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Effects of co-players' identity and reputation in the public goods game

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Author(s):
Sampaio, Waldir M. ; Freitas, Ana Luisa ; Rego, Gabriel G. ; Morello, Leticia Y. N. ; Boggio, Paulo S.
Total Authors: 5
Document type: Journal article
Source: SCIENTIFIC REPORTS; v. 13, n. 1, p. 10-pg., 2023-08-19.
Abstract

Players' identity and their reputation are known to influence cooperation in economic games, but little is known about how they interact. Our study aimed to understand how presenting pre-programmed co-players' identities (face photos; names) along with their previous cooperation history (reputation) could influence participants' cooperative decisions in a public goods game. Participants (N = 759) were allocated to one of six experimental groups: (i) control (no information); (ii) only reputation (neutral, free-rider, or cooperative); (iii) only face; (iv) face with reputation; (v) only name; (vi) name with reputation. In the reputation group, cooperation significantly decreased when free-riders were playing and significantly increased when they were cooperators. Person's identity affected cooperativeness only when combined with reputation: face photo mitigated the negative effect of the free-rider reputation, while name identity mitigated any significant effect expected for reputation. Our study suggests a hierarchy: reputation changes cooperation, but a person's identity can modulate reputation. (AU)

FAPESP's process: 20/14834-4 - Gender differences in Moral judgement of gender violence: a study about intentionality, consequence and social distance
Grantee:Letícia Yumi Nakao Morello
Support Opportunities: Scholarships in Brazil - Master
FAPESP's process: 19/27100-1 - Effects of breach of anonymity and privacy of the group on cooperative behavior: a study with public goods game and functional Near-Infrared Spectroscopy (fNIRS)
Grantee:Waldir Monteiro Sampaio
Support Opportunities: Scholarships in Brazil - Doctorate
FAPESP's process: 19/26665-5 - The influence of social factors on the judgment of moral foundations
Grantee:Gabriel Gaudencio Do Rêgo
Support Opportunities: Scholarships in Brazil - Post-Doctoral