--- title: Professor Topher McDougal Releases New Research Modeling the U.S. Firearms Market description: By modeling the U.S. firearms market, research shows that the demand curve is U-shaped — more firearms on the market actually increases demand image: https://krocstories.sandiego.edu/hubfs/AdobeStock_503299607.jpeg --- [Skip Navigation](https://krocstories.sandiego.edu/peace/the-innovating-peace-blog/professor-topher-mcdougal-releases-new-research-modeling-the-u.s.-firearms-market#main) [![University of San Diego](https://krocstories.sandiego.edu/hubfs/KROC/%5BKROC%5D%20Branding%20Assets/logo-usd.png)](https://www.sandiego.edu/) [Joan B. 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The article titled, *Modeling the U.S. Firearms Market: The Effects of Civilian Stocks, Legislation, and Crime*, was written in collaboration with Professors Jurgen Brauer of Chulalongkorn University and Daniel Montolio of the University of Barcelona.  By modeling the U.S. firearms market with econometrics for the first time, their research shows among other things that the demand curve is U-shaped — meaning that past a certain point, more firearms on the market actually increases demand and may generate some new market demand in a positive feedback loop. Additionally, they find that other than the 10-year assault weapons ban (‘94-’04), federal firearms legislation does not influence firearms sales and that violent crime, including homicide and mass shootings, boosts domestic sales. [![Read the Article](https://no-cache.hubspot.com/cta/default/6041001/ea1cb8fb-f34d-485e-b01c-823b4f537eb2.png)](https://cta-redirect.hubspot.com/cta/redirect/6041001/ea1cb8fb-f34d-485e-b01c-823b4f537eb2) ![Kroc School](https://krocstories.sandiego.edu/hubfs/USD-SPS-logo-reverse-3.png) About the Author [Kroc School](https://krocstories.sandiego.edu/peace/the-innovating-peace-blog/author/kroc-school) The Joan B. Kroc School of Peace Studies (Kroc School) at the University of San Diego is the global hub for peacebuilding and social innovation. Founded in 2007, the Kroc School equips the next generation of innovative changemakers to shape more peaceful and just societies. We offer master's degrees in peace and justice, social innovation, humanitarian action, conflict management and resolution, and a dual degree in peace and law — programs that have attracted diverse and dynamic students from more than 50 countries. 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