Beliefs, intentions, and evolution: Old versus new psychological game theory
We compare Colman's proposed "psychological game theory" with the existing literature on psychological games (Geanakoplos, Pearce and Stachetti 1989), in which beliefs and intentions assume a prominent role. We also discuss the experimental evidence on intentions, with a particular emphasis on reciprocal behavior, as well as some recent efforts to show that such behavior is consistent with social evolutions.