In the past few years, an increasing number of multinationals have made the news for large-scale use of tax planning opportunities. The Organisation for Economic Collaboration and Development (OECD) and the European Commission are studying these cases closely and investigating whether the current concepts…

Too big to jail?

On 29 June 2017, Doris Dull-Zessner defended her PhD dissertation “Value Congruence in a Multinational Corporation”. The supervisors are Professor J.A.A. Adriaanse and Professor J.I. van der Rest.

April 2021 saw the publication of the book ‘Cross-Border Protocols in Insolvencies of Multinational Enterprise Groups’. This book was published by Edward Elgar Publishing. It is written by Ilya Kokorin and Bob Wessels. The book serves as a comprehensive introduction to insolvency protocols and focuses…

Natural resources often stretch across borders that separate modern nation states. This can create conflict and limit opportunities for regulated consumption of their goods and services, but also provide opportunities for joint multinational efforts that exceed single country capabilities.

Loopholes in international tax legislation contribute to the misuse of tax rules by multinationals. Leiden University legal experts investigate how the complex national and international tax rules can be made more consistent in order to create a better tax system.

How do tax treaties have to be explained and implemented, and what role does the supranational regulatory process play in this? Which objectives are meant to be used in establishing tax regulations and to what extent are such legislative practices undertaken in a goal-oriented manner?.

The following lectures/courses are given in the framework of the EU Jean Monnet Chair EUTAXGOV at Leiden University. Topic of this Jean Monnet Chair: EU Tax Governance and International Tax Law Making by the EU.

For many years, human rights have been considered a playing field in which states were the most important actors. In the present day society, this has changed as a consequence of globalization and the rise of multinational enterprises (MNEs). Protection of fundamental labor rights in global supply chains…

Tax scandals, like the Panama Papers, the Paradise Papers, and the Pandora Papers, have made taxation a major topic of public debate. Learn more about this in the new minor Tax and Society: Building a Sustainable and Fair Tax System.

When doing business in foreign countries, you will encounter different languages and cultures. How does knowledge of cultural differences help you when you're trying to start a business or close a deal in another country?

What are the possibilities after completing the ICCL programme? We will tell you more about the career prospects in the international legal practice

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…

This thesis explores the value of cultural and archaeological heritage through a focus on multinational corporations (MNCs) across industries and their involvement with cultural heritage.

Studying International Relations and Organisations (IRO) you are building a foundation that will benefit you in your future career, whether as part of an international organisation, or as a journalist or consultant.

Research within COI@Leiden is clustered around two themes: sustainable justice and the courtroom as a social arena. Find out more about each of these projects by clicking on the links below.

Leiden is a real student city and has everything you’ll need to turn your time as a student into the time of your life. And as a growing and internationally oriented student city, The Hague offers a great mix for a fabulous student experience.

Exponential population growth and rapid urbanisation are prompting the development of gigantic African metropolises that must be supplied with resources such as food, water and energy. This creates economic opportunities, drives migration and presents political challenges. Researchers from Leiden combine…

Globalisation leads to more contradictions between national and international tax norms. It therefore seems necessary to revise the fiscal legislation. This is not only due to the problem posed by multinationals, but also to changing norms regarding tax burden distribution. Fundamental research on the…

The emergence of new players on the world market such as India, Brazil, China, Turkey and the Gulf States gives Africans more choice in who they work with and under which terms. At the same time, African multinationals are choosing to work with regional partners and are thus furnishing old political…

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.

English The purpose of this research is to identify and examine the challenges faced by African States in the field of foreign investment with a view to contribute not only to the academic debate, but also to foster awareness and develop the capacities of these States with regard to the drafting, negotiation…

The Algebra, Geometry and Number Theory specialisation is the excellent preparation for a career in research. It is a suitable stepping stone for pursuing a PhD degree. The degree also gives you access to job opportunities outside academia.

The Applied Mathematics specialisation is the excellent preparation to start a career in research. It is a suitable stepping stone for pursuing a PhD degree. The degree also provides job opportunities outside academia in a (international) industrial environment.

With an MSc degree in Mathematics you are well prepared for a broad range of career prospects and ready to operate on the international market. The master’s degree is also an excellent preparation for pursuing a PhD degree.

The Hague is a real student city and has everything you’ll need to turn your time as a student into the time of your life.

Subproject of

Maral Jefroudi defended her thesis on 11 October 2017

This project explores how Muslim authorities and writers use Russian to transmit Islamic contents, and whether this leads to a specific

Ömer Koçyigit defended his thesis on 7 July 2020

The International Labour Organisation (ILO) was established in 1919 based on the premise that social justice is a condition for lasting peace. On February 2019 the ILO celebrated its 100th anniversary with an international symposium to consider the future of the ILO.

The Hague is the Netherlands’ fastest-growing student city, offering great study and career opportunities to students from all over the world.

The Hague is the international city of peace and justice, home to many international organisations, embassies and multinational corporations but also a fun student city filled with music, cafes, museums and the most popular beach in the Netherlands!

The master’s programme Mathematics at Leiden University focuses on analysis, probability and statistics, number theory and (arithmetic) geometry. It offers five specialisations ranging from Applied Mathematics to Mathematics and Business Studies.

The Hague is the international city of peace and justice, home to many international organisations, embassies and multinational corporations but also a fun student city filled with music, cafes, museums and the most popular beach in the Netherlands!

The Hague is the international city of peace and justice, home to many international organisations, embassies and multinational corporations but also a fun student city filled with music, cafes, museums and the most popular beach in the Netherlands!

The Hague is the international city of peace and justice, home to many international organisations, embassies and multinational corporations but also a fun student city filled with music, cafes, museums and the most popular beach in the Netherlands!

The Hague is the international city of peace and justice, home to many international organisations, embassies and multinational corporations but also a fun student city filled with music, cafes, museums and the most popular beach in the Netherlands.

The Hague is the international city of peace and justice, home to many international organisations, embassies and multinational corporations but also a fun student city filled with music, cafes, museums and the most popular beach in the Netherlands!

A master's degree in Psychology at Leiden University combines theoretical knowledge with academic and professional skills, making you an attractive candidate for many employers.

The Hague is the international city of peace and justice, home to many international organisations, embassies and multinational corporations but also a fun student city filled with music, cafes, museums and the most popular beach in the Netherlands!

The MA in Politics, Society and Economy of Asia takes a social science approach to the study of one or more countries or regions in modern or contemporary Asia.

Taxation is crucial to addressing many of the most pressing societal challenges today. Adapting to climate change, achieving the UN Sustainable Development Goals, controlling income and wealth inequality and fostering resilient democracies: none of these can be achieved without fair and sustainable…

The World Politics Major at Leiden University College The Hague examines the big ideas and the powerful forces – political, military, economic, social and cultural – that shape the world at every level, from the global to the local and everything in between. Political conflict is a key driver of many…

Why, then, do governments choose to disclose intelligence and what factors shape how they do so?