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Anonymous, neutral, and resolute social choice revisited

Ozkes, Ali; Sanver, Remzi (2021), Anonymous, neutral, and resolute social choice revisited, Social Choice and Welfare, 57, 1, p. 97–113. 10.1007/s00355-020-01308-5

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Type
Article accepté pour publication ou publié
Date
2021
Journal name
Social Choice and Welfare
Volume
57
Number
1
Publisher
Springer
Pages
97–113
Publication identifier
10.1007/s00355-020-01308-5
Metadata
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Author(s)
Ozkes, Ali
Sanver, Remzi
Laboratoire d'analyse et modélisation de systèmes pour l'aide à la décision [LAMSADE]
Abstract (EN)
We revisit the incompatibility of anonymity and neutrality in single-valued social choice. We first analyze the irresoluteness outlook these two axioms together with Pareto efficiency impose on social choice rules and deliver a method to refine irresolute rules without violating anonymity, neutrality, and efficiency. Next, we propose a weakening of neutrality called consequential neutrality that requires resolute social choice rules to assign each alternative to the same number of profiles. We explore social choice problems in which consequential neutrality resolves impossibilities that stem from the fundamental tension between anonymity, neutrality, and resoluteness.
Subjects / Keywords
anonymity; eciency; neutrality; resoluteness

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