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.

Displaying 441-448 of 1276

Network Effects between Small & Medium Enterprises in Uganda

Francisco Campos
Markus Goldstein
Obert Pimhidzai
Mattea Stein
Bilal Zia
Many governments and organizations use finance and management training as a tool to promote small and medium enterprise growth in developing countries, but it is not clear whether or how information from these trainings is shared across SMEs operating in the same area.

Increasing Caloric Intake to Improve Hours Worked, Earnings, and Physical and Cognitive Abilities in India

Low-income populations throughout the world often consume very few calories. At the time of this intervention in 2013, over 800 million people globally consumed fewer calories than were recommended to maintain a healthy weight. However, the impact of low caloric intake on economic productivity is...

The Impact of Delayed Wage Payments on Spending and Investment in Malawi

Lasse Brune
Qingxiao Li
Researchers conducted a randomized evaluation to test the impact of paying workers on a weekly basis or in one lump sum, as well as of receiving payments in contexts with greater temptation to spend, on their spending and investment decisions. Workers assigned to receive lump-sum wages were more...

Messaging Strategies to Promote Safe Water and Hygiene in Bangladesh

Kaniz Jannat
David Levine
Thomas Polley
Leanne Unicomb
Researchers tested whether sharing messages that appealed to negative emotions, like shame or disgust, increased households’ hand-washing behavior and willingness to pay for water chlorination in Dhaka, Bangladesh. Negative messaging had no impact on chlorination levels or willingness to pay, but...

Providing Job Search Information to Improve Job Seekers' Employment and Earnings in Germany

Steffen Altmann
Florian Zimmermann
Researchers conducted a randomized evaluation to test the impact of providing recently unemployed individuals informational brochures about job search strategies that motivated an active search on their labor market outcomes. Providing informational brochures improved the employment and earnings of...

Demand for Nontraditional Cookstoves in Bangladesh

Robert Bailis
Puneet Dwivedi
Lynn Hildemann
In Bangladesh, researchers evaluated how varying husband-wife dynamics, information, and prices could affect purchases of widely available “improved” stoves, which substantially reduce indoor air pollution. They found that women have stronger preferences for improved stoves than their husbands, but...

The Impact of Decentralizing Education Spending on Student Learning in Senegal

Oswald Koussihouede
Nathalie Lahire
Corina Mommaerts
Researchers partnered with the Senegalese government to evaluate the impact of a decentralized school grants program on student learning. The program improved test scores overall and for girls in younger grades. The impact was stronger in schools that invested more in human resource training rather...

Community Based Rangeland Management in Namibia

David Coppock
Luke Crowley
Susan Durham
Dylan Groves
Brien Norton
R. Douglas Ramsey
In Namibia, researchers measured the impact of a community-based natural resource management program on livestock assets, income, social cohesion, and land quality. Community-based rangeland management improved rangeland grazing management, community governance of the rangelands, and farmer...