Promotores: H.A. Udo De Haes, P.M. Brakefield

Political Scientist Katharina Natter (Leiden University) advances theory-building on immigration beyond the liberal state and demonstrates how immigration politics can provide valuable insights into the inner workings of political regimes. Connecting scholarship from comparative politics, international…

Why does one person radicalize to involvement in terrorist violence within a group-based context, while another engages in this form of violence alone?

This thesis is a sample-based typological study of formal and semantic patterns in terms for a selection of referring (

This paper written by Alexandre Afonso, Assistant Professor and Researcher at Leiden University, argues that gender norms and the political strength of the left were important structuring factors regarding why European countries choose migrant labour to expand their labour force in the decades that…

In the last two decades, there have been heated public and scholarly debates in France, the United Kingdom, and the Netherlands on the violent end of empire. Nevertheless, the broader comparative investigations into colonial counterinsurgency tend to leave atrocities such as torture, execution, and…

On 13 October 2023, the third PhD day organised within the context of the research theme Institutions for Conflict Resolution (COI) took place in Leiden. COI is a collaboration between Leiden University, Utrecht University, and Radboud University Nijmegen that serves to implement the Netherlands Sector…

What are the conditions under which coercive diplomacy can compel a State to abandon its nuclear weapons program?

Subproject of

The proposed project evaluates how the vulnerability of migrant men and women was constructed in political, public and media discourses, and how differences in the constructed vulnerability influenced the decision to migrate, the migration process, and the subsequent settlement process.

In 2019, Aliaksandr Lukashenka marks a quarter of a century as the first, and so far only president of the Republic of Belarus. This new book by Dr. Matthew Frear, Assistant Professor of Russian and Eurasian Studies, offers the most up-to-date analysis of government and politics in a country usually…

The Institute of Criminal Law and Criminology conducts extensive research on imprisonment. Sending a person to prison is the most severe form of punishment that can be applied in the criminal justice systems of European countries. In most countries, the number of prisoners has risen in recent decades.…

Nowadays, most Europeans speak a language belonging to the Indo-European language family. However, very different languages were spoken on our continent before the arrival of the Indo-Europeans. The EUROLITHIC project tries to find answers to the question which languages these were and where they came…

In this thesis, I investigated the neurogenetic properties of Neotropical bat species. Bats represent the second largest mammalian order (Chiroptera) in the world, with Neotropical bats constituting about 13% of the total number of bat species.

In this article, Gerrit Dijkstra and Jos Raadschelders from the Institute of Public Administration, argue that Bosnia-Herzegovina survives so far on the basis of negative legitimacy.

Provides a cutting-edge comparative political economy analysis of welfare and inequality across ten East Asian countries.

This conference explores the potential of regional collaboration for meeting some of the key challenges facing our world today, and to do so in a smarter and leaner way than ‘just’ copying the EU model. It does so in the context of CompaRe, the Leiden Jean Monnet Centre of Excellence on comparative…

During an Erasmus+ research stay in Rwanda, Frederik Behre gave several guest lectures to bachelor's and master's students enrolled in the various law programmes of the University of Rwanda. In the course of his four-week research stay, Behre organised a series of highly interactive lectures with the…

In an academic workshop at University of California, Davis School of Law on 26 April 2019 Jelle Nijland and Tim Verdoes presented the preliminary results of the research they conducted in cooperation with Thy Pham and Maaike Lyklama a Nijeholt. The aim of the workshop was to facilitate an in-depth comparative…

A joint global research project, “New Bank Insolvency Law for China and Europe”, which started in 2014, is nearing its completion. China University of Political Science and Law (CUPL, Beijing, China) and Leiden Law School’s Hazelhoff Centre for Financial Law are finalizing an innovative joint research…

Kyra van der Moezel defended her thesis on 7 September 2016.

Through a range of case studies spanning the post-Cold War period in Iraq, Moldova and Serbia, this book studies asymmetric conflicts where warring sides exhibit vast power differentials.

On 1 December 2020, Bernadette Muscat defended her thesis 'Insolvency Close-out Netting: A comparative study of English, French and US laws in a global perspective'. The doctoral research was supervised by Prof. M. Haentjens and Prof. B. Wessels.

In the present-day United States, to what degree(s) are far-right men and women similar and/or dissimilar in their motivating factors for engaging in far-right social movement activism?

The VICI research project Citizenship Discourses in the Early Middle Ages, led by Els Rose (Universiteit Utrecht), published a new book: Els Rose, Robert Flierman en Merel de Bruin-van de Beek, red., City, Citizen, Citizenship, 400–1500. A Comparative Approach (Londen: Palgrave-Macmillan, 2024). It…

Many adults and juveniles who are in prosecuted in criminal courts also have financial problems. This applies to almost one third of probation cases and around 60% of all prisoners.

After the 2022 conference on Courts as an Arena for Societal Change in Leiden, COI researchers collaborated with conference attendees to publish a special issue of the European Law Journal covering diverse aspects of the evolving role of courts in addressing environmental and climate issues.

On 9 March 2023, the Council for the Judiciary organized a conference on innovations within the judiciary, which took place in the building of the Dutch Supreme Court. The central conference theme was judicial innovation and what we can learn from various forms of socially effective justice (‘maatschappelijk…

PhD students in the Institutions for Conflict Resolution (COI) research group attended a PhD Skills Lab to develop empirical legal publication expertise.

This book is a first comparative study of the Nuni dialects.