A python3 package to create and analyze Circular Economy scenarios.

Studies in Early Near Eastern Production, Subsistence, and Environment, vol.16. Edited by Noriyuki Shirai.

During times of domestic turmoil, the use of force abroad becomes an appealing strategy to US presidents in hopes of diverting attention away from internal conditions and toward a foreign policy success.

Libertatis Ergo Holding B.V. (LEH) is an independent legal entity that holds associate companies arising from Leiden University’s activities.

If you have a question, there are various ways to get in touch with us.

The one-year Master’s in International Relations offers an exciting and challenging mix of theoretical knowledge and practical experience.

This book is a result of the collective research project Urban Societies in the Port Towns of Atlantic Europe in the Late Middle Ages. It studies the connections between diplomacy and trade from a comparative and transnational perspective throughout medieval Atlantic Europe.

This book is the first systematic analysis of the changes in the use of goods and services by households of Black South Africans since the early nineteenth century.

The availability of natural resources, the energy transition, the importance of circularity and our dependence on China. This and more is what Professor of Industrial Ecology René Kleijn's inaugural lecture is about.

A new discovery proves that it matters which approach researchers take in analyzing large physical, social or biological systems that have a networked structure. Ever since the early 1900s, scientists have assumed each approach is equivalent. Now many results in statistical physics may no longer hold.…

This page features an overview of relevant lectures, publications and conference papers.

Exclusion elicits the same response in children as in adolescents and adults. That is what psychologist Mara van der Meulen found when she studied brain activity in primary schoolchildren. ‘What is new for us is that it is the same in childhood as later in life.’ Doctoral defence on 10 December.

Leiden psychologist Wilco van Dijk and communication scientist Jaap Ouwerkerk of VU University Amsterdam published a book about the emotion Schadenfreude. Van Dijk tells about Schadenfreude on BBC radio 4 All in the Mind.

Marie-Jeanne Holveck and Katharina Riebel from Behavioural Biology at the Institute of Biology at the Faculty of Science published their research in Proceedings B of The Royal Society.

George Floyd's death still leads to fierce protests against police violence and racism on a daily basis in the United States and abroad. We asked Paul Wouters how he experiences these developments and what this will mean for our faculty.

An international group of scientists has discovered that certain cells of our immune system – the so-called T cells – communicate with each other and work together as a team. To fight an infection they stimulate each other’s growth, but at the same time, they inhibit each other when there is a surplus…

We should assume that animals can have feelings too. From an ethical point of view this should inform our dealings with animals, researchers from Leiden University and Utrecht University argue in an opinion article that was published in the scientific journal Affective Science on Thursday 10 March.

Maaike Kempes believes more attention should be paid to non-congenital brain injuries in suspects. This may partly explain their criminal behaviour.

Lecture, Lunch Research Seminar

Opportunities to join the initiative as a guest researcher and spend time in residence with GTGC in The Hague are available. If you are interested, we welcome you to contact us. Below you can find our current and former guest researchers.

How did digital intermediality symbolise and facilitate the transfer of content from popular culture into policy statements and vice versa in the period between 1945 and the new millenium?

On June 10, Michelle Achterberg received the prize for best dissertation from the Dutch Neurofederation, the network of Dutch neuroscientists, for her thesis 'Like me, ore else...'. Achterberg obtained her doctorate cum laude from the Gravitation Program 'Samen Uniek' of the Leiden Consortium on Individual…

As a result of globalisation, migration and technological advances, politicians have to make complex choices about social security and labour market policy. Professor by special appointment Olaf van Vliet will speak about this topic in his inaugural lecture on 7 June.

The Department of Company Law and Financial Law provides education and conducts research in areas including the law of legal entities and corporations, financial contract- and liability law, corporate governance, sustainability, Dutch and EU financial regulatory law, mergers and acquisitions, insolvency…

Analysing the ways in which immigration structurally challenges and changes the organization and conceptual boundaries of national welfare states.

Your time in Leiden is about more than just studying. Some of your best experiences will come from being part of our vibrant and diverse student community, and from living in the beautiful city of Leiden.

In 2015 the division ‘Migration and Crime’ of the Dutch Society for Criminology has been established to bring together academic researchers that are active in this diverse field with each other and relevant persons and organisations. On March 10 it will organise its first seminar on labour exploitation,…

This project aims to answer legally relevant questions in the field of consumer law by means of empirical research.

Africa has a population of 1.5 billion people. By 2050, this number is projected to rise to 2.5 billion. The continent’s impact on the global economy, societies but also on the environment, will therefore increase drastically.

The bottom-up development of post-Roman northwestern Europe

Africa has a population of 1.5 billion. In 30 years’ time, this will be 2.5 billion. The continent’s impact on the global economy, but also on the environment, will therefore increase drastically. Researchers from the African Studies Centre Leiden (ASCL) have been aware for decades of the crucial role…

Researchers have the whole world as their work area. Dutch researchers collaborate with Chinese, Australians give lectures in Lithuania, Koreans move to America and back. Who can contribute to academic knowledge, who benefits from it and who pays for it? A fair and effective system for this has not…

How can an effective ‘Safe and Circular by Design’ method be developed for practical application in a designer’s context, particularly for the initial stages of product design, incorporating Safe-by-design strategies, LCA/LCT, risk assessment and ethics?

To what extent was labour-induced migration important to the functioning of the towns and cities of Roman Italy?

Designed for high-achieving students, Leiden University’s research MA Asian Studies offers access to unique resources and expertise. Asian Studies at Leiden University has a reputation for excellence that is unmatched in Europe. You can choose subjects from a curriculum that spans the entire Asian region,…

Understanding the complexities of world affairs requires an ability to think critically and to draw insights from a variety of perspectives, sources, and analytic frames. Leiden University’s Master of Arts in International Relations addresses these needs through distinctive humanities-based training…

On 6 March, this year’s Thorbecke Lecture was held in Leiden. Christoph Van der Elst of the Faculty of Law and Criminology at Ghent University delivered the lecture entitled: ‘The digital economy and the digital organisation’.

Cancelled trains, massive queues at Schiphol Airport, nursery closures and long waiting times for health care. These are all the results of labour shortages. Economist Lars van Doorn can see some possible solutions but has some less optimistic news too.

Yesterday, an article appeared in Biznews about the watershortages in California. David Zetland, university lecturer at Leiden University College, gives his opinion about this problem.

Both within the university and also with outside partners, Leiden University participates in sustainability programmes. These initiatives hopefully contribute to a growing and more robust sustainability movement, locally and world wide.