A model of addiction in which individuals are forward looking implies that as the availability of addiction treatment options grows, individuals will consume more of an addictive good. We test this implication using cross-state variation in the adoption of mental health parity mandates that...

If medical malpractice reform affects the supply of physicians, the effects will be concentrated in specialties facing high liability exposure. Many doctors are likely to be indifferent regarding reform, because their likelihood of being sued is low. This difference can be exploited to isolate...

Judges facing exogenous constraints on their pecuniary income have an incentive to reduce their workload to increase their private welfare. In the face of an increase in caseload, this incentive will induce judges to attempt to terminate some cases more rapidly. In class action cases, failing to...

In the law enforcement literature there is a presumption—supported by some experimental and econometric evidence—that criminals are more responsive to increases in the certainty than the severity of punishment. Under a general set of assumptions, this implies that criminals are risk seeking....