Applying police legitimacy,cooperation, and collective security hypotheses to explain collective efficacy and violence across neighbourhoods

This study examines views about police legitimacy and competence in neighbourhoods over time. The study compares theories about police legitimacy, the cooperation hypothesis, and the collective security hypothesis to predict violence. Findings suggest that when police legitimacy is deficient in neighbourhoods, a culture supportive of violence to resolve disputes may develop. Results show the importance of police competence to suppress violence and build collective efficacy. Finally, police are more successful in neighbourhoods that are collectively efficacious. The cooperation hypothesis is fully supported, but the collective security hypothesis and LaFree’s legitimacy theory receive partial support. Findings underscore the merit of examining neighbourhood consequences of police legitimacy, including how institutions, like police, can impact neighbourhood socialisation processes and are impacted by them.