This paper investigates possible convergence of issue salience of terrorism among citizens within the European Union for ten jihadist attacks in the period 2015–2017 using Eurobarometer survey data.

As a research project between four Jean Monnet Chairs - two located in Europe, one in Canada and one in the U.S. -- the project DEUBAL has been approved in 2010 for co-financing by the European Commission. DEUBAL aims to study changes in European decision-making due to the Lisbon Treaty, by a combination…

Dr Karolina Pomorska has been awarded the Jean Monnet Chair “EU and the World” for three years (2018-2021). Jean Monnet Chairs are teaching posts with a specialisation in European Union studies for university professors, awarded by the European Commission in a highly competitive peer-reviewed proces…

The Centre for the History of European Integration (CHEI) is an initiative that brings together scholars working on European integration, broadly conceived, from a historical perspective.

Müller, Braun & Fraussen examine the conditions under which commissioners appear in the news and which communication strategies they pursue.

International Relations and European Politics is one of the three organisational clusters of the Institute of Political Science.

On 23 juni 2019, Zygimantas Juska defended his thesis 'The Role of Collective Redress Actions to Achieve Full Compensation for Violations of European Union Competition Law'. The doctoral research was supervised by Prof. dr. T.R Ottervanger.

The Department of Child Law collaborated on a study on missing children in the European Union for the European Commission. The outcomes of the study aim to help to improve the mechanisms involved when children are missing in EU Member States.

On 27 September 2017 a new book by Prof. Luuk van Middelaar appeared, entitled The new politics of Europe. The book is at the same time a front line account of Europe’s recent crisis years – from monetary turmoil to tensions around Ukraine, from refugee crisis to Brexit – and an analysis of the Union’s…

How many of our laws in the Netherlands are actually determined by the European Union? In many areas, the influence of the EU has increased. But 80 per cent – a figure referred to in 1989 by then European Commission President Jacques Delors – is a very wide estimate. Research from around 15 years ago…

What are the institutional dynamics of the adoption of internal market legislation?

The refugee crisis and terror threats call for better European cooperation, was the message from Piet Hein Donner in his Cleveringa lecture on 26 November in the Academy Building. ‘Opting for an open and pluriform community takes courage.’

A month after the event, we can say the inaugural lecture of Prof. Luuk van Middelaar on “The European Union and the politics of events”, on 23 September 2016, has obtained good coverage in the Dutch national media.

The long awaited fifth edition of book ‘The Law of the European Union’ (formerly Kapteyn & VerLoren van Themaat) was launched on Friday 11 January 2019 at the T.M.C. Asser Instituut, The Hague.

Published by Brill Nijhoff and written by leading experts including national judges, academics and practitioners East African Community Law is the first comparative as well as open access textbook on EAC law. The book provides a key resource for the research, teaching, and practice of EAC law. It also…

The corona crisis is also a disinformation crisis for the global community in general, and for the European Union (EU) in particular. What is less clear is how adequate the EU’s response to the ‘infodemic’ has been. This essay exposes the dangers of disinformation for the EU, which have intensified…

EU foreign policy has become increasingly politicised over the past years, amongst others as a consequence of the succession of crises. Crises may engender processes of crisis framing and contestation. This article focuses on how the policy demands being voiced in these processes of contestation are…

This research concerns a network of labour law specialists in the EU. The growing internationalization of the economic market and the employment market has a major impact on legislation and research of labour law. Particularly within the European Union labour law is subject to constant development…

Article by Leiden University political scientist Daniel Thomas about shifting norms for membership in international organisations.

In August 2018, the fourth edition of the teaching and learning materials

On 3 March the book “The European Union as an Area of Freedom, Security and Justice” edited by Maria Fletcher, Claudio Matera and Esther Herlin-Karnell was officially presented at a symposium at VU University Amsterdam.

The Center participates in East European Politics, one of the major political science journals focusing on the contemporary post-communist space.

Deadline approaching: Applications are still open for the Summer School ‘The European Union, the United Nations and Global Governance’ (16 - 20 June 2025) for Master-level and PhD students. Application deadline: 15 May 2025.

Research on this theme addresses the systemic risks faced by European societies and affecting the quality of life of European citizens.

Applications are now open for the Summer School ‘The European Union, the United Nations and Global Governance’ (12 - 23 June 2023) for Master-level and PhD students. The activity is supported by the European Union’s Jean Monnet programme (Erasmus+).

On 9 September 2020, Ruben de Graaff defended his thesis 'Concurrence in European Private Law'. The doctoral research was supervised by Prof. A.G. Castermans and Prof. S.C.G. Van den Bogaert.

‘Schiedsgerichte in den Aussenverträgen der EU. Neue Entwicklungen unter Einbezug der institutionellen Verhandlungen Schweiz–EU’, Jusletter 28 May 2018

Sebastian Diessner, Assistant Professor at the Institute of Public Administration, focuses on the role of the European Central Bank in a critical phase toward a new presidency and its approach to monetary policy by looking at both financial market and survey data.

How should European financial law best integrate considering the interaction of the relevant legal systems?

Research on this theme concerns the legitimacy and effectiveness of Europe’s institutional order in the face of public alienation and normative contestation.

Brian Shaev

Suzanne Kingston will be officially sworn in in mid-January. She graduated from the Leiden Advanced LLM European and International Business Law (EIBL) in 2000.

Examining policy integration's adjustment to diverse implementations in cross-border crisis management, the article analyses institutional choices' impact on the process.

The Editorial comment in the June issue of the Common Market Law Review examines three different aspects of the rule of law in relation to the European Union. Despite, or because of, the many challenges facing the Union, these questions are of continuing importance. The Union itself is based on legal…

On Wednesday 27 September a new book by Prof. Luuk van Middelaar will appear, entitled The new politics of Europe. Frans Timmermans, the European Commission’s first vice-president, presents the book that evening during a symposium around the same theme.