This paper provides a brief review of the economic rationale for investing in early childhood. It discusses the optimal timing of intervention, with reference to recent work in developmental neuroscience, and asks how early is early? It motivates the need for early intervention by providing an...

This paper provides a brief review of the economic rationale for investing in early childhood. It discusses the optimal timing of intervention, with reference to recent work in developmental neuroscience, and asks how early is early? It motivates the need for early intervention by providing an...

Some people are more likely to be convicted of a crime than others. In this paper we explain why group characteristics, such as race or age, might influence individual probabilities of conviction. Our model is motivated by the simple observation that it is prohibitively costly to investigate...