Policy-making in the European Union and its interaction with the member states, in particular Germany and the Netherlands.
International security (with focus on weapons of mass destruction), domestic politics of foreign policy.
Policy making, enforcement and implementation in the EU, in particular, comparison between Western and Central and Eastern European countries. Responsiveness and legitimacy of EU institutions.
Crisis governance and development, aid effectiveness, domestic sources of international cooperation, political violence, democratization
International and Comparative Political Economy, Global governance, international organizations, IMF programs, collective mobilizations, unrest, labour markets, labour mobility, and migration.
Comparative welfare systems (with focus on the welfare-finance nexus); Politics of long-term policymaking.