Regional trends + other controls 1977-2000 corrected data
aAdded covariates for state poverty, unemployment, death penalty execution rates, and regional time trends.
bStandard errors adjusted for state clustering.
its murder rate. The estimated changes in the murder rates of other states that adopted right-to-carry laws are sometimes positive (three cases) and sometimes negative (five cases) and are not statistically significantly different from zero. Black and Nagin also report variations in the directions and statistical significance of changes in the rates of rape and aggravated assault. They report no statistically significant increases in robberies, but only 2 of the 10 states that adopted right-to-carry laws had statistically signifi-