We develop a model in which an overconfident agent learns about groups in society from observations of his and others' successes. In our model, both the agent's information and his beliefs are multi-dimensional, allowing us to study interactions between different views. Overall, society always...

Do people know their own risk preferences, or do risk choices change with experience and observation? We provide a clean and straightforward test in the laboratory. People make an initial decision concerning a lottery choice and then experience 24 practice periods in which they roll the dice,...

We analyze a repeated principal-agent setting in which the principal cares about the agent's verifiable effort as well as an extra profit that can be generated only if the agent is talented. The agent is overconfident about his talent and updates beliefs using Bayes' rule. An exploitation...