In August 1999, U.S. exchanges began to compete directly for order flow in many options that had been exclusively listed on another exchange, shifting 37% of option volume to multiple-listing status by the end of September. Effective and quoted bid-ask spreads decrease significantly after...

Operational risk is currently receiving significant media attention, as financial scandals have appeared regularly and multiple events have exceeded one billion dollars in impact. Regulators have also been devoting attention to this risk and are finalizing proposals that would require banks to...

Using comprehensive electronic data collected directly from NASDAQ systems, we assess the impact of changes in electronic message traffic on predicting short-term changes in prices, spreads and quoted depth levels. We document evidence that message traffic at, and nearby, the inside quotes...

In recent years, cash and futures prices have failed to converge at expiration for selected corn, soybean, and wheat commodity contracts. This lack of convergence raises questions about the effectiveness of arbitrage activities, and increases concerns about the usefulness of these contracts for...