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 545-552 of 1272
Two farmers working in a rice field

Energy Efficiency in Groundwater Extraction for Agriculture in Bangladesh

Kyle Emerick
Researchers conducted a randomized evaluation to test the impact of providing subsidies for a soil monitoring technology on the electricity used to pump groundwater to agricultural fields in rural Bangladesh. They found that the technology reduced the amount of electricity used for irrigation, but...
Woman watering a small field with a hose.

The Impact of Contract Farming on High Yielding Seed Adoption in Ghana

Edward Asiedu
Dean Karlan
Christopher Udry
Researchers are partnering with the Savanna Farmers Marketing Company (SFMC) to evaluate the impact of a contract farming program that encourages the uptake of new technologies on the adoption of high yielding seeds in northern Ghana.
Two construction workers shoveling dirt.

Investigating Rural Labor Markets Among the Ultra-Poor in Northern Ghana

Abhijit Banerjee
Dean Karlan
Robert Osei
Hannah Trachtman
Christopher Udry
Researchers designed an employment program in northern Ghana and evaluated participants’ willingness to engage in paid labor and carry out complex tasks on the job.
A man's hand types on WhatsApp on a mobile phone.

Countering Covid-19 Misinformation through WhatsApp in Zimbabwe

Jeremy Bowles
Horacio Larreguy
Shelley Liu
In this randomized evaluation in Zimbabwe, researchers studied how social media messages targeting misinformation can affect people’s beliefs about and responses toward Covid-19. The study found that these messages increased participants’ knowledge of Covid-19 information by 7 percentage points and...
J-PAL logo

The Impact of Transportation and Information Access on Women's Job Search and Employment in Pakistan

Erica Field
Robert Garlick
Nivedhitha Subramanian
Kate Vyborny
Researchers conducted a randomized evaluation to test the impact of increased access to transportation and assistance with interview scheduling on women’s employment.
A shop on the roadside in Kenya

Local Mentorship and Business Training to Increase Profits among Microenterprises in Kenya

Researchers conducted a randomized evaluation to test the impact of two different types of business training—formal business classes and mentorship from a successful entrepreneur in the same industry—on female entrepreneurs’ profits and use of new business practices in Kenya. They found that...
A study participant uses the tablet-based bargaining app

Providing Endowments to Improve Bargaining Outcomes for Microentrepreneurs in Ghana

Morgan Hardy
Gisella Kagy
Lena Song
Researchers randomly provided more or less cash to garment-making firm owners in Ghana before a bargaining game to evaluate the impact of endowment on the negotiated sale price of a good. Owners of garment-making microenterprises with lower household liquidity agreed to lower sale prices during the...
A doctor examines the eyes of a child held by his mother in rural Nigeria.

Pay for Performance Incentives for Healthcare Workers and Their Supervisors in Sierra Leone

Working with the Ministry of Health and Sanitation in Sierra Leone, researchers evaluated the impact of incentivizing community health workers (CHWs), their supervisors, or both on health care provision. Sharing the incentive between CHWs and their supervisors resulted in more health care visits...