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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.

Culture and Incentives: Does Performance Pay Impact Productivity, Work Quality, or Firm Profitability in Ghana?

In Ghana, researchers evaluated the impact of performance pay on worker productivity. They found that neither individual nor group incentives impacted productivity, work quality, or firm profitability.

Conditional Cash Transfers and HIV/AIDS Prevention in Malawi

Hans-Peter Kohler
Researchers evaluated whether offering individuals financial incentives to maintain their HIV-negative status could be an effective HIV prevention strategy in rural Malawi. The conditional cash transfer had no effect on HIV status or on self-reported sexual behavior. The receipt of the cash...

The Role of the VAT for Tax Enforcement

The Value Added Tax (VAT) system, which generates a paper trail on transactions between firms, facilitated tax enforcement by spreading the impact of enforcement measures up the production chain in a study with over 400,000 firms in Chile.

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...

Evaluating the Impact of Online Education in Russia

Igor Chirikov
René Kizilcec
Natalia Maloshonok
Tatiana Semenova
Researchers conducted a randomized evaluation to test the impact and cost-effectiveness of fully online and blended STEM classes in Russia on student test scores. Students in online and blended courses achieved similar scores to students in traditional in-person courses at a lower cost.

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.