Intrinsic correlation in games (Q938054)

The authors deal with the epistemic approach (to game theory), under which description of a game includes not only sets of players' strategies, payoff functins, but also their hierarchies of beliefs about strategies played in game. This gives a source of correlation that is called ``intrinsic route''. The objective of this paper to compare intrinsic correlation with extrinsic one (correlated rationalizability) taken b \textit{R. J. Aumann} [J. Math. Econ. 1, 67--96 (1974; Zbl 0297.90106)].