Interpersonal trust (i.e. trust in other people) is an issue of high interest to both policy-makers and researchers seeking to understand what drives social and economic outcomes. However, for trust to usefully inform policy and analysis it is necessary to have valid and reliable measures of it....

We use an experiment to explore how subjects learn to play against computers which are programmed to follow one of a number of standard learning algorithms. The learning theories are (unbeknown to subjects) a best response process, fictitious play, imitation, reinforcement learning, and a trial...

We introduce a generalized theoretical approach to study imitation and subject it to rigorous experimental testing. In our theoretical analysis we find that the different predictions of previous imitation models are due to different informational assumptions, not to different behavioral rules....