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

This book asks what it means to think globally about world politics. In an attempt to contextualise the recent ‘globalising turn’ in International Relations (IR), it takes stock of more than 30 years of efforts at addressing IR’s Eurocentric limitations, and explores what ‘thinking globally’ means in…

Neanderthals and modern humans in Belgium, a bone story

Political scientist Wouter Veenendaal (Leiden University) provides an in-depth case study of clientelism in Malta, the smallest member state of the European Union. He reveals that not only that patron–client linkages are a ubiquitous feature of political life in Malta, but also that the smallness of…

This dissertation provides a comprehensive overview of the grammar of Bantawa, a Kiranti (Rai) language spoken in Eastern Nepal.

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…

In this paper, Kantorowicz argues that reverse party favoritism exists. He exploits the fact that during the SARS-CoV-2 pandemic crisis, the Polish government was keen to launch postal voting in the presidential elections scheduled for May 2020.

Never has good policy been so important. From unemployment and a lack of affordable housing to regulating cryptocurrencies and protecting against cybersecurity threats, the challenges we face are complex and global. The text explains how policymaking works: from the emergence of policy ideas to deciding…

This coming June and July, excavations will continue at the Aguas Buenas archaeological site.

On Friday 3rd February 2017 Leiden University hosted a PhD colloquium in conjunction with the University of Liverpool and the University of Oslo, on the topic of ‘Law and Politics in the European Union’. As part of the Interaction between Legal Systems 2.0 project, the colloquium presentations focused…

Why obey the state? Dorota Mokrosińska presents a fresh analysis of the most influential theories of political obligation and develops a novel approach to this foundational problem of political philosophy, an intriguing combination of the elements of natural duty and associative theories.

The research project MAXCAP: Maximizing the integration capacity of the European Union: Lessons and prospects for enlargement and beyond starts with a critical analysis of the effects of the 2004-2007 enlargement on stability, democracy and prosperity of candidate countries, on the one hand, and the…

How did parties as political organizations emerge?

Niels van Willigen (Institute of Political Science, Leiden University) puts Dutch participation in UN peacekeeping into an historical context. He analyses the reasons for the Dutch withdrawal from the 1990s onwards, and explores the obstacles and opportunities for a structural return. Van Willigen argues…

The European Council and the European Commission have a similar role in agenda setting. Both place issues on the EU agenda. However, these institutions have distinct designs. They have different political attributes (the European Council has considerably more political authority) and information-processing…

On 22 February 2017 political scientist Tim Mickler (Leiden University) defended his dissertation on the structure, composition, and working of parliamentary committees. He was awarded the exceptional predicate 'cum laude'.

The Institute of Political Science is a vibrant department with nearly 70 academic staff in Leiden and nearby The Hague.

Leiden Asia Centres

At the Institute of Political Science we value our alumni. We can learn from you, and would like to contribute to your further development. And, of course, we want to lend a hand in connecting ‘our’ political scientists all over the world.

Understanding the evolving landscape of extremism in the 21st century.

Profile Area Political Legitimacy, Leiden University

Under what circumstances do paramilitary groups limit their use of political violence? This article examines the use of political violence by the PIRA.

After an initial suggestion of a move toward Israel, India’s Prime Minister Modi has signaled a significant recalibration of his government’s engagement with the Middle East region. Now, India seems to be prioritising strong ties with the Gulf states.

Are you thinking about studying Political Science? Watch the introduction video’s and learn more!

We are very happy to welcome you to spend the fall semester, spring semester or full academic year studying with us at the Institute of Political Science Leiden or campus The Hague. Here you will find practical information as an exchange student.

Furious protesters in Budapest and other Hungarian cities demand the departure of Prime Minister Viktor Orbán. The reason for the large-scale protests is the adaptation of the labor law, especially lucrative for German companies and investors, by the Hungarian prime minister.

Leiden University takes part in several European research and education projects.

This paper, written by Silvia D'Amato & Andrea Terlizzi, investigates the extent to which the European Union is strategically engaging against terrorism.

In what ways do historical and current events affect how we should judge the legitimacy of political authorities?

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.

Set up in 1991, this unique project aims to identify and describe the common lexical heritage of the most important Indo-European languages and language branches. The project has thus far resulted in twelve volumes published as The Leiden Indo-European Etymological Dictionary Series (Brill, Leiden).

This book is the first comparative study of estimative intelligence and strategic surprise in a European context, complementing and testing insights from previous studies centred on the United States. It does extensive empirical analysis of open-source material and interviews in relation to three cases…

The European Parliament is set to vote on the approval of the new Commission, and some Parliament members have already expressed concern over the controversial appointment of Olivér Várhelyi to the role of commissioner. Armin Cuyvers, Professor of European Law, discusses this issue in Dutch financial…

The center studies the many ways in which issues of law and justice are dealt with in art and literature with a focus on liminal issues and cases. These are issues and cases where law comes to the limits of what it is capable of dealing with and art and literature explore the implications of what is…