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Ambiguous Persuasion with Prior Ambiguity

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  • Xiaoyu Cheng

Abstract

Cheng (2025) establishes that in a persuasion game where both the sender and the receiver have Maxmin Expected Utility (MEU) preferences, the sender never strictly benefits from using ambiguous communication strategies over standard (non-ambiguous) ones. This note extends the analysis to environments with prior ambiguity, i.e., pre-existing ambiguity about the payoff-relevant state, and shows that, in the binary state and binary action case, the same no-gain result continues to hold.

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  • Xiaoyu Cheng, 2025. "Ambiguous Persuasion with Prior Ambiguity," Papers 2508.18603, arXiv.org.
    • Handle: RePEc:arx:papers:2508.18603
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    1. Peter Klibanoff & Massimo Marinacci & Sujoy Mukerji, 2005. "A Smooth Model of Decision Making under Ambiguity," Econometrica, Econometric Society, vol. 73(6), pages 1849-1892, November.
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