Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 97 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

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Improving local tax collection through technology in Ghana

Anders Jensen
David Lagakos
In partnership with Melchia Investments, a private Ghanaian technology company, researchers are conducting a pilot randomized evaluation to identify the effectiveness of a new tax collection technology in increasing property tax revenues for local governments.
Women in Liberia sit at tables with sewing machines and cloth in front of them. Instructors, including one wearing a vest from the Liberian Red Cross, smile at the front of the room.

The Impact of Psychosocial Therapy and Vocational Skills Training on Intimate Partner Violence in Urban Liberia

Naresh Kumar
David Park
In partnership with the Liberia National Red Cross Society, researchers evaluated a holistic approach to reducing IPV, in which vulnerable women received intensive psychosocial support and vocational skills training. The program reduced physical and emotional IPV; it also increased participants’...
DRC

Improving tax compliance through enforcement campaigns in the Democratic Republic of Congo

Augustin Bergeron
In partnership with the Kasai Central Provincial Tax Ministry in the Democratic Republic of Congo, the researcher conducted a randomized evaluation to identify the direct and indirect effects of varying levels of enforcement on firms’ tax compliance and their likelihood to pay bribes.
A Community Health Worker addresses a group of people in Kenya.

The Impact of Meritocratic Promotions and Pay Progression on Health Care Workers' Productivity in Sierra Leone

Erika Deserranno
Philipp Kastrau
Researchers tested the impact of a meritocratic promotion system and beliefs about pay progression on the productivity of Community Health Workers in Sierra Leone. A combination of meritocracy and the promise of a steep salary increase after promotion led workers to make more health care visits...
A voting box with ballots to the left, text on the top of the image reads "Denuncie Delitos Electorales"

The Impact of Citizen Monitoring on the 2019 Mayoral Elections in Colombia

Natalia Garbiras-Diaz
Mateo Montenegro
Researchers evaluated the impact of encouraging citizen monitoring on the 2019 mayoral elections in Colombia. The intervention resulted in higher reports from citizens and a reduction in observed irregularities in the election.

Soliciting Preferences for Improved Volunteer Retention, Performance, and Employability in Kenya

Willa Friedman
Guthrie Gray-Lobe
Michael Kremer
Researchers are conducting an evaluation of the Government of Kenya’s G-United youth volunteer program to test the effect of randomly placing students in locations they prefer on the retention of volunteers in the program, their job performance, and their employment outcomes after the program.

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

Sule Alan
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...
Child having his finger pricked in Bihar, India

Evaluating the Impact on Anemia of Making Double Fortified Salt Available in Bihar, India

Abhijit Banerjee
Sharon Barnhardt
Esther Duflo
In Bihar, India, researchers examined how double fortified salt could be most effectively priced, marketed, and distributed, in order to have the greatest impact on a range of health, education, and economic outcomes.