The effects of pre-play communication in a coordination game with incomplete information about players' intensity of preferences are compared to no communication controls. Pre-play communication significantly increases subjects' payoffs and the probability of coordination, while reducing...

Individuals and two-person teams play a hidden - action trust game with pre - play communication. We replicate previous results for individuals that non-binding promises increase cooperation rates. But this does not extend to teams. Wh ile teams make non-binding promises to cooperate at the same...