Differentiation was at first not perceived as a threat to the European project, but rather as a tool to promote further integration. Today, more EU policies tha

This book reflects on selected issues of European law in dialogue with leading legal scholar Bruno De Witte, whose work has enlightened generations of students,

The book examines how the interests of the member states, which provide the primary driving force for developments in European integration, are internalised and

Enhanced Cooperation allows a group of Member States to use the EU’s competences and institutions to pursue a project within the Union’s framework that is b

This Open Access book offers a novel view on the benefits of a lasting variation between the member states in the EU. In order to bring together thirty very dif