Archive for December 19th, 2012

One Wondrous Sentence: Concealed weapons laws and crime

December 19, 2012

This one wondrous sentence, from a detailed analysis of data in states with concealed carry or shall issue gun laws, helps establish that crime tends not to decrease as guns become more widely available.

Minor changes of specifications can generate wide shifts in the estimated effects of these laws, and some of the most persistent findings — such as the association of shall-issue laws with increases in (or no effect on) robbery and with substantial increases in various types of property crime — are not consistent with any plausible theory of deterrence.

Source: Ian Ayres and John  J. Donohue III, “Shooting Down the ‘More Guns, Less Crime’ Hypothesis,” Stanford Law Review, April 2003.

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