Suppose that a group of agents having divergent expectations can share risks efficiently. We examine how this group should behave collectively to manage these risks. We show that the beliefs of the representative agent is in general a function of the group.s wealth level, or equivalently, that...

This study appraises the role of gender in the behavior of individuals who make risky investments. The analysis bases on real-life investment data collected at an online market for peer-to-peer lending. The aim is to find out whether male and female investors differ in propensity for risk taking...