Given the large number of possible specification choices available to researchers when estimating the causal effect of concealed-carry laws on crime, one can generate considerable variation across models in the estimated effects of these laws. However, the growing sophistication in the...

For over a decade, there has been a spirited academic debate over the impact on crime of laws that grant citizens the presumptive right to carry concealed handguns in public – so-called right-to-carry (RTC) laws. In 2004, the National Research Council (NRC) offered a critical evaluation of the...