Test direct, spillover and aggregate effects of hot spots policing on crime in a high crime environment. Methods: We identified 967 hot spot street segments and randomly assigned 384 to a six-months increase in police patrols. To account for the complications resulting from a large experimental...

We study the effects of broken windows policing on crime using geo-located crime and arrest reports for 80 Colombian cities. Broadly defined, broken windows policing consists of intensifying arrests - sometimes for minor offenses - to deter potential criminals. To estimate causal effects, we...

We study the effects of broken windows policing on crime using geo-located crime and arrest reports for 80 Colombian cities. Broadly defined, broken windows policing consists of intensifying arrests—sometimes for minor offenses—to deter potential criminals. To estimate causal effects, we...

The main purpose of this paper is to summarize the information currently available on cocaine production and trafficking. The paper starts by describing the available data on cocaine production and trade, the collection methodologies (if available) used by different sources, the main biases in...

This paper studies the effects of enforcement on illegal behavior in the context of a large aerial spraying program designed to curb coca cultivation in Colombia. In 2006, the Colombian government pledged not to spray a 10 km band around the frontier with Ecuador due to diplomatic frictions...

Purpose: This study aims to build on embedded approaches to stakeholder management and examines how organizational decision-makers consider social responsibility toward proximal stakeholders in crises that encompass an entire system of stakeholder relationships. Design/methodology/approach:...

Gangs govern millions worldwide. Why rule? And how do they respond to states? Many argue that criminal rule provides protection when states do not, and that increasing state services could crowd gangs out. We began by interviewing leaders from 30 criminal groups in Medellin. The conventional...

Medellin's government wanted to raise its efficacy, legitimacy, and control. The city identified 80 neighborhoods with weak state presence and competing armed actors. In half, they increased non-police street presence tenfold for two years, offering social services and dispute resolution. In...

Spanish Abstract: En este artículo estimo el efecto causal de las condiciones de reclusión sobre la reincidencia explotando la entrada en operación de nuevos centros de reclusión en Colombia. Entre marzo de 2010 y enero de 2013 entraron en funcionamiento diez nuevos centros de reclusión...

Spanish Abstract: Colombia concentra grandes esfuerzos fiscales a la persecución del delito de porte, fabricación y tráfico de estupefacientes. Estos costos no son siempre visibles, en tanto corresponden al costo de oportunidad de una gran cantidad de funcionarios que intervienen en el ciclo...