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Can the decoy effect increase cooperation in networks? An experiment

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  • Claudia Cerrone
  • Francesco Feri
  • Anita Gantner
  • Paolo Pin

Abstract

This paper investigates whether the decoy effect - specifically the attraction effect - can foster cooperation in social networks. In a lab experiment, we show that introducing a dominated option increases the selection of the target choice, especially in early decisions. The effect is stronger in individual settings but persists in networks despite free-riding incentives, with variation depending on the decision-maker's strategic position.

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  • Claudia Cerrone & Francesco Feri & Anita Gantner & Paolo Pin, 2025. "Can the decoy effect increase cooperation in networks? An experiment," Papers 2509.13887, arXiv.org, revised Oct 2025.
    • Handle: RePEc:arx:papers:2509.13887
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    File URL: http://arxiv.org/pdf/2509.13887
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