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Article dans une revue Journal of Economic Behavior and Organization Année : 2022

Peer effects, self-selection and dishonesty

Résumé

If individuals tend to behave like their reference group, is it because of peer effects, selfselection, or both? Using a peer effect model allowing for conformity and link formation, we designed a real-effort laboratory experiment in which individuals could misreport their performance and select their peers. Our results reveal both a preference for conformity and homophilous link formation, but only among individuals cheating in isolation. This suggests that such link formation was not motivated by a taste for similarity but by acquiring self-serving information. Importantly, we reject the presence of a self-selection bias in the peer effect estimates by showing that the size of peer effects is similar when identical peers were randomly assigned and when individuals selected them.
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Dates et versions

hal-03712450, version 1 (03-07-2022)

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Liza Charroin, Bernard Fortin, Marie Claire Villeval. Peer effects, self-selection and dishonesty. Journal of Economic Behavior and Organization, 2022, 200, pp.618-637. ⟨10.1016/j.jebo.2022.06.024⟩. ⟨hal-03712450⟩
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