Discover the new MSc in Public Sector Economics at Leiden University, offered entirely in Dutch. This program prepares future policy economists by bridging economic theory, Dutch institutions, and real-world policy challenges. Starting September 2025 in The Hague, it focuses on key issues like inequality,…

Are you thinking about studying Management van de Publieke Sector: Bestuur en Advisering?Learn more and watch the videos. Please note that this programme is taught in Dutch.

Are you thinking about studying Management van de Publieke Sector: Politiek, Beleid en Management? Learn more and watch thevideos. Please note that this programme is taught in Dutch.

On 3 November 2021, Lucas Noyon defended the thesis 'Strafrecht en publieke opinie'. The doctoral research was supervised by Prof. J.H. Crijns and Prof. J.W. de Keijser.

Jelke Bethlehem (Leiden University, Institute of Political Science) gives an overview of many aspects of polls: questionnaire design, sample selection, estimation, margins of error, nonresponse and weighting. As such, it is useful both for readers who want to gain a better understanding of the ins and…

The new Master’s programme in Public Sector Economics (MSc Economics) prepares you to become the policy economist of the future. The programme enables you to bridge the gap between economic theories, scientific methods, the functioning of Dutch institutions and policy processes, as well as current societal…

Article in the journal Irish Political Studies discussing the challenge of aggregating opinion polls and presenting a method to better model major sudden political and societal events. This can can enhance opinion poll reporting in the media.

This dissertation explores how Large Language Models (LLMs) can effectively and responsibly contribute to complex decision-making processes. By combining AI and human intelligence, Hybrid Intelligence (HI) emerges, allowing the strengths of both humans and machines to be utilized.

It is a tragic fact that mass atrocities have been, and are being, committed across the world. The international community, while condemning these acts, often stands idly by. This conundrum raises a host of empirical, legal, and normative questions regarding the role of public opinion in responding…

On 8 July 2020, Andres Sarmiento Lamus defended his thesis 'The Proliferation of Dissenting Opinions in International Law'. The doctoral research was supervised by Prof. L.J. van den Herik and Prof. Y.A.A.S. Radi (UCLouvain).

How do European Dutch think about Kingdom relations? There are all sorts of assumptions about this, but due to a lack of research, we do not really know. That is why, as part of his Chair in Kingdom Relations, Wouter Veenendaal commissioned a thorough opinion survey on Kingdom Relations among European…

This research cluster is a part of the Institute of Political Science’s research programme ‘Institutions, Decisions and Collective Behaviour’.

PhD defence

Inaugural lecture

Dr. Gruni published an article on the impact on sustainable development in the EU Common Commercial Policy of recent Opinion 2/15 CJEU on the Global Trade and Customs Journal.

Minister Wiersma heeft circa vijftien informatieverzoeken, over de hoeveelheid vee en de locaties van stallen van veehouders stilgelegd. Universitair hoofddocent Staats- en bestuursrecht, Annemarie Drahmann, stelt in het NRC dat de wet verplicht dat dergelijke milieugegevens openbaar moeten worden g…

Lecture

Ben Kuipers is benoemd tot hoogleraar Publiek Leiderschap bij FGGA. De leerstoel Publiek Leiderschap (0,2 fte voor een periode van vier jaar) wordt extern gefinancierd vanuit het samenwerkingsverband VPL (Verder met Publiek Leiderschap) en is ingebed in het Leiden Leadership Centre (LLC)

On 24 April 2025, political scientist Pawan Kumar Sen will defend his PhD dissertation,

This article studies the perceived legitimacy of EU enforcement actions.

In this paper, the authors study how individual and country-level variables interact in affecting political gender attitudes in Europe.

Here you can find an overview of all our publications.

Recently, a pro-Palestine demonstration was held outside the National Holocaust Museum in Amsterdam during its opening, which was being attended by President Herzog of Israel. Wilders’ response? ‘It smells like a political campaign by the far-left mayor of Amsterdam. Irresponsible.’

On 29 November Mariana Gkliati published an opinion piece in the Greek newspaper EFSYN, on the reorganisation of the greek asylum committees.

This study adds nuance to the empirical literature that interrogates the link between exposure to mass violence and post-conflict justice preferences.

Voting Advice Applications represent popular election campaign tools in many countries, enabling voters to discover which party or candidate provides the best match with their political preferences. Political scientists Martin Rosema (University of Twente) and Tom Louwerse (Leiden University) examine…

The first global safety summit on Artificial Intelligence is a fact. Prime Minister Sunak organised the conference because he believes that the issues related to AI can only be dealt with by governments. But the real issue with AI remained undiscussed at the summit, Reijer Passchier claims in Dutch…

Festschrift for Prof. Dr Raymond H.A. Corbey in celebration of his 70th birthday

Vanuatu, an island nation in the South Pacific, announced last month that it will seek an opinion from the International Court of Justice to clarify the legal obligations of all countries to prevent and redress the adverse effects of climate change.

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.

In this article, Dimiter Toshkov investigates the determinants of COVID-19 vaccine hesitancy and refusal, focusing on Eastern, Southern and Western Europe.

On May 27th 2016 an inaugural lecture was held by prof. dr. Sandra Groeneveld entitled: ‘Het belang van bureaucratie. Omgaan met ambivalentie in publiek management’.

On 12 June 2025, Advocate General Ćapeta delivered her Opinion in WS and Others v Frontex, a Grand Chamber case currently pending before the Court of Justice of the European Union. The case concerns a Syrian family that was returned to Turkey in what is arguably a violation of the principle of non-refoulement…

Are you curious of how the university and the faculty work? Read more about that on this page.

In the thesis the dynamics of strategies is studied from two perspectives.In the first part of the thesis strategies are considered to be opinions present in a community.

Tobias Müller, post-doctoral researcher in the field of Terrorism and Political Violence at ISGA, writes how together, religious groups and scientists can be a powerful force for a liveable planet.

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

Implementing all kinds of change and introducing new structures, far-reaching rules and administrative systems may sometimes seem to distract an organisation from its purpose. Furthermore, there is growing recognition of the need of staff of public organisations to find more meaning in their work: the…

On the 3rd of April, Sebastiaan van der Lubben successfully defended a doctoral thesis. The Leiden University Centre for Linguistics congratulates Sebastiaan on this achievement!

This study helped to identify and summarize how value-based healthcare (VBHC) is conceptualized in the literature and implemented in hospitals. Furthermore, an overview was created of the effects of both the implementation of VBHC and the implementation strategies used.

The asylum seekers’ centres in Hengelo, Almelo and Schalkhaar caused little or no nuisance in recent years. There have been hardly any incidents, according to information received by Dutch regional TV channel RTV Oost. However, Maarten Offinga, Mayor of Hardenberg, sounded the alarm with the state secretary…

Three new ministries have been formed in the Netherlands: Asylum and Migration, Housing and Spatial Planning & Climate and Green Growth. Of course, this is not merely an administrative act. These ministries carry a strong and political charge and play a crucial role in shaping a government's political…