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...

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...