Blog

News

Browse news articles about J-PAL and our affiliated professors, and read our press releases and monthly global and research newsletters. For media inquiries, please email us.

Reducing Imbalanced Fertilizer Use Through Rule-Of-Thumb Instructions in Bangladesh

Mahnaz Islam
Fertilizer use has been promoted to boost agricultural productivity and increase farmers’ yields and income. Researchers conducted a randomized evaluation among rice farmers in Bangladesh to evaluate the impact of providing leaf color charts and basic training on the quantity and timing of...

The Effect of Information on Employee Evaluation in the United States

Researchers evaluated the effect of distributing “value-added” teacher evaluations to principals in New York City. Their findings suggest that principals found the reports useful and used them to inform their overall perceptions of teacher effectiveness.

Information Disclosure, Incentives, and Energy Costs in the United States

Richard Sweeney
Researchers worked with a large nationwide retailer in the United States to test whether sharing information, and providing subsidies and sales incentives had an effect on the demand for energy efficient water heaters. Results showed that information alone did not increase demand, and a $100 rebate...

The Effects of Crowdsourced Information Sharing on Farmers and Agricultural Markets in Pakistan

Researchers evaluated a program in Pakistan that provided farmers with information on veterinarians’ AI success rates and average prices. This led to more successful inseminations at lower prices.

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...

Delivering Clean Water to Households in India

Fiona Burlig
Amir Jina
More than two billion people around the world lack access to clean drinking water, and current approaches to increasing access have fallen short. Researchers conducted a randomized evaluation to test the impact of delivering clean water directly to households on the valuation of clean water, and...