We examine the sources and processes of institutional change in one important aspect of EU politics-the legislative procedure of codecision and show how interstitial change of institutions emerges between formal Treaty revisions and under specific conditions may be formalized in subsequent...

Proportional representation is often thought a democratic ideal. But whatever proportional representation's virtues in ordinary politics, it is poorly suited to sustaining democratic legitimacy in what might, speaking loosely, be called constitutional politics. Proportional representation may...