What do we know about the outcomes of education in developing countries? Where are the gaps in our knowledge, and why are they important to fill? What are the policy challenges that underlie these knowledge gaps, and how can education best contribute to eliminating the problem of widespread...

It is commonly believed that labour-market returns to education are highest for the primary level of education and lower for subsequent levels. Recent evidence reviewed in this article suggests that the pattern is changing. The causes of such changes, and their implications for both education...