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Certifiable Pre-Play Communication: Full Disclosure

Author

Listed:
  • Jeanne Hagenbach

    (X-DEP-ECO - Département d'Économie de l'École Polytechnique - X - École polytechnique - IP Paris - Institut Polytechnique de Paris)

  • Frédéric Koessler

    (PSE - Paris-Jourdan Sciences Economiques - ENS-PSL - École normale supérieure - Paris - PSL - Université Paris Sciences et Lettres - INRA - Institut National de la Recherche Agronomique - EHESS - École des hautes études en sciences sociales - ENPC - École des Ponts ParisTech - CNRS - Centre National de la Recherche Scientifique, PSE - Paris School of Economics - UP1 - Université Paris 1 Panthéon-Sorbonne - ENS-PSL - École normale supérieure - Paris - PSL - Université Paris Sciences et Lettres - EHESS - École des hautes études en sciences sociales - ENPC - École des Ponts ParisTech - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement)

  • Eduardo Perez-Richet

    (X-DEP-ECO - Département d'Économie de l'École Polytechnique - X - École polytechnique - IP Paris - Institut Polytechnique de Paris)

Abstract
This article asks when communication with certifiable information leads to complete information sharing. We consider Bayesian games augmented by a pre-play communication phase in which announcements are made publicly. We characterize the augmented games in which there exists a full disclosure sequential equilibrium with extremal beliefs (i.e., any deviation is attributed to a single type of the deviator). This characterization enables us to provide different sets of sufficient conditions for full information disclosure that encompass and extend all known results in the literature, and are easily applicable. We use these conditions to obtain new insights in senders-receiver games, games with strategic complementarities, and voting with deliberation.

Suggested Citation

  • Jeanne Hagenbach & Frédéric Koessler & Eduardo Perez-Richet, 2012. "Certifiable Pre-Play Communication: Full Disclosure," PSE Working Papers hal-00753473, HAL.
  • Handle: RePEc:hal:psewpa:hal-00753473
    Note: View the original document on HAL open archive server: https://hal.science/hal-00753473
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    References listed on IDEAS

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    More about this item

    Keywords

    Strategic Communication; Hard Information; Information Disclosure; Masquerade Relation; Belief Consistency; Single Crossing Di erences; Supermodular Games;
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