When measuring market risk, credit institutions and Alternative Investment Fund Managers may deviate from equally … weighting historical data in their Value-at-Risk calculation and instead use an exponential time series weighting. The use of … exponential weighting in the Value-at-Risk calculation is very popular because it takes into account changes in market volatility …

We examine risk taking when the bank's preferences exhibit smooth ambiguity aversion. Ambiguity is modeled by a second … return risk. Ambiguity preferences are modeled by the (second-order) expectation of a concave transformation of the (first …-order) expected utility of profit conditional on each plausible subjective distribution of the return risk. Within this framework, the …

access to a number of risk sharingmarkets that have an efficient risk management role. Two of the most strikingresults … achieved from the existence of risk sharing markets are the separationtheorem and the and full-hedging theorem. This note … examines the optimalproduction for exports and hedging decisions of a risk-averse rm facing bothhedgeable exchange rate risk …

is not only risk averse but also regret averse. Regret-averse preferences are characterized by a modified utility … firm optimally increases (decreases) its futures position when the price risk possesses more positive (negative) skewness. …