Search our database of 1,800+ randomized evaluations conducted by our affiliates in 96 countries. To browse summaries of key policy recommendations from a subset of these evaluations, visit the Policy Publications tab.

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The Impact of Peer Messaging to Combat the Spread of Covid-19 in Zambia

Researchers conducted a randomized evaluation in Zambia to test the impact of a peer-based information campaign, consisting of SMS messages and small cash incentives, on people’s adherence to Covid-19 health protocols. Participants forwarded public health SMSs when they were encouraged to do so, yet...

The Effects of Exposure to Financial Markets on Voter Behavior in Israel

Moses Shayo
In many societies facing violent conflict, policymakers have attempted a number of strategies to reduce conflict and generate support for peace initiatives, but rarely consider the role that exposure to financial markets can play in mitigating social conflict. Researchers evaluated the impacts of...

Rural Finance and Commitment Mechanisms in Agricultural Input Decisions in Mali

In Mali, researchers are working with Innovations for Poverty Action, Soro Yiriwaso (a microfinance institution), and UNRIA (the national network of agriculture input dealers), to evaluate the relative importance of these two factors in farmers’ fertilizer-purchasing decisions.

Do Students Benefit from Blended Instruction?

In partnership with Avanti Fellows, this study evaluates the impact of the Sankalp program, which provides teachers with resources and training to blend their instruction with video-based learning materials, on student’s math and science test scores.

Evaluating Transfer Size in a Conditional Cash Transfer Program for Seasonal Migrants in Indonesia

Researchers conducted a randomized evaluation to test the impact of a cash transfer program conditional on seasonal migration and an unconditional cash transfer (UCT) program on rural households’ decisions to migrate and migration season earnings in West-Timor, Indonesia. Relative to the UCT, the...

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.

Revealing Stereotypes about Immigrant Students to Middle School Teachers in Italy

Researchers evaluated the impact of informing middle school teachers in Italy about their implicit stereotypes towards immigrant students on end-of-year grading. Both math and literature teachers eligible to receive feedback before the end-of-the-year grading gave higher grades to immigrant students...

Secondary School Scholarships to Increase Girls' Skill Development, Empowerment, and Job Opportunities in Niger

Elise Huillery
Mathilde Sage
The Government of Niger, the National Institute of Statistics, and the World Bank partnered with researchers to evaluate the impact of secondary school scholarships for girls on skill development, empowerment, and job opportunities.