-play communication: numerical (tabular) only, and verbal and numerical. We find that either kind of pre-play communication increases … trusting, trustworthiness, or both, in inter-subject comparisons, but that the inclusions of verbal communication generates …

confidence bands which isolate the uncertainty of individual response coefficients given the temporal path experienced up to that …

We introduce opportunities for pre-play communication and to enter binding or non-binding contracts in trust games, and … find (a) communication increases trusting and trustworthiness, (b) contracts are unnecessary for trusting and trustworthy …

higher the levels of cooperation. We compare the behavior from these in finitely repeated games with behavior from finitely … repeated games of the same expected length and we find that there is more cooperation in the in finitely repeated games …

communication and no punishment, we find that chat room communication increases cooperation and efficiency substantially, and when …: communication, and punishment (allowing subjects to engage in costly reductions of one another’s earnings after learning of their … contribution decisions). We find that communication increases contributions more than punishment, and, taking into account the cost …

communication and no punishment, we find that chat room communication increases cooperation and efficiency nearly as much as face …: communication, and punishment (allowing subjects to engage in costly reductions of one another’s earnings after learning of their … contribution decisions). We find that communication increases contributions more than punishment, and, taking into account the cost …

The standard method when analyzing the problem of cooperation using evolutionary game theory is to assume that people … illustrate how reputation based choice of opponents can explain both the emergence and deterioration of cooperation. We show that … empirical and experimental evidence of cooperation is consistent with our hypothesis that people behave so as to minimize the …