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 217-224 of 1266

Willingness and Ability to Pay for the Kosim Clean Water Filter in Ghana

Researchers in Ghana are attempting to measure households' demand for simple ceramic water filters by offering the filter at different price levels through door-to-door sales. They will also explore whether different household characteristics, such as education, income, and health, affect a...

When do Media Stations Support Political Accountability? A Field Experiment in Mexico

Christopher Lucas
John Marshall
Researchers are using a randomized evaluation in Mexico to study the incentives media stations face when choosing to provide voters with indicators of their incumbent party’s performance in office.

Financial Incentives and an Adolescent Empowerment Program to Reduce Child Marriage in Rural Bangladesh

Nina Buchmann
Shahana Nazneen
Xiao Yu Wang
Child marriage remains prevalent in many countries despite laws prohibiting the practice, leading to negative health and education outcomes for young women and their children. Researchers evaluated the impacts of an incentive program and an adolescent empowerment program on child marriage, teenage...

Motivating Citizens to Seek Political Office in Pakistan

Saad Gulzar
Researchers examined the impact of different types of motivation on the number and quality of candidates running for village councils in Pakistan, electoral outcomes, and elected candidates’ policy alignment with citizens’ interests. They found that portraying politics as socially beneficial–rather...

The Impact of Unconditional Cash Transfers on Health Outcomes in the United States

David E. Broockman
Patrick Krause
Elizabeth Rhodes
Researchers evaluated the impact of a US$1,000 monthly unconditional cash transfer to individuals with low incomes for three years on health outcomes including nutrition, sleep, health care access and use, and physical and mental health. Those who received the large cash transfer spent more on...

Does Development Aid Undermine Political Accountability in Bangladesh?

In Tanore district of Bangladesh, researchers tested the impact of providing external subsidies for sanitation projects on the behavior of local leaders and, subsequently, on constituents’ perception of their performance. They found that while constituents credited leaders for the sanitation program...

Sensitivity to Interest Rates and Account Ownership Requirements for a Commitment Savings Account in the Philippines

Researchers worked with First Valley Bank in the Philippines to evaluate the impact of varying the interest rate and account ownership requirements on demand for commitment savings accounts. While savings account take-up was 23 percent, neither the interest rates nor the ownership requirements...

Donor Response to Aid Effectiveness in a Direct Mail Fundraising Experiment in the United States

Daniel H. Wood
Researchers examined whether individuals gave more after receiving information about a charity’s impact. They found that providing potential donors with rigorous evidence about a charity’s effectiveness increased the likelihood of giving to a major U.S. charity for large prior donors, but decreased...