Beginning in 1998, U.S. commercial banks with significant trading activities must hold capital against their defined market risk exposure. Under the current regulatory guidelines, this capital charge is a function of banks' own value-at-risk (VaR) estimates. Two hypothesis-testing methods for...

We argue that the risk of banks is hard for outsiders to judge because the risk of their mostly financial assets is either hard to measure (opaque) or easy to change. We report evidence that bond rating agencies seem to disagree more over banks than over other types of firms. Among banks, bond...

Following the investment-cash flow literature, we test whether bank lending is constrained by the availability of insured deposits--a necessary condition for the existence of bank lending channel of monetary policy. We treat insured deposits as a type of "internal fund," similar to cash flows....

This paper shows that large BHCs are better diversified than small BHCs based on market measures of diversification. We find, however, that better diversification does not translate into reductions in overall risk. The risk reducing potential of diversification at large BHCs is offset by their...