In most places, motor-vehicle traffic volume is associated with increased risk of child pedestrian injury; however, the burden of risk is geographically complex. In some neighbourhoods, proportionally fewer drivers may be local, meaning that the moral and practical responsibility of risk to...

A growing literature has found a positive association between human capital and long-run employment growth across cities. These studies have increased interest in understanding the location choices of university degree-holders, a group often used as a proxy measure of human capital. Based on...