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Mobile phones have been one of the most rapidly adopted technologies ever introduced in the developing world. With multiple uses such as voice, SMS, and access to the internet, mobile phones produce diverse economic and social benefits. CGD research has explored the development applications, as well as how mobile phones can be used to reliably gather data on citizens’ preferences and their ability to access basic services.
This paper presents short-term results from an experiment randomizing the promotion and registration of a mobile savings account among women microentrepreneurs in Tanzania, with and without business training. Six months post-intervention, the results show that women save substantially more through the mobile account, and that the business training bolstered this effect.
In the push for electricity access in the developing world, many policymakers are trying to figure out where on-grid or off-grid solutions make the most sense. My new paper asks 39,000 consumers in 12 African countries about their energy use and demand. The big takeaway: African consumers don’t view grid versus off-grid as a binary question.
We conducted phone-based surveys on energy access and demand in twelve African countries. From these findings, we draw several potential policy implications. First, both grid electricity and off-grid solutions currently are inadequate to meet many African consumers’ modern energy demands. Second, grid and off-grid electricity are viewed by consumers as complementary, rather than competing, solutions to meet energy demand. Third, a market exists for off-grid solutions even among connected, urban Africans.
Transactional sex (sex for money) is a common risk-coping behavior in sub-Saharan Africa and is believed to be a leading driver of the HIV/AIDS epidemic. In her upcoming paper, Kelly Jones and her coauthors examine whether access to precautionary savings can mitigate the use of transactional sex as a response to negative shocks. In a field experiment in Kenya, half of the over 600 vulnerable women participants were randomly assigned a savings intervention that consists of opening a mobile banking savings account labeled for emergency expenses and individual goals. They find that the intervention led to an increase in total mobile savings, reductions in transactional sex as a risk-coping response to shocks, and a decrease in symptoms of sexually transmitted infections.
Demonetization is yesterday’s news. The India of today is going full steam ahead towards a digital economy powered by financial inclusion, the mobile revolution, and Aadhaar—the biometric ID system that now covers 90 percent of its 1.3 billion population. And the social compact of the future will restructure subsidies and provide a basic income for the poor.