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Peer effects on compliance with extortive requests

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  • Giulia Andrighetto
  • Daniela Grieco

Abstract

We conduct laboratory experiments to study peer effects on compliance with extortive requests. To this aim, we use an “extortion game” with multiple victims. In agreement with our hypothesis, our results show that when the information on peers’ behavior is available, compliance with appropriative requests is triggered by conformism among victims rather than by punishment. Moreover, we find that extorted sums are rather small, requests are proportional to the victim’s earnings, similar across victims, and are significantly lower when the extorter self-selects into this role. Punishment is rare, but effective. Finally, our results indicate that fairness concerns matter even in a context of extra-legal taxation, shaping both extorters’ requests and victims’ compliance.

Suggested Citation

  • Giulia Andrighetto & Daniela Grieco, 2020. "Peer effects on compliance with extortive requests," PLOS ONE, Public Library of Science, vol. 15(4), pages 1-17, April.
    • Handle: RePEc:plo:pone00:0231879
    DOI: 10.1371/journal.pone.0231879
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    References listed on IDEAS

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    Cited by:

    1. Kirill Afanasev & Tatyana Zhuravleva & Christopher Hannum, 2026. "Extort from Them, but Only if They Comply: Experimental Evidence from Khorog on the Effect of Observed Behavior on Normative Expectations," Journal of Economic Interaction and Coordination, Springer;Society for Economic Science with Heterogeneous Interacting Agents, vol. 21(1), pages 219-262, January.

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