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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The Effects of Varying Input Market Timing and Access to Credit on Farmers’ Agricultural Investment in Mali

In Mali, researchers conducted a randomized evaluation to test how the design and timing of a physical market for inputs (village input fairs) with varying levels of credit access affected farmers’ investment decisions. They found that farmers with access to credit from VIFs organized after harvest...

Improving local tax collection through technology in Ghana

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.

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

Gustavo Duncan
Benjamin Lessing
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.

Combating Misinformation using Fact-Checking via WhatsApp in South Africa

Jeremy Bowles
Kevin Croke
Researchers conducted a randomized evaluation to assess how fact-checks regularly sent to participants through WhatsApp can affect their ability to discern false information, as well as their beliefs and attitudes related to topics subject to viral misinformation, particularly Covid-19. Overall, the...

Increasing Women’s Local Political Participation Through Top-Down and Bottom-Up Training in Indonesia

A researcher evaluated the impact of empowerment training for female citizens and training for male council chairs on women's participation in neighborhood associations, known as rukun tetangga (RT) in Malang, East Java, Indonesia.

The Impact of Unconditional Cash Transfers on Consumption and Household Balance Sheets in the United States

David E. Broockman
Patrick Krause
Elizabeth Rhodes
Researchers conducted a randomized evaluation testing the impact of monthly cash transfers of $1,000 to low-income individuals in Texas and Illinois on household expenditures, debts and assets, and financial health. The study found that receiving the cash transfer increased spending by $310 per...

Training Teachers in Curiosity-Based Science Pedagogy in India

Ariel Gomez
Vinay Jha
Santosh Kumar
Sandeep Kumar
Nishith Prakash
Soham Sahoo