Firearms and suicides in US states

This study investigates the relationship between firearm prevalence and suicide in a sample of all US states over the years 2000–2009. We find strong, positive effects of gun prevalence on suicide using OLS estimation, across a variety of measures for gun possession,...

Using Placebo Laws to Test “More Guns, Less Crime”

We reexamine Mustard and Lott’s controversial study on the effect of “shall-issue” gun laws on crime using an empirical standard error function randomly generated from “placebo” laws. We find that the effect of shall-issue laws on crime is much less well-estimated...