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DTSTART:20250330T010000
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DTSTART;TZID=Europe/Helsinki:20251119T121500
DTEND;TZID=Europe/Helsinki:20251119T133000
DTSTAMP:20260710T011444
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SUMMARY:Frederic KOESSLER (HEC) - "A belief-based approach to signaling (with Marie Laclau and Tristan Tomala"
DESCRIPTION:Séminaire Microéconomie : Tous les mercredis\nHeure : 12h15 – 13h30\nDate : 19/11/2025\nSalle : 3001 \nFrederic KOESSLER (HEC) – “A belief-based approach to signaling (with Marie Laclau and Tristan Tomala” \nCV : We provide a geometric characterization of the set of interim equilibrium payoffs in the general class of costly signaling games. Our characterization offers a unified\, belief-based framework to study both cheap talk and costly signaling\, with or without transparent motives. The key ingredient is the analysis of Bayes-plausible belief distributions and signal-contingent interim values that are incentive-compatible for the sender. Geometrically\, this leads to a constrained convexification of the graphs of the interim value correspondences. We apply and illustrate the results in a class of intimidation games. We also derive the sender’s best equilibrium payoff under transparent motives. Finally\, we compare the equilibrium outcomes to those arising when the sender can commit to a signaling strategy. \nOrganisateurs : \nJulien COMBE (Pôle d’Economie du CREST)\n​​​​​​​​​​​​Yves Le YAOUANQ (Pôle d’Economie du CREST)\n​​​​​​​​​Matias NUNEZ (Pôle d’Economie du CREST) \nCommanditaires :\nCREST \n
URL:https://crest.science/event/frederic-koessler-hec-a-belief-based-approach-to-signaling-with-marie-laclau-and-tristan-tomala/
CATEGORIES:Microeconomics,Seminars
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