The private school sector has expanded with almost no public intervention to educate half of primary school children in many urban centers in Africa and Asia. Simple comparisons of test scores would suggest that these private schools may provide better quality than public schools, but how much...

Many educational interventions boost outcomes for girls in settings where girls face educational disadvantages, but which of those interventions are proven to function effectively at large scale In contrast to earlier reviews, this review focuses on large-scale programs and policies-those that...

Only one in seven of the world's population have ever migrated, despite the enormous gains in income possible through international and internal movement. The author examines the evidence for different explanations given in the economics literature for this lack of movement and their...

R&D incentives are a popular policy option to encourage private R&D worldwide. This paper provides an updated survey of R&D incentives’ effect on private R&D investment, including evaluations from developing countries. It assesses the pattern of R&D incentives, and reviews recent literature on...