We report two results. First, we evaluate the impact of a nationwide anti-firearm legislation passed by the Brazilian Congress in December 2003 (Estatuto do Desarmamento, henceforth ED). Our identification strategy hinges on the hypothesis that the law had stronger impact in places where gun...

We move forward in identifying the causes of the marked and systematic reduction in the homicide rate in São Paulo state in the 2000s. Its main objective was that of investigating the role of the criminal organization PCC in this process. We constructed a first-difference fixed effects model...