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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.

Mobile Phone Data Compared to Household Surveys to Evaluate the Impact of Cash Transfers in Togo

Emily Aiken
Suzanne Bellue
In Togo, researchers conducted a randomized evaluation to test the effect of cash grants on people's welfare and if using mobile phone data in impact evaluations yielded the same results as survey data. They found that the cash grant program increased food security, mental health, and self-perceived...

Introducing Financial Services to Native Amazonians in Bolivia

Centering on one native Amazonian society (Tsimane’) and partnering with a Bolivian non- profit, researchers evaluated the impact of providing Tsimane’ households with lockboxes on their savings activity, consumption, and well-being. Providing lockboxes increased household financial assets but had...

Credit, Change, and Lost Sales: A Field Experiment Among Firms in Kenya

Researchers in Kenya issued a questionnaire to firms which may have made lost sales and profits due to poor change management became more salient. A second intervention more explicitly emphasized the costs of having insufficient change. Highlighting the importance of carrying correct change helped...

The Role of Mobile Banking in Expanding Trade Credit and Business Development in Kenya

Trade credit, which is usually provided by up-stream suppliers to down-stream firms, can help small businesses to purchase non-perishable goods for resale and free up resources for other uses. However, provision of trade credit may be limited by high transaction costs, up-stream liquidity...

Radio Advertisements to Increase Electoral Competition in the United States

Costas Panagopoulos
Researchers examined the effect of radio advertisements on electoral competition through a randomized evaluation and found that radio advertisements that stated the names of both incumbents and challengers, reminded listeners about the date of the upcoming election, and encouraged them to vote...

Incentives, Selection and Productivity in Labor Markets in Malawi

Researchers evaluated the effect of randomly offering varied wages to bean-sorting workers in rural Malawi. While offering higher wages caused workers to increase their productivity, it did not attract more productive workers.