Search our database of 1070 randomized evaluations conducted by our affiliates in 90 countries. To browse summaries of key policy recommendations from a subset of these evaluations, visit the Policy Publications tab.

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Powering Small Retailers: The Adoption of Solar Energy under Different Pricing Schemes in Kenya

Kenya, East Africa's largest economy, is struggling with an ageing energy infrastructure and low connectivity to the power grid. William Jack and affiliate Tavneet Suri (MIT) study the impact of off-grid solar power on small retailers in Nairobi.

Improving the Allocation of Land Use Subsidies Through Self-Selection in Malawi

Elsa Cardona Santos

In Malawi, researchers tested the impact of a subsidized tree planting program and tested whether allocating contracts randomly or through self-selection resulted in better program outcomes. Self-targeting outperformed random allocation of contracts in terms of tree survival and mitigated increases...

Encouraging Carpooling in Malaysia and Singapore

Ruimin He
Zoe Hitzig
Xin Wei Ngiam
Traffic is a significant concern in many rapidly developing and urbanizing countries, as it contributes to increased commute times, pollution, and fuel consumption. One solution to this challenge could be ride-sharing to reduce the number of cars on the road. In Malaysia and Singapore, researchers...

Creating Incentives to Decrease Water Waste in Zambia

Researchers partnered with a water company in Zambia to evaluate whether improved information and incentives can help households manage their water usage. They found that targeting incentives to higher household water consumers might be an effective way to reduce water consumption.

Default Effects and Follow-On Behavior: Evidence From An Electricity Pricing Program

C. Anna Spurlock
Annika Todd
Patrick Baylis
Peter Cappers
Researchers partnered with the Sacramento Municipal Utility District in California to evaluate the effects of a variety of enrollment schemes in time-varying pricing plans on electricity consumption. Results show that households which were enrolled in time-varying pricing plans by default tended to...

Reducing Energy Consumption and Greenhouse Gas Emissions through Energy Efficient Retrofits: Evidence from Low-Income Households

Researchers evaluated the impact of a residential energy efficiency program on energy savings and carbon emissions in the United States. They found that energy savings equaled only about half of the upfront cost of the program, which were far less than projected.

Improving Third-Party Audits and Regulatory Compliance in India

Researchers evaluated the impact of a reform to the pollution audit system in India, making auditors more independent, on the truthfulness of their reporting and the behavior of the firms they audited.

The Demand for and Costs of Rural Electrification in Kenya

Researchers conducted a randomized evaluation to measure the impact of offering subsidies to connect to the power grid on the demand for rural electrification in Kenya. The study finds that demand falls rapidly as connection price increases, and that supply costs are very high.