In the fall of 2004, Benedict College - a Historically Black College in Columbia, SC - began enforcing a new grading policy called Success Equals Effort (SE2). Under this policy, students taking freshman and sophomore level courses were assigned grades that explicitly rewarded not only content...

Rather than estimating the returns to obtaining a college degree, this paper treats the college education decision as an uncertain investment involving varying likelihoods of successful graduation. We predict earnings conditional on both graduating and not graduating from both selective and...

This paper considers the extent to which individual crime hazards increase with four measures of clinical obesity. Cox proportional hazard parameter estimates suggest that reductions in the incidence of obesity will improve public health and public safety by reducing crime.

This paper considers the extent to which crime in early America was conditioned on height. With data on inmates incarcerated in Pennsylvania state penitentiaries between 1826 and 1876, we estimate the parameters of Wiebull proportional hazard specifications of the individual crime hazard. Our...