We use a portfolio-simulation technique to estimate the value added from diversification by bank holding companies. Using a sample of 412 multi-bank bank holding companies (MBHCs) from 1990 to 1994, we construct pro forma benchmark portfolios for each MBHC composed of shares of single banks,...

Value-at-risk (VaR) models have been accepted by banking regulators as tools for setting capital requirements for market risk exposure. Three statistical methodologies for evaluating the accuracy of such models are examined; specifically, evaluation based on the binomial distribution, interval...