With twelve new members the decision making in the European Union via intergovernmental cooperation will become ineffective. In order to avoid a Stagno-Europe the EU has a choice: Either it looks for the very essentials in the common institutional frame or the member states agree in ceding...

Employing a wide range of individual-level surveys, we study the extent of cultural and institutional heterogeneity within the EU and how this changed between 1980 and 2008. We present several novel empirical regularities that paint a complex picture. While Europe has experienced both systematic...