ZEI Publications
The ZEI Directors regularly publish books and articles in which various issues concerning governance and regulation in the EU are examined.
Latest Publications
ZEI Discussion Paper C 278 / 2023
Europäische Integration aus historischer Erfahrung. Ein Zeitzeugengespräch mit Michael Gehler - Ralf Dahrendorf
This interview takes place within the framework of the contemporary witness interviews "European Integration from Historical Experience", which attempts to record all former commissioners from Germany in interview form. In the case of already deceased commissioners, the conversations were reconstructed retrospectively on the basis of their contemporary interviews, publications, writings and works. In the footnotes to the answers, the year of the statement is given in brackets, so that a historical classification is possible. The answers have been taken over tel quel as they were in the original.
ZEI Discussion Paper C 277 / 2023
Die Päpste, Europas Einigung und ein zerrissener Kontinent. Eine Zwischenbilanz im Lichte der gegenwärtigen Krisen in Kirche und Welt - Ludger Kühnhardt
The relationship of the Popes to the continent of Europe has been and remains ambivalent. It oscillates between the global orientation of the Roman Catholic Church and the defense of the faith, but also between a reserved and skeptical attitude towards Western modernity and an almost naïve hope for ecumenical dialogue with the Russian Orthodox Church. In the midst of the current global political crisis, ZEI Director Ludger Kühnhardt reconstructs the perspectives of seven popes during seven decades of European unity and the ongoing disunity of the European continent.
Future of Europe Observer Vol. 11 No. 1 / 2023
Time for the EU to prove itself
This issue of the ZEI Future of Europe Observer takes stock of the implementation of the annual work programs of the Von der Leyen Commission. It includes analyses on the progress being made within the Commission’s six policy priorities, visualized by the ZEI Monitor traffic, and provides an outlook for the coming year.
Das politische Denken der Europäischen Union
Supranational und zukunftsoffen. by Ludger Kühnhardt
The European Union should be based on the idea of European sovereignty, as French President Emmanuel Macron designed the future of the EU in 2017. The concept of European sovereignty connects questions of political thought with the internal order and the global political strategy of the EU. From a historical perspective, modern political thought has evolved around the concept of the state. However, ancient roots of political thought indicate that fundamental questions of political order were already reflected in a context prior to the evolution of the modern state. Important concepts of political philosophy emerged in ancient Greek and Roman history that continue to have an impact today. Against this background, this textbook Ludger Kühnhardt discusses in this innovative text book whether and how political thinking can also generate its own concepts and reflections in a supranational context, and especially in the European Union..
ZEI Series
Future of Europe Observer
The “ZEI Future of Europe Observer” accompanies European politics with analysis and projections. The “ZEI Future of Europe Observer” is published three times a year and each issue focuses on a specific aspect of European governance and regulation. Authors are ZEI Scholars, Master of European Studies Fellows and Alumni.
ZEI Discussion Paper
"ZEI Discussion Paper’s” stimulate discussion among researchers, practitioners and policy makers on current and emerging issues of European integration and Europe’s global role. They express the personal opinion of the authors. The papers often reflect on-going research projects at ZEI. "ZEI Discussion Paper’s" are published several times a year.
Schriften des ZEI
ZEI Director Professor Ludger Kühnhardt is editor of the "Schriften des Zentrum für Europäische Integrationsforschung“ with Nomos Publisher in Baden-Baden, the leading German publishing house on European topics in political science. The series deals with basic questions concerning the European integration and Europe's global role.

Journals on European Competition Law
ZEI Director Professor Christian Koenig is co-editor of several highly acclaimed jurisprudential journals.

Verknüpfte Welten
Ludger Kühnhardt: Verknüpfte Welten. Notizen aus 235 Ländern und Territorien. Band 1: 1960-1999, Band 2: 2000-2020, Wiesbaden: Springer 2022.

The Art of Regulation
Christian Koenig / Bernhard von Wendland: The Art of Regulation. Competition in Europe - Wealth and Wariness, Cheltenham: Edward Elgar Publishing, 2017.

The Bonn Handbook of Globality
A comprehensive interpretation of terms and symbolizations after the global turn.
Further information
ZEI at 25
For 25 years, ZEI combines transdisciplinary research and education in regional integration. Download our work report and the brochure describing the contribution of ZEI's Master in European Studies in opening doors for alumni worldwide.
Press review
The Pressespiegel (press review) documents the presence of ZEI and its staff in print media.
ZEI Annual Reports
The “ZEI Annual Reports” have been documenting the work of the Center for European Integration Studies since 1996. Their aim is to inform about the Center’s research projects and activities, publications and staff.