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...

This study uses For Official Use Only data on U.S. military operations to evaluate the large-scale Army policies to replace relatively light Type 1 Tactical Wheeled Vehicles (TWVs) with more heavily protected Type 2 variants and later to replace Type 2s with more heavily protected Type 3s. We...

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...