Speeding up the exchange does not necessarily improve liquidity. On the one hand, more speed enables a high-frequency market maker (HFM) to update his quotes faster on incoming news. This reduces his payoff risk and thus lowers the competitive bid-ask spread. On the other hand, HFM price quotes...

We identify long-lived pricing errors through a model in which inattentive investors arrive stochastically to trade. The model’s parameters are structurally estimated using daily NYSE market-maker inventories, retail order flows, and prices. The estimated model fits empirical variances,...

Central clearing counterparties (CCPs) have a variety of economic rationales. The Great Recession of 2007-2009 led regulators to mandate CCPs for most interest-rate and credit derivatives, markets in which large amounts of risks are transferred across agents. This change led to a large increase...