This authoritative new collection includes the most important published articles on the normative and positive branches of constitutional political economy.It contains sections on the ideas and concepts of constitutions, on the process of creating and amending them, a variety of papers on both the horizontal as well as the vertical separation of powers, and a final section on the relevance of constitutions for economic outcomes. The editor has written an authoritative introduction which contains a broad bibliography on all aspects of constitutional political economy.This two-volume set will be especially welcome in the field of constitutional political economy since it is a research area which crosses traditional disciplinary boundaries. It will be useful to those teaching a course in constitutional political economy as well as economists, political scientists, legal scholars, and political philosophers doing research in this area.