Search our database of 1179 randomized evaluations conducted by our affiliates in 95 countries. To browse summaries of key policy recommendations from a subset of these evaluations, visit the Policy Publications tab.

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Achieving Universal Coverage with an Unenforceable Mandate: Evidence from the Government of Indonesia's JKN Mandiri Program (Health Insurance)

Sudarno Sumarto
Arianna Ornaghi
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...

Inducing Complete Coverage for Immunizations by Channelling Social Media

Vivi Alatas
Markus Mobius
Cindy Paladines
Researchers conducted a randomized evaluation on measuring the impact of celebrity Twitter endorsement for a child immunization campaign on the public’s opinion and behavior towards immunization. Celebrity endorsement increased Twitter engagement with the immunization campaign, primarily when...

School-Based Smoking Prevention Program

Margaret Triyana
Justin S. White
Researchers conducted a randomized evaluation to measure the impact of a school-based program that used a non-monetary penalty and regular monitoring to prevent adolescent tobacco use. The program reduced the probability that adolescents smoked, with effects sustained three months after the program...

Impact Evaluation of a Large-Scale Rural Sanitation Project in Indonesia

Susan Olivia
Researchers conducted a randomized evaluation to study the impact of a large-scale Community-Led Total Sanitation (CLTS) program in Indonesia on sanitation practices, attitudes towards open defecation, and child health. When implemented by external resource agencies instead of local governments...

Cumulative Impacts of Conditional Cash Transfer Programs: Experimental Evidence from Indonesia

Nur Cahyadi
Rizal Adi Prima
Elan Satriawan
Ekki Syamsulhakim
Researchers examined the medium-term impacts of a large-scale CCT program on health, education, and economic outcomes in Indonesia. Six years following the introduction of cash transfers, the program resulted in reductions in stunting, increased rates of childbirth in the presence of trained birth...

Credit with Health Insurance: Evidence from the Philippines

Xavier Giné
Researchers are examining the impact of offering health insurance through a microfinance institution on clients’ health behaviors and health outcomes, as well as on the institution’s profit, client retention, and default rates.

Contracting for Health in Cambodia

Indu Bhushan
Erik Bloom
David Clingingsmith
Rathavuth Hong
Elizabeth King
Benjamin Loevinsohn
Brad Schwartz