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On Thursday 1 December 2016 at 13.45 hrs, Francisco Sepulveda Ramirez will defend his doctoral thesis ‘Residence in Tax Treaties' at the Academy Building of Leiden University. Supervisor is Professor F.A. Engelen.

Multinationals use loopholes in the tax treaties between different states. A possible solution would be to eliminate all these loopholes in one go by creating a central global treaty. Leiden researchers are investigating whether this kind of mega-treaty is feasible.

On Thursday 16 November, Dirk Broekhuijsen defended his doctoral thesis entitled ‘A multilateral tax treaty: designing an instrument to modernise international tax law’. The supervisors are Professor F.A. Engelen and Professor S.C.W. Douma.

On 10 October 2018, Richard Resch defended his doctoral thesis 'The Interpretation of Plurilingual Tax Treaties'. The doctoral research was supervised by Prof. mr. C. van Raad.

PhD defence

Joris Larik, Assistant Professor at Leiden University, wrote about the topics of the Brexit, the EU-UK Withdrawal Agreement, and Global Treaty (Re-)Negotiations.

William Lippert investigates the effect of delegation to an agreement executor on success of conventional arms control agreements in Europe.

On Thursday 1 December 2016 at 13.45 hrs, Francisco Sepulveda Ramirez will defend his doctoral thesis ‘Residence in Tax Treaties' at the Academy Building of Leiden University. Supervisor is Professor F.A. Engelen.

On 19 December 2019, Reza Eftekhar defended his thesis 'The Role of the Domestic Law of the Host State in Determining the ratione materiae Jurisdiction of Investment Treaty Tribunals: The Partial Revival of the Localisation Theory'. The doctoral research was supervised by Prof. E. de Brabandere.

On Thursday 16 November, Dirk Broekhuijsen will defend his doctoral thesis entitled ‘A multilateral tax treaty: designing an instrument to modernise international tax law’. The defence will take place at 15.00 hrs at the Academy Building of Leiden University. The supervisors are Professor F.A. Engelen…

Minister Silvania of Curaçao has announced that Germaine Rekwest, who was awarded a PhD from Leiden University in September, will support him on treaty policy for Curaçao. The minister announced this in his travel report.

This article discusses the degree of independence that is required for national human rights institutions to function successfully.

On NPO radio programme 1op1 about nuclear weapons negotiations, Jaap de Hoop Scheffer, Professor of International Relations and Diplomatic Affairs at the Institute of Security and Global Affairs, says that ‘all nuclear treaties must be scrutinised afresh.’

De Organisatie voor Economische Samenwerking en Ontwikkeling (OESO) komt met een nieuw plan voor de aanpak van belastingontwijking.

On Friday, 12 May 2017, Cecily Rose participated in a conference held in London by the Investment Treaty Forum (British Institute of International and Comparative Law).

The Laboratory for Human Osteoarchaeoloy examines human remains and their burial context to address questions about the human past.

PhD candidate Manon Wintgens is using an algorithm to trawl through thousands of international tax treaties. She hopes to detect a system in the dizzying interplay between countries, businesses and documents. It is a unique research project.

Terminating the Trade Treaty between the US, Mexico and Canada, as Trump intends, violates the treaty and also has implications for labour law, says emeritus professor of international labour law, Paul van der Heijden, in Dutch newspaper ‘Het Financieele Dagblad’.

On the 1 June 2021, Professor Eric De Brabandere and Dr Daniel Peat of the Grotius Centre for International Legal Studies of Leiden Law School launched the Leiden Investment Treaty Arbitration Database.

On Tuesday 5 April 2016, Prof. Carsten Stahn spoke at Vanderbilt University to discuss a forthcoming article by Prof. Mike Newton in the Vanderbilt Journal of Transnational Law.

The British government' is expecting too much of American support after Brexit: there will be a high price to pay for any trade treaty with the United States. This was the view expressed by assistant professor Joris Larik in Dutch newspaper De Volkskrant today, following the visit of American President…

Tackling human trafficking has been a priority on international, national and local policy agendas for some decades now. Yet a number of knowledge gaps stand in the way of how the issue is approached. Interdisciplinary research is essential if we want to expand our knowledge to benefit policy and pr…

Hermeneutics and the Humanities: Dialogues with Hans-Georg Gadamer / Hermeneutik und die Geisteswissenschaften: Im Dialog mit Hans-Georg Gadamer

Despite the field’s general agreement that pyrotechnology had a significant impact on the cultural evolution of humankind, our understanding of the origins and development of fire use and its role in humankind’s cultural evolution is very limited, blurred by strong disagreements over its chronology…

Melanie Fink, Postdoctoral Researcher at the Europa Institute of Leiden University, has published her book Frontex and Human Rights, Responsibility in 'Multi-Actor Situations' under the ECHR and EU Public Liability Law. This work is based on her doctoral dissertation, which she defended in December…

The currently available in vitro generated human skin equivalents resemble the human skin in many aspects. However, some essential barrier characteristics do not fully mimic the native barrier. Consequently, the human skin equivalents cannot be used for screening of drugs for skin penetration.

The Faculty of Humanities

Leiden’s Faculty of Humanities is one of the broadest of its kind, offering courses in no fewer than 80 different languages and a very broad spectrum of academic disciplines.

On 1 October 2019 the Hazelhoff Centre for Financial law hosted its 19th guest lecture starring Paul Sharma, managing director at Alvarez & Marsal and co-head of the European Financial Industry Regulatory Advisory Services practices.

The Faculty of Humanities has 8 institutes:

In the Humans of Humanities series, we will do a portrait of one of our researchers, staff members or students, every other week.

The article deals with an issue that will be at the heart of the World Health Assembly to be held in May, namely the concept of ‘deep prevention’ and the importance of its integration in the Global Pandemic Treaty - which has been recently proposed by the European Council and currently endorsed by more…

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

This article devises a framework to assess the degree to which human rights bodies provide duplicating or contradicting recommendations to States. Focusing on the case of torture, it creates an original database of recommendations delivered to 14 countries in the years 2012–2016. Results show that duplications…

Environmental Humanities is one of the LUCAS research themes, bringing together members of the three LUCAS clusters.

At the Faculty of Humanities, we study languages, cultures, civilisations and their connection to each other. This knowledge is relevant to society and we gladly share it with the world around us.

The HARVEST project explores the dietary choices that our hominin ancestors and relatives made, by recovering information on what they consumed, and how factors like environmental variation, intrinsic biology, and development of food processing technologies could have influenced their decisions.

Learn new ways to analyse and study cultures and languages and provides insight into how digital methods and artificial intelligence (AI) are changing our personal lives and societies in the minor Digital Humanities and Artificial Intelligence.

Humanities Campus Project is the name of the redevelopment of the Witte Singel-Doelen Complex, the location of the Faculty of Humanities and associated knowledge partners and institutes. Over a period of ten years the complex will undergo a gradual metamorphosis, while classes continue to be taught.…