Economists who bring the tools of economic analysis to bear on the study of crime and crime prevention contribute to current debates a normative framework and sophisticated quantitative methods for evaluating policy, the idea of criminal behavior as rational choice, and the connection of...

We hypothesize the failure of government to protect the rights of individuals from violence committed by youths has led to the formation of youth gangs as protective agencies. Our theory predicts an opposite direction of causality between gang activity and violent crime than is widely accepted....