Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 96 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

Displaying 1-8 of 210

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.

The Impact of Contraceptive Subsidies for Individuals in the United States

In this randomized evaluation, researchers partnered with Planned Parenthood of Michigan to give vouchers for contraception to evaluate the impact of contraceptive costs on method choice. Those who received the vouchers were more likely to buy contraceptives and buy more expensive methods than those...

Creating a Toilet Habit in Kenya

Berhe Beyene
Johann Caro Burnett
Judy Chevalier

Household Water Connections in Tangier, Morocco

Researchers conducted a randomized evaluation to look at the effect of private connections in a setting where most households already had access to high-quality water through public taps. They found that households had a high willingness to pay for piped water, and while home water connection had no...

Belief Systems and Poverty Alleviation in the Philippines

In the Philippines, researchers conducted a randomized evaluation to measure the impact of an evangelical Protestant religious values and theology education program on individuals' economic and subjective wellbeing.

Recruiting and Motivating Community Health Workers in Zambia

The Government of Zambia partnered with researchers to test the effect of two different recruitment strategies for a newly created healthcare position, the Community Health Assistant (CHA). One strategy emphasized career opportunities and the other emphasized the contributions one could make in the...

Improving Immunization Coverage Through Incentives, Reminders, and Social Networks in India

Victor Chernozhukov
Suresh Dalpath
Mert Demirer
Iván Fernández-Val
Matthew Jackson
Francine Loza
Anna Schrimpf
Maheshwor Shrestha
Researchers worked with the state government to evaluate the impact of three programs to build demand for vaccination: local immunization ambassadors, small, non-financial incentives, and tailored SMS reminders. The most effective policy option increased measles vaccination by approximately 55...

Randomized Evaluation of the Nurse Family Partnership in South Carolina

Researchers are evaluating the impact of an intensive nurse home visiting program for low-income mothers on pregnancy and birth outcomes, child health and development, and future life-courses for the family. The program had no effect on adverse birth outcomes or prenatal outcomes such as health care...