For PDF versions of publications and/or further information, please click on the cover of the respective entry. In case you cannot access a publication or if a link does not work, please contact me.


Qualitative Comparative Analysis: An Introduction to Research Design and Application, Washington, DC: Georgetown University Press (2021), more information & publisher’s website.

Case-Based Methods: Combining Process Tracing and Qualitative Comparative Analysis, Basingstoke: Palgrave Macmillan, under contract (with Hilde van Meegdenburg).

Democratic Participation in Armed Conflict: Military Involvement in Kosovo, Afghanistan, and Iraq, Basingstoke: Palgrave Macmillan (2014, paperback: 2016), book page & publisher’s website.

Winner of the 2015 Dissertation Award of the German Political Science Association (Deutsche Vereinigung für Politikwissenschaft)

Edited Handbook

The Routledge Handbook of Foreign Policy Analysis Methods, London: Routledge, under contract (co-edited with Falk Ostermann).

Edited Special Issues

The Politics of Multinational Military Operations, Special Forum, Contemporary Security Policy, 40:1 (2019), 30-133, (co-edited with Stephen M. Saideman), free access introduction & special issue.

Parliaments in Security Policy: Involvement, Politicisation, and Influence, Special Issue, British Journal of Politics and International Relations 20:1 (2018), 3-190, (co-edited with Dirk Peters), free access introduction & special issue.

Journal Articles

Incentives and Constraints: A Configurational Account of European Involvement in the anti-Daesh Coalition, European Political Science Review (2021, forthcoming).

Patterns of Political Ideology and Security Policy, Foreign Policy Analysis, 16: 4 (2020), 565-586, (with Tim Haesebrouck), open access article.

Paths towards Coalition Defection: Democracies and Withdrawal from the Iraq War, European Journal of International Security, 5: 1 (2020), 45-76, open access article.

The Politics of Multinational Military Operations, Contemporary Security Policy, 40: 1 (2019), 30-37, (with Stephen M. Saideman), free access article.

National Restrictions in Multinational Military Operations: A Conceptual Framework, Contemporary Security Policy, 40: 1 (2019), 38-55, open access article.

Parliaments in Security Policy: Involvement, Politicisation, and Influence, British Journal of Politics and International Relations, 20: 1 (2018), 3-18, (with Dirk Peters), free access article.

The Unintended Consequences of Parliamentary Involvement: Elite Collusion and the Afghanistan Deployments of Canada and Germany, British Journal of Politics and International Relations, 20: 1 (2018), 135-157, (with Philippe Lagassé), article & preprint.

Perspektiven der Forschung zur Privatisierung in der Sicherheitspolitik, Zeitschrift für Friedens- und Konfliktforschung, 7: 1 (2018), 195-199, article.

Parlamente in der Friedens- und Sicherheitspolitik: Parlamentarische Kontrolle von Streitkräfteeinsätzen im Licht der Forschung, Sicherheit und Frieden, 35: 2 (2017), 53-59, (with Dirk Peters), free access article.

Curbing the Royal Prerogative to Use Military Force: The British House of Commons and the Conflicts in Libya and Syria, West European Politics, 40: 1 (2017), 80-100, article & preprint.

Parliamentary Peace or Partisan Politics? Democracies’ Participation in the Iraq War, Journal of International Relations and Development, 15: 3 (2012), 420-453, article, preprint, replication data.

In Search of New Wars: The Debate About a Transformation of War, European Journal of International Relations, 16: 2 (2010), 297-309, article & preprint.

Book Chapters

German Foreign Policy, in: Jeroen Joly and Tim Haesebrouck, (ed.) Foreign Policy Change in Europe Since 1991, Basingstoke: Palgrave Macmillan, 2021, book & chapter preprint.

Von der Bonner zur Berliner Republik: Die “Zivilmacht“ Deutschland im Spiegel parlamentarischer Debatten zu Auslandseinsätzen der Bundeswehr, 1990 bis 2018, in: Klaus Brummer and Friedrich Kießling, (ed.) Zivilmacht Bundesrepublik?, Baden-Baden: Nomos, 295-316, 2019, book & chapter preprint.

Two-Level Games in Foreign Policy Analysis, in: Cameron Thies, (ed.) Oxford Encyclopedia of Foreign Policy Analysis, New York: Oxford University Press, 770-789, 2019 (with Eugénia da Conceição-Heldt), encyclopedia & chapter preprint.

Curbing the Royal Prerogative to Use Military Force: The British House of Commons and the Conflicts in Libya and Syria, in: Tapio Raunio and Wolfgang Wagner, (ed.) Challenging Executive Dominance: Legislatures and Foreign Affairs, London: Routledge, 80-110, 2018, book & chapter preprint [Reprint of West European Politics, 2017].

Qualitative Comparative Analysis and the Study of Non-State Actors, in: Andreas Kruck and Andrea Schneiker, (ed.) Researching Non-State Actors in International Security: Theory & Practice, London: Routledge, 123-142, 2017, open access book & open access chapter.

Democratic Peace Theory, in: Paul I. Joseph, (ed.) The Sage Encyclopedia of War: Social Science Perspectives, Volume I, Thousand Oaks: Sage, 472-476, 2017, encyclopedia & chapter.

New and Old Wars, in: Paul I. Joseph, (ed.) The Sage Encyclopedia of War: Social Science Perspectives, Volume III, Thousand Oaks: Sage, 1209-1211, 2017, encyclopedia & chapter.

Asymmetric Warfare, in: George Ritzer, (ed.) The Blackwell Encyclopedia of Sociology, Second Edition, Hoboken: Wiley, encyclopedia & chapter.

Book Reviews

Entscheidungsträger in der deutschen Außenpolitik: Führungseigenschaften und politische Überzeugungen der Bundeskanzler und Außenminister, by Christian Rabini, Katharina Dimmroth, Klaus Brummer, and Mischa Hansel, German Politics (Dec. 21, 2020), review.

The Oxford Handbook of United Nations Peacekeeping Operations, by Joachim A. Koops, Norrie MacQueen, Thierry Tardy, and Paul D. Williams, Political Studies Review 15: 1 (2017), 106-107, review.

All Necessary Measures: The United Nations and Humanitarian Intervention, by Carrie Booth Walling, Perspectives on Politics 14: 1 (2016), 265-266, review.

Asymmetrische Kriege. Eine politiktheoretische Untersuchung zur Kriegführung im 21. Jahrhundert, by Felix Wassermann, Politische Vierteljahresschrift 57: 2 (2016), 326-328, review.

Außenpolitikanalyse, by Klaus Brummer and Kai Oppermann, Zeitschrift für Außen- und Sicherheitspolitik 8: 4 (2015), 611-613, review.

Coalitions of Convenience: United States Military Interventions after the Cold War
, by Sarah E. Kreps, Berlin Reviews in Social Sciences, No. 2 (2011), 1-2, review.

Media and Other Publications

Paths towards Coalition Defection: Democracies and Withdrawal from the Iraq War, European Journal of International Security Blog, May 18, 2020, blog entry.

Interview for The Bulletin Podcast, interviewed by Maria Brackin, Willy Brandt School of Public Policy, University of Erfurt (30 mins.), February 6, 2018, podcast recording.

Kriegsbeteiligung: Gegen den Willen der Bevölkerung, Katapult: Magazin für Kartografik und Sozialwissenschaft, July 6, 2016, article.

Essay Contribution to “Boot Camp: Ten Years of Qualitative and Multi-Method Research”, edited by Colin Elman, Qualitative & Multi-Method Research 9: 2 (2011), 13-14, essay.