Jaroslaw Kantorowicz, assistant professor at the Institute of Security and Global Affairs, is a co-author of this publication that explores the nature of the ideological bias in a constitutionally relevant decision.

On 12 November 2019, Larissa Koupriuchina defended her thesis 'Judgmental Adjustments in Revenue Management'. The doctoral research was supervised by Prof. J.I. Van der Rest.

On 1 April 2020, Marc Broekema defended his thesis 'Cognitive Bias in the Judgment of Business Valuations and Valuators'. The doctoral research was supervised by Prof. J.I. van der Rest.

Recently, Hart Publishing published the book Rewriting Children’s Rights Judgments, From Academic Vision to New Practice edited by H. Stalford, K. Hollingsworth and S. Gilmore.

In a week in which the threat of violent protest against taxi platform Uber made headlines from Athens to Amsterdam, Jorrit Rijpma (Europa Insitute) and Sophia Ranchordás (Groningen University) organised an Leiden Law Exchange (LLX) Roundtable on the recent judgment of the European Court of Justice…

In the EU Law Live podcast episode ‘Banks under stress and EU law in the latest case-law of the Court of Justice of the EU’, Barbora Budinská talks about a series of judgments concerning the ABLV Bank Latvia and its subsidiary, ABLV Luxembourg.

Doing a PhD on the side? External PhD candidates, like Joost Van der Helm, just get on and ‘do it’. Besides his hectic job as a justice at the Court of Appeal in The Hague, Van der Helm managed to still find time to write a PhD dissertation.

Earlier this month, the Europa Institute organized an internal discussion on the German PSPP-judgment. For the first time, the German Constitutional Court declared acts of EU institutions as manifestly excessive and thus as ultra vires acts under German constitutional law. During an online debate, various…

The District Court of The Hague announced its judgment on 5 February in the case of SyRI (Systeem Risico Indicatie). Two writers, Privacy rights groups, civil rights lawyers and the largest national labour union had rallied to fight this controversial surveillance system, created and used by the Dutch…

Is EU law still supreme? Most national high courts have formulated some limits on the absolute supremacy claimed by EU law.

EU Law Live is holding an online symposium on the theme of 'Climate Protection as a European Fundamental Right under the ECHR', with staggered online contributions.

This month, it came out that a subdistrict court judge used ChatGPT to formulate a ruling. The judge included some text generated by the popular AI chatbot in his decision. This resulted in a lot of media commotion, raising doubts as to whether using ChatGPT in court is permissible and responsible.

On 1 July 2020, Niek Strohmaier defended his thesis 'Making Sense of Business Failure'. The doctoral research was supervised by Prof. J.A.A. Adriaanse en dr. H. Pluut.

Seminar

Intensive public debates have erupted about integration of immigrants in Europe. The influx of refugees from the middle east during the summer and autumn of 2015, the increasing visibility of immigrants throughout European societies, but also the widely publicized occurrences on New Year’s eve in Cologne…

This study examines the mutual intelligibility between all 225 pairs of 15 Chinese dialects, in two main branches, i.e., six Mandarin dialects and nine non-Mandarin (Southern) dialects.

The research of the unit is aimed at the development of models to explain and describe the influences in social systems. Social influences are studied in three ways: from the perspective of group dynamics, from an individual-cognitive perspective, and from an economic and consumer psychological pers…

Does suffering suffice? Andrei Poama, Assistant Professor at Leiden University, and Paul C. Bauer, research fellow at the Mannheim Centre for European Social Research, did an experimental assessment of desert retributivism. Their resulsts were published on April 20 on PLOS ONE.

European labour law has an unmistakable influence on national law. This applies even more to the case-law of the Court of Justice of the European Union (CJEU), as it has implications for the application of European law in the Member States and with it the interpretation of national law. Collected Cases…

Christa Tobler, Professor of European law, attended and spoke on the implications of the UK Supreme Court’s ruling for EU non-discrimination law in the case For Women Scotland Ltd (Appellant) v The Scottish Ministers (Respondent) in London.

How should the international community of states respond to genocide, war crimes and crimes against humanity? How can the perpetrators of international crimes be brought to justice? How can international crimes be prevented? How can the international community of states promote international consensus…

The starting point for this research project is the notion that the human brain is susceptible to all kinds of fallacies and biases that affect our perceptions and influence our reasoning outside of our conscious awareness. Indeed, most people think they are merely observing facts and that they process…

This volume provides a sample of the most recent studies on Spanish-English codeswitching both in the Caribbean and among bilinguals in the United States.

ELS@Leiden aims to give empirical legal research skills and interdisciplinarity a prominent place within the law school curriculum.

Rembrandt experts have been puzzling over this painting from 1626 for years. The work may have been commissioned by someone from University circles and may depict a judgment. It can be seen at Gravensteen, a building that served as a prison between 1463 and 1955. This historical building later became…

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 research master's specialisation Social and Economic Psychology consists of five main parts: the general courses, the track-specific courses, the elective courses, a research internship and a thesis.

Painstaking research in Dutch and Portuguese archive materials, so far poorly assessed on the topic of social relations, reveals intense and intricate associations between different European individuals both in terms of ethnicity and social strata.

Nadine Raaphorst wrote an chapter for The Oxford Handbook of Administrative Justice about how two notions of fairness are studied in street-level bureaucracy literature and about the factors that influence how bureaucrats behave in this regard.

A publication on the location of financial losses and the validity of jurisdiction clauses after the CJEU’s Kolassa v Barclays Bank and Profit Investment v Ossi judgments.

The Private International Law Department provides academic education and performs research in the field of private international law.

This article introduces the concept of Repertoires of Comparison (RoCs) to explain how certain comparisons become deeply embedded in social and political life.

On 12 mei 2020, Darryl Robinson defended 'Exploring Justice in Extreme Cases: Criminal Law Theory and International Criminal Law'. The doctoral research was supervised by Prof. C. Stahn.

The project investigates how bilingual speakers navigate lexico-syntactic features, including grammatical gender, classifier systems, and the linear order of adjectives and nouns, across Spanish and Chinese in both unilingual and bilingual contexts.

On 9 September 2020, Ruben de Graaff defended his thesis 'Concurrence in European Private Law'. The doctoral research was supervised by Prof. A.G. Castermans and Prof. S.C.G. Van den Bogaert.

The research within the Private International Law Department covers private international law, with a particular focus on the fundamental principles of formal private international law.

Honorata Mazepus, Assisstant Professor at Leiden University, researched the topic of Madisonian Judgments in Five Cultures, together with three other authors.

This article provides a behavioral perspective that examines responsibility attribution to the national government (upward) and policy implementers (downward) as a function of performance relative to decision-makers' aspiration levels. The study proposes that perceived accountability increases the propensity…

Discover the MSc The Politics of Artificial Intelligence at Leiden University: analyse who designs, controls and benefits from AI while using core Political Science theories to address regulation, ethics and global impact.

On the 16th of December, Ruixue Wu successfully defended a doctoral thesis. Leiden University Centre for Linguistics congratulates Ruixue on this achievement!

How do we experience sensual wonder and enchantment and to what extent can (early) modern imagination-techniques be implemented to create an artwork and performance, which offer a sensory and novel experience.

On 8 July 2020, Andres Sarmiento Lamus defended his thesis 'The Proliferation of Dissenting Opinions in International Law'. The doctoral research was supervised by Prof. L.J. van den Herik and Prof. Y.A.A.S. Radi (UCLouvain).

This dissertation investigates whether and how gradability is manifested in the nominal domain, as well as the implications this could have for theories of the representation of gradability.

Delineating psychophysiological endophenotypes of social anxiety disorder

This study investigates the perception and production of emotional prosody by native and non-native listeners and speakers, i.e. Chinese and Dutch listeners and speakers, including Dutch L2 learners of Chinese.

Intelligence of the crowd, or in other words, intelligence of a large, random collective, exists mostly in social media platforms such as twitter. The collective does not comprise (at least not necessarily) experts on crises, just regular people mostly. Nevertheless, there is valuable intelligence to…

An important aspect of the promotion and safeguarding of good practices at the Institute of Psychology is to make sure that employees are being facilitated and guided by offering information about and resources for training. On this page, an overview of various mandatory and recommended training is…

The Faculty of Law

In what ways do historical and current events affect how we should judge the legitimacy of political authorities?

Our researchers form a unique and interdisciplinary team who are active in various fields.