Acquiring and maintaining public support is frequently cited as an important requirement for governments fighting non-state actors. But how exactly can public support influence the course of counterterrorism campaigns and thereby contribute to an escalation or de-escalation of violence?

On 24 juni 2021, Jing Zhang defended his thesis 'The Rationale of Publicity in the Law of Corporeal Movables and Claims'. The doctoral research was supervised by Prof. H.J. Snijders and J.A. van der Weide.

After an terrorist attack, tough talk often follows. However, this is not the case with prime minister Arden in New-Zealand, says Jeanine de Roy van Zuijdewijn, researcher at the Institute of Security and Global Affairs to the NOS.

Researchers Dr. Natascha van der Zwan and Dr. Philipp Golka from the Institute for Public Administration have started an evaluation of Dutch pension funds at the request of the Monitoringcommissie Code Pensioenfondsen. Focus of the evaluation is the role of internal supervision in ensuring good governance…

Source: J Cheminform, Volume 6, Issue 1 (2014)

In an interview on the website of the NWO, Sabine Luning, Marjo de Theije and Esther van de Camp talk about the gold miners they met in various African and South American countries and they come to new insights.

On March 7, 2019, the Hazelhoff Centre for Financial Law organised a mini-seminar on ‘Asset segregation in the financial sector’. During this meeting a number of experts, both practitioners and academics, gave a presentation on a topic in the field of asset separation. All the participants were also…

Binnen de Faculteit der Sociale Wetenschappen (FSW) vinden op 1 april 2026 twee wisselingen van de wacht plaats. Shelley van der Veek wordt de nieuwe directeur onderwijs van het Instituut Pedagogische Wetenschappen. Carlijn Bergwerff, afzwaaiend directeur onderwijs van het instituut, verhuist naar het…

Courses in English.

It is well known that photography means writing with light. However, the meaning of “with” can be ambiguous. Film can be exposed outside of the camera. Historically, people have done so to render visible other forms of radiation than what we call light. In mid-2013, Andrew Littlejohn took several rolls…

De plannen van het kabinet-Schoof om een langstudeerboete zorgt voor veel ophef. Promovendus Joris van de Riet schreef een opinieartikel erover voor Trouw. Zijn argument is dat een langstudeerboete desastreuze gevolgen kan hebben voor studentenverenigingen.

From 24 March 2021, Professor Luuk van Middelaar will deliver four public lectures on 'Geopolitical Europe: Acts and words' at the Collège de France in Paris, on the invitation of the Chairholder on International Institutional Law, Professor Samantha Besson.

A new chapter has been added to the ongoing discussion on Islamic schools in the Netherlands. Dutch television programme ‘Nieuwsuur’ and Dutch newspaper NRC conducted research into approximately 50 Islamic educational institutions which do not take part in the conventional Dutch educational system.…

In Dutch magazine De Psycholoog, Anne-Laura van Harmelen talks about the impact traumatic experiences, especially for those who are growing up.

The Dutch Tax Authorities leaked information about an international tax audit to Uber. In addition, they ‘obstructed and delayed’ an investigation by other EU Member States, says the International Consortium of Investigative Journalists (ICIJ) based on internal documents from the tech company.

Digitalisering ondermijnt de democratische rechtsstaat en verschuift macht van parlementen naar Silicon Valley, waarschuwt Reijer Passchier, hoogleraar digitalisering en beginselen van de democratische rechtstaat (OU) en docent staatsrecht in Leiden, in een podcast van de Publieke Ruimte.

This liber amicorum is a tribute to Prof. dr. ir. Hans H. de Iongh, associate professsor at the Institute of Environmental Sciences (CML) of Leiden University and guest professor at the University of Antwerp, on the occasion of his retirement on 27 October 2016.

Reasserting America in the 1970s brings together two areas of burgeoning scholarly interest.

On the 23d of May, Sanne Rotmeijer successfully defended a doctoral thesis. The Leiden University Centre for Linguistics congratulates Sanne on this achievement!

Government impartiality is considered a core feature of quality of government, and one that leads to favorable macro‐level outcomes. We have limited knowledge, however, of how impartiality affects citizens' perceptions of public service quality. In particular, we do not know how the impacts of impartiality…

Providers of telephone, internet or data centers can be seen as companies of vital importance because of their national importance. This comes as no surprise. In the Netherlands, additional legislation was deemed necessary to protect national security and a legislative proposal was presented in April…

The 21 universities of the League of European Research Universities have an enormous economic impact: more than 900,000 jobs and 71.2 billion euros in 2014. Each job at a member university results in 6 jobs elsewhere. Leiden University is a member of the League.

It is often said that the links between political parties in Africa and their voters are clientelist, rather than programmatic. The familiar image is that of African ‘big men’, displaying personal wealth while being respected and celebrated in the community for sharing their riches. Yet, political scientist…

Jeanine de Roy van Zuijdewijn teaches the masterclass terrorism 2018 together with Edwin Bakker. Read the interview here.

On 22 November 2018, Teico Sikkema defended his thesis 'Beginsel en begrip van verdeling'. The doctoral research was supervised by Prof. mr. W.G. Huijgen and Prof. dr. F. Sonneveldt.

Wat betekent belastinghervorming in de VS? Hoe groot is de invloed van belastingontwijkende multinationals op belastingconcurrentie in ontwikkelde en ontwikkelingslanden? En wat zijn de problemen met belastinguitgaven? Op 7 november vindt een GLOBTAXGOV-T20-seminar plaats op de Campus Den Haag van de…

Het Internationaal Strafhof (ICC) in Den Haag bestaat sinds 2002, met als kerntaak het vervolgen van personen die verdacht worden van genocide, misdaden tegen de menselijkheid en oorlogsmisdaden. Wat zijn we opgeschoten met bijna twintig jaar ICC? Promovenda Marieke Wierda onderzocht de impact van het…

Researcher Lianne Visser has been awarded the G.A. van Poelje Prize for the best dissertation in public administration of the past year. It is a renowned award for doctoral research in public administration in the Netherlands and Belgium.

Political scientist Maurits de Jongh (Leiden University/Sciences Po) argues that political liberalism is self-defeating as a framework of justification for liberal conceptions of justice. He explores how the framework's self-imposed criterion of acceptability in the eyes of all reasonable citizens leads…

Paisaje, cerámicas e interacciones

This research aims to address the relationship between cinema and political thought in Latin America, in order to question a limited understanding of cinema politics, which has dominated the field of study since the middle of the last century, and to propose a different one that we will call politics…

Is the quality of the current supervision and enforcement by the government such that companies that work with large quantities of hazardous substances are brought into compliance with legislation and regulations?

Die Aufführungspraxis italienischer Instrumentalmusik in der Auseinandersetzung mit Vokalmusik und Text: Quellen und moderne Umsetzung

Why is there not just one single global law for cases of defamation in cross-border communication mediums such as the internet? Which courts are to be called on in such cases? And is it permissible to hold an intermediary instead of a content provider liable?

Iconografía, epigrafía e historia en los monumentos arqueológicos

Inaugural lecture

Grote technologiebedrijven hebben zoveel macht dat ze functioneren als staten zonder democratische controle. Volgens Reijer Passchier, universitair docent staatsrecht en hoogleraar digitalisering en de democratische rechtsstaat (OU), vormt dat een groeiend risico voor de rechtsstaat en vergroot het…

The EEA enforcement system includes, in particular, the mechanism pursuant to Article 111 EEA for the settlement of disputes between the Member States with respect to the interpretation and the application of EEA law.