We study the role of mortgage brokers in the subprime crisis using a detailed sample of loans originated by, formerly, one of the largest subprime loan originators, New Century Financial Corporation. Prior to the subprime crisis, mortgage brokerage firms originated about 65% of all subprime...

Prior to the subprime crisis, mortgage brokers charged higher percentage fees for loans that turned out to be riskier ex post, even when conditioning on other risk characteristics. High conditional fees reveal borrower attributes that are associated with high borrower risk, such as suboptimal...

We provide empirical restrictions of a model of optimal order submissions in a limit order market. A trader's optimal order submission depends on the trader's valuation for the asset and the trade-offs between order prices, execution probabilities and picking off risks. The optimal order...

We analyze the costs and benefits of providing and using liquidity in a limit order market. Using a large and comprehensive data set which details the complete histories of orders and trades on the Vancouver Stock Exchange, we are able to model the order flow and measure market liquidity as it...

This paper analyzes order placement strategies in a limit order market. Traders submitting market or limit orders to the limit order book trade off the order price, the execution probability, and the winner's curse risk associated with different feasible order choices. Their optimal order...

We present a method for identifying and estimating the gains from trade in limit order markets and provide new empirical evidence that the limit order market is a good market design. The gains from trade in our model arise because traders have different valuations for the stock. We use...

We model a trader's decision to supply liquidity by submitting limit orders or demand liquidity by submitting market orders in a limit order market. The best quotes and the execution probabilities and picking off risks of limit orders determine the price of immediacy. The price of immediacy and...