Testing for the Effects of Concealed Weapons Laws: Specification Errors and Robustness
AbstractIn 1997, John Lott and David Mustard published an important paper in which they found that right-to-carry concealed weapons laws reduce violent crime. Although Lott and Mustard appear to do all possible variations of the analysis, a closer reading reveals that the study might suffer from several possibly important errors. I re-estimate the model and check for incorrect functional form, omitted variables, and possible second-order bias in the t-ratios. Lott and Mustard's basic conclusions are generally robust with respect to these potential econometric problems. Overall, right-to-carry concealed weapons laws tend to reduce violent crime. The effect on property crime is more uncertain. I find evidence that these laws also reduce burglary. Copyright 2001 by the University of Chicago.
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Bibliographic InfoArticle provided by University of Chicago Press in its journal Journal of Law & Economics.
Volume (Year): 44 (2001)
Issue (Month): 2 (October)
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Web page: http://www.journals.uchicago.edu/JLE/
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- Mark Duggan & Randi Hjalmarsson & Brian A. Jacob, 2008. "The Effect of Gun Shows on Gun-Related Deaths: Evidence from California and Texas," NBER Working Papers 14371, National Bureau of Economic Research, Inc.
- Kleck, Gary & Kovandzic, Tomislav & Schaffer, Mark E, 2005. "Gun Prevalence, Homicide Rates and Causality: A GMM Approach to Endogeneity Bias," CEPR Discussion Papers 5357, C.E.P.R. Discussion Papers.
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