Students around the world are going to school but are not learning-an emerging gap in human capital formation. To understand this gap, this paper introduces a new data set measuring learning in 164 countries and territories. The data cover 98 percent of the world's population from 2000 to 2017....

"Security is increasingly viewed as a key condition for economic growth and development. The authors argue that the work and impact of all development partners would be enhanced if the multiple linkages between public finance, security, and development were explicitly taken into account. At the...

Environmental conditional cash transfers, or "payments for ecosystem services" are a centerpiece of global efforts to protect biodiversity, safeguard watersheds, and mitigate climate change by reducing forest loss. This paper evaluates the impacts of Mexico's national payments for ecosystem...