Correlations are crucial for pricing and hedging derivatives whose payoff depends on more than one asset. Typically, correlations computed separately for ordinary and stressful market conditions differ considerably, a pattern widely termed "correlation breakdown." As a result, risk managers...

Risk management information systems are designed to overcome the problem of aggregating data across diverse trading units. The design of an information system depends on the risk measurement methodology that a firm chooses. Inherent in the design of both a risk management information system and...

Financial dealer firms have invested heavily in recent years to develop information systems for risk measurement. I take it as given that technological progress is likely to continue at a rapid pace, making it less expensive for financial firms to assemble risk information. I look beyond...

A forecast of the correlation between two asset prices is required to price or hedge an option whose payoff depends on both asset prices or to measure the risk of a portfolio whose return depends on both asset prices. However, a number of factors make it difficult to evaluate forecasts of...

Over the last several years, a combination of loan losses and regulatory barriers to equity issuance have left Japanese banks starved for capital. In September 1995, the Mitsubishi Bank was permitted to issue a complicated convertible security in a foreign market. The results of simulations of...

I test for the existence of a bank lending channel of monetary policy transmission. I identify bank lending channel effects with a simple model of bank behavior incorporating long-term customer relationships. The model suggests that when a large fraction of bank assets is held in loans,...

The striking growth of credit derivatives suggests that market participants find them to be useful tools for risk management. I illustrate the value of credit derivatives with three examples. A commercial bank can use credit derivatives to manage the risk of its loan portfolio. An investment...

I examine the relationship between a financial intermediary ("bank") and a borrowing firm in a three-period overlapping generations model. The model can accommodate two financing arrangements between the bank and the firm: one requires commitment to a long-term contract, the other does not....

The "Big Bang" deregulation of Japanese financial markets focuses on financial modernization. I argue that financial modernization is of secondary importance for improving the performance of the Japanese economy. A key long-term issue facing Japan is to maintain its high level of per capita...