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Published online by Cambridge University Press: 14 March 2025
We focus on the design of an institutional device aimed to foster coordination through communication. We explore whether the social psychology theory of commitment, implemented via a truth-telling oath, can reduce coordination failure. Using a classic coordination game, we ask all players to sign voluntarily a truth-telling oath before playing the game with cheap talk communication. Three results emerge with commitment under oath: (1) coordination increased by nearly 50%; (2) senders’ messages were significantly more truthful and actions more efficient, and (3) receivers’ trust of messages increased.
Electronic supplementary material The online version of this article (doi:https://doi.org/10.1007/s10683-016-9508-x) contains supplementary material, which is available to authorized users.