The article analyses how enlargements affect the speed of European Union (EU) decision-making. In line with rationalist theories of group choice, we argue that enlargements increase the costs of organizing decisions, i.e. transaction costs. Increasing transaction costs, in turn, slow down EU...

Forecasting plays an increasingly important role in the scientific study of European Union politics and in political science in general. This is because forecasts are not only indispensable for (political) actors who need to form expectations about future events, but can also be used to judge...

Salience as the intensity of interest is a key explanatory factor of European Union decision-making. In this article, the ability of three explanatory models to explain the realized values of Member States’ salience is hypothesized and tested. On the basis of the DEU II data, the analysis...