Agricultural yields for farmers in sub-Saharan Africa tend to be lower than the rest of the world, and African farmers tend to use fewer productivity-enhancing agricultural technologies like fertilizer. This may be because of poor access to markets for farmers in remote rural areas, leading to higher delivered prices for inputs, lower net prices for output, and therefore, lower profitability of yield-enhancing technologies.

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Commitment savings accounts—which reward users for reaching savings goals and penalize them for withdrawing early—have the potential to help people reach their savings goals, but concern over having enough cash on hand to cover emergencies may discourage some from using them. Changing the design of commitment savings accounts to pay incentive bonuses up front rather than at the end of a defined period may encourage more people to take advantage of them.

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As road congestion and urban sprawl worsen in ever-expanding African cities, many governments are investing in public transit infrastructure. But transit systems are often expensive and difficult to construct. Bus rapid transit (BRT)—or dedicated lanes for buses that run along existing roads—are a relatively low-cost public transit option, but there is little rigorous evidence on their efficacy in reducing congestion or improving socio-economic outcomes.

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Youth account for 60% of the unemployed in Africa. One approach to increasing employment among youth is to provide training and mentoring for young people to help them find jobs or start new businesses. This study evaluates the impact of a training and mentorship program with a robust long-term support component on Tanzanian youth’s employment, entrepreneurial activities, and self-confidence.

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A fertilizer retailer in Tanzania

Small farm productivity in sub-Saharan Africa lags behind that in Asia and other parts of the world. One reason for this may be low rate of adoption of inputs such as fertilizer. In Tanzania one reason for this may simply be the absence of local retailers, especially in more remote areas. Researchers are testing if their absence may be because of the costs of entering these markets or demand, with interventions targeted to each.

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Student learning levels across East Africa remain extremely low, despite more than a decade of major reforms and significant new investments in public education. To help generate rigorous evidence on what works, researchers are evaluating the impact of an education intervention that sends grants directly to schools and pays teachers a performance-based bonus.

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Researchers examined whether making cash payments conditional on testing negative for sexually transmitted infections (STIs) can improve safe sex practices among 18-30 year olds. Results reveal that giving cash payments of US$20, conditional on testing negative for sexually transmitted diseases, significantly reduced STI infection rates among young adults in Tanzania.

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