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Persuasion with Ambiguous Communication

Author

Listed:
  • Xiaoyu Cheng
  • Peter Klibanoff
  • Sujoy Mukerji
  • Ludovic Renou

Abstract

We explore whether ambiguous communication can be beneficial to the sender in a persuasion problem, when the receiver (and possibly the sender) is ambiguity averse. Our analysis highlights the necessity of using a collection of experiments that form a splitting of an obedient experiment. Some experiments in the collection must be Pareto-ranked in that both players agree on their payoff ranking. If an optimal Bayesian persuasion experiment can be split in this way, then any not-too-ambiguity-averse sender as well as the receiver benefit. There are no benefits when the receiver has only two actions.

Suggested Citation

  • Xiaoyu Cheng & Peter Klibanoff & Sujoy Mukerji & Ludovic Renou, 2024. "Persuasion with Ambiguous Communication," Papers 2410.05504, arXiv.org, revised Sep 2025.
    • Handle: RePEc:arx:papers:2410.05504
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