This special issue analyses the patterns, causes and consequences of Differentiated Policy
Implementation (DPI) in the European Union (EU). DPI is an umbrella term for the diversity in …

Differentiated integration has become a durable feature of the European Union and is a
major alternative for its future development and reform. This book provides a comprehensive …

The literature suggests that legislative politics among European Union Member States is
characterised by economic exchanges, and constrained by the social norms of a European …

Member states use implementation to preserve core state powers, such as fiscal policy, vis-à-
vis the European Union (EU), by choosing whether to adopt stricter or looser rules than the …

With Brexit imminent, the debate on the need for differentiated integration (DI) by means of
opting-out has gained new momentum. At the same time, non-member states decide to …

Since the early 1990s, European integration has become increasingly differentiated.
Analysing the conditions under which member states make use of the opportunity to opt out …

Noncompliance and differentiated integration are two strategies to cope with heterogeneity
between European Union member states. This article explores the relationship between the …

Previous research shows that Differentiated Integration (DI) in areas of core state powers
works according to a postfunctional logic, in response to concerns about national autonomy …

Abstract The United Kingdom has always been a special case in the European integration
project. The British exceptionalism manifested in various forms and ways over the history …

Under which conditions is external differentiated integration effective, and what lessons can
be drawn from the experience of the EEA for the implementation of differentiated integra-tion …