Changes in the terror alert level set by the Department of Homeland Security provide a shock to police presence in Washington, D.C. Using daily crime data during the period the terror alert system has been in place, we show that the level of crime decreases significantly, both statistically and...

On the day of their trial, a substantial number of felony defendants fail to appear. Public police have the primary responsibility for pursuing and rearresting defendants who were released on their own recognizance or on cash or government bail. Defendants who made bail by borrowing from a bond...

We investigate the forces that explain why trial awards differ across the United States. In 23 states judges are elected and in 10 they are elected via partisan elections. Elections have two important effects. First, defendants are often out-of-state nonvoters while plaintiffs are typically...

Product liability law reduces the costs of accidents to consumers, thus reducing their incentives to invest in safety. We estimate the impact of tort liability on a subset of consumers who have significant control over the probability of an accident: the consumers of general aviation aircraft....