Search our database of 1095 randomized evaluations conducted by our affiliates in 91 countries. To browse summaries of key policy recommendations from a subset of these evaluations, visit the Policy Publications tab.

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Formal Rainfall Insurance for the Informally Insured in India

Mark Rosenzweig

Researchers evaluated how informal insurance within Indian sub-castes affects the demand for formal rainfall insurance, and subsequent risk-taking among households employed in agriculture. Informal insurance both increased and decreased the demand for formal rainfall insurance, depending on the...

Evaluating an Exporting Scheme in Tunisia

Aminur Rahman
Giacomo di Giorgi
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 Market for Local Agricultural Information in Western Kenya

This study in Western Kenya will test for failures in the market for local agricultural information and measure the impact of disseminating local information on farmers’ decisions to invest in agricultural inputs.

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...

Diffusing New Seeds through Social Networks in Indian Village Economies

The researcher conducted a randomization in rural Odisha in India, by comparing adoption of a new seed variety through farmer-to-farmer networks in one half as benchmarked by door-to-door sales of the same seed. Trading between farmers leads to substantial under-adoption of agricultural technology...

Irrigation Tank Rehabilitation for Improved Agricultural Outcomes and Water Management in India

Xavier Gine
Anup Malani
Manaswini Rao
The Government of Telangana is partnering with researchers to determine the impact of restoring water tanks for irrigation on water management, agricultural output, and farmers’ income.

The Timing and Effectiveness of Subsidies for Agricultural Technology Adoption in Zambia

Paulina Oliva
Christopher Severen
Elizabeth Walker
Samuel Bell
Technology adoption often requires investments over time. As farmers realize new information about the costs and benefits of investments, they may abandon the newly adopted technology shortly after. Researchers partnered with the non-governmental organization Shared Value Africa and Dunavant Cotton...

The Impact of Group-Based Grain Storage Schemes on Farmers’ Savings and Incomes in Kenya

Shilpa Aggarwal
Ellin Francis
Researchers worked with existing savings clubs in Kenya to study the effect of two interventions on savings: the provision of communal crop storage devices and the provision of savings accounts earmarked for farm purchases. Researchers find that the products were popular: about 56% of farmers took...