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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

Do Online Advertisements Increase Name Recognition or Favorability of Political Candidates in the United States?

David E. Broockman
In order to assess the effects of online advertising, researchers evaluated the impact of a high volume of Facebook advertising on name recognition and favorability of political candidates. E xposure to Facebook ads did not increase recognition of a candidate’s name or increase positive assessments...

Leveraging Local Governments to Support Rice Mechanization in India

Working with local government leaders and agricultural extension agents, the researcher is conducting a randomized evaluation to test the impact of promoting a mechanization technology. Uniquely, the researcher will closely track how employment shifts for women who formerly did the mechanized work.

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...

Welfare Impacts of Micro-Loans in Nigeria

In Nigeria, researchers worked with a financial service provider to evaluate the impact of digital loans on welfare. Being approved for the loans increased subjective well-being after three months, for applicants who normally would have been denied.

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.

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...

Messaging Strategies to Promote Safe Water and Hygiene in Bangladesh

Kaniz Jannat
David Levine
Thomas Polley
Leanne Unicomb
Researchers tested whether sharing messages that appealed to negative emotions, like shame or disgust, increased households’ hand washing behavior and willingness to pay for water chlorination in Dhaka, Bangladesh. Negative messaging had no impact on chlorination levels or willingness to pay, but...

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...