Well-documented racial disparities in rates of exclusionary discipline may arise from differences in hard-to-observe student behavior or bias, in which treatment for the same behavior varies by student race or ethnicity. We provide evidence for the presence of bias using statewide administrative...

We present a simple model of the effects of hate crime legislation. It shows that even if the direct harm to victims of hate crime is the same as for other crimes, because of other differences in the effects it may still be optimal to exert more law-enforcement effort to deter or prevent hate...

Race has long been recognized as playing a critical role in policing. In spite of this awareness, there has been virtually no previous research attempting to quantitatively analyze the issue. In this paper, we examine the relationship between the racial composition of a city's police force and...

In the 1970s and 1980s the United States government initiated what we call the 'War on Drugs.' Soon after, state governments began to enact new legislation imposing mandatory minimum sentences for drug offenders, and eliminating judicial discretion in imposing sentences. It was not long,...