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Rules and Commitment in Communication: an Experimental Analysis

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  • Guillaume R. Fréchette
  • Alessandro Lizzeri
  • Jacopo Perego

Abstract

We study the role of commitment in communication and its interactions with rules, which determine whether information is verifiable. Our framework nests models of cheap talk, information disclosure, and Bayesian persuasion. It predicts that commitment has opposite effects on information transmission under the two alternative rules. We leverage these contrasting forces to experimentally establish that subjects react to commitment in line with the main qualitative implications of the theory. Quantitatively, not all subjects behave as predicted. We show that a form of commitment blindness leads some senders to overcommunicate when information is verifiable and undercommunicate when it is not. This generates an unpredicted gap in information transmission across the two rules, suggesting a novel role for verifiable information in practice.

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  • Guillaume R. Fréchette & Alessandro Lizzeri & Jacopo Perego, 2019. "Rules and Commitment in Communication: an Experimental Analysis," NBER Working Papers 26404, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:26404
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    Cited by:

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    2. Blume, Andreas & Lai, Ernest K. & Lim, Wooyoung, 2023. "Mediated talk: An experiment," Journal of Economic Theory, Elsevier, vol. 208(C).
    3. Laura Doval & Alex Smolin, 2024. "Persuasion and Welfare," Journal of Political Economy, University of Chicago Press, vol. 132(7), pages 2451-2487.
    4. Burdea, Valeria & Montero, Maria & Sefton, Martin, 2023. "Communication with partially verifiable information: An experiment," Games and Economic Behavior, Elsevier, vol. 142(C), pages 113-149.
    5. Eilat, Ran & Neeman, Zvika, 2023. "Communication with endogenous deception costs," Journal of Economic Theory, Elsevier, vol. 207(C).
    6. Monte, Daniel & Linhares, Luis Henrique, 2023. "Stealth Startups, Clauses, and Add-ons: A Model of Strategic Obfuscation," MPRA Paper 115926, University Library of Munich, Germany.
    7. Wu, Wenhao & Ye, Bohan, 2023. "Competition in persuasion: An experiment," Games and Economic Behavior, Elsevier, vol. 138(C), pages 72-89.
    8. Meng, Delong & Wang, Siyu, 2024. "Impact of open-mindedness on information avoidance: Tailored vs. generic communication," Journal of Behavioral and Experimental Economics (formerly The Journal of Socio-Economics), Elsevier, vol. 108(C).
    9. Geng, Sen & Guan, Menglong, 2023. "Trustworthy by design," Games and Economic Behavior, Elsevier, vol. 141(C), pages 70-87.
    10. Smolin, Alex & Doval, Laura, 2021. "Information Payoffs: An Interim Perspective," TSE Working Papers 21-1247, Toulouse School of Economics (TSE).
    11. Du, Ninghua & Shahriar, Quazi, 2024. "Information disclosure in mitigating moral hazard: An experimental investigation," Games and Economic Behavior, Elsevier, vol. 144(C), pages 284-299.
    12. Zhou, Junya, 2023. "Costly verification and commitment in persuasion," Journal of Economic Behavior & Organization, Elsevier, vol. 212(C), pages 1100-1142.

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    JEL classification:

    • C92 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Group Behavior
    • D7 - Microeconomics - - Analysis of Collective Decision-Making
    • D8 - Microeconomics - - Information, Knowledge, and Uncertainty
    • D9 - Microeconomics - - Micro-Based Behavioral Economics

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