In the specialisation Occupational Health Psychology, part of the Master in Psychology, you will integrate knowledge of several disciplines in psychology, with a clear focus on workers and their work setting.

The International Criminal Law programme prepares you for a successful career within a multidimensional field, in Europe or around the world.

Human activity, such as pollution, may disturb the balance of living water systems, which has consequences for biodiversity, but also for other functions such as water purification. Leiden University maps living water systems using the most advanced technologies.

On 20 May 2021, LeidenAsiaCentre and The Hague Journal of Diplomacy held a seminar on "The Recalibration of China's Diplomacy".

Leiden biology students have determined the origin of exotic alpine newts in the Netherlands using a special DNA technique.

In the online panel discussion of ESOF 2022 ‘The effect of the online world on adolescents’, together with Amy Orben, Professor Eveline Crone, Sterre van Riel, Professor Anne-Laura van Harmelen and Professor Jan Sleutels, Professor Ton Liefaard shared his research on adolescents and the online world…

Museum De Lakenhal is displaying the smallest work of art in the world: a 3D-printed statue of Rembrandt van Rijn, made by sculptor Jeroen Spijker and researchers from Leiden University.

Global versus local, democracy versus dictatorship, tradition versus modernisation: such contrasts make it difficult for anthropologists. They look in detail at what really happens and can therefore add some nuance to blueprints and debates, is what Frank Pieke, Professor in Modern China Studies, will…

A better understanding of Morocco and the Arab world is crucial for international relations and for Dutch society. This was the key message of Minister of Education, Culture and Science Jet Bussemaker and Ahmed Aboutaleb, Mayor of Rotterdam, at the opening of the renewed Netherlands Institute in Morocco…

To mark the official launch of the network, Maartje Janse and Peter Stamatov have organized a roundtable on Global Abolitionisms at the Annual Meeting of the Social Science Historical Association, November 2015 in Baltimore.

Three student athletes from Leiden University are representing the Netherlands at the FISU Summer World University Games, a kind of Olympic Games for students.

The UN has christened 21 November World Philosophy Day, a day on which ‘the enduring value of philosophy for the development of human thought, for each culture and for each individual’ is celebrated. But how should we celebrate it? We ask philosopher Victor Gijsbers.

In this bilingual profile, you follow university teacher training with a special focus on language, culture and diversity in bilingual and international education. Student Lauren Rutherford and educator Tessa Mearns talk about this programme.

What political factors affect the speed or duration of EU legislative decision-making?

What factors can explain the dynamics of de facto statehood in Iraqi Kurdistan at internal, national and international levels? What has been the nature of the de facto statehood in Kurdistan since its inception?

Promotores: J. Jonkers, K.E. de Visser

In this work, I explore the creation of new methods that optimize simulations of the gravitational N-body problem. Specifically, I take advantage of the recent popularity of Machine Learning methods to find tools that can suit this problem.

The HJD Article Award is a biannual award given to the published research article which best advances the theoretical and/or empirical study of diplomacy.

The power of personalized nutrition lies in being able to conduct clinical research on healthy people while capturing metabolic markers sensitive to the impact of environmental and metabolic stressors (e.g. diet, changing sex hormones and the menstrual cycle).

Would you like Leiden University to be a more open workplace that recognizes and rewards all contributions, and an institution that creates and shares knowledge more freely with society?

In this article, Madeleine O. Hosli and Wen Pan examine how intergovernmental dynamics shaped the European Stability Mechanism, using Liberal Intergovernmentalism to assess negotiation phases, the influence of major member states, and which theoretical assumptions hold or need qualification.

On 17 October 2018, Thomas Sanders defended his doctoral thesis 'Invordering door de overheid: de invordering van geldschulden uit herstelsancties onder de Awb'. The doctoral research was supervised by Prof. mr. T. Barkhuysen and Prof. mr. M.W. Scheltema.

In this PhD-thesis several new and existing data science application are described that are particularly focused on applications for tax administrations.

Introduces a novel trope of photographic images dealing with states of mental disorders; focuses on photographs that visualize disturbed corporeal and mental perceptions of the world and connects medium-specific characteristics of photography to concepts from mental disorder studies.

This article investigates how temporary coalitions of non-state actors engage in international negotiations on environmental issues.

This PhD-thesis presents a study on micron-sized particles, so-called colloids. By controlling the chemical and physical properties of these particles, such as the interparticle interaction and the particles’ shape, colloids can act as building blocks that self-assembly into larger structures.

From corpus pragmatics and metapragmatics to accountability and intentions, and from conversational structure and im/politeness to the role of emotions in utterance interpretation, the short articles collected here represent not just the wide scope of Michael's own work but also a snapshot of the field,…

Poly(lactic-co-glycolic acid) (PLGA) particles have been extensively studied as biodegradable delivery system to improve the potency and safety of protein-based vaccines. In this study we analyzed how the size of PLGA particles, and hence their ability to be engulfed by dendritic cells (DC), affects…

On 20 June, Anne Hendrikx defended the thesis 'Methods of contract interpretation: a model for the interpretation of a contract'. The doctoral research was supervised by Henk Snijders.

On the 4th of June, Andreas Joswig successfully defended his doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Andreas on this great result.

How and when do interest groups organise themselves as transmission belts and what are the implications for their political relevance among public officials involved decision-making processes?

On 19 May 2020, Xuechan Ma defended her thesis 'Moving towards Coexistence and Cooperation: The Spratly Islands and International Law'. The doctoral research was supervised by Prof. N.J. Schrijver.

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…

We present an extensive study of methods for exactly solving stochastic constraint (optimisation) problems (SCPs) in network analysis. These problems are prevalent in science, governance and industry.

On 19 February 2020, Richard Jiang defended his thesis '‘Greening’ the WTO Ban on China’s Export Duties'. The doctoral research was supervised by Prof. M.C.E.J. Bronckers.

This book by Damien van Puyvelde provides the first comprehensive English-language account of France's modern foreign intelligence and explores its evolution, operations, and role in global security.

To meet the rising demand for minerals driven by the global shift to clean energy technologies, ensuring responsible and resilient supply chains is critical. Minerals like cobalt, lithium, and nickel for batteries, neodymium and zinc for wind turbines, and indium for solar panels are essential.

This article examines to what extent bureaucratic responsiveness depends upon the source, the content and the salience.

The Role and Effectiveness of the G20. In this article, published in The Changing Global Order part of the United Nations University Series on Regionalism book series, author Jaroslaw Kantorowicz discusses the evolution of the G20.

This book provides the answers, presenting clear insights into the current state of affairs and exploring future prospects.

The Hague Journal of Diplomacy (HJD) is the world’s leading research journal for the study of diplomacy and was founded in 2005. The journal is published by Brill.

This paper sheds light on how better monetary-fiscal coordination can be expected to play out across very different political-economic contexts.

Challenges for the protection of traditional knowledge and genetic resources, traditional cultural expressions, and traditional knowledge of indigenous peoples in the international scenario.

Why do some parties fail to settle conflict, even after long periods of fighting? ISGA PhD candidate Valerie Sticher suggests that costly concessions often stand in the way of a negotiated agreement. Conflict party members not only care about their in-group's welfare, but also want to avoid rewarding…

Stakeholder engagement practices are on the rise in regulatory governance. This raises an important question regarding implications for regulatory legitimacy. Engagement mechanisms are not by default legitimizing: Even when initiated to tap into an array of ‘benevolent’ desiderata, unless carefully…

For thousands of years bloodlines have been held as virtually unassailable credentials for leadership, with supreme political power perceived as a family affair across the globe and throughout history. At the heart of royal dynasties, kings were inflated to superhuman proportions, yet their status came…

Promotores: Prof.dr. E.A.L. Biessen, Prof.dr. T.J.C. van Berkel