A Dynamic Model of Equilibrium Selection in Signaling Markets

Nöldeke, Georg and Samuelson, Larry (February 1996) A Dynamic Model of Equilibrium Selection in Signaling Markets. Former Series > Working Paper Series > IHS Economics Series 27


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Abstract: In his work on market signaling, Spence proposed a dynamic model of a signaling market in which a buyer revises prices in light of experience and sellers choose utility-maximizing signals given these prices. Spence also suggested that subjecting the dynamic process to rare perturbations might allow one to choose between multiple equilibria. This paper examines the effect of introducing such perturbations into Spence's dynamic model. We find that refinement results arise naturally fromthe dynamic analysis. In a broad class of markets, our model selects a separating equilibrium outcome if and only if the equilibrium outcome satisfies a version of the undefeated equilibrium concept, whereas a pooling equilibrium outcome is selectedif and only if the equilibrium outcome is both undefeated and satisfies D1.;

Item Type: IHS Series
Keywords: 'Equilibrium Selection' 'Evolution' 'Signaling'
Classification Codes (e.g. JEL): C70, C72, D82, D83
Date Deposited: 26 Sep 2014 10:36
Last Modified: 27 Sep 2019 06:47
URI: https://irihs.ihs.ac.at/id/eprint/889

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