People use information about their ability to choose tasks. If more challenging tasks provide more accurate information about ability, people who care about and who are risk averse over their perception of their own ability will choose tasks that are not sufficiently challenging. Overestimation...

This paper develops a model of social interactions with endogenous association. People are assumed to invest in relationships to maximize their utility. Even in a linear-in-means model, when associations are endogenous, the effect of macro-group composition on behavior is non-linear and varies...

Older, industrial cities have suffered with the shift from manufacturing to services, but the increased importance of innovation as an economic driver may help industrial cities, which are often rich in the institutions that generate innovation. This paper studies how innovation is related to...