential outcomes. Step (2) uses $i$'s report to select $i$'s favorite outcome from her menu. Can menu descriptions better expose strategyproofness, without sacrificing simplicity? We propose a new, simple menu description of Deferred Acceptance. We prove that -- in contrast with other common matching mechanisms -- this menu description must differ substantially from the corresponding traditional description. We demonstrate, with a lab experiment on two elementary mechanisms, the promise and challenges of menu descriptions.