Researchers partnered with five job centers to test whether health counseling targeted at youth increased insurance coverage and health care use, leading to better health and employment outcomes. Encouraging youth to meet with a social worker and with a physician increased enrollment in the public universal health insurance, but did not significantly affect youth’s understanding of their rights and of the insurance reimbursement procedures. The program almost doubled the number of youth that consulted a psychologist and increased the time spent participating in vocational training programs.

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 who did not receive vouchers. They also chose longer-lasting and more effective methods

In many developing countries, absenteeism, lack of accountability, and corruption among public employees prevent the effective distribution of public services. Researchers examined how performance incentives and increased resources for school principals affected the implementation of a school-based nutrition program targeting anemia in rural China. Large incentives and large block grants individually led to significant reductions in anemia, but when schools received a large block grant, there was no additional effect from adding large incentives.

Low-income populations throughout the world often consume very few calories. At the time of this intervention in 2013, over 800 million people globally consumed fewer calories than were recommended to maintain a healthy weight. However, the impact of low caloric intake on economic productivity is not well researched. Researchers conducted a five-week randomized evaluation to test the impact of increased caloric intake on hours worked, earnings, and physical and cognitive ability for cycle-rickshaw drivers in Chennai, India. Drivers who consumed daily snacks worked and earned more and performed better on cognitive and physical tasks relative to drivers that received an equivalent value of cash. Supplemental survey data suggests that inaccurate beliefs and knowledge about the returns to calories and the caloric content of food may drive lower than recommended calorie consumption.

Researchers conducted a randomized evaluation to test whether organizing short learning sessions for villagers about early adopters’ use of a flood-tolerant rice seed variety, Swarna-Sub1, impacted other farmers’ adoption of it. These “farmer field days” were a cost-effective strategy to improve farmers’ learning about Swarna-Sub1 and increased their take-up of Swarna-Sub1 in the next planting season by 40 percent.