Impact evaluations
Hotspot interventions at scale: the effects of policing and city services on crime in Bogotá, Colombia
3ie Impact Evaluation Report 88
Christopher Blattman, Donald Green, Daniel Ortega and Santiago Tobón
This study evaluated the impact of intensive policing and municipal services in targeted hotspots in Bogotá. When assessed in isolation, neither intervention led to a significant increase in security in When implemented together, their effect was intensified, resulting in a large and significant impact on security.