This book rigorously investigates the contemporary state of children's rights and the multifaceted challenges facing children, uncovering the complexities at their core.

CompaRe’s third virtual PhD roundtable was held on 29 March 2023. In attendance were the head of the centre, staff and PhD candidates. The roundtable focused on brainstorming a wide range of questions around the research process.

Does the political context (e.g., democracy vs. authoritarianism) influence what makes people perceive authorities as legitimate?

In the early modern period women played a prominent role in crime. At times they even made up half of all defendants. Female criminality was a typically urban phenomenon. Why do we find so many women before the Dutch criminal courts?

To what extent are there differences between countries in and outside the European Union and the Schengen area in the level of crimmigration, the merger between migration control and crime control, and to what extent can these differences be explained by the way in which state and non-state actors in…

Why do sexual violence policies still fail to systematically address men and masculinities, when the need for cultural change among men has been central in public debates since #MeToo?

Subproject of

This volume was edited by Jeroen Duindam, Jill Harries, Caroline Humfress, and Nimrod Hurvitz.

This project proposes an integrated and comparative study on the syntactic, semantic, prosodic and processing aspects of in-situ wh-questions, taking the Grammar-parser correspondence hypothesis (Phillips 1996, 2003) as a guiding principle.

How did “free agents” (entrepreneurs operating outside of the myriad of interests of the centralized, state-sponsored monopolies) in Western Europe and the Ottoman Empire react to the creation of colonial monopolies (royal monopolies and chartered companies) by the central states in the Early Modern…

Rutger Leukfeldt, special chair of Governing Cybercrime, and colleagues investigate the link between Protection Motivation Theory (PMT) factors and self-protective online behavior.

The prestigious American Journal of Comparative Law (2016, pp. 790-4) just published a book review of Sofia Ranchordas monograph ‘Constitutional Sunsets and Experimental Legislation’ (Edward Elgar). The book is partially based on her PhD dissertation for which she was awarded a cum laude doctorate degree…

For his PhD project, computer scientist Manolis Fragkiadakis is developing a tool that can compare videos of sign language corpora. This would make it possible to detect differences between sign languages and prevent translation errors. Ultimately, the tool could be used to compare sign languages from…

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

Sarah Giest, Assistant Professor at Leiden Univeristy, researched the topic of regulatory and market structures that affect nudge implementation by private actors, captured by the ‘budge’ idea.

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…

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

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

Quantum computers are a proposed fundamentally new type of computer. They aim to perform some computations much faster than previously possible by exploiting phenomena at the quantum scale, called superposition and entanglement.

On 19 September 2019, Lynette Janssen defended her thesis 'EU Bank Resolution Framework: A comparative study on the relation with national private law'. The doctoral research was supervised by Prof.mr. W.A.K. Rank and prof. M. Haentjens.

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…

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…

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…

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.

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 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.