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The Impact of UNICEF's Communication for Development (C4D) Program in Ghana

In Ghana, researchers are evaluating the impact of a health communications program, which includes in-person, radio, and mobile phone interventions, on five key health behaviors.

Can Higher Prices Stimulate Product Use? Evidence from a Randomized Experiment in Zambia

Researchers in Zambia found that the use of chlorine decreased with higher prices, but this decline was partially offset by better targeting of the product to families who were more likely to use it. Additionally, there was no evidence that higher offer prices screened out poorer or less educated...

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...

Irrigation Tank Rehabilitation for Improved Agricultural Outcomes and Water Management in India

Xavier Giné
Anup Malani
The Government of Telangana is partnering with researchers to determine the impact of restoring water tanks for irrigation on water management, agricultural output, and farmers’ income.

Addressing Menstrual Stigma and Hygiene to Improve Education and Psychosocial Well-Being among Adolescent Girls in Madagascar

Julieta Vera
Duncan Webb
Researchers evaluated the impact of a program addressing constraints related to hygiene infrastructure and access to sanitary products while addressing social stigma around menstruation, on girls’ learning and psychosocial well-being in Madagascar. The program led to improvements in academic...

Demand for Sanitation in Kenyan Urban Slums

Sebastian Galiani
In slums near Nairobi, Kenya, researchers are testing how subsidizing the cost of connecting to the sewer system and providing information about the health benefits of improved sanitation affects the number of landlords who connect to the sewer system.

Bolstering Coverage of Improved Sanitation in Bangladesh

Researchers evaluated the impact of different approaches designed to increase latrine coverage on actual latrine coverage, investment in hygienic latrines, and the prevalence of open defecation.

The Impact of Sanitation and Hand-Washing Promotion Campaigns on Child Health in Tanzania

Bertha Briceno
Aidan Coville
Sebastian Martinez
Researchers conducted a randomized evaluation to measure the impact of sanitation and hand-washing promotion campaigns, alone and in combination, on household knowledge, behavior, and child health (diarrhea prevalence, stunting, wasting, and anemia). While the program improved hygiene and sanitation...