From "Morality" Policy to "Normal" Policy: Framing Drug Consumption and Gambling in Germany and the Netherlands and
their Regulatory Consequences. Journal of European Public Policy, 20 (3): 372-389. (in cooperation with S. Heichel, K. Nebel and A. Raschzok)
Environmental Policy: Review on Leader and Laggard Countries in Europe. In Klaus Jakob et al. (eds), Environment and the Single Market. Final Report to the European Commission Brüssel. Berlin: FFU -
Forschungsstelle für Umweltpolitik der Freien Universität zu Berlin, 23-45. (in cooperation with A. Müller und T. Sommerer)
Regulating prostitution and same-sex partnership rights around the globe.
Responsibilization by criminal, administrative and facultative liability: a cross-country comparison of prostitution law.
Gender quotas in the election of the European Parliament: effects and consequences. (with E. Frech)
Policy implementation a playground for losers of the decision-making stage. (with O. Mettang)
Work in progress
Engagement or avoidance? Wedge issue competition on morality policies in the “religious world”.
Consequences of the legalization of prostitution: stimulating flows of human trafficking?
Responsibilization strategies in the governance of prostitution policy (Special Issue with Nicolle Zeegers).