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Noisy Persuasion

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  • Elias Tsakas
  • Nikolas Tsakas

Abstract

We study the effect of noise due to exogenous information distortions in the context of Bayesian persuasion. In particular, we ask whether more noise is always harmful for the information designer (viz., the sender). We show that in general this is not the case. That is, more noise is often beneficial for the sender. However, when we compare noisy channels with “similar basic structures”, more noise cannot be beneficial for the sender. We apply our theory to applications from the literatures on voting and cognitive biases.

Suggested Citation

  • Elias Tsakas & Nikolas Tsakas, 2018. "Noisy Persuasion," University of Cyprus Working Papers in Economics 11-2018, University of Cyprus Department of Economics.
  • Handle: RePEc:ucy:cypeua:11-2018
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    File URL: http://papers.econ.ucy.ac.cy/RePEc/papers/11-18.pdf
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    References listed on IDEAS

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    1. Penélope Hernández & Bernhard von Stengel, 2014. "Nash Codes for Noisy Channels," Operations Research, INFORMS, vol. 62(6), pages 1221-1235, December.
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    10. Anton Kolotilin & Tymofiy Mylovanov & Andriy Zapechelnyuk & Ming Li, 2017. "Persuasion of a Privately Informed Receiver," Econometrica, Econometric Society, vol. 85(6), pages 1949-1964, November.
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    15. Yun Wang, 2015. "Bayesian Persuasion with Multiple Receivers," Working Papers 2015-03-24, Wang Yanan Institute for Studies in Economics (WISE), Xiamen University.
    16. Ambrus, Attila & Azevedo, Eduardo M. & Kamada, Yuichiro, 2013. "Hierarchical cheap talk," Theoretical Economics, Econometric Society, vol. 8(1), January.
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    19. Eduardo Perez-Richet, 2014. "Interim Bayesian Persuasion: First Steps," American Economic Review, American Economic Association, vol. 104(5), pages 469-474, May.
    20. Koessler, Frederic, 2001. "Common knowledge and consensus with noisy communication," Mathematical Social Sciences, Elsevier, vol. 42(2), pages 139-159, September.
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    Cited by:

    1. Elias Tsakas & Nikolas Tsakas & Dimitrios Xefteris, 2017. "Resisting Persuasion," University of Cyprus Working Papers in Economics 07-2017, University of Cyprus Department of Economics.

    More about this item

    Keywords

    Bayesian persuasion; data distortions; optimal signal; garbling;

    JEL classification:

    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
    • D72 - Microeconomics - - Analysis of Collective Decision-Making - - - Political Processes: Rent-seeking, Lobbying, Elections, Legislatures, and Voting Behavior
    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • K40 - Law and Economics - - Legal Procedure, the Legal System, and Illegal Behavior - - - General
    • M31 - Business Administration and Business Economics; Marketing; Accounting; Personnel Economics - - Marketing and Advertising - - - Marketing

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