Perfect Bayesian Persuasion

Elliot Lipnowski, Doron Ravid and Denis Shishkin

Papers from arXiv.org

Abstract: A sender commits to an experiment to persuade a receiver. Accounting for the sender's experiment-choice incentives, and not presupposing a receiver tie-breaking rule when indifferent, we characterize when the sender's equilibrium payoff is unique and so coincides with her "Bayesian persuasion" value. A sufficient condition in finite models is that every action which is receiver-optimal at some belief is uniquely optimal at some other belief -- a generic property. We similarly show the equilibrium sender payoff is typically unique in ordered models. In an extension, we show uniqueness generates robustness to imperfect sender commitment.

Date: 2024-02
New Economics Papers: this item is included in nep-dcm, nep-exp, nep-gth and nep-mic
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