Miyagawa, Eiichi; Miyahara, Yasuyuki; Sekiguchi, Tadashi - In: Journal of Economic Theory 139 (2008) 1, pp. 192-221
The folk theorem literature has been relaxing the assumption on how much players know about each other's past action. Here we consider a general model where players can "buy" precise information. Every period, each player decides whether to pay a cost to accurately observe the actions chosen by...