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.

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.

LION offers a PhD program in which candidates carry out independent research on a specific topic, culminating in a PhD thesis.

What would a university be without its students? In 2025, we will celebrate 450 years of studying with an exhibition showcasing our students from the past centuries. How did they study in the past? And how do they study now? This outdoor exhibition will be on display from 23 April at the Hortus bota…

The Faculty of Governance and Global Affairs is one of a total of seven faculties of Leiden University, located in The Hague.

Papyrology+, founded in 2014, is a collaboration of Leiden scholars studying (Abnormal) Hieratic, Demotic, Aramaic, Greek, Latin, Coptic, and Arabic papyri from a socio-historical, economic and linguistic perspective. Papyrology+ aims to explore new opportunities and directions in the study of ancient…

Tot onze grote droefheid is op vrijdag 13 september 2024 Victor Halberstadt overleden. Hij was sinds 1974 als hoogleraar Openbare Financiën verbonden aan de Afdeling Economie van de Faculteit der Rechtsgeleerdheid van de Universiteit Leiden; de laatste jaren als emeritus hoogleraar. Daarnaast bekleedde…

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.

Issues such as climate change, the depletion of natural resources or social inequality are too complex to be addressed from a single scientific discipline or by a single country. Leiden University has the expertise to bring the resolution of these enormous problems a small step closer.

Lars van Doorn, research staff member at the Department of Economics at Leiden University, is shortlisted for the Daniël Heinsius Prize for the best master thesis of the Netherlands and Flanders.

After 45 years at Leiden University, it is time for Kees Goudswaard to retire. In his farewell lecture, he reflects on developments in his field: social security.

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.

Een uitbreiding van de NIMAR collectie van de Universitaire bibliotheken Leiden.

The celebration of the university’s 450th anniversary is not confined to the walls of the university. For the 7th time, professors stood in front of the class of grade 7, in both Leiden and The Hague. Four FGGA professors visited primary schools, introducing the children to research questions such as…

Are you in need of some rest, stressed about an exam, or feeling under the weather? Since a few months you can find Mindfulnest at the Science Faculty. Assessor Ava Bauer and student psychologists Petra Penning and Koen Linders explain what the Mindfulnest can mean for you.

Astronomer Koen Kuijken and physicist Tjerk Oosterkamp have each been awarded a major subsidy by NWO. The funding will allow them to construct new research facilities.

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…

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…

Conference, Call for papers

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?

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…

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,…

As one of the first environmental scientists ever, Arnold Tukker received the honorary doctorate at Linköping University on Saturday 12 November. This Swedish university awarded Tukker for his scientific work to establish a circular economy.

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.

This dissertation investigates the fabric and the infrastructure of contemporary artistic production.

Global Challenges is the research programme of the Leiden Institute of Cultural Anthropology and Development Sociology.

Tools and Data of the department of Environmental Biology

Members of LUCIR contribute to various education programmes in the sphere of international relations, exchanging expertise with both bachelor’s and master’s students.

Promotor: G.J. Kramer Co-Promotor: E.G.M. Kleijn