2019

• Morality politics in a secular age: Strategic parties and divided governments. Basingstoke: Palgrave Macmillan. [Excerpt]

2015

• Prostitutionspolitik in Deutschland. Entwicklung im Kontext europäischer Trends. Wiesbaden: Springer VS. (Essentials)

2023

• Special Issue: Reconceptualizing social care: The new contestation of social care and its gendered implication. European Journal of Gender & Politics, 6(2). (co-author A. Blome)

2022

• Special Issue: The governance of prostitution via intermediaries. Regulation & Governance Vol. 16 (3). (co-author Nicolle Zeegers)

2023

• Vertical inroads of religion into European parliamentary politics: how socialization and national party affiliation shape Germen MEPs' consideration of religion. Religion, State & Society, 51(4-5): 400-415. (co-author C. Herrmann).
• Securing Moral Authority: a cross-national analysis of Protestant Engagement in the Implementation of Morality Policies in Western Europe. Voluntas, 35(3): 479-490. (co-authors O. Mettang, L. Fischer, J. Menzner)
• Christian churches and social welfare in secular times: How goal congruence shapes religious involvement in morality-based social services. Politics and Religion, 16(2): 266-285. (co-author O. Mettang).
• Reconceptualizing  social care: the new contestation of Social Care and its gendered implications. European Journal of Gender & Politics, 6(2): 145–150 (co-author A. Blome)
• Contested social care - is there a ‘right’ way? How public investments diminish attitudinal differences towards social care in 34 European countries. European Journal of Gender & Politics 6(2): 183–204  (co-author V. Benoit)

2022

• Regulatory intermediaries and value conflicts in policy implementation: Religious organizations and life-and-death policies in Belgium. Regulation and Governance, 16(3): 801-817. (co-author I. Ciornei, Ilay Yesil, Michalina Preisner)
• Indirect moral governance in prostitution policy: how regulators incorporate stigmatized actors in intermediation processes. Regulation and Governance 16(3): 801-817. (co-author Nicolle Zeegers)

2021

•  Political parties and Muslims in Europe: the regulation of Islam in public education. West European Politics, 45(5).  (co-author I. Ciornei, Ilay Yesil)

               !! WINNER OF THE  Gordon Smith and Vincent Wright Memorial Prize 2022!!

 2020

• Candidate Selection and Parliamentary Activity in the EU's Multi-Level System: Opening a Black-Box.  Politics and Governance. (open access, co-author E. Frech).
• Mandated representation: Exploring the Consequences of Gender Quota Design on Parliamentary. Parliamentary Affairs. (co-author E. Frech).

2019

• Ruling under a shadow of moral hierarchy: Regulatory intermediaries in the governance of prostitution. Regulation & Governance, 16(3): 836-857.

2018

• Dropping the curtain. The Religious-Secular Party Cleavage in German Morality Politics. Politics and Religion 11(2): 221-248. (with C. Preidel) [Excerpt]
• When Morality Policies meet Governance: Private governance as response to value-driven conflicts. Journal of Public Policy 38(1): 57-81.  (with C. Preidel) [Excerpt]
  

2017

• Regulating Islamic religious education in German states. Zeitschrift für Vergleichende Politikwissenschaft (first view). [Excerpt]
• Politicisation without party discipline. A new perspective on Christian Democracy in modern times. Parliamentary Affairs 70(3): 465–488. (with C. Preidel) [Excerpt]
  

2013

• Regulating Sexual Behaviour in Catholic Societies: A Comparison between Italy and Spain. Journal of European Public Policy, 20 (3): 425-441. (with S. Schmitt and C. Preidel) [Excerpt]
  
• 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. (with S. Heichel, K. Nebel and A. Raschzok) [Excerpt]
  

2025

• Vertical inroads of religion into European parliamentary politics: how socialisation and national party affiliation shape German MEPs’ consideration of religion, in François Foret, Religion in the European Parliament. Between Nation and Europe. 1st Edition. London: Routledge. (co-author C. Herrmann)

2021

• Solving Europe’s value deficit via economic well-being? The complex relationship between morality issues and economic well-being, in Francois Foret and Jana Vargovčíková (eds.), Value Politics in the European Union. From Market to Culture and Back. London: Routledge. (co-author B. Bakey)

• Islamic Religious Education in German State Schools, in Leni Franken and Bill Gent (eds.),  Islamic Religious Education in Europe: A Comparative Study. London: Routledge. (co-author K. Hackner)

2019

• Morality Policies: current and future research agenda. Research Encyclopedia on Politics. Oxford: Oxford University Press.

2018

• Conflict over values in the European Multilevel Space: The case of morality policies, in Francois Foret and Oriane Calligaro (eds.), European Values: Challenges and Opportunities for EU Governance. London: Routledge. (with I. Engeli)

2016

• Moralpolitik in Deutschland: Konformität mit internationalen Trends und öffentlicher Meinung? In Ulrike Ackermann and Jörg Schmidt (eds), Genuss, Askese und Moral. Über die Paternalisierung des guten Lebens. Frankfurt: Humanities Online, 23-45. (with C. Knill, C. Adam, S. Heichel, S. Hurka, C. Preidel)

2015

• Prostitution: sin, unavoidable evil or recognized profession? In Christoph Knill et al. (eds), On the road to permissiveness? Change and Convergence of Moral Regulation in Europe. Oxford: Oxford University Press, 129-157.  (with C. Knill) [Excerpt]
  

2014

• Prostitutionsregulierung: Politische Einigung zulasten der Implementation. In Christoph Knill et al. (eds), Moralpolitik in Deutschland. Staatliche Regulierung gesellschaftlicher Wertekonflikte im historischen und internationalen Vergleich. Wiesbaden: Springer VS, 107-126.

2012

• Non-decisions and invisible cutbacks? The Indexation of Social Benefits in Four Countries. In Michael Bauer et al. (eds), Dismantling Public Policies: Preferences, Strategies, and Effects. Oxford: Oxford University Press, 129-155. (with C. Green-Pedersen, F. Juul Christiansen, C. Jensen and J. Turnpenny)

• 2019b: Blog post "Katholische Wohlfahrt: Politikimplementation im Spannungsfeld zwischen sozialer Arbeit und katholischem Auftrag", Regierungsforschung.de (with Olivia Mettang).
• 2019a: Blog post "Secular Politics of Sexuality and Christian Churches", Woolf Institut, Cambridge.
• 2018: Blog post titled "Why are private actors able to co-govern prostitution policy and assisted dying in Germany?" Core Blog of Cambridge University Press.
• 2015: Politics of dilemma: Coalition considerations and party conflicts on morality policies in the "religious world". Doctoral Thesis. Konstanz: University of Konstanz.
• 2010: 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. (with A. Müller und T. Sommerer)

• Special Issue: Digital religion meets politics
• Religion in Europe's multilevel parliamentary space  (with C. Herrmann)