We use panel data for 50 states during the 1960--2000 period to examine the deterrent effect of capital punishment, using the moratorium as a "judicial experiment." We compare murder rates immediately before and after changes in states' death penalty laws, drawing on cross-state variations in...

Theory suggests that tort reform could have two possible impacts on accidents. Reforms could increase accidents as tortfeasors internalize less of the cost of externalities and have less incentive to reduce the risk of accidents. Alternatively, tort reforms could decrease accidents as lower...