Search our database of 1155 randomized evaluations conducted by our affiliates in 95 countries. To browse summaries of key policy recommendations from a subset of these evaluations, visit the Policy Publications tab.

Displaying 1-8 of 1155

Property Tax Experiment in Punjab, Pakistan: Testing the Role of Wages, Incentives and Audit on Tax Inspectors' Behavior

Researchers conducted a two-year randomized evaluation of incentive schemes for tax officials in Punjab, Pakistan that found performance pay significantly increased tax revenues without harming taxpayer satisfaction.

School Electricity and Native Language Digital Media to Improve Student Learning in Tanzania

Hee Kwon Seo
Making electricity and learning materials in students’ native language more widely available in schools may be beneficial to student learning, but existing evidence is sparse. Researchers conducted a randomized evaluation to test the impact of school electrification, delivered alongside mixed...

Providing Information about Job Seekers’ Skills to Increase Employment Outcomes in South Africa

Eliana Carranza
Neil Rankin
In South Africa, researchers partnered with Harambee Youth Employment Accelerator to evaluate the impact of providing information about a job seeker’s skills on job seekers’ beliefs, search effort, and employment outcomes. Providing information to job seekers and prospective employers increased...

Psychosocial Support to Improve Mental Health and Child Development Among Rohingya Refugees in Bangaldesh

Tanvir Ahmed Mozumder
Tabassum Rahman
Tanvir Shatil
Abu Siddique
Researchers evaluated the impact of a psychosocial support program on mental health and child development among Rohingya refugees in Bangladesh. Results showed that the support program improved the mental health of mothers and children and led to improvements in early childhood development.

Does EdTech Substitute for Traditional Learning? The Impact of Computer-Assisted Learning in Russia

Robert W. Fairlie
Anastasia Kapuza
Elena Kardanova
Prashant Loyalka
Andrey Zakharov
Researchers conducted a randomized evaluation to evaluate the impact of computer-assisted learning (CAL) on student test scores. The CAL program improved students’ math and language test scores, but increasing the time students spent on CAL did not lead to additional gains.

Personalizing Information to Improve Retirement Savings in Chile

Olga Fuentes Contreras
Julio Riutort
Felix Villatoro
Researchers partnered with Chile’s national pension authority to evaluate the effect of personalized versus generic information, delivered via self-service kiosks at government offices, on long-term savings. People who received personalized information increased their voluntary contributions in the...