We show that if an agent is uncertain about the precise form of his utility function, his actual relative risk aversion … may depend on wealth even if he knows his utility function lies in the class of constant relative risk aversion (CRRA … their risk aversion parameter invest less in risky assets than wealthy investors with identical risk aversion uncertainty. …

-varying forecast uncertainty and risk for the real price of oil over the period 1974-2018. We show that the combination approach … analysis of profit-loss and hedging against price risk. …

-varying forecast uncertainty and risk for the real price of oil over the period 1974-2018. We show that the combination approach … analysis of profit-loss and hedging against price risk. …

common knowledge, except that bidders have private degrees of aversion to downside-risk. In this model, the optimal FPA … risk or risk aversion generally leads to lower equilibrium bids. …