This critical volume combines theoretical and empirical work across disciplines to explore what threatens scalability—and what enables it—in the early child

NATIONAL BESTSELLER • A leading economist answers one of today’s trickiest questions: Why do some great ideas make it big while others fail to take off? “

"An evidence-based approach to crime and justice policy can go a long way toward ensuring that the best available research is considered in decisions that bear

This report provides an overview of policy strategies on early childhood education settings (from birth to primary schooling) in eight countries. Data were coll