The “democratic peace” as a justification narrative

Project leader: Prof. Dr. Christopher Daase

With reference to Immanuel Kant’s essay “On Perpetual Peace” (1795), the contemporary theory of democratic peace (DF) claims that consolidated democracies do not wage wars against each other or are even inherently more peaceful than other types of rule. This theory draws on numerous idealizing rationality assumptions about the institutions, political culture and action orientations of citizens and elites of liberal-democratic democracies. The roots of this branch of research in the civilization-optimistic legacy of the Enlightenment are unmistakable, but have problematic scientific and political consequences: Scientifically, it leads to questionable explanatory approaches and prognoses and politically to the consolidation of an overly positive self-image of Western states. In extreme cases, DF research is used to justify violent democratization or to justify demands for a “club of democracies”. In this respect, the DF theory serves to underpin a conflict-aggravating identity politics of democratic actors. Overall, since the end of the Cold War, research on democratic peace, which has become almost unmanageable, has become an influential justification narrative for Western foreign policy strategies and world order concepts: Global democracy promotion is seen as the long-term key to achieving greater stability and peace within the framework of a liberal world order.

This project took a critical look at the (meta-)theoretical foundations of DF theory and deconstructed its assumptions of rationality with the help of arguments and insights from state theory, democratic theory and the sociology of modernity. The aim was to show that the micro-theoretical foundations of DF rest on more than fragile ground. It was shown that potentially violence-promoting exclusion processes and threat constructions mean that peace within and between democracies will always be precarious. As a result, the project showed that political claims about the peace achievements of democracies are therefore idealized.

Dr. Geis wrote her habilitation thesis as part of the project and was habilitated in 2012. She has been a professor of political science at Helmut Schmidt University Hamburg since 2016.

The project’s most important publications include:
*Geis, Anna (2011): “Of Bright Sides and Dark Sides: Democratic Peace beyond Triumphalism”, in: International Relations, 25(2), 18-25.
*Geis, Anna /Wagner, Wolfgang (2011): “How far is it from Königsberg to Kandahar? Democratic Peace and Democratic Violence in International Relations”, in: Review of International Studies, 37(4), 1555-1577.
*Geis, Anna/Wolff, Jonas (2011): “Demokratie, Frieden und Krieg. Der “Demokratische Frieden” in der deutschsprachigen Friedens- und Konfliktforschung”, in: Peter Imbusch/ Peter Schlotter/ Simone Wisotzki (eds.): Friedens- und Konfliktforschung – ein Studienbuch, Baden-Baden: Nomos (Series Forschungsstand Politikwissenschaft), 112-138.
Daase, Christopher (2011): ‘Neue Kriege und neue Kriegführung als Herausfoderungen für die Friedenspolitik’, in: Werkner, Ines-Jacqueline/ Kronfeld-Goharani, Ulrike (eds.), The ambivalent peace. Peace research faces new challenges Wiesbaden: VS-Verlag, 21- 35.

News from the research center

News
04.12.2025

The crisis of democratic theory from a sociological perspective

Sociologist Jenny Brichzin's lecture "Crisis of Democratic Theory? A sociological intervention" opened our lecture series "At the crossroads? On the future of democratic theory". The sociologist criticized the fact that social coexistence has so far been insufficiently addressed in democratic theory. A follow-up report

more information ›
Publication
21.11.2025 | Anthology

Handbook of Leadership. Applied Business Psychology for Managers

Felfe, Jörg; Dick, Rolf van (eds.) (2025): Handbook of Leadership. Applied Business Psychology for Managers. Springer.

more information ›
News
20.11.2025

Voluntary or compulsory? Military service, peace and democratic responsibility

Review of the 58th "Römerberggespräche". The topic of compulsory military service and the question of what a democratic state is allowed to demand of its citizens were at the center of the 58th "Römerberggespräche" "Conditionally ready for action? Military service and the duty to serve the state", which took place on November 15 in cooperation with the Research Centre Normative Orders in the Chagallsaal at Schauspiel Frankfurt.

more information ›
News
13.11.2025

Goethe Lecture Offenbach on ableist discrimination

Regina Schidel hat im Rahmen der Goethe Lectures Offenbach eine Kritik ableistischer Diskriminierung präsentiert. In ihrem Vortrag „Ich kann, also bin ich?“ diskutierte sie praktische Ausprägungen und philosophische Herkünfte von Ableismus.

more information ›
Event
10.02.2026 | Frankfurt am Main

Satanic Politics. Democracy after Liberalism

Lecture, Lecture Series

Lecture by Michael Rosen (Harvard University) as part of the lecture series "At the Crossroads? On the crisis of democracy" in the winter semester 2025/2026

more information ›
Event
04.02.2026 | Frankfurt am Main

Demokratien verteidigen. Zur Aktualität des Gewaltbegriffs bei Camus und Derrida

Lecture Series, Lecture

Vortrag von Christine Abbt (Universität St. Gallen) im Rahmen der Ringvorlesung "Am Scheidepunkt? Zur Krise der Demokratie" im Wintersemester 2025/2026

more information ›
Event
29.01.2026 | Frankfurt

Civil Geopolitics and the Dilemmas of the Democratic State

Lecture Series, Lecture

Vortrag von David Owen (Universtiy of Southampton) im Rahmen der Ringvorlesung "Am Scheidepunkt? Zur Krise der Demokratie" im Wintersemester 2025/2026

more information ›
Event
14.01.2026 | Frankfurt am Main

Vom Retten der Welt zum Vorbereiten auf den Kollaps: Neuorientierungen in katastrophischen Zeiten

Lecture Series, Lecture

Vortrag von Christine Hentschel (Universität Hamburg) im Rahmen der Ringvorlesung "Am Scheidepunkt? Zur Krise der Demokratie" im Wintersemester 2025/2026

more information ›
Event
10.12.2025 | Frankfurt am Main

How Democracy Relies on the Future

Lecture Series, Lecture

Vortrag von Jonathan White (LSE) im Rahmen der Ringvorlesung "Am Scheidepunkt? Zur Krise der Demokratie" im Wintersemester 2025/2026

more information ›