Common reasoning in games: a Lewisian analysis of common knowledge of rationality

Cubitt, Robin and Sugden, Robert (2014) Common reasoning in games: a Lewisian analysis of common knowledge of rationality. Economics and Philosophy, 30 (03). pp. 285-329. ISSN 0266-2671

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Abstract

We present a new class of models of players' reasoning in non-cooperative games, inspired by David Lewis's account of common knowledge. We argue that the models in this class formalise common knowledge of rationality in a way that is distinctive, in virtue of modelling steps of reasoning; and attractive, in virtue of being able to represent coherently common knowledge of any consistent standard of individual decision-theoretic rationality. We contrast our approach with that of Robert Aumann (1987), arguing that the former avoids and diagnoses certain paradoxes to which the latter may give rise when extended in particular ways.

Item Type: Article
Faculty \ School: Faculty of Social Sciences > School of Economics
Depositing User: Pure Connector
Date Deposited: 04 Jun 2014 11:44
Last Modified: 14 Aug 2020 23:37
URI: https://ueaeprints.uea.ac.uk/id/eprint/48509
DOI: 10.1017/S0266267114000339

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