Search our database of 1133 randomized evaluations conducted by our affiliates in 93 countries. To browse summaries of key policy recommendations from a subset of these evaluations, visit the Policy Publications tab.

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Household Risk Strategies and Conditional Cash Transfers in Nicaragua

Patrick Premand
Renos Vakis
Researchers tested the effect of a basic CCT program, as well as two complementary interventions, on households’ vulnerability to irregular weather patterns. Providing households with vocational training or capital grants to generate non-agricultural income helps improve consumption and resilience...

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.

Information Campaign to Reduce Plastic Bag Consumption in Supermarkets in Mexico

Jeremy Shapiro
Alberto Chong
This evaluation measured the impact of different in-store information campaigns on the consumption of plastic shopping bags and the sale of reusable bags in grocery stores across Mexico. The information campaigns did not significantly reduce plastic bag consumption or increase the sale of the...

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...