On 1 and 2 December 2022, Vincent Delhomme and Carina van Os participated (Europe Institute) in the workshop ‘The European Health Union - Setup, challenges and global outlook’, held at the Max Planck Institute for Comparative Public Law and International Law in Heidelberg. Vincent had the opportunity…

International trade has played a major role in defining the modern global economy. Trade, however, entangles the environmental pressures of economic sectors, giving the illusion of environmental improvements, while the opposite may be occurring.

In this 3-volume set of primary sources, Lionel Laborie and Ariel Hessayon bring together a wide range of vital sources for the study of prophecy in the early modern world. This meticulously edited collection includes rare material and fascinating manuscripts published in English for the first time.

On 20 October 2021 Michael Ramsden defended the thesis 'The Role of the United Nations General Assembly in Advancing Accountability for Atrocity Crimes: Legal Powers and Effects'. The doctoral research was supervised by Prof. N.M. Blokker.

The WARN project seeks to understand why certain warnings fail to reach and impact decision makers in time to avert crisis.

Intelligence scholars have been struggling to find the conditions under which international intelligence cooperation occurs. Most focus on transactional motives and guaranteed returns, the so called ‘Quid pro Quo’. At the same time, trust is often mentioned as one of the foremost conditions, yet it…

This subproject argues for a close and forensic reconstruction of financial flows to and from Soviet Central Asian republics in the postwar period.

The project investigates the changing local context of crime dynamics and the responses by selected international organizations and national governments. It places a major emphasis on security management at the trans-national level by investigating intra-regional security cooperation between Latin America,…

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

On 8 December 2017, the European Commission decided that the International Skating Union (ISU)’s eligibility rules, which impose severe penalties on athletes participating in speed skating competitions that are not approved by the ISU, are in breach of EU competition law.

In a modernist interpretation of migration controls, nation states play a major role. This book challenges this interpretation by showing that comprehensive migration checks and permanent border controls appeared much earlier, in early modern dynastic states and empires, and predated nation states by…

On 8 July, the Young Researchers Group of the European Banking Institute organised the 11th edition of the EBI YRG Virtual Workshop Session. Barbora Budinská presented her research on judicial review of national law applied by the ECB in banking supervision

Political scientists Joop van Holsteyn and Tom Louwerse (Leiden University) find that the Dutch government is having a hard time coping with referendum outcomes in general, and ‘anti-European’ sentiments among voters in particular.

On 10 February 2025, Vincent Delhomme attended the official launch of the new EU Health Union Fellowship at the College of Europe (Bruges), where he delivered a two hour lecture on EU health governance.

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.

Ludo Block wrote the eleventh chapter of the book 'Post-Crimea Shift in EU-Russia Relations: From Fostering Interdependence to Managing Vulnerabilities'. His chapter 'Business as Usual? Police Cooperation under a Cloud of Political Animosity' can be found on page 204 of the book.

The book 'The United Nations Convention on the Rights of the Child' is the result of the international academic conference – ’25 Years CRC’ – which was held in November 2014 in Leiden on the occasion of the 25th birthday of the UN Convention on the Rights of the Child.

This dissertation describes the history of the Ottoman county of Foçateyn as a case study of the process of transition from the Ottoman Empire to nation states.

In the upcoming Dutch general elections, the focus of the party campaigns is on national issues. Luuk van Middelaar, Professor of Foundations and Practice of the European Union and its Institutions, argues in a column in Dutch newspaper NRC that foreign policy should also be on the agenda.

The aim of this research is to understand the linking of crises for the combination of climate change and the COVID-19 pandemic.

EUROTYPES is a research project developed by political scientist Adina Akbik, for which she recently received a European Research Council Starting Grant. Her aim is to examine the impact of cultural stereotypes in European multi-level policy enforcement. One of EUROTYPES' innovations lies in its focus.…

This spring, Fordham Press will publish the book “Crimmigrant Nations: Resurgent Nationalism and the Closing of Borders”.

From 23-26 September 2019, Beryl ter Haar, assistant professor Labour Law, delivered the national report on 'cross border labour law in the Netherlands' at the at the XXXVI Pontignano Seminar with the theme: Worker´s mobility in the European Union: labour law perspective'.

Together with College of Europe Professors Sieglinde Gstöhl and Simon Schunz, Joris Larik edited an interdisciplinary special issue for the Journal of European Integration on the theme 'The European Union and the Governance of Contested Global Spaces in an Era of Geopolitics'.

On Wednesday the 30th of November, International Business Law celebrated its fifth anniversary together with students of the study association SBR (also celebrating their fifth anniversary), lecturers, alumni and staff members. The event mainly revolved around the question of what Brexit will imply…

The Dutch House of Representatives is deeply divided about the contested trade agreement between the European Union and Canada (Ceta). The economic figures are favourable in relation to Ceta, which has led to the removal of 98% of the import tariffs. Imports from and exports to Canada have both soared…

On 20 November, Special Professor of United Nations Studies in Peace and Justice, Alanna O'Malley, presented her research agenda for the next 3 years. An ambitious agenda full of projects to gain more insight into the origin and functioning of the UN.

National Week Withouth Meat: March 9th-15th @ Leiden University PURE restaurants

The Europa Instituut of the University of Leiden and the British Institute of International and Comparative Law annually organize a conference to discuss current developments in European Union Law.

Psychologists Fenna Poletiek and Erik de Kwaadsteniet have received a grant from the FNV trade union to research people’s attitude to work if they receive a basic income. How do they plan to find answers?

On 1 September 2022 Güldeniz Kibris successfully defended a doctoral thesis and graduated.

Valentina Carraro gave a presentation titled "Strengthening the Human Rights Council and the UN Treaty Body System" at the 'Reinvigorating the United Nations' Conference organized by the Diplomatic Academy in Vienna on January 27th and 28th. During the conference Valentina presented her research on…

To what extent are there differences between countries in and outside the European Union and the Schengen area in the level of crimmigration, the merger between migration control and crime control, and to what extent can these differences be explained by the way in which state and non-state actors in…