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Prepaid Electricity Meters to Decrease Electricity Use and Recover Utility Revenue in South Africa

Grant Smith
Researchers conducted a randomized evaluation in Cape Town, South Africa to measure the effect of prepaid meters on households’ electricity use and utility revenue. They found that prepaid meters led households to reduce their electricity consumption, but helped the utility company recover more...

Text Messages as Reminders for Antiretroviral Medication Adherence in Kenya

David R. Bangsberg
Markus Goldstein
Jessica Haberer
Sylvester Kimaiyo
Leslie MacKeen
Duncan Ngare
John Sidle
Damien de Walque
Researchers introduced text message reminders to evaluate their effect on Kenyan patients taking their antiretrovirals consistently and not skipping doses. Patients who received weekly text messages were more likely to take their medicine 90 percent of the time and were less likely to skip doses for...

Nudging Good Politicians in the Philippines

Researchers conducted a randomized evaluation to test the impact of an all-expense-paid three-day leadership training workshop on incentivizing honest and competent youth to run for a village youth council.

Student Incentive Structures in Malawi

Hyuncheol Kim
Hyuk Harry Son
Researchers conducted a randomized evaluation to test the impact of two different performance-based incentives on students’ test scores, motivation, and behavior in Malawi. They find that tournament-style incentives that rewarded the top performers among a large group lowered test scores and student...

Comparing Cash and Voucher Transfers in a Humanitarian Context: Evidence from the Democratic Republic of Congo

Researchers tested the relative effectiveness and cost-effectiveness of an unconditional cash transfer and a voucher program on household consumption and well-being in a camp for internally displaced persons in the Democratic Republic of Congo. Both programs increased food security and asset...

Sending Reminders to Improve Tax Filing Decisions Among Low-Income Individuals in the United States

John Guyton
Patrick Langetieg
Mark Payne
Brenda Schafer
Michael Sebastiani
This study examines how reminders to file taxes affect tax filing decisions among low-income individuals who did not appear on a filed tax return. The results of two randomized evaluations demonstrate that one-time reminders increase tax filing—both to claim tax refunds as well as to voluntarily pay...