Several recent papers show that by introducing a slight departure from the standard assumption that payoffs of a game are common knowldege, it is possible that a unique equilibrium arises. In this survey paper, we try to understand the underlying mechansims of this literature. We focus on a main...

A lot of attention has been devoted to give epistemic foundations to usual equilibrium concepts in game theory. An equilibrium concept is said to have an epistemic foundation if one can identify conditions in terms of knowledge and rationality of the players which are sufficient to guarantee...