This edited volume offers a critical discussion of the trade-offs between transparency and secrecy in the actual political practice of democratic states in Europe. As such, it answers to a growing need to systematically analyse the problem of secrecy in governance in this political and geographical…

On 18 June 2019, Peter Kempees defended his thesis 'Hard power and the European Convention on Human Rights'. The doctoral research was supervised by Prof. R.A. Lawson and Prof. H. Duffy.

Cristina Grasseni’s project

In this paper, Sibgatullina and Abbas aim to illuminate the complex connections between the European right-wing movements and Islam and discusses how the adoption of Muslim identity may function as a politically strategic opportunity for European conservative forces.

On 11 November 2021, Mariana Gkliati defended the thesis 'Systemic Accountability of the European Border and Coast Guard'. The doctoral research was supervised by Prof. P. Rodrigues and Prof. L. Besselink (UvA).

Sebastian Diessner, Assistant Professor at the Institute of Public Administration, focuses on the role of the European Central Bank in a critical phase toward a new presidency and its approach to monetary policy by looking at both financial market and survey data.

This article examines how immigration from Central and Eastern Europe influences political support for Eurosceptic parties.

This project investigates the capacities of EU institutions to coordinate the responses of member states to critical events.

This open access book investigates the transnationally connected history of Arab Christian communities in Palestine during the British Mandate (1918-1948) through the lens of the birth of cultural diplomacy.

KNOWMAK project aims at developing a web-based tool, which provides interactive visualisations and state-of-the-art indicators on knowledge co-creation in the European Research Area (ERA).

Op vrijdag 4 april 2025 organiseert de werkgroep Stedengeschiedenis een bijeenkomst bij de Rijksdienst voor het Cultureel Erfgoed onder de titel ‘Archeologie en de stad’. De studiedag is gratis en voor iedereen toegankelijk.

Vice-President Vance uitte bij zijn recente bezoek aan Groenland kritiek op Denemarken. Trump had eerder al afstand genomen van Europa. Luuk van Middelaar, hoogleraar Grondvesten van de Europese Unie, en oprichter van het Brussels Instituut voor geopolitiek, deed een analyse over de situatie in Nieu…

This book is the first to incorporate current academic literature and case law on European, transnational, and international media law into a comprehensive overview intended primarily for students.

This research paper was requested by the European Parliament's Committee on Civil Liberties, Justice and Home Affairs. It was published by the International Centre for Counter-Terrorism (ICCT) in The Hague. Leiden University is one of the participating institutes in this publication and our researcher…

Eva Michaels & Monika Sus examines European Strategic Autonomy (ESA) as the EU’s response to the fragmentation of the Liberal International Order.

When EU member states signed the Treaty of Lisbon in 2007, they did not anticipate the manifold crises in store for them over the following years. Instead of the intended consolidation of a Union which had just gone through its most profound modernisation and biggest round of enlargements, the EU has…

Introducing five papers about of the impact of crises on the governance, decision-making, and institutional design of the Euro Area, political scientists Valerie D'Erman (University of Victoria, Canada), Paul Schure (University of Victoria, Canada) and Amy Verdun (Leiden University) summarise the 'lessons…

On 27 October 2017 the Netherlands Aerospace Foundation (NLF) announced the nominations for the NLF Research Award. We are proud of the nomination of our alumna Valentina Vecchio for her thesis, entitled ‘Aerospace Additive Manufacturing; Between Industrial Potential and Legal Challenges’.

This paper explores the historicity of state and Buddhist accounts of the monk Xuanzang 玄奘 (602-664), arguing that in the reconstruction of Xuanzang’s life and career we ought to utilize the former to help adjudicate the latter.

Our project focuses on the analysis of decision-making processes in the European Union (EU) and explores how approaches and tools to understand decision-making found in both the Natural and the Social Sciences can be linked, knowledge between these traditions exchanged and synergies utilized. To explore…

Matthias Haentjens, Jouke Tegelaar and Dorine Verheij have recently published the chapter Financial Market Regulation and Supervision in the new volume of the prestigious The Law of the European Union (previously Kapteyn and VerLoren van Themaat).

Just published: United in incoherence – Private law concepts under pressure from European financial law (in Dutch), in: Tijdschift voor privaatrecht 2017-4

How do processes of coalition-formation influence patterns of decision-making in the European Union?

On Thursday 15 February 2018, the Hazelhoff Centre for Financial Law welcomed Roel Janssen, financial and economic journalist and writer, for the fifteenth Hazelhoff Guest Lecture.

Recently, Ingrid Leijten’s book Core Socio-Economic Rights and the European Court of Human Rights was published with Cambridge University Press. The monograph was published in the series Cambridge Studies in European Law and Policy (edited by Laurence Gormley and Jo Shaw) and deals with the protection…

A portrait of the complex historical process of over 500 years of European colonialism in the New World.

This book, written by two representatives of Leiden Law School, describes the framework of the European Insolvency Regulation (recast) (‘EIR Recast’), in force since June 2017.

The term “Lone Actor” has been applied to a variety of violent individuals who are thought to act out of ideological motivations using terrorist tactics.

The corona crisis is also a disinformation crisis for the global community in general, and for the European Union (EU) in particular. What is less clear is how adequate the EU’s response to the ‘infodemic’ has been. This essay exposes the dangers of disinformation for the EU, which have intensified…

This book aims to unravel some of the mysteries surrounding this exceptional group of larger-than-life Bronze Age blades.

Digital edition of the correspondence between the philosopher Gerardus Johannes Petrus Josephus (Gerard) Bolland (1854-1922) and the philologist Pieter Jacob Cosijn (1840-1899), consisting of 46 letters covering the period 1879 to 1899.

This dissertation contains the further development of a method for linguistic-stylistic research, which provides a systematic means to interpret global impressions of a text through choices in formulation at word- and sentence level.

You can find more information on the Dutch webpage. Click on the “Nederlands” button above.

ASLU 29 Maarten E.R.G.N. Jansen, Valentina Raffa (2015)

Fish climbing trees, storks taking care of their parents… Premodern textual and visual culture presents us with a fabulous bestiary that reveals ingenious and rich reflections on the animal kingdom.