(Un)Trustworthy Pledges and Cooperation in Social Dilemmas

Timo Goeschl and Alice Solda

No 728, Working Papers from University of Heidelberg, Department of Economics

Abstract: Pledges feature in international climate cooperation since the 2015 Paris Agreement. We explore how differences in pledgers' trustworthiness affect outcomes in a social dilemma that parallels climate change. In an online experiment, two participants interact with a randomly matched third player in a repeat maintenance game with a pledge stage. Treatments vary whether participants are matched with a player that is more or less trustworthy as revealed by behavior in a promise-keeping game; and whether they observe that trustworthiness. We find that participants knowingly matched with more trustworthy players cooperate more than participants matched with less trustworthy players (knowingly or unknowingly), but also more than participants unknowingly matched with more trustworthy players. In contrast, participants knowingly matched with less trustworthy players do not cooperate less than participants who are unknowingly so. Our findings suggest that the use of pledges, as per the Paris Agreement, can leverage the power of trustworthiness to enhance cooperation.

Keywords: social dilemmas; pre-play communication; pledges; cooperation; credibility; group formation (search for similar items in EconPapers)
Date: 2023-05-15
New Economics Papers: this item is included in nep-cbe, nep-ene, nep-exp and nep-gth
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Related works:
Journal Article: (Un)Trustworthy pledges and cooperation in social dilemmas (2024)
Working Paper: (Un)Trustworthy pledges and cooperation in social dilemmas (2024)
Working Paper: (UN)TRUSTWORTHY PLEDGES AND COOPERATION IN SOCIAL DILEMMAS (2023)
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Persistent link: https://EconPapers.repec.org/RePEc:awi:wpaper:0728

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