Using data from modified dictator games and a mixture-of-types estimation technique, we find a clear relationship between a classification of subjects into four different types of interdependent preferences (selfish, social welfare maximizers, inequity averse, and competitive) and the beliefs...

We examine experimentally the impact of communication on trust and cooperation. Our design admits observation of promises, lies, and beliefs. The evidence is consistent with people striving to live up to others' expectations in order to avoid guilt, as can be modeled using psychological game...