"The Routledge Handbook of Differentiation in the European Union offers an essential collection of ground-breaking chapters reflecting on the causes and consequ

The notion of Differentiated Integration is increasingly used in the literature on European integration. Often employed interchangeably with the notion of "flex

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

This book offers a comprehensive account and assessment of differentiation in European integration, including an analysis of differentiation in EU enlargement,

Far from displaying a uniform pattern, European integration varies significantly across policy areas and individual countries. Why do some member states choose