Certifiable Pre-Play Communication: Full Disclosure

Jeanne Hagenbach (), Frederic Koessler and Eduardo Perez
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Jeanne Hagenbach: X-DEP-ECO - Département d'Économie de l'École Polytechnique - X - École polytechnique - IP Paris - Institut Polytechnique de Paris

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Abstract: This article asks when communication with certifiable information leads to complete information revelation. We consider Bayesian games augmented by a pre-play communication phase in which announcements are made publicly. We first characterize the augmented games in which there exists a fully revealing sequential equilibrium with extremal beliefs (i.e., any deviation is attributed to a single type of the deviator). Next, we define a class of games for which existence of a fully revealing equilibrium is equivalent to a richness property of the evidence structure. 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 games with strategic complementarities, voting with deliberation, and persuasion games with multidimensional types.

Keywords: Strategic communication; Hard information; Information disclosure; Masquerade relation; Belief consistency; Single crossing differences; Deliberation; Supermodular games (search for similar items in EconPapers)
Date: 2014-05
Note: View the original document on HAL open archive server: https://shs.hal.science/halshs-01053478v1
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Citations: View citations in EconPapers (55)

Published in Econometrica, 2014, 82 (3), pp.1093 - 1131. ⟨10.3982/ECTA11070⟩

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Related works:
Journal Article: Certifiable Pre‐Play Communication: Full Disclosure (2014)
Working Paper: Certifiable Pre-Play Communication: Full Disclosure (2014)
Working Paper: Certifiable Pre-Play Communication: Full Disclosure (2012)
Working Paper: Certifiable Pre-Play Communication: Full Disclosure (2012)
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Persistent link: https://EconPapers.repec.org/RePEc:hal:pseptp:halshs-01053478

DOI: 10.3982/ECTA11070

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