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December 6, 2000

Impact of the Brady Act on Homicide and Suicide Rates—Reply

Author Affiliations

Stephen J.LurieMD, PhD, Senior EditorIndividualAuthorPhil B.FontanarosaMD, Executive Deputy EditorIndividualAuthor

JAMA. 2000;284(21):2718-2721. doi:10.1001/jama.284.21.2717

In Reply: Dr Lott's econometric suggestions are problematic. It is well known that arrest rates have a spurious negative correlation with the crime rate, since the latter constitutes the denominator of the former.1 Introducing an "independent" variable that is codetermined with the dependent variable will generally bias all coefficient estimates.