On 21 November 2018, Lieke Kools defended her thesis 'Essays on wealth, health, and data collection'. The doctoral research was supervised by Prof. dr. K.P. Goudswaard en Prof. dr. C.L.J. Caminada.

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.

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 23 April, Sheila Haji defended the thesis 'The shadow side of positive organizational change: practitioners’ experience navigating dialectical tensions in appreciative inquiry'. The doctoral research was supervised by Jan Adriaanse, Mark Dechesne and Renee Heath.

The deans (chairs of the faculty boards) form the Board of Deans, which is chaired by the Rector Magnificus.

The growing popularity of corporate self-regulation to address supply-chain issues puts Corporate Social Responsibility and specifically codes of conduct, at the centre of attention. In this article, Jaroslaw Kantorowicz, Sarah Vandenbroucke and Yvonne Erkens analyse supplier codes of conduct of multinational…

Dutch companies are cutting jobs at a rapid pace amid reorganisations. Olaf van Vliet, Professor of Economics, spoke with NU.nl about the causes of this wave of layoffs: 'Other factors besides AI seems to be at play.'

Recent calculations show the new Dutch cabinet’s plans will lower the purchasing power of low- and middle-income households. Egbert Jongen, Professor of Economics, commented in ‘Trouw’ newspaper about the economic impact of the new cabinet’s policy.

Title research: Titel onderzoek: Since the discussion on harmful tax competition, both on EU level as on OECD level, the Caribbean island of Curaçao has committed to implement the four obligatory ‘minimum standards’ of OECD ‘s ‘Base Erosion and profit shifting’ plan (BEPS)

Dirk Broekhuijsen (1987) is associate professor at the Department for Tax Law at Leiden University.

Title research: The effect of directives in the area of direct taxation on the interpretation and application of tax treaties concluded by the EU Member states.

Bastiaan van Ganzen is an Assistant Professor at the Department of Tax Law. In addition, he is the Academic Coordinator of the Pre-PhD Programme at the Graduate School of Legal Studies.

Anna Gunn is specialised in Fiscal State Aid and in Fiscal Ethics.

This project intends to provide an integrated linguistic assessment of the hypothesised migration route of the Tocharians.

Can photography embody the emotional and interpersonal aspects of home as well as participate in the social, political, and cultural debates on homemaking?

The Aging and Immunity group is led by Dr. Amanda Foks. In this group we aim to investigate how aged immune cells contribute to atherosclerosis and identify novel therapeutic targets and strategies to extend health span and inhibit cardiovascular disease.

Museum Temporalities analyzes how museums relate to time. It explores the hidden temporal assumptions and practices that define museums. How might these assumptions help us to better understand and address museums’ often problematic and painful relationship to the colonial past?

The Cardiovascular Pharmacology research group headed by Ilze Bot aims to elucidate the mechanisms that underlie atherosclerotic plaque destabilization, which is the key process that leads to acute cardiovascular syndromes such as a myocardial infarction or stroke.

The programme group Research Methods and Statistics develops and teaches the large majority of methodological courses in all phases of the program Education and Child Studies.

Can a newly developed, app-based, personalized maintenance program enhance the effectiveness of the exposure-based one-session-treatment for children with a specific phobia?

This subproject of 'From Homo Economicus to Political Animal' analyzes Greek economic thinking in late 5th- and 4th-century philosophical circles.

The Translational Immuno-Pharmacology group works on translating the efficacy of anti-infective therapy from preclinical (e.g. in vivo) to clinical, and is led by Rob van Wijk. Infectious diseases, such as tuberculosis, are in constant need of new therapies that work better, faster, and with less risk…

Macrophages and atherosclerotic lesions The infiltration of monocytes in the arterial wall, their differentiation to macrophages, and the subsequent accumulation of cholesterol in these macrophages initiate the process of atherosclerosis. We study the importance of specific genes in macrophages for…

In this research group, headed by Prof. Erik Danen, the aim is to unravel cellular signaling mechanisms in normal and diseased cells, with a long-standing interest in cell adhesion signaling. In complex multicellular organisms such as ourselves, a division of labor emerges where different tissues and…

This project seeks to close the gap between the three main players in the field of prescriptivism: the linguists themselves, the prescriptivists (as writers of usage guides) and those who depend upon such manuals.

This subproject of 'From Homo Economicus to Political Animal' analyzes Greek economic thinking of the Hellenistic period.

This article provides a comprehensive analysis of the Islamic State's use of images taken by drones, drawing on a dataset of ISIS propaganda images from October 2016 to December 2018.

What evaluative languages (errors, mistakes, vices, etc.) did book reviewers employ? To what extent and on what occasions did they invoke early modern vices? And to what extent did this differ across fields or change over the course of the century?

Information provided by the Tax and Customs Administration is something that concerns every citizen. So it is not surprising that the Tax hotline receives around 10 million calls each year. The Benefits Affair emphasised the citizen’s perspective in communications with the Tax and Customs Administration.…

This project incorporates spatiality into the discussion of medieval demography, allowing for a more nuanced view on medieval town populations. It establishes a maximum population count for towns for periods prior to 1400 and provides a means to compare the ranking of towns using size and density instead…

SOLID: Solidarity under strain - A legal, criminological and economic analysis of welfare states and free movement in the EU. Analysing the ways in which immigration structurally challenges and changes the organization and conceptual boundaries of national welfare states.

Research at Leiden Law School means research at the highest level.

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Meet Bart, Reza, Weiyan, James, Daphne and Yasmin.

A linguistic reconstruction of the migration of the Tocharians from Europe to China

Diplomatica: A Journal of Diplomacy and Society addresses the broad range of work being done across the social sciences and the humanities that takes diplomacy as its focus of investigation.

The Skin Barrier and Vaccination group is led by Prof. Joke Bouwstra. One of the key functions of the skin is its barrier function, which is located in the uppermost layer of the skin, the stratum corneum. The stratum corneum consists of enucleated dead cells (corneocytes) embedded in a lipid matrix.…

On the 9th of June Bahaddin Budak successfully defended a doctoral thesis and graduated.

Find out how to apply for Bio-Pharmaceutical Sciences and Education at Leiden University by following our step-by-step guide.

How are top-down directives translated and implemented at mission level in UN peacekeeping?

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.”