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Information Campaigns to Increase Mobile Banking Adoption in Ghana

In Ghana, researchers worked with a bank that provides services to low-income customers with limited access to mainstream banking to evaluate the impact of sending pre-recorded informational voice calls and text messages on the adoption of mobile banking. Clients that received messages encouraging...

The Impact of Contraceptive Subsidies for Individuals in the United States

Jennifer Barber
Lea Bart
Vanessa Dalton
Daniel Eisenberg
Paula Fomby
Vanessa Lang
Alexa Prettyman
In this randomized evaluation, researchers partnered with Planned Parenthood of Michigan to give vouchers for contraception to evaluate the impact of contraceptive costs on method choice. Those who received the vouchers were more likely to buy contraceptives and buy more expensive methods than those...

Messaging Strategies to Promote Safe Water and Hygiene in Bangladesh

Kaniz Jannat
David Levine
Thomas Polley
Leanne Unicomb
Researchers tested whether sharing messages that appealed to negative emotions, like shame or disgust, increased households’ hand washing behavior and willingness to pay for water chlorination in Dhaka, Bangladesh. Negative messaging had no impact on chlorination levels or willingness to pay, but...

Increasing Savings and Reducing Credit Card Reliance among Low-Income U.S. Households

Researchers conducted a randomized evaluation to investigate the demand for commitment savings products or financial counseling, and the impacts these products and services have on savings, among a sample of low- and moderate-income credit union members in New York City.

Video-Mediated Agricultural Extension to Increase Technology Adoption Among Farmers in Ethiopia

Gashaw Abate
Simrin Makhija
David J. Spielman
Researchers conducted a randomized evaluation to test the impact of a video-mediated extension approach on the uptake of technologies recommended by the Ethiopian Ministry of Agriculture. The video-mediated instruction increased uptake through improved access to extension and farmer knowledge but...

Mobile Phone-Based Extension Services and Agricultural Advice for Cotton Farmers in Gujarat, India

Researchers introduced a mobile phone-based agricultural extension service to evaluate its impact on knowledge and adoption of effective farming methods among cotton farmers in Gujarat, India. They found that the service was highly effective in nudging farmers to adopt a number of recommended...