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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.

The Impact of an Inventory Credit Program on Palm Oil Farmers in Sierra Leone

Researchers tested the effect of an inventory credit program that provided storage facilities and loans on palm oil farmers’ agricultural activities in Sierra Leone. Take-up and use of the storage and loans was low, and there was no impact on total storage or timing of sales.

The Impact of Agro-dealer Training on Input Adoption and Productivity Among Smallholder Farmers in Niger

In Niger, researchers evaluated the impact of a training program for input distributors (agro-dealers) on smallholder access to and use of agricultural inputs. Researchers found that trainings for agro-dealers combined with a demonstration plot increased the share of farmers adopting improved seeds...

The Spillover Effects of a Nationwide Medicare Bundled Payment Reform

Researchers evaluated the spillover effects of a nationwide Medicare bundled payment reform on privately insured Medicare Advantage (MA) patients who were not targeted by the reform. They found that the bundled payment reform’s spillover effect on non-targeted MA patients was similar to the bundled...

The Impact of Bid Training on Small Firm Growth in Liberia

Fei Ao
Vinayak Iyer
Golvine de Rochambeau
Researchers evaluated the impact of a bid training program on the business performance of local small and medium-sized firms. The bid training led firms to bid on and win more contracts, with the positive impacts concentrated on a quarter of firms.

Accelerating Changes in Norms about Social Distancing to Combat COVID-19

James Riddell IV
Tanya Rosenblat
Researchers are conducting a randomized evaluations to test the impact of different types of public health messaging on the practice of social distancing.

The Impact of Loans on the Survival and Performance of Small and Medium Enterprises (SMEs) in Colombia

In Colombia, researchers are evaluating the economic impact of providing stimulus loans to SMEs, distributed via the government’s COVID-19 relief program (“Unidos por Colombia”), on SME survival, profits, and employment.

The Impact of a School-Based Smoking Prevention Program in Indonesia

Justin White
Researchers conducted a randomized evaluation to measure the impact of a school-based program that used a non-monetary penalty and regular monitoring to prevent adolescent tobacco use. The program reduced the probability that adolescents smoked, with effects sustained three months after the program...

Information and Price Variations to Reduce Residential Energy Use in the United States

Researchers evaluated the effects of introducing price increases during peak periods and also real-time information about electricity usage to residential customers in the United States. Households that received feedback about usage reduced consumption and individuals were more responsive to pricing...