1. What Happens After Calls for New Gun Restrictions? Sales Go Up;Aisch,2016
2. Aldhous, P. (2017), Under Trump, gun sales did not spike after the Las Vegas shooting. 〈https://www.buzzfeed.com/peteraldhous/gun-sales-after-vegas-shooting?utm_term=.krxZRmEev#.pjykXPE3x〉.
3. The stock and flow of US firearms: Results from the 2015 National Firearms Survey;Azrael;RSF: The Russell Sage Foundation Journal of the Social Sciences,2017
4. The effect of mass shootings on the demand for guns;Brock;Southern Economic Journal,2020
5. Chau, E. (2018). The effects of mass shootings on gun sales (Economics Department Working Paper No. 1804). College of the Holy Cross. 〈https://crossworks.holycross.edu/econ_working_papers/181〉.