This book shows how the EU’s dual sovereignty–legitimacy problem can be resolved through the political concept of European citizenship, which can serve both to define the scope of European sovereignty and to justify EU power beyond national democracy.

The Dynamics of EU External Energy Relations examines the behaviour of the European Commission in EU external energy relations paying particular attention to the dynamics existing between the Commission and the member states. It examines the Commission as a constrained policy-entrepreneur trying to expand its power, budget and competences, yet frustrated by member states protective of their national sovereignty.

Changing Borders in Europe focuses on the territorial dimension of the European Union. It examines the transformation of state sovereignty within the EU, the emergence of varied self-determination claims, and the existence of a tailor-made architecture of functional borders, established by multiple agreements.