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On Monotone Persuasion

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Listed:
  • Anton Kolotilin
  • Hongyi Li
  • Andriy Zapechelnyuk

Abstract

We study monotone persuasion in the linear case, where posterior distributions over states are summarized by their mean. We solve the two leading cases where optimal unrestricted signals can be nonmonotone. First, if the objective is s-shaped and the state is discrete, then optimal monotone signals are upper censorship, whereas optimal unrestricted signals may require randomization. Second, if the objective is m-shaped and the state is continuous, then optimal monotone signals are interval disclosure, whereas optimal unrestricted signals may require nonmonotone pooling. We illustrate our results with an application to media censorship.

Suggested Citation

  • Anton Kolotilin & Hongyi Li & Andriy Zapechelnyuk, 2024. "On Monotone Persuasion," Papers 2412.14400, arXiv.org, revised Dec 2024.
    • Handle: RePEc:arx:papers:2412.14400
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