BELIEF REVISION IN GAMES OF PERFECT INFORMATION

Common belief of rationality in games of perfect information

Article history: Received 12 June 2012 Available online 13 February 2013 JEL classification: C70 C72

Belief Revision Games

Belief revision games (BRGs) are concerned with the dynamics of the beliefs of a group of communicating agents. BRGs are “zero-player” games where at each step every agent revises her own beliefs by taking account for the beliefs of her acquaintances. Each agent is associated with a belief state defined on some finite propositional language. We provide a general definition for such games where ...

Coherent Belief Revision in Games

On Opinion Control in Belief Revision Games

We consider the problem of belief propagation in a network of communicating agents, modeled in the recently introduced Belief Revision Game (BRG) framework. In this setting, each agent expresses her belief through a propositional formula and revises her own belief at each step by considering the beliefs of her acquaintances, using belief change tools. We study the extent to which BRGs satisfy s...

Information structures in belief revision

Belief revision theories address the problem of rationally integrating new pieces of information into an agent’s belief state. Belief states themselves are represented by certain kinds of information structures. The most interesting and most closely studied type of belief revision is the one in which the new information is inconsistent with the agent’s current beliefs. The main question of the ...