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All Publications

Here you can find all CASSIS publications. Click on the blue button to access our latest publication series "Security, Strategy & Innovation".

Saudi-Arabiens digitale Abhängigkeit: Balanceakt zwischen Modernisierung und „Daten-Nationalismus“

Drawing on the Digital Dependence Index, Michelle Gassner and Barbara Schallhart discuss Saudi-Arabia's digital dependence in their article.

Südkoreas digitale Abhängigkeit: Staatliche Steuerung als Erfolgsrezept

Drawing on the Digital Dependence Index, Jonas Prinsen discusses South Korea's digital dependence in his article.

Deutschlands digitale Abhängigkeit: Von Souveränität kann keine Rede sein

Niklas Almasi & Philipp van Helden discuss Germany's digital dependency in their article.

China’s Cyberpower and its Impact

Prof. Dr. Maximilian Mayer and Prof. Josef Gregory Mahoney, Professor of Politics and International Relations at East China Normal University, have edited a Special Issue of the Journal on Chinese Political Science.

China’s Bifurcated Space Diplomacy and Institutional Density

Prof. Dr. Maximilian Mayer and Kunhan Li, coctoral candidate at the University of Nottingham — Ningbo, China, investigate Chinese space diplomacy and its bifurcation between institutionalised multilateral cooperation and state-centric bilateral co-operation.

Die Deutsch-chinesischen Beziehungen am Scheideweg: ‘Business-as-usual‘ oder ‘Zeitenwende‘?

Dr. Frank Umbach discusses German-Chinese relations in his publication.

Russia-Ukraine: Critical Infrastructure Protection from Sabotage is an Unprecedented Challenge the EU must Face now

In his publication, Dr. Frank Umbach discusses the protection of critical infrastructures in the context of the war in Ukaine

Strategische Irrtümer, Fehler und kollektive Fehlannahmen der deutschen Energiepolitik seit 2002

In his Sirius Magazine publication, Dr. Frank Umbach discusses the strategic errors, mistakes and collective misconceptions of German energy policy since 2002.

Energie- und Sicherheitspolitik. Warum wir eine vernetzte Sicherheitspolitik benöti­gen

In his publication, Dr. Frank Umbach discusses the urgency of a networked security policy.

Die westlichen Wirtschaftssanktionen gegen Russland. Wie effektiv sind sie?

In his publication, Dr. Frank Umbach discusses the effectiveness of Western economic sanctions against Russia.

Norwegen als strategischer Energiepartner für die EU und Deutschland

Dr. Frank Umbach discusses the energy policy cooperation between the EU and Norway.

Ukraine, NATO and the Black Sea

A publication by Dr. Iulian Romanyshyn, Research Fellow of CASSIS on NATO's Black Sea Strategic Alignment.

Assessing the Financial and Geoeconomic Implications of China’s Digital Currency

Together with Amir Elalouf, Maximilian Mayer has contributed a chapter called "Assessing the Financial and Geoeconomic Implications of China’s Digital Currency" in a publication edited by Tim Rühlig. It highlights the possible effects of the e-CNY on European security, values and competitiveness, and recommends steps to improve Europe’s economic and technological stance.

Helmut Kohl, Giulio Andreotti und der Prozess der Wiedervereinigung Deutschlands 1989/90

Prof. Ulrich Schlie on the process of reunification in the light of the friendship between Helmut Kohl and Giulio Andreotti.

‘We Never Plan for the Worst Case’: Considering the Case of Germany

"Events related to the Arab uprisings, ISIS’s rise to power and Russia’s aggression against parts of Ukraine in 2014 posed complex, though distinct challenges for the Federal Republic of Germany. How well were German leaders and officials informed about nascent as well as short-term developments beforehand and once these crises erupted? The widely shared appearance of sharp discontinuity in the way related historical processes unfolded raises questions about the degree to which decision makers and officials in government were taken by surprise."

Festschrift in honor of the 65th birthday of Professor Xuewu Gu.: Macht und Machtverschiebung

This Festschrift in honor of Professor Xuewu Gu's 65th birthday brings together contributions on two closely intertwined key phenomena in international relations: Power and Power Shifts.
With contributions from numerous CASSIS members such as Prof. James D. Bindenagel, Dr. Enrico Fels, Dr. Hans-Dieter Heumann, Prof. Dr. Wolfram Hilz, Prof. Dr. Maximilian Mayer and Prof. Dr. Ulrich Schlie. 

Die nationalsozialistische Machtergreifung nach der Machtübertragung

The seizure of power by the National Socialists in January 1933 is a key event in world history. Hitler's rapid consolidation of power and the elimination of democracy virtually overnight still astonish and shock to this day. And to this day, historians disagree about the reasons for the end of the Weimar Republic and the rapid success of the National Socialists.

This book casts an international perspective on the epochal year 1933 90 years later and explores the questions: How could it happen? How can something similar happen again? And can we learn anything from it in times when democracies are under pressure and dictatorships are on the rise?

Infrastructuring Cyberspace: Exploring China’s Imaginary and Practices of Selective Connectivity

Nicolas Huppenbauer, Dr. Ying Huang and Prof. Maximilian Mayer explore the tension between digital fragmentations and connectivity in Chinese cyberspace and introduce a new term "selective connectivity".

Cyberspace Fragmentation from the Perspective of Technology Trends

Associate Fellow Ying Huang explores the issues of cyberspace fragmentation and global cyberspace governance in her article for the Journal of International Studies (国际政治研究). So far it is only available in Chinese.

South Korea's Response to COVID-19: Lessons for Pandemic Preparedness and Agile Crisis Management

Prof. Maximilian Mayer and Ga Young Lee are examining the genesis of South Korea's proactive pandemic management and the resulting learning processes.

Chinas Interesse an Afghanistans Rohstoffreichtum

Dr. Frank Umbach discusses China's interest in Afghanistan's wealth of raw materials and the implications for EU security of supply with regard to critical raw materials.

China's Engagement in Africa: Activities, Effects and Trends

Prof. Dr. Maximilian Mayer writes on China's technological influence in Africa as part of a Center for Global Studies publication.

“Der Glasgower Klimagipfel 2021 – Die Energie- und Klimapolitik der Hauptemittenten EU, USA, China und Russland“

Dr Frank Umbach discusses the Glasgow 2021 Climate Summit in his publication in Political Studies.

Russia’s Cyber Fog in the Ukraine War

The all-out Russian war effort to conquer Ukraine will lead to a rise in cyberattacks on both Ukrainian and Western critical infrastructure.

Digital currencies, monetary sovereignty, and U.S.–China power competition

Prof. Dr. Maximilan Mayer and Dr. Ying Huang discuss digital currencies, monetary sovereignty, and U.S.–China power competition in their new research article. 

“Russland und das EU-Ölembargo“

Dr Frank Umbach writes in European Security and Technology (ES&T) about the EU oil embargo and its impact on Russia.

Power in the Age of Datafication: Exploring China’s Global Data Power

Prof. Maximilian Mayer and Dr. Ying Huang are examining Chinese data power by providing a new conceptual framework.

“Putins Nukleardrohungen. Einsatzoption oder psychologische Kriegsführung?“

Dr. Frank Umbach discusses Putin's nuclear threats in his technical article in European Security and Technology.

Europa hat die Konsequenzen seiner digitalen Abhängigkeit noch kaum erkannt

Maximilian Mayer and Yen-Chi Lu develop a Digital Dependency Index (DDI) that provides a precise description of the state of digital dependencies in a global comparison. With the help of the DDI, the complex subject of strategic digital policy can also be better mapped: Worldwide, 23 economically leading countries were identified as having different degrees of digital dependency in terms of trade in digital goods and services, in the area of information and communication infrastructures, and with regard to intellectual property rights for digital technologies.

COVID-19 Border Restrictions and Cross-Border Care Relations: The Cases of Germany and Vietnam

In diesem Arbeitspapier beschreiben u.a. Katharina Cramer, Maximilian Mayer und Philip Nock kritische Unterbrechungen der grenzüberschreitenden Pflegebeziehungen und -arrangements aufgrund der Einführung von Grenzbeschränkungen zu Beginn der COVID-19-Krise in Deutschland und Vietnam. Die Autor:innen argumentieren, dass die spezifischen (geo)politischen Konstellationen und die besonderen sozioökonomischen Kontexte und Verbindungen der Pflege innerhalb und außerhalb dieser Länder entscheidende Aspekte dafür sind, wie und in welchem Ausmaß die Grenzbeschränkungen in jedem dieser beiden Länder variierten und unterschiedliche Härten für verschiedene Arten von Pflegebeziehungen verursachten.

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