In this article, the authors analyse two major factors that deepen informality, namely multipolar geopolitics and the rise of non-state actors.

De Nederlandse geschiedenis is nauw verbonden met die van de wereld als geheel. Door migratie, handel en kennisuitwisseling beïnvloedden mensen elkaar over grotere afstanden en intensiever dan we lang dachten. Wereldgeschiedenis van Nederland toonde in meer dan honderd verhalen hoe internationaal de…

Politically speaking, the Frisian coastal area constitutes a special case in late medieval Europe since it was not subject to an overlord as it withstood feudalization in the 13th century. Its many sub regions, which were dominated by elites of small noblemen and freeholders, long time succeeded in…

State fragility and conflict continue to be among the most enduring development challenges of the 21st century. The consequences of fragility and conflict on individuals, States and the international community are profound. At the individual level, an estimated 2 billion people or a quarter of the world's…

On 29 January 2019, Robbert van Eijk defended his thesis 'Web Privacy Measurement in Real-Time Bidding Systems, A Graph- Based Approach to RTB system classification'. The doctoral research was supervised by Prof. dr. H.J. van den Herik.

Antoaneta Dimitrova, Professor Comparative Governance at Leiden University, Honorata Mazepus, Assistant professor at Leiden University and Dimiter Toshkov, Associate Professor at Leiden University, together with three other authors researched which aspects of state capacity might contribute to opening…

In this article, Kuipers and Timmermans analyze the first lady's relationship with policy problems in the period 1945-2013.

Leiden researchers study the extent to which Asian citizens can invoke the rights that they have on paper. This knowledge helps them advise the different levels of government and NGOs on how to improve the lot of poor citizens in particular.

During the 1980s and early 2000s, authors like Alex Schmid and Andrew Silke demonstrated the paucity of first-hand insights being used to study terrorism and the consequences this had for the reliability of the findings beings presented. But to what extent have these issues endured?

In this thesis it is posed that the central object of preference discovery is a co-creative process in which the Other can be represented by a machine. It explores efficient methods to enhance introverted intuition using extraverted intuition's communication lines.

Sophie Vériter explores a small state’s impact on EU security governance, a hard challenge means against big states in this policy area.

A discourse on international cyber norms has emerged ever since the United Nations Group of Governmental Experts on Developments in the Field of Information and Telecommunications in the Context of International Security (UN GGE) recommended eleven norms on responsible state behaviour in cyberspace.

Yi-Wen Cheng defended her thesis on 28 May 2015

On 16 June 2020, Andrea Varga defended her thesis 'Establishing State Responsibility in the Absence of Effective Government'. The doctoral research was supervised by Prof. N.J. Schrijver and Prof. F. Baetens (University of Oslo).

This monograph, written by dr. Dennie Oude Nijhuis and published by Cambridge University Press, discusses the postwar development of the welfare state.

On 27 June 2019, Vid Prislan defended his thesis 'Domestic Courts in Investor-State Arbitration: Partners, Suspects, Competitors'. The doctoral research was supervised by Prof. dr. N.J. Schrijver.

State utilization of 'hukum adat' and its implication for the Indonesian rule of law

Organisations such as the EU are of enormous benefit to the member states, but the inhabitants of the member states are often unaware of this. Leiden researchers investigate whether international organisations such as the EU or ASEAN are able to influence global politics.

This book offers novel perspectives on the national and international dimensions of the post-war welfare state in Western Europe and North America.

Slavoj Žižek is one of the most prominent public intellectuals of the left. His central claim holds that “today, it is more crucial than ever to continue to question the very foundations of capitalism as a global system”.

Mateo Cohen (research assistant at the Open University of Israel and PhD candidate at Leiden University’s Institute of Political Science) studied arguments articulated by diverse members of the Right-Wing elite in Israel and explains how these views lead to the rejection of a two-state solution and…

Zeynep Sarlak defended her thesis on 25 August 2020

This project aims at providing a broad perspective of the state of Science Technology and Innovation (STI) in Africa with a focus on global funding flows, in order to inform research funders in the continent, in particular those participating in the Science Granting Councils Initiative (SGCI). The project…

On 22 June, Najib Amin defended the thesis 'State-building, lawmaking, and criminal justice in Afghanistan: a case study of the prison system’s legal mandate, and the rehabilitation programmes in Pul-e-charkhi prison'. The doctoral research was supervised by Jan Michiel Otto and Pauline Schuyt.

The policies relating to language pursued by European monarchies and states have been widely studied, but far less attention has been given to their linguistic and cultural policies in territories outside their own borders.

This edited volume provides a synthesis on the question of business attitudes towards and its influence over the development of the modern welfare state. It gathers leading scholars in the field to offer both in-depth historical country case studies and comparative chapters that discuss contemporary…

The work presented in this thesis addresses the role of the locus coeruleus (LC) - norepinephrine (NE) system in various aspects of human cognition, and the modulation of brain state.

Advancing the understanding of the interaction of light and matter on the single-quantum level is important for near-future quantum technologies but also to answer fundamental questions.

The research project ‘The History of National Security, 1945-present', is funded by the Netherlands Organisation for Scientific Research (NWO), the Campus The Hague/Leiden University and the Netherlands Institute for Military History (NIMH). The project will run until the summer of 2013, when we hope…

Researchers from the Leiden Institute of Chemistry show proof of principle that live-cell structural changes and metabolic processes can be followed in real time with NMR spectroscopy. They performed their study on photosynthetic green algae that are metabolically flexible and can sustain energy generation…

To what extent did The Netherlands' attitude towards European integration change after the 2005 referendum on the European Constitution?

Promotor: F.J. van Lunteren, E. Jorin

Inaugural lecture

Subproject of

Organizations often announce their protest activities prior to their implementation to mobilize awareness, recruit supporters, and receive media attention. We are interested in the effectiveness of protest announcements—that is, under what conditions governments make concessions to avoid having an announced…

The Van Loon project sets out to safeguard the archives of Dutch archaeologist Maurits van Loon (Amsterdam, September 22, 1923 - Montpellier, October 12, 2006) and make them accessible for further study.

On Friday 23 November 2018 Professor W. (Willemien) den Ouden and Professor J.E. (Jacobine) van den Brink acted as keynote speakers at a conference entitled Private Enforcement of European Competition and State Aid Law: Current challenges and the way forward.

Lecturer at Leiden University, Mathematical Institute and Institute of Biology, Leiden - the Netherlands

De semantiek van Aristoteles: waarheid en betekenis in het tijdperk van het darwinisme

The Van Vollenhoven Institute for Law, Governance and Society (VVI) is part of the Leiden Law School.

On 29 November 2018, Roberto van den Heuvel zijn defended his thesis 'Duidelijkheid van fiscale wetgeving'. The doctoral research was supervised by prof. dr. A.O. Lubbers en prof. dr. H. Vording.

The Van Bergen Fund provides financial support to study associations of Leiden University for initiatives that promote contact between Dutch and international students. A good plan will receive a subsidy from the Van Bergen Fund.

Anna van Buerenplein, Anna van Buerenplein 301, 2595 DG, The Hague

On the 10th of January, Astrid van Winden successfully defended a doctoral thesis. The Leiden University Centre for Linguistics congratulates Astrid on this achievement!

Van Steenis, Einsteinweg 2, 2333 CC, Leiden

New policies, institutional configurations, and state-market relations are emerging outside of East Asia, as new developmental states move beyond the historical experience of East Asian development. Yet, the ‘developmental state’ is still relevant. This book, edited by Jewellord Nem Singh (Institute…

The research addresses the question of “what is the impact of geopolitical changes to the pivot states in the Middle East? With special focus on Turkey, Iran and Saudi Arabia.”