Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 98 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

Displaying 1-8 of 1287

The Lightbulb Paradox: Consumer Behavior and Public Policy in the U.S. Electricity Market

Energy-efficient technologies, such as compact fluorescent lightbulbs (CFLs), have the potential to save consumers money, but their adoption remains low. Researchers evaluated the impact of information and price on demand for CFLs in two contexts: an online survey platform and a typical retail...

Real-Time Pricing to Reduce Electricity Use in the United States

During periods of high electricity use that strain the grid, electricity customers do not have any reason to conserve because they pay a fixed price per kilowatt hour of power. In this study, the researcher evaluated the impact on electricity usage of a real-time pricing scheme, which charges...

Distributing Pollution Rights in Cap-and-Trade Programs in the United States

Jeffrey Perloff
Researchers evaluated a cap-and-trade program in the United States to determine if the initial allocation of permits among firms affected how much firms decided to pollute. Evidence was consistent with, but not proof of, the economic theory that firms make decisions to reduce emissions based on...

Deferring Wages and Labor Supply in Malawi

Lasse Brune
Researchers partnered with a tea company in Malawi to study the effects of a savings product that allowed workers to defer payment of a part of their wages. The deferred wages program was generally popular and increased savings; in the longer run, it helped workers improve their houses.

Incentives to Reduce Unsafe Sex in Rural Tanzania

Ramadhani Abdul
Faraji Abilahi
William Dow
Erick Gong
Zachary Isdahl
Boniphace Jullu
Suneeta Krishnan
Albert Majura
Carol A. Medlin
Jeanne Moncada
Sally Mtenga
Mathew Alexander Mwanyangala
Rose Nathan
Laura Packel
Julius Schachter
Kizito Shirima
Damien de Walque
In Tanzania, researchers examined whether making cash payments conditional on testing negative for sexually transmitted infections (STIs) can improve safe sex practices among young adults. They found that offering cash incentives of US$20 significantly reduced STI rates after one year, although...

Enrolling Informal Sector Workers in National Health Insurance in Indonesia

Arianna Ornaghi
Sudarno Sumarto
A key challenge to achieving universal health coverage is that non-poor informal workers are difficult to enroll and retain in government health insurance programs. Researchers conducted a randomized evaluation to test the impact of various programs, including subsidies, registration assistance and...

The Impact of Offering Awards on Health Worker Learning in Zambia

Researchers in Zambia introduced different kinds of awards and information on performance rankings into a year-long training for community health workers to evaluate their impact on how much trainees learned. They found that awards focused on offering recognition and improving trainees’ status and...

Motivating Bureaucrats through Performance Recognition in Nigeria

Varun Gauri
Nina Mazar
Researchers introduced a performance recognition system for employees to improve record keeping in clinics in Ekiti and Niger, Nigeria. They found that the performance recognition improved record keeping in Ekiti but not in Niger. Researchers suggested that important institutional, managerial and...