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Contribution Details

Type Working Paper
Scope Discipline-based scholarship
Title Voluntary disclosure in asymmetric contests
Organization Unit
  • Christian Ewerhart
  • Julia Lareida
  • English
Institution University of Zurich
Series Name Working paper series / Department of Economics
Number 279
ISSN 1664-7041
Number of Pages 92
Date 2021
Abstract Text This paper studies the incentives for interim voluntary disclosure of verifiable information in probabilistic all-pay contests. Provided that the contest is uniformly asymmetric, full revelation is the unique perfect Bayesian equilibrium outcome. This is so because the weakest type of the underdog will try to moderate the favorite, while the strongest type of the favorite will try to discourage the underdog─so that the contest unravels. Self-disclosure is optimal even though a weak favorite or strong underdog may be induced to raise their efforts, i.e., show "dominant" or "defiant" reactions. To avert Pareto inferior unraveling, the favorite may prefer to shut down communication, but this is never the case for the underdog. We also consider partial information release, cheap talk, Bayesian persuasion, information design, correlation, and continuous types. Applications are discussed. The proofs employ novel arguments in monotone comparative statics and an improved version of Jensen's inequality.
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Keywords Asymmetric contests, incomplete information, disclosure, strategic complements and substitutes, dominance and defiance, Bayesian persuasion, Jensen's inequality, Spieltheorie, Ungerechtigkeit, Auskunft, Dominanz, Abweichendes Verhalten
Additional Information Revised version; Former title: Voluntary disclosure in unfair contests