Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 96 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

Displaying 33-40 of 99

Rates of Return to Fertilizer: Evidence from Field Experiments in Kenya

Jonathan Robinson
Researchers in Kenya collaborated with the NGO International Child Support to measure the returns to different types of fertilizer among local farmers. While results show that all interventions led to increases in yield, rate-of-return calculations indicate that not all were profitable for the...

Contract Farming, Technology Adoption and Agricultural Productivity: Evidence from Small Scale Farmers in Western Kenya

In Western Kenya, researchers evaluated an SMS intervention whereby a large-agribusiness sent farmers with whom they contracted timely reminders on agricultural tasks to be completed. The SMS intervention was a cost-effective means of increasing yields, farmer revenue, and company profits. However...

The Impact of Quality Upgrading and Market Access on Farmers’ Productivity and Profits in Uganda

In western Uganda, researchers conducted a series of randomized evaluations that assessed the impact of introducing a combination of post-harvest services, training on agricultural best practices, and access to a market for high-quality maize on farmers’ productivity and profits. Researchers found...

Reducing Job Search Costs with an SMS-based Messaging App in Rural Tanzania

Dahyeon Jeong
The researcher conducted a randomized evaluation in rural Tanzania to determine the impact of an SMS-based messaging app that connects agricultural workers and employers on wages. Results found that the SMS-based messaging app reduced wage spread within villages–meaning employers paid a wage closer...

Promoting Agricultural Technology Adoption in Rwanda

In Rwanda, researchers worked with TechnoServe to evaluate the impact of an agronomy training program on farmers’ knowledge and use of best practices in coffee-growing. Preliminary results suggest that the trainings helped some farmers improve their coffee-growing practices, but that the practices...

Evaluating an Exporting Scheme in Tunisia

Giacomo De Giorgi
Aminur Rahman
To promote export diversification, the Tunisian government is implementing a $22 million export matching-grant scheme, TASDIR+. TASDIR+ aims to increase exports and promote export diversification toward higher value-added exports and new markets. This study is using a randomized controlled trial to...

The Impact of Mobile-Based Market Information on Informal Cross-Border Trading in Kenya and Uganda

Eleanor Wiseman
Researchers conducted a randomized evaluation to test whether reducing information disparities by giving access to critical market information through a mobile phone platform would improve traders’ profits and decrease incidences of corruption and bribery. Access to the mobile phone platform...

Behavioral Nudges to Improve Child Consumption of Quality Protein Maize in Ethiopia

Tefera Belachew
Demissie Belayneh
Inge D. Brouwer
Katherine Donato
Hugo De Groote
Nilupa Gunaratna
Dan Han
Masresha Tessema
In Ethiopia, researchers conducted a randomized evaluation to assess the impact of behavioral nudges on household behaviors, like grain and flour storage, cooking, and consumption, as well as on childhood nutrition. They found that households improved grain storage and cooking practices, and...