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Value-free reductions
Pérez-Castrillo, David (Universitat Autònoma de Barcelona. Departament d'Economia i d'Història Econòmica)
Sun, Chaoran (Universitat Autònoma de Barcelona. Departament d'Economia i d'Història Econòmica)

Date: 2021
Abstract: We introduce the value-free (v-f) reductions, operators that map a coalitional game played by a set of players to another "similar" game played by a subset of those players. We propose properties that v-f reductions may satisfy, we provide a theory of duality, and we characterize several v-f reductions (among which the value-free version of the reduced games proposed by Hart and Mas-Colell, 1989, and Oishi et al. , 2016). Unlike reduced games, introduced to characterize values in terms of consistency, v-f reductions are not defined in reference to values. However, a v-f reduction induces a value. We characterize v-f reductions that induce the Shapley, the stand-alone, and the Banzhaf values. We connect our approach to the theory of implementation. Finally, our new approach is a valuable tool to provide new characterizations of values in terms of consistency. We present new characterizations of the Banzhaf and the stand-alone values.
Grants: Ministerio de Economía y Competitividad CEX2019-000915-S
Ministerio de Economía y Competitividad PGC2018-094348-B-I00
Agència de Gestió d'Ajuts Universitaris i de Recerca 2017/SGR-711
Note: Altres ajuts: acords transformatius de la UAB
Note: Altres ajuts: ICREA Academia programme
Rights: Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original. Creative Commons
Language: Anglès
Document: Article ; recerca ; Versió publicada
Published in: Games and Economic Behavior, Vol. 130 (november 2021) , p. 543-568, ISSN 1090-2473

Adreça alternativa: https://publons.com/publon/50375783/
DOI: 10.1016/j.geb.2021.09.009


26 p, 726.8 KB

The record appears in these collections:
Articles > Research articles
Articles > Published articles

 Record created 2022-02-03, last modified 2023-04-01



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