) notion of extensive-form (correlated) rationalizability to this setting, explore its properties and prove existence. We … define also a new variant of this solution concept, prudent rationalizability, which refines the set of outcomes induced by … characterize in it extensive-form rationalizability by iterative conditional dominance. -- Unawareness ; extensive-form games …

theory ; epistemic stability ; rationalizability ; closedness under rational behavior ; mutual p-belief …

Rationalizability is a widely accepted solution concept in the study of strategic form game with complete information … and is fully characterized in terms of assumptions on the rationality of the players and common certainty of rationality …. Battigalli and Siniscalchi extend rationalizability and derive the solution concept called Δ-rationalizability. Their analysis is …

In this paper we study common belief of rationality in strategic-form games with ordinal utilities, employing a …

We present a new solution concept for strategic games called comprehensive rationalizability that embodies "common … cautious belief in rationality" based on a sound epistemic characterization in a universal type space. It refines … rationalizability, but it neither refines nor is refined by iterated admissibility. Nevertheless, it coincides with iterated …