Why do larger countries have more armed conflict? This paper surveys three sets of hypotheses forwarded in the conflict literature regarding the relationship between the size and location of population groups: Hypotheses based on pure population mass, on distances, on population concentrations,...

School enrollment has universally increased over the past 25 years in low-income countries. However, enrolling in school does not guarantee that children learn. A large share of children in low-income countries learn little, and they complete their primary education lacking even basic reading,...

This paper examines systematically the growth effects of trade integration in Sub-Saharan Africa. It complements and improves upon the empirical literature in two aspects: first, it jointly estimates the impact of different dimensions of trade integration, namely, trade volumes, export/trade...

The climate change challenge and the growth of the Islamic finance industry, together with the increase in socially responsible investing, could position green sukuk as a key instrument for financing clean energy and resilient infrastructure projects as well as shorter-term energy efficiency...

This paper investigates the costs and benefits of concluding double tax treaties with investment hubs. Based on a sample of 41 African economies from 1985-2015, the results suggest that signing treaties with investment hubs is not associated with additional investments; yet, these treaties tend...

To document the relative accuracy of methods for microdata collection on root and tuber crop production, an experiment was implemented in Malawi over a 12-month period, randomly assigning cassava-producing households to one of four approaches: daily diary-keeping, with semi-weekly supervision...

Women's ownership, use, and control over property matter for their well-being and agency and can influence outcomes for the second generation -- women's daughters and sons. Additionally, gender gaps in property ownership induce allocative inefficiencies and foregone economic output, thus having...

This paper discusses recent trends and investigates the drivers of capital flows across regions in the world, with emphasis on Sub-Saharan Africa. The post-global financial crisis behavior of capital flows into Sub-Saharan Africa is unique and differs from that of global capital flows. The...

This paper explores the investments needed to achieve universal access to electricity in Sub-Saharan Africa by 2030, and the additional operation and maintenance costs these investments entail. It also explores the drivers of these costs, by exploring hundreds of scenarios that combine...

Analysis of household expenditure surveys since 2008 in 22 Sub-Saharan African countries shows that one-third of all people use electricity. As expected, users are disproportionately urban and rich. In communities with access to electricity, lack of affordability is the greatest barrier to...