Blog

News

Parcourez les articles de presse, médias en ligne, blogs, podcasts et vidéos sur notre travail et la recherche de nos affiliés, ainsi que nos communiqués et lettres d'information, par année. Nous invitons les médias à nous contacter par courriel

Self-Prophecy Effects and Voter Turnout in the United States

Anton Orlich
Jennifer K. Smith
Researchers contacted registered voters in a New England town by telephone and asked a portion of these voters to predict whether or not they would vote. This allowed researchers to use a randomized evaluation to measure the impact of making a prediction about future voting behavior on actual voting...

Graduating the Ultra-Poor in Ethiopia

Nathanael Goldberg
Researchers present results from six randomized control trials of an integrated approach to improve livelihoods among the very poor. The impact on the poor households lasted at least a year after all implementation ended.

Providing Primary Education for Foundational Literacy and Numeracy in Guinea Bissau

Peter Boone
Ila Fazzio
Jenny Hsieh
Robin Lumsdaine
Researchers evaluated the impact of creating schools offering four years of primary education, in lieu of the government, on early grade reading and math skills in rural Guinea Bissau. The intervention led to substantial improvements in literacy and numeracy.

The Role of Extrinsic and Intrinsic Motivations for Tax Compliance in Germany

Researchers partnered with a Protestant church district in metropolitan Bavaria, Germany, to conduct a field experiment to reveal taxpayers’ motivations to comply with a local church tax. Researchers found that simplifying the tax notification, highlighting the possibility of tax enforcement, and...

The Impact of a Credit-Building Loan Product and Credit Counseling on Low-Income Borrowers in the United States

Jeremy Burke
Kata Mihaly
Credit-building loan products (CBLs) have begun to proliferate in the U.S. marketplace, but there is little evidence on the effects of these products on consumers and lenders. IPA and RAND worked with researchers to evaluate the impacts of a CBL offered at a credit union in Missouri, both alone and...

The Effect of Free Contraception on Fertility in Burkina Faso

Adriana Lleras-Muney
Pauline Rossi
Researchers conducted a randomized evaluation among households in rural Burkina Faso to examine whether countries in sub-Saharan Africa are experiencing a slower shift in fertility levels due to lack of access to contraception or households wanting large families. Providing married women with access...

The Effect of Social Pressure on Individuals' Financial Decisions in Central Malawi

Researchers evaluated the effect of social pressure to share income on farmers’ spending decisions by varying whether income from large cash prizes was received in a public or private setting. Receiving prize money in a public setting induced individuals to spend one-third more of their money in the...

The Impact of Cash Transfers and Psychotherapy on Well-being in Kenya

Robert Mudida
Jeremy Shapiro
Researchers conducted a randomized evaluation to test the impact of unconditional cash transfers, a psychotherapy program, and their combination on psychological and economic well-being in rural Kenya.