The logic of Knightian games

S. Alon Eron, A. Heifetz

Research output: Contribution to journalArticlepeer-review


We devise a sound and complete epistemic-logic axiomatization for Knightian type spaces—the generalization of Harsanyi type spaces employed in strategic games with asymmetric uncertainty/ambiguity. In a Knightian type space, each type's epistemic attitude is represented by a set of probability measures. The axiomatization unravels how each such epistemic attitude embodies a (potentially) partial likelihood relation over formulas, and conversely, each partial likelihood relation over formulas is representable by a Knightian type.
Original languageAmerican English
Pages (from-to)161-182
Number of pages22
JournalEconomic Theory
StatePublished - 2014


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