On Friday November 2nd 2018, eLaw, the Center for Law and Digital Technologies at Leiden University, successfully hosted a one-day conference on the new EU Data Protection Law that came into force earlier this year.

Labour law is constantly changing. Concurrently, the laws dealing with workers address fundamental issues which are invariably of major significance and value. The research carried out at the Department of Labour Law and Social Security focusses on both the (constant) changes in labour law and social…

Study information

Arabic and its Alternatives discusses the complicated relationships between language, religion and communal identities in the Middle East in the period following the First World War.

Bacteria whirl around in the mouths of most people, forming dental plaques and sometimes causing nasty gum infections. Treponema denticola might be a dangerous pathogen, but not much is known about this bacterium. It was up to Ariane Briegel and her research group to change that.

Lidstaten negeren steeds vaker gemaakte afspraken wanneer het hen uitkomt, waardoor de grondbeginselen van de VN meer dan ooit onder druk komen te staan. In een recente VN-spoedvergadering hekelde topman Guterres de lidstaten en zei dat ‘het handvest geen menu á la carte is.’ Niels Blokker, emeritus…

Various researchers from Leiden University have been awarded NWO (Dutch Research Council) Open Competition funding. Nine social sciences and humanities projects will receive the funding.

On Tuesday 24 April 2018, Nick Clegg, who served as Deputy Prime Minister of the United Kingdom, gave a guestlecture to first year students public administration about the profound dilemmas on Brexit. The lecture was part of a political science course within the Bachelor Public Administration of Leiden…

The research profile area Interaction between Legal Systems has a multidisciplinary approach and aims to inspire innovative research. Out of all the proposals put forward, three winning projects have been selected for the forthcoming research period 2016-2020.

Did the Jochids leave their mark on the Grand Duchy, taking into account that the Lithuanian state was one of the main successor states of the Great Horde in the 16thCentury?

In September 2023, we will be transforming a under-utilised outdoor space into a greener and more biodiverse garden in which all students and staff of the Schouwburgstraat can relax and enjoy.

Deze onderzoeksgroep richt zich op het thema ondermijning en financieel-economische criminaliteit, in het bijzonder de aanpak ervan op een aantal deelterreinen.

This article by Malte Reimann and Antonio Cerella explores how politics and medicine have become deeply intertwined, using the thought of Roberto Esposito to reimagine this relationship through the lens of an affirmative biopolitics.

Experts, including Reijer Passchier, Professor of Digitalisation and the Democratic Constitutional State (OU) and Assistant Professor of Constitutional Law, have warned in an opinion piece in ‘de Volkskrant’ that the Netherlands must act swiftly to prevent DigiD from coming under American control.

Political parties want to reduce labour migration, but without harming the Dutch economy. Is that actually possible? Olaf van Vliet, Professor of Economics, spoke to public broadcaster NOS about the pros and cons of restrictive measures.

The European Commission sees increased labour migration as a solution to the growing personnel shortages, but the Dutch Labour Inspectorate argues that this is not a tenable business model. Professor of Economics Olaf van Vliet discusses the advantages and disadvantages of labour migration for the economy…

The Young Academy Leiden (YAL) is an initiative of the Leiden members of The Young Academy of the Royal Netherlands Academy of Arts and Sciences. It fits very well with the recommendations issued by the working group Rankings and Toptalent last year in their report on academic excellence and talent…

The Dutch Government recently announced measures to limit the loss of purchasing power. These include, for example, raising the minimum wage and healthcare benefits. Another way for households to maintain purchasing power is to work more. Olaf van Vliet, Professor of Economics, explains the effects…

On Friday 24th March, Prof. Amanda Perry-Kessaris (Kent Law School) ); who was here for the lecture ‘Exploring the economic life of law with sociological imagination, visual methods and experimental attitude’, Leiden Socio-Legal Lecture Series, as a part of ILS 2.0, gave a short workshop on data visualisation…

Researchers from the Department of Economics and the Institute of Public Administration – Olaf van Vliet and Lars van Doorn – have been awarded a grant of 430,000 euros from Instituut Gak to analyse the flexibilisation of the labour market and its implications for social policy.

Technological developments never stop. Machines can already perform many tasks and in the future they will probably take over even more of the work we do. Which jobs could disappear and which will remain in the future? Olaf van Vliet, Professor of Economics at Leiden Law School, commented on these issues…

In Dutch the public arena, there’s talk of curbing labour migration. Which options do the Dutch have? Olaf van Vliet, Professor of Economics at Leiden University, discusses this issue in Dutch daily newspaper NRC.

EU migrants receive less frequent and lower benefits and allowances than Dutch citizens. This is according to research by Leiden economists Olaf van Vliet and Eduard Suari Andreu published as part of the Social Citizenship & Migration research programme. The research is discussed in Dutch newspaper…

What would happen if families with little money were to receive an extra amount every month with no conditions attached? Would it help with their worst financial problems? In order to find out, the municipality of Amsterdam will conduct an experiment with 300 families over the next two years. During…

A recent study shows that immigrants in the Netherlands earn 15 per cent less on average than their colleagues without a migrant background. Olaf van Vliet, Professor of Economics, comments on this pay gap in ‘de Volkskrant’ newspaper.

On Thursday 21 February 2019, the successful event ‘Interaction between Legal Systems 2.0: Reflections at the halfway point’ took place. The day’s events brought together the ILS 2.0 research profile areas of ‘SOLID: Solidarity Under Strain’ and ‘Policing the high seas: maritime law enforcement’.

Edmund Flett, alumnus of the International Relations master's programme, has won the 2023 J.C. Baak Prize for his thesis ‘Settlements now, settlement later. Land swaps, settler relocation, and the viability of the two-state solution in Israel-Palestine’.

Labour migration is an important theme in the Dutch general election to be held this month. Olaf van Vliet, Professor of Economics, spoke to public broadcaster NOS about policy options related to migrant workers.

Youth unemployment in the Netherlands has risen sharply in recent years, though many vacancies cannot be filled. Olaf van Vliet, Professor of Economics, spoke to NU.nl about the issue: ‘Youth unemployment has consistently been higher than the overall unemployment rate.’

Of the 3,750 participants from 100 schools, only 75 students made it to the final stages of the Economics Olympiad in The Hague. On 1 April, they gathered in the new Spui Campus to compete in the national final.

The Covid-19 'infodemic' and conflict resolution by internet platforms.

Melanie Fink, Postdoctoral Researcher at the Europa Institute of Leiden University, has published her book Frontex and Human Rights, Responsibility in 'Multi-Actor Situations' under the ECHR and EU Public Liability Law. This work is based on her doctoral dissertation, which she defended in December…

At the 66th Ordinary Session of the Authority of ECOWAS Heads of State and Government held in Abuja, Nigeria, on 15 December 2024, a landmark decision was made to establish the Special Tribunal for The Gambia.’ (Press release by the Ministry of Justice of The Gambia)

This is the Board of Advisors of CompaRe.

On June 16, 2025, the Institute of Political Science at Leiden University hosted a panel debate about the ongoing mass student-led protests in Serbia. The protests have shaken the increasingly illiberal regime in Serbia to its core and have grown into the largest student protests in Europe since 196…

The monthly ILS Lunch Seminars bring together colleagues and students from Leiden Law School, by providing an informal setting to hear what researchers from other research programs and institutes are working on. On Thursday 19 April the next edition of the ILS Lunch Seminars takes place, featuring presentations…

On June 9-10 2016 Dr. E. Devroe of the Institute of Security and Global Affairs (ISGA) was invited as a key-note speaker on ‘Intelligence Led policing and community oriented policing’ at the annual meeting of the ‘Organization for Security and Co-operation in Europe’ (OSCE), Transnational Threats Department,…

PhD defence

The cultural sector, shut down by the corona pandemic, must urgently look for new ways to generate income.

The occupation of the Afghan capital Kabul by the radical Taliban movement on 15 August 2021 received enormous international attention, not least because of the crisis that soon enveloped Kabul airport as desperate Afghans sought to flee the country on evacuation flights mounted by the United States…

The housing crisis is affecting a substantial group of Dutch citizens and is one of the main election themes this year. How did things get this far and what should the new cabinet do in the coming four years to address the problems? Three Leiden researchers give their answer.

The thesis “De publieke prijs. Een onderzoek naar de verdeling van publiek geld via prijsvragen” (The public prize. A study of the allocation of public funds by way of competitions) was awarded the faculty Jongbloed prize 2016-2017 on 12 January.

Award ceremony

EU-landen werken aan een gezamenlijk en strenger asielbeleid om verschillen tussen lidstaten te verkleinen en het asielbeleid beter te beheersen. ‘De kern van het pact is dat het asielbeleid nu echt Europees wordt’, zegt Mark Klaassen, universitair docent migratierecht, in EenVandaag.

The consequences of social tendencies for the legislation and institutions in the fields of social security, the labor market policy and pension reform are examined in this multdisciplinary research program..

The Leiden University’s Program for Cyber Norms, a research platform to investigate the development and implementation of law and policy applicable to uses of ICTs, in cooperation with the think-tank ICT4Peace conducted a global open consultation on how to implement the UN Group of Governmental Experts’…

Age of Rogues is a study of the frontier cultures of revolution that shaped the making of the modern Middle East. Rebels, revolutionaries, and racketeers played central roles in the violent process of imperial disintegration as it unfolded in the frontiers of the Ottoman, Habsburg, Romanov, and Qajar…

On 11 October 2019, the 5th CML Rev. on Tour conference took place in Paris, at the beautiful Salle des Conseils in Paris 2 Panthéon-Assas University.

This dissertation provides a novel perspective on the interaction between quantifier scope and ellipsis. It presents a detailed investigation of the scopal interaction between English negative indefinites, modals, and quantified phrases in ellipsis. One of the crucial observations is that a negative…

On 22 and 23 November 2018, the international conference ‘Safeguarding Children’s Rights in Immigration Law’ organized by the Institute of Immigration Law and the Department of Child Law took place at Leiden University. Currently, there exists tension between the idea that children deserve specific…