The prohibition of anti-competitive unilateral conduct by firms with market power is not absolute, but allows for derogation.

We are all aware of the importance of a healthy lifestyle. However, at the same time we also experience many difficulties when we are trying to change our behavior to become more healthy. For example, more often than not our good intentions to exercise more or to eat fewer unhealthy snacks fail miserably…

Leiden Law School has a methods portal that offers an overview of the various phases of empirical legal research.

On 28 June 2018, Qiuyin Hu defended his doctoral thesis 'Regulating Working Conditions in Times of Globalization'. The doctoral research was supervised by Prof.dr. G.J.J. Heerma van Voss and Prof. dr. B. Barentsen.

On 24 May 2017, the Hazelhoff Centre for Financial Law welcomed Shen Wei, Dean and Professor of law at Shandong University School of Law in China, for the 14th Hazelhoff Guest Lecture.

Regulating Relations: Controlling Sex and Marriage

How can we explain that Caribbean small states have the most stable two-party systems in the world, while Pacific small states have either very weak parties or no parties at all? Matthew Louis Bishop (University of Sheffield, UK), Jack Corbett (University of Southampton, UK) and Wouter Veenendaal (Leiden…

On October 9th, Peter Alexander Kerkhof succesfully defended his doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Peter Alexander on this great result.

In this article, Lydie Cabane, Assistant Professor at the Institute of Security and Global Affairs, and Martin Lodge address the question of how to manage banking crises, a question that has gained prominence since the banking crisis of 2007-2009. This article sets out the rationale for regulating for…

Cardiovascular syndromes are the major cause of death in Western societies.

Promotor: P.M. Brakefield

Hart Publishing in Oxford has published the first book in a series entitled ‘Restatement of Labour Law in Europe’. This particular book deals with the question of which employees are protected by labour law (‘The concept of employee’).

In this paper, Kantorowicz argues that reverse party favoritism exists. He exploits the fact that during the SARS-CoV-2 pandemic crisis, the Polish government was keen to launch postal voting in the presidential elections scheduled for May 2020.

The Centre for the Study of Political Parties and Representation (CSPPR) aims to serve as an interdisciplinary platform for scholars of Leiden University for research focusing on the historical and contemporary operation and functioning of political parties and political representation, with a particular…

Beyond the immediately visible plenum, parliaments are highly complex institutions. They work through various venues in which decisions are prepared or even taken. The two main institutions in this regard are parliamentary party groups, which comprise legislators who are elected under the same party…

This book presents concrete solutions for managing the legal risks distorting the development of various areas of EU law. It pursues an innovative and effective approach to identify legal risks, their causes at the EU level and their impacts on the functioning of the Union and its Member States. It…

The book, published by Kluwer Law International, on drones entitled

How many written parliamentary questions does each party put to each minister? Political scientists Simon Otjes (University of Groningen) and Tom Louwerse (Leiden University) studied the practice in Dutch parliament and found that parties use parliamentary questions strategically as part of their ‘permanent…

The expansion of the fund industry has been one of the most notable trends in the financial markets of recent years.

How does preschoolers’ play style relate to their aggressive impulses?

Our object is to identify and characterize transcription factors involved in lignocellulosic biomass degradation in the filamentous fungus Aspergillus niger.

Autophagy is a fundamental degradative process, maintaining cellular homeostasis and functions in host defense against intracellular pathogens, including mycobacteria and Salmonella.

Drug-induced liver injury (DILI) is one of the main reasons for drug attrition during pre-clinical and clinical phases of drug development as well as for drug withdrawal post-marketing.

How is vegetative development regulated in plants and how does this affect a plant’s life history strategy?

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”.

The plant hormone auxin regulates plant growth and development through polar cell-to-cell transport-generated maxima and minima. PIN FORMED (PIN) auxin efflux carriers determine the direction of this auxin flow through their asymmetric placement on the plasma membrane (PM).

From 19 to 21 September 2018 the third annual conference of the Law and Development Research Network (LDRN) will take place at Leiden University. The theme of the conference will be 'Interfaces'.

Are you planning to conduct clinical research in the Netherlands? In this online course, you are introduced to legislation and procedures on clinical research in the Netherlands. It will help you prepare and submit your research file efficiently. The first three themes ‘The Dutch Review System’ , ‘The…

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 book is part of a series which sets out a restatement of labour law in Europe. Its second volume looks at atypical employment relationships in Europe.

Professor Christa Tobler and Jacques Beglinger have written two new publications.

The Faculty of Law has five institutes:

Is private law ready for the challenges of our time?

Most of the vast Tibetan literature was authored by monks. They were Buddhists par excellence, educated in a system in which Indic- and Indian-inspired texts played a pivotal role. What they wrote was primarily religious or philosophical in nature, but also extended to ‘secular’ topics. Through the…

As a Faculty of Law graduate you are part of a valuable network. Discover how you can remain in contact with other alumni and the University!

Promotor: R.C.M. Pelger Co-Promotor: G. van der Pluijm

A very large part of intravenously administered nanoparticles are cleared through the liver. Within the liver, most nanoparticles are thought to be sequestered by macrophages (Kupffer cells). To achieve effective cell-specific targeting of drugs and non-viral gene delivery vectors, improved mechanistic…