What impact will terrorism have on America's cities? Historically, large-scale violence has impacted cities in three ways. First, concentrations of people have an advantage in defending themselves from attackers, making cities more appealing in times of violence. Second, cities often make...

We study the contribution of health-related behaviors to the health-education gradient by distinguishing between short-run and long-run mediating effects: while in the former only current or lagged behaviors are taken into account, in the latter we consider the entire history of behaviors. We...