This paper analyzes variable-population social-evaluation principles in a framework where outcomes are uncertain. In a static model, we provide characterizations of expected-utility versions of Critical-Level Generalized Utilitarian rules.

This paper apportions responsability for inefficency in a market for state contingent claims between market makers and traders. We specifically examine the origins of a frequently observed distortion in the market for bets in horseraces- the favorite- longshot bias. Previous studies rationalise...

When "n" individuals satisfy the axioms of subjective expected utility (SEU) theory and these individuals' probabilities or/and utilities are sufficiently diverse, it is impossible to aggregate the individuals' preferences into a (n+1)-preference which is both Paretian and in agreement with SEU...

• This paper reviews both published and emerging research on different risks retirees face and possible solutions financial planners can use to help clients overcome behavioral hurdles.• Risk assessment questions that measure loss aversion, as well as reducing myopic behavior, can help keep...

We provide a microeconomic analysis of the incentive and welfare effects of idiosyncratic return risk. While most of the existing literature has focused on risky returns as an aggregate shock, we allow for correlation between returns and the agent's non-financial endowment. Using a simple...