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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

The Impact of Farmer Managed Natural Regeneration and Formalized Land Rights on Reforestation and Crop Yields in Niger

Jules Bayala
Ariel BenYishay
Ibrahim Ouattara
Jessica Wells
Leigh Anne Winowiecki
Researchers are evaluating the impact of Farmer Managed Natural Regeneration and formalized land rights on reforestation and crop yields.

The Effect of Increased Autonomy vs. Performance Pay on Procurement Officers’ Performance in Pakistan

Researchers partnered with several agencies of the Government of Punjab, Pakistan, to evaluate the impact of giving procurement officers more autonomy, compared to financial rewards, on public procurement performance. Shifting authority away from supervisors and towards procurement officers improved...

Dependence Duration and Labor Market Conditions: Evidence from the United States

Researchers conducted a randomized evaluation to assess the role of employer behavior in generating "negative duration dependence"—the adverse effect of longer unemployment spells—by sending fictitious resumes to real job postings in 100 U.S. cities. Callback rates declined sharply over the first...

Evaluating the Impact of Play-Based Learning on Early Childhood Development in South Africa

In KwaZulu-Natal, researchers are measuring the impact of the Six Bricks program, which promotes structured play using manipulative bricks combined with a set of carefully designed pedagogical activities, on preschoolers' executive function skills.

Citizen Demand for Corruption: Evidence from Roadway Tolls in the D.R. Congo

Otis Reid
Researchers conducted a randomized evaluation of incentives for motorcycle taxi drivers to pay the legal road tolls in the Democratic Republic of the Congo. Results suggest that financial incentives reduced bribery by seven to ten percentage points.

Adoption of Commitment Savings Accounts Among Garment Workers in Bangladesh

Martin Kanz
Leora Klapper
Researchers are evaluating the demand for a commitment savings product among garment workers and evaluating whether employer influence and expected feedback to employers impacts sign-up decisions.

Information to Increase Fuel Efficient Car Purchases in the United States

Researchers studied the impact of providing information about fuel costs on consumers’ car purchases. Providing information about fuel costs had no effect on the fuel efficiency of the vehicles consumers chose to buy.