From the perspective of individual citizens, the possession of several nationalities offers a number of advantages. For the nation-state, however, the situation is different: behind every further citizenship there is the legislation of another sovereign country in which the former cannot interfere.

Publication details and link to source: Sabine Riedel, ‘Doppelte Staatsbürgerschaften als Konfliktpotential. Nationale Divergenzen unter europäischer Flagge’, SWP-Studien 2012/S 24, October 2012.