Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 99 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

Displaying 9-16 of 79
Military officers in Argentina

Military Conscription and Crime in Argentina

Sebastian Galiani
Martin A. Rossi
Ernesto Schargrodsky
Researchers evaluated the effect of Argentina’s lottery-based conscription on draftees’ criminal activity. They found that conscription increased crime rates among draft-eligible Argentinians, especially those serving longer or during times of war.
houses in Medellín, Colombia

Contesting Criminal Gang Governance in Medellin: The Impacts of Intensive Municipal Governance and Community Organization on Gang Control and Governing of Neighborhoods

Chris Blattman
Gustavo Duncan
Benjamin Lessing
Santiago Tobón
In partnership with the City of Medellín, researchers randomly introduced a program that intensified government outreach to gang-controlled neighborhoods. The study found no evidence that the city’s intervention reduced gang rule.
Women attend a community outreach session on women's help desks.

Increasing Access to Security and Justice through Women's Help Desks in Police Stations in India

Gabrielle Kruks-Wisner
Akshay Mangla
Sandip Sukhtankar
Researchers are employing an RCT to evaluate whether the establishment of police station-level Women’s Help Desks (WHDs), as well as the deployment of additional female personnel to these WHDs, improves the responsiveness of frontline officers to women, as well as levels of crime and crime reporting...

Teaching Students Perspective-taking to Mitigate Social Exclusion of Refugee Children in Turkey

Sule Alan
Ceren Baysan
Mert Gumren
Elif Kubilay
Researchers partnered with the Ministry of Education in Turkey to conduct a randomized evaluation of Understanding Each Other, a program which aims to foster social cohesion through perspective-taking activities that encourage students to consider others’ perspectives. They found that the program...
soccer players posing for a group picture

Inter-religious Soccer Leagues to Promote Social Cohesion in Post-ISIS Iraq

Salma Mousa
Researchers evaluated the impact of mixed Christian-Muslim soccer teams on social cohesion and interactions between these groups in an ISIS-affected area of Iraq. Christians who played on mixed teams demonstrated a higher likelihood of engaging with Muslim teammates after the league ended, but the...
Young boy carrying suitcase on his head walking along a road in Nigeria.

The Effect of Information on Irregular Migration Decisions in Nigeria

Bernd Beber
Florian Foos
Macartan Humphreys
Alexandra Scacco
Dean Yang
Researchers are evaluating the impact of providing information about the risks and outcomes of irregular migration through door-to-door campaigns and social networks on actual migration decisions in Nigeria.
J-PAL logo

The Impact of Community Policing on Citizens' Response to COVID-19

Robert Blair
Travis Curtice
David Dow
Guy Grossman
Researchers are conducting phone surveys to understand the effects of a community policing intervention on citizens' trust in the state and how that affects their willingness to comply with COVID-19 related measures in Uganda.
Police officers take a stroll.

Can Transferring Policing Power to Community Members Improve Legal Protection in Papua New Guinea?

Jasper Cooper
The researcher used a randomized evaluation in Papua New Guinea to study the impact of the Community Auxiliary Police (CAP), a program that devolves policing powers to carefully selected community members. Results suggest increased state presence may have widened the gap between men and women’s...