This study examines relations between high frequency trading, order flow toxicity, stock price volatility during normal and high order flow toxicity periods, and predictability of changes in high frequency traders' liquidity supply and demand. By employing Volume-synchronized probability of...

The notion of empty voting, or borrowing shares of stock in order to vote without an equivalent economic interest, has captured the attention of both the financial press and financial researchers. We investigate the securities lending market around proxy record dates for evidence of proxy abuse....

Blume and Goldstein [Journal of Finance 52, 1997, 221-244] suggest that quote competition between trading venues may diminish following tick size reductions. We test this suggestion by studying the competitive landscape in the NYSE-listed stocks before and after decimalization. We find that NBBO...

The study investigates competition in the market for NASDAQ stocks during a recent period in U.S. equity markets history when three major ECNs - Archipelago, Island, and Instinet - are identifiable in TAQ. We show that the ECNs compete with NASDAQ's SuperMontage on the basis of quotes, execution...

The study investigates competition in the market for NASDAQ stocks during a recent period in U.S. equity markets history when three major ECNs - Archipelago, Island, and Instinet - are identifiable in TAQ. We show that the ECNs compete with NASDAQ's SuperMontage on the basis of quotes, execution...

We examine the impact of market maker concentration on adverse-selection costs for NASDAQ stocks and find that more market makers results in lower costs. Furthermore, this reduction in adverse selection exceeds the overall reduction in spreads that is attributable to market maker competition. We...

We examine clustering of transaction prices in a sample that contains high-frequency trading firms’ transactions. We separate our sample into four categories: transactions with a high-frequency trading firm on both sides of the transaction, on only one side of the transaction (either liquidity...