This article derives theoretical expectations about the importance of nonseparable preferences at EU treaty negotiations. It argues that member states’ positions on the degree of integration depend on the expected reform of the decision rule and vice versa. This nonseparability effect...

This article analyses the extent to which governmental positions on European integration originate from domestic politics. In contrast to previous studies, I apply a longitudinal research design that allows for an empirical analysis of the domestic dynamics that govern position formation. I use...