Failure at school: an old problem in a new context? In most OECD countries, there is some reluctance to acknowledge the problem of failure at school. And when the problem is acknowledged, it is not always easy to find effective means for combating it or, even, to agree on indicators of failure...

In the last decade, the most popular policy tool used to increase human capital in developing countries has been the conditional cash transfer program. A large literature has shown significant mean impacts on schooling, health, and child labor. This paper examines heterogeneous effects using...