We develop an empirical model of the mechanism used to assign police officers to Chicago districts and examine the efficiency and equity of alternative allocations. We document that the current bidding process, which grants priority based on seniority, results in the assignment of more...

We examine ten cohorts of male eighth graders in public schools in Chicago, IL: 1995-2004. We find that composite measures of math achievement, reading achievement, and neighborhood SES during elementary school are strong predictors of future felony arraignment and incarceration, even among...

This paper shows that shootings are predictable enough to be preventable. Using arrest and victimization records for almost 644,000 people from the Chicago Police Department, we train a machine learning model to predict the risk of being shot in the next 18 months. We address central concerns...

We examine 70,581 felony court cases filed in Chicago, IL, from 1990-2007. We exploit case randomization to assess the impact of judge assignment and sentencing decisions on the arrival of new charges. We find that, in marginal cases, incarceration creates large and lasting reductions in...