The European Union as a System of Differentiated Integration: Interdependence, Politicization and Differentiation

Schimmelfennig, Frank and Leuffen, Dirk and Rittberger, Berthold (July 2014) The European Union as a System of Differentiated Integration: Interdependence, Politicization and Differentiation. IHS Political Science Series 137

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Abstract or Table of Contents

This paper conceptualizes the European Union (EU) as a system of differentiated integration characterized by both variation in levels of centralization (vertical differentiation) and variation in territorial extension (horizontal differentiation) across policy areas. Differentiation has been a concomitant of deepening and widening and has increased and consolidated as the EU’s powers, policy scope, and membership have grown. Turning to explanation, the paper attributes the pattern of differentiated integration in the EU to the interaction of interdependence and politicization. Differentiation among the member states (internal differentiation) results from supranational integration under conditions of high interdependence and politicization. By contrast, external differentiation (the selective policy integration of non-member states) occurs in highly interdependent but weakly politicized policy areas. These constellations are illustrated in case studies of differentiation in the internal market, monetary union, and defence.

Item Type: IHS Series
Keywords: Differentiated integration, European Union, Interdependence, Politicization
Status: Published
Date Deposited: 06 Oct 2014 07:33
Last Modified: 22 Jul 2017 15:33
URI: http://irihs.ihs.ac.at/id/eprint/2265

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