Researchers used a randomized evaluation to measure the impact of providing mobile calling credits to low-income adults on well-being outcomes in Ghana. Overall, the mobile credit intervention increased the ability for individuals to meet unexpected communication needs, particularly when delivered in installments, leading to meaningful improvements in mental health and modest decreases to domestic violence.

Researchers randomly provided more or less cash to garment-making firm owners in Ghana before a bargaining game to evaluate the impact of endowment on the negotiated sale price of a good. Owners of garment-making microenterprises with lower household liquidity agreed to lower sale prices during the bargaining process, suggesting that the prior wealth of microentrepreneurs who participate in bargaining may impact how much they are able to earn.

The researcher evaluated the impact of a sexual harassment training on the incidence of sexual harassment, opposite sex relationships, and attitudes and beliefs towards sexual harassment in India. Overall, the trainings reduced sexual harassment perpetrated by men, particularly extreme forms in the short run and mostly intermediate forms of harassment in the long run. However, these trainings also reduced opposite sex romantic relationships between classmates both in short and long run.

The researcher evaluated whether randomly offering parent-teacher meetings led to improvements on student learning, parental engagement, and teacher efforts in primary schools in rural Bangladesh. Overall, the program led to improved test scores, increased parental engagement in children’s learning, and improved teachers’ pedagogical practices.

In Ghana, researchers evaluated the impact of providing vendors and consumers with information on official mobile money charges and options for recourse for consumers to report being overcharged. The program led to a decrease in misconduct, which in turn facilitated an increase in market activity, firm sales revenue, and consumer welfare.