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Bad reputation with simple rating systems

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Autor(es):
Lorecchio, Caio ; Monte, Daniel
Número total de Autores: 2
Tipo de documento: Artigo Científico
Fonte: GAMES AND ECONOMIC BEHAVIOR; v. 142, p. 29-pg., 2023-11-01.
Resumo

We consider information censoring through finite memory as a device against bad reputational concerns. Our class of constrained information policies resembles common practices in online reputation systems, on which customers increasingly rely whenever hiring experts. In a world of repeated interactions between a long-lived expert and short-lived customers, Ely and Valimaki (2003) show that unlimited record-keeping may induce the expert to overchoose a certain action, seeking reputational gains. Consequently, welfare may reduce and markets may break down. We show that simple rating systems in such world help overcome market failures and improve upon both the full-memory and the no-memory cases.& COPY; 2023 The Author(s). Published by Elsevier Inc. This is an open access article under the CC BY-NC-ND license (http://creativecommons .org /licenses /by-nc -nd /4 .0/). (AU)

Processo FAPESP: 21/06777-3 - Desenho de sistemas de recomendação com agentes heterogêneos
Beneficiário:Daniel Monte
Modalidade de apoio: Bolsas no Exterior - Pesquisa