The Three Branches : Oxford University Press : 9780198738084 : 0198738080 : 19 Mar 2015 : The idea of the separation of powers is still popular in much political and constitutional discourse, though its meaning for the modern state remains unclear and contested. This book develops a new, comprehensive, and systematic account of the principle. It then applies this new concept to legal problems of different national constitutional orders, the law of the European Union, and international institutional law. It connects an argument from normative political theory with phenomena taken from comparative constitutional law. The book argues that the conflict between individual liberty and democratic self-determination that is characteristic of modern constitutionalism is proceduralized through the establishment of different governmental branches. A close analysis of the relation between individual and collective autonomy on the one hand and the ways lawmaking through public institutions can be