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A Unified Approach to Information, Knowledge, and Stability

Xiao Luo () and Yi-Chun Chen ()

No 472, Econometric Society 2004 Far Eastern Meetings from Econometric Society

Abstract: Within the context of strategic interaction, we provide a unified framework for analyzing information, knowledge, and the "stable" pattern of behavior. We first study the related interactive epistemology and, in particular, show an equivalence theorem between a strictly dominated strategy and a never-best reply in terms of epistemic states. We then explore epistemic foundations behind the fascinating idea of stability due to J. von Neumann and O. Morgenstern. The major features of our approach are: (i)unlike the ad hoc semantic model of knowledge, the state space is constructed by Harsanyi’s types that are explicitly formulated by Epstein and Wang (Econometrica 64, 1996, 1343-1373); (ii)players may have general preferences, including subjective expected utility and non-expected utility; and (iii) players may be boundedly rational and have non-partitional information structures

Keywords: epistemic games; Harsanyi's types; interactive epistemology; stability; non-expected utility; bounded rationality (search for similar items in EconPapers)
JEL-codes: C70 C72 D81 (search for similar items in EconPapers)
Date: 2004-08-11
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