On 10 February 2022, Christian Mommers defended the thesis 'Voluntary return and the limits of individual responsibility in the EU Returns Directive'. The doctoral research was supervised by Prof. P.R. Rodrigues and Prof. P. Boeles.

On Wednesday 3 September 2025 Yu Ai successfully defended a doctoral thesis and graduated.

How do we balance policy critique with constructive policy recommendations? How do we navigate power relations between policy makers and (disadvantaged) communities, without estranging either? And what are particularly productive methods for translating our medical anthropological insights into poli…

Criticism from doctors in the Netherlands about the policy to combat coronavirus is becoming louder. A letter raising their concerns was signed by one thousand doctors. It calls for a new debate on the current measures to deal with the crisis which were recently tightened. Supporters of the letter believe…

How interest groups, differences in policy issues and institutional differences between countries affect whether public opinion is translated into policy?

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The question of how military interventions can best transition to a long term counter-terrorism policy forms the core research question of three interlinked reports. This research project has been completed with support of NATO’s Science for Peace and Security Programme. Leiden University researchers…

This article 'Shaping the European External Action Service and its post-Lisbon crisis management structures: an assessment of the EU High Representatives’ political leadership' assesses the role, influence and core aspects of the EU High Representatives’ (HR/VPs) “political leadership” in the context…

On 16 November 2023, Dr Joris Larik gave a presentation in the framework of the webinar series of the Centre for Inclusive Trade Policy, a UK-based centre of excellence for innovative trade policy research. Dr Larik's presentation was entitled 'Virtuous rivalry? The EU’s and UK’s normative trade policies…

On Monday 25 September, Marion Collewet, Matthew di Giuseppe, Jarek Kantorowicz, and Hendrik Vrijburg presented their reseach on 'Building Northern Public Support to Finance Climate Policies in the Global South' during a GTGC lunch seminar.

One of the ECSL’s most prominent activities is the ECSL Summer Course on Space Law and Policy, welcoming students at all academic levels as well as select young professionals currently active in the space or related sectors. Now in its 33rd year, the course has built a vast global network of alumni.

In his new book 'The Politics of Borders', Leiden political scientist Matthew Longo redefines the concept of a ‘border’.

John Kroes received a royal honour from Leiden deputy mayor Julius Terpstra on 20 November. He was appointed Knight of the Order of Orange-Nassau for his exceptional services to the university and his extensive voluntary work for organisations in Leiden and The Hague.

LUCIR (Leiden University’s Centre for International Relations), in cooperation with ISGA (Institute of Security and Global Affairs) and GTGC (Global Transformations and Global Challenges Initiative), will host a conference on 2 and 3 December 2021 about the lessons that may be learned from Afghanistan.…

Consensus among Member States on the return of failed asylum seekers is currently lacking. For that reason, the Head of the European Commission, Ursula von der Leyen, wants new legislation that provides for a uniform policy. Armin Cuyvers, Professor of European Law, commented on the issue on Dutch radio…

Linguistic Choices in the Contemporary City focuses on how individuals navigate conversation in highly diversified contexts and provides a broad overview of state of the art research in urban sociolinguistics across the globe.

Due to its economic prosperity, its policy of (relative) religious tolerance, and its large numbers of migrants, the Dutch Republic has long had a reputation of being the prime example of ‘tolerance’, especially during the seventeenth century. Although the great variety of newcomers in the Dutch Republic…

Eva Michaels & Monika Sus examines European Strategic Autonomy (ESA) as the EU’s response to the fragmentation of the Liberal International Order.

This project aims to explore, in general, what explains civil servants’ attitudes and behavior, and, in particular, why some civil servants are more committed to professional norms and public service values – such as impartiality, equity, efficiency, and innovation – than others.

Taking responsibility concerning colonial heritage and restitution is a pressing issue for countries and museums worldwide. On 23 and 24 May, a Leiden University interdisciplinary symposium will explore new perspectives as a basis for policies. Organising professors Carsten Stahn and Pieter ter Keurs…

Aid workers being summoned to appear before a court in Greece and more stringent rules for rescue boats in Italy. Is providing aid to asylum seekers being criminalised? There's no doubt about it, according to Joanne van der Leun and Peter Rodrigues.

Citizens, journalists and scholars notice that foreign policy in, and of, the European Union, is ‘de-Europeanising’. Political scientist Daniel Thomas (Leiden University) offers a theoretical exploration of the likely implications. He expects that it will become more difficult for the EU to achieve…

The Service Centre International Staff provides advice and different services to all international employees and guest researchers pursuing their academic careers in Leiden.

The 9th Network Europe Conference in Edinburgh was held at June 2017 in Edinburgh and organized by the Europa Institut Zurich. The contributions of the conference are now published.

The Journal of European Public Policy has dedicated this year’s Special Issue to the theme of European Union Enlargement and Integration Capacity, on the suggestion of Dr. Antoaneta Dimitrova, senior lecturer at the Institute of Public Administration of Leiden University. Moreover, the Special Issue…

One of the objections to the Comprehensive Economic and Trade Agreement between Canada and Europe (Ceta) is that countries would be surrendering national sovereignty to multinationals which will obstruct effective climate policy. But compared to other trade agreements, CETA is an improvement.

On 8 and 9 May Jorrit Rijpma, Associate Professor at the Europa Institute, participated in the workshop on a comprehensive feasibility study on an ASEAN common visa in Kuala Lumpur.

Eva Michaels & Monika Sus examine strategic autonomy in EU foreign policy, tracing evolution from the 1998 Saint-Malo Declaration to its current focus.

The article examines how Southern European member states' newspapers portray European irregular migration governance.

One Lecture about Immigrant Integration in the EU and its Member State at the Institute of European Studies at George Washington University, one class in a course on Immigration and Integration at Georgetown University, and a lot of judging in the international rounds of the Phillip C. Jessup International…

Dr. Moritz Jesse, Associate Professor at the Europa Institute, presented his paper ‘Building Bridges or Erecting Walls? – The Application of Equal Treatment and Non-Discrimination in Europe ‘ at the annual meeting of the Law and Society Association.

Boundaries in the collaboration between private and public interests are more blurred in the US than Europe, says Reijer Passchier, Professor of Digitalisation and the Democratic Constitutional State at the Open University and Assistant Professor in Constitutional Law in Leiden, in ‘de Volkskrant’.

On Sunday 18 June 2017 Melanie Fink, Postdoctoral Researcher at the Europa Institute, held a lecture on Schengen and the new European Border and Coast Guard Regulation in the framework of the ‘Open Doors’ Summer School on Migration, (Sea) Border Control and Human Rights.

Our East Asia experts work across various disciplines on global issues such as migration, heritage, and colonialism.

This dissertation investigates the rural communities of the Cananefates in the period of 50 to 300 AD.

The Dutch Public Prosecution Service (OM) will handle more criminal cases without involvement of the courts. The aim: more community service and fewer prison sentences. Jan Crijns, Professor of Criminal and Criminal Procedural Law, commented on the proposal in ‘Trouw’ newspaper.

At a symposium on 26 May, experts, staff and students from Leiden University will discuss what should happen with Rein Dool’s painting in the Academy Building and what the guidelines for the University’s exhibition policy should be. These issues will be explored from diverse perspectives during the…

This case study demonstrates how to design and effectively deploy a (survey embedded) conjoint experiment.

Theo van den Doel received his PhD in January for his research on veteran support. This showed that for long the government learned little from past missions. He has since presented his dissertation to the Lower House of Representatives, and the Minister for Defence, Kajsa Ollongren, has responded to…

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

How and when do interest groups organise themselves as transmission belts and what are the implications for their political relevance among public officials involved decision-making processes?

Political scientist Nicolas Blarel (Leiden University) analyses the background and implications of India’s prime minister Narendra Modi’s visit to Israel.

India’s prime minister Narendra Modi admires Israel’s achievements, but structural differences between Indian and Israeli national security situations, differences in the leaders’ worldviews and the absence of a common enemy inhibits stronger strategic rapprochement, argues political scientist Nicolas…

Globalization, migration, technological innovation and climate change pose challenges to citizens in European countries. These challenges test the limits of cross-national and cross-generational solidarities, touching upon the very foundations of governance and society. This research program aims at…

Stichting Migratierecht Nederland and the Europa Institute of Leiden University are jointly organising the conference ‘Children’s Rights and Migration’ that will take place in Leiden on 26 January 2023. Researchers, lawyers, judges, policy makers and other professionals from migration legal practice…