Extensive Form Implementation in Incomplete Information Environments

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalNot applicablepeer-review

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Original languageEnglish
Pages (from-to)222-256
Journal / PublicationJournal of Economic Theory
Volume80
Issue number2
Publication statusPublished - Jun 1998
Externally publishedYes

Abstract

We study the implementation of social choice rules in incomplete information environments. A sufficiency condition called posterior reversal is given for extensive form implementation. The condition has a natural interpretation in signaling terms: Consistent posterior distributions under truth-telling are different from consistent posteriors under deception. This variation in the distribution over player types leads to variation in the distribution over actions and outcomes (comparing truth-telling and deception). We exploit this feature to implement social choice rules. Journal of Economic Literature Classification Numbers: D78, D82.