This study exploits the differential effects of the Vietnam War across birth cohorts to measure the effects of combat exposure on later violence and crime. Combat exposure and violent acts are measured using self-reports from the National Vietnam Veterans Readjustment Study. I find large...

Due to Federal regulations, automobile air bag availability was a model-specific discontinuous function of model year for used vehicles in the 1990s and early 2000s. We use these discontinuities and the gradual increase in the supply of air bags to trace out the demand curve for air bags and the...

A wide range of costly government policies are designed to extend citizens’ lives and to reduce the risk of premature death. Using economic reasoning, one can evaluate such policies on the basis of efficiency

This paper develops a generalized hedonic model in which an exogenous shock to a single product attribute can affect other attributes, the markets for the product's complements and substitutes, and aggregate quantity produced. These factors are shown to be empirically relevant and to cause bias...