The three essays of this dissertation contribute to the measurement of European economic integration and investigate the welfare effects of the European countries. The first study presents a newly developed index – the EU Index – which measures the extent of economic integration into the...

The ways of decision making within the EU have significantly changed in the last decades: the rule of unanimity has been more and more substituted by majority voting in order to speed up decision-making processes in a Union of 27 heterogeneous member states. A third possibility is now offered by...

The paper adresses the need for more flexibility in the integration process of the European Union after its recent eastward enlargement. Due to the increasing number of decision-makers and the increasing heterogeneity of economic structures, financial constraints, societal preferences, and...

In the light of the current economic debt crisis within the Euro zone, the heterogeneity of EU members has becoming increasingly apparent. This heterogeneity is evident not only in some single macroeconomic variables but also in the level of economic integration with the other EU members....

This paper highlights the economic meaning of the size of the state for members of the European Union, thereby making the economic success of EU states statistically tangible. Firstly, we show in descriptive illustrations that the theoretically expected characteristics of small countries clearly...

This paper deals with the question of what impact membership of the European Monetary Union (EMU) has had on small European states. We will also analyze whether or to what extent a large number of small member states affect the EMU itself when they vastly outnumber the large countries. We...