This book offers the first comprehensive legal study dedicated to the understanding of the Danish EU opt-outs. The impact of these is significant, falling as th

This book provides the first in-depth account of how European Union opt-outs and differentiated integration work in practice.

In 1999 the EU decided to develop its own military capacities for crisis management. This book brings together a group of experts to examine the consequences of

This two-volume book, published open access, brings together leading scholars of constitutional law from twenty-nine European countries to revisit the role of n

Far from displaying a uniform pattern of integration, the European Union varies significantly across policy areas, institutional development and individual coun