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...

Disability Insurance (DI) programs have long been criticized by economists for apparent work disincentives. Some countries have recently modified their programs such that DI recipients are allowed to keep some of their benefits if they return to work, and other countries are considering similar...

According to our model effective 'budgetary' separation of power occurs in the states with the line-item veto when the Governor is not aligned with the Legislature. Only then is the Legislature, which approves the budget and sets the tax level, not the full residual claimant of a tax release....