This paper distills and extends recent research on the economics of human development and social mobility. It summarizes the evidence from diverse literatures on the importance of early life conditions in shaping multiple life skills and the evidence on critical and sensitive investment periods...

Part 1. Political Economy and Constitutional Order -- 1. The Domain of Constitutional Political Economy -- 2. On the Structure of an Economy: A Reemphasis of some Classical Foundations -- 3. The Economy as a Constitutional Order -- 4. The Justification of the Compound Republic: A Retrospective...