What drives the restrictiveness of immigration reforms? Political scientists Katharina Natter (Leiden University), Mathias Czaika (Danube University Krems) and Hein de Haas (University of Amsterdam) analysed immigration reforms in 21 Western immigration countries between 1970 and 2012. They found that…

Promotores: G. Persoon, R. Schefold

Dr. Moritz Jesse, associate professor of European Law at the Europa Institute of the University of Leiden, spoke at the Social integration in EU law: Contents, limits and functions of an elusive notion – Seminar, which was organized as a part of the MOVES – Free Movement of Workers & Social Security…

Jaroslaw Kantorowicz and Rok Spruk examine the contribution of institutional reforms to economic growth.

Sorghum (Sorghum bicolor) is a major cereal crop that millions of subsistence farmers in Sub-Saharan Africa (SSA) rely on. However, the scourging impact of the root parasitic weed Striga (Striga hermonthica, a.k.a. “witch-weed”) has remained a major constraint hampering the productivity of sorghum in…

Moritz Jesse has been awarded a Jean Monnet Chair by the European Commission. In his MIND-EU Project he will focus on a coherent way to teach Migration, Integration, and Non-Discrimination at Leiden Law School at bachelor and master level.

This thesis focuses on the role of chemokine receptors CXCR3 and CCR2 in the inflammatory process and infection control using the zebrafish model.

Professor of Cybersecurity Governance Bibi van den Berg was interviewed recently by I/O Magazine, the magazine of the ICT-research platform The Netherlands.

Dr. Gabrielle van den Berg received a prestigious VICI grant from the Netherlands Organisation for Scientific Research (NWO) for her project

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…

We showed that constitutive and inducible chemical and morphological defenses against Western flower thrips differ between tomato and chrysanthemum plants.

In their recent blog, Marieke Liem and Jolien van Breen reflect on the representation of immigrants amongst homicide victims - is there evidence that people from immigrant groups are over-represented amongst homicide victims? And if so, can we discover the reasons why? Find out more through the link…

It is often thought that immigration threatens the solidarity on which redistribution relies. But looking at the post-war period, PhD candidate Emily Anne Wolff finds that this is not the case.

How has migration affected Irish and Italy society since 1945?

Ed van den Berg, MBA, will succeed Dirkje Schinkelshoek from 1 September as interim member of the Faculty Board of the Science Faculty, responsible for operational management.

To argue that people can control the relative contributions of goal-driven and stimulus-driven processes to decision-making and action selection.

Failed asylum seekers do not often return to their country of origin. The European Commission sees ‘return hubs’ as a solution. Dr Mark Klaassen discussed the proposal on ‘EenVandaag’: ‘I can imagine that such a return hub will act as an incentive.'

The Service Centre International Staff provides advice and different services to all international employees and guest researchers pursuing their academic careers in Leiden.

Dr. Moritz Jesse, Associate Professor of European Union Law at the Europa Institute Leiden, presented about the legal transition of migrants from outsiders to insiders at the 26th International Conference of Europeanists, which took place in Madrid in June.

On 11 February 2019 the Women in International Law Network, established in 2017 as an informal network for midlevel to senior female officials, experts, advisers and academics working in international law in the Netherlands, organised a panel discussion and the book launch of ‘Frontex and Human Rights’,…

The world is autocratising. In 2022, a record number of states across all continents, including Europe, was shifting towards autocracy. But against theoretical expectations and common sense, autocratising leaders – known for their nationalist agendas and human rights violations – do not always restrict…

Fractievoorzitters van linkse partijen roepen minister Faber op Mikael niet uit te zetten. Faber zegt niet bevoegd te zijn en verwijst naar het besluit van de Raad van State dat Mikael en zijn moeder definitief geen verblijfsvergunning krijgen. Mark Klaassen, universitair docent immigratierecht en lid…

Promotores: H.S. Overkleeft; G.A. van der Marel Co-Promotor: B.I. Florea

Governments in parliamentary democracies have limited time in office to fulfill their policy agendas. So, how do they optimise the timing of legislative bills to assure their passage and avoid lengthy parliamentary scrutiny? This question is especially puzzling under coalition governments, in which…

Although it is often assumed that the stereochemistry in Ugi multicomponent reactions is determined in the final Mumm rearrangement step, experimental and computational evidence that Ugi reactions on hydroxylated pyrrolines proceed under kinetic control is reported.

This thesis describes how different colours of light affect various aspects of the growth and development of Arabidopsis and tomato plants⁠.

PhD defence

PhD defence

Europa Institute staff members Jorrit Rijpma, Melanie Fink and Kristof Gombeer participated last week in the Odysseus Network’s Summer School on EU Immigration and Asylum Law and Policy (Brussels, 2-13 July).

Leiden University is a centre of migration research, bringing together historians, economists, lawyers, political scientists and anthropologists. They conduct research on who migrates and why, and the impact on societies. They analyse government policy, the role of media and how societies respond to…

Geert Wilders wants a stricter asylum policy, but is this realistic? Maartje van der Woude, Professor of Law and Society, and Mark Klaassen, assistant professor, spoke to NRC newspaper about the legal feasibility of Wilders' plans.

Children have never acquired their own position in migration law and that is now slowly changing, according to Peter Rodrigues in ‘One World’. Partly as a result of the Children’s Rights Convention and judgments by the Court of Justice in Luxemburg, the tide seems to be turning and there is now more…

What role(s) do border officials play in the enforcement and management of border control and border mobilities and how do these roles relate to the personal, organisational and larger societal context within which these officials operate?

In October 1740, a tragedy unfolded in Batavia, the Asian headquarters of the Dutch East India Company on the island of Java. Faced with a spontaneous Chinese peasant uprising, Batavia’s vengeful inhabitants carried out a bloody massacre of their fellow Chinese within the city walls. The murderers marched…

In his lecture, Professor Platt discussed some of the main arguments from his latest book entitled “Beyond these Walls: Rethinking Crime and Punishment in the United States”

China is a one-party regime, yet elections are held for the local congresses. PhD candidate Wang Zhongyuan investigated how the Communist Party uses this democratic instrument to strengthen the authoritarian regime. PhD defence 31 January.

Striga hermonthica, commonly known as witchweed, infests major cereal crops in Sub-Saharan Africa causing severe yield losses and threatening the livelihood of millions of resource poor farmers.

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.

Promotor: Prof.dr. S. Haring

PURPOSE: The aim of the study was to develop a cheap and fast method to produce hollow microneedles and an applicator for injecting vaccines into the skin at a pre-defined depth and test the applicability of the system for dermal polio vaccination.

We found that, next to the effectiveness of the intervention, it’s also very likely that the intervention is cost-effective compared to attention only.

On Thursday 6 March, students from the elective course Immigration Law attending a hearing at the Aliens Division of the Court of Rotterdam.

Dutch coalition parties VVD and CDA want to tighten asylum policy and have launched a plan to grant two types of statuses to refugees. They also intend to partially restrict the right to family reunification. However, this plan is facing strong opposition. With the proposal, the government can expect…