Do constitutions matter? Are constitutions simply symbols of the political times at which they were adopted, or do they systematically affect the course of public policy? Are the policy crises of failing democracies the result of bad luck or of fundamental problems associated with the major and minor constitutional reforms adopted during their recent histories?

The purpose of the present study is to address these questions using a blend of theory, history, and statistical analysis. The Swedish experience provides a nearly perfect laboratory in which to study the effects of...