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...

This paper shows that temperance is the highest order risk preferences condition for which spreading N independent and unfair risks provides the highest level of welfare than any other possible allocations of risks. These results are also interpreted through the concept of N-superadditivity of...

This paper investigates the notion of changes in ambiguity over loss probabilities in the smooth ambiguity model developed by Klibanoff, Marinacci and Mukerji (2005). Changes in ambiguity over loss probabilities are expressed through the specific concept of stochastic dominance of order n...

This paper investigates how welfare losses for facing risks change as the risk environment of the decision-maker is altered. To that aim, we define the risk apportionment of order n (RA-n) utility premium as a measure of pain associated with facing the passage from one risk to a riskier one....