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The effects of reputation on inequality in network cooperation games

Tsvetkova, Milena ORCID: 0000-0002-3552-108X (2021) The effects of reputation on inequality in network cooperation games. Philosophical Transactions of the Royal Society B: Biological Sciences, 376 (1838). ISSN 0962-8436

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Abstract

In the last several decades, ample evidence from across evolutionary biology, behavioural economics, and econophysics has solidified our knowledge that reputation can promote cooperation across different contexts and environments. Higher levels of cooperation entail higher final payoffs on average but how are these payoffs distributed among individuals? This study investigates how public and objective reputational information affects payoff inequality in repeated social dilemma interactions in large groups. We consider two aspects of inequality: excessive dispersion of final payoffs and diminished correspondence between final payoff and cooperative behaviour. We use a simple heuristics-based agent model to demonstrate that reputational information does not always increase the dispersion of final payoffs in strategically updated networks, and actually decreases it in randomly rewired networks. More importantly, reputational information almost always improves the correspondence between final payoffs and cooperative behaviour. We analyse empirical data from nine experiments of the repeated Trust, Helping, Prisoner’s Dilemma, and Public Good games in networks of ten or more individuals to provide partial support for the predictions. Our research suggests that reputational information not only improves cooperation but may also reduce inequality.

Item Type: Article
Official URL: https://royalsocietypublishing.org/journal/rstb
Additional Information: © 2021 The Author
Divisions: Methodology
Subjects: Q Science > Q Science (General)
B Philosophy. Psychology. Religion > BF Psychology
Date Deposited: 03 Aug 2021 13:36
Last Modified: 15 Sep 2023 16:51
URI: http://eprints.lse.ac.uk/id/eprint/111531

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