In Bangladesh, researchers evaluated the impact of different selling schemes on demand for water testing, and the impact of test results on switching to a safer well. Although group test sales and well safety placards increased substantially the likelihood that households switched to a possibly safer well, demand for testing was very low.

Researchers used a randomized evaluation to measure the impact of introducing credit scores on lending to small enterprises in Colombia. The adoption of credit scores increased productivity in the loan approval process and improved credit allocation.

Researchers conducted a randomized evaluation in Mali to study the role of giving information to different people within a network in the spread of that information. People who were social and more closely connected to those who were trained had more information. Female farmers were less likely to receive information, indicating that disseminating information through social networks may reinforce existing gender inequalities.

Researchers partnered with a Protestant church district in metropolitan Bavaria, Germany, to conduct a field experiment to reveal taxpayers’ motivations to comply with a local church tax. Researchers found that simplifying the tax notification, highlighting the possibility of tax enforcement, and offering rewards and recognition for timely payment affected taxpayers’ compliance behavior.

In Uganda, researchers studied the demand for rainwater storage devices, the effectiveness of various marketing strategies in promoting them, and their impact on indicators such as school attendance and women’s participation in the labor market.

Researchers evaluated the impact of Chile’s national Skills For Life (SFL) program for disruptive students on their behavior and academic outcomes. Researchers found that the SFL program did not impact eligible students’ learning outcomes.

In Senegal, researchers conducted a randomized evaluation to study the effect of providing management advice and a one-time cash transfer on agricultural productivity and farmers’ investment in their businesses. Receiving both the cash transfer and management advice had positive impacts on yields and livestock as well as farmers’ investment in agricultural equipment, while receiving management advice only did not impact agricultural investments.

To study the employment limitation of microenterprises, researchers offered microentrepreneurs capital to incentivize them to hire workers. Results showed that a wage subsidy did not lead to lasting increases in employment sales or profits.

Researchers conducted a randomized evaluation to test the impact of a deposit collection service on the amount of savings and the source of those savings. In a follow-up evaluation, researchers introduced design tweaks to test the impact of reducing collection costs on individuals’ savings behavior. Both versions of the intervention led to increased savings.

In Cameroon, researchers evaluated the impact of various HIV prevention interventions delivered through schools on girls and young women’s exposure to risk. The interventions decreased the incidence of pregnancy (a marker for unprotected sex) in the following nine to twelve months by over 25 percent. The results did not differ substantially across the various interventions, suggesting sexual behavior of adolescent girls in Cameroon is highly responsive to risk information and salience.

Researchers in Uganda assessed the impact of VSLAs on access to financial services, income, food security, and education.

Researchers examined the effects of subsidized school meals on school participation, educational achievement, and school finance in Western Kenya. The results suggest that the meals program led to improved school participation, as well as higher curriculum test scores, but only in schools where the teacher was relatively experienced prior to the program. The school meals also displaced teaching time and led to larger class sizes.

Researchers in Bogotá, Colombia, evaluated whether changing the timing and type of CCTs could lead to greater impact on educational attainment. All CCT variations had similarly positive impacts on school attendance, but transfers conditional on continued education had a greater impact on secondary and tertiary school enrollment, particularly for the most at-risk children.

Researchers, in partnership with the Indian NGO Pratham, evaluated the effect of peer networks on the enrollment and attendance of out-of-school children in informal classes intended to transition them into formal schooling. They found that an out-of-school child was more likely to attend the informal class when a friend or sibling also attended.