Intelligence, Errors, and Cooperation in Repeated Interactions

Eugenio Proto, Aldo Rustichini and Andis Sofianos

The Review of Economic Studies, 2022, vol. 89, issue 5, 2723-2767

Abstract: We study how strategic interaction and cooperation are affected by the heterogeneity of cognitive skills of groups of players, over consecutive plays of repeated games with randomly matched opponents using Prisoner’s Dilemma as stage game. We observe overall higher cooperation rates and average final payoffs in integrated treatment groups—where subjects of different IQ levels interact together—than in separated treatment groups. Lower IQ subjects are better off and higher IQ subjects are worse off in integrated groups than in separated groups. Higher IQ subjects adopt harsher strategies when they are pooled with lower IQ subjects than when they play separately. We demonstrate that this outcome should be expected in learning and evolutionary models where higher intelligence subjects exhibit lower frequency of errors in the implementation of strategies. Estimations of errors and strategies in our experimental data are consistent with the model’s assumptions and predictions.

Keywords: Evolutionary games; Learning; Repeated prisoners dilemma; Cooperation; Intelligence; Strategy errors; C73; C91; C92; D83 (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (7)

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Persistent link: https://EconPapers.repec.org/RePEc:oup:restud:v:89:y:2022:i:5:p:2723-2767.

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