This paper investigates the uncertainty in variance and covariance of asset returns. It is commonly believed that these second moments can be estimated very accurately. However, time varying volatility and nonnormality of asset returns can lead to imprecise variance estimates. Using CRSP value...

Myopic loss aversion has been used to explain why a high equity premium might be consistent with plausible levels of risk aversion. The intuition is that it plays the role of high risk aversion in portfolio choice. But if so, should these agents not perceive larger gains from international...

In recent years, banks have become increasingly aware of the credit risk borne in lending in the interbank market and they select their counterparties accordingly. They may also fear that if they come across a bad borrower, rescue plans will be skewed towards domestic creditors; moreover,...