Promotor: Prof.dr. K.H. Kuijken, Co-Promotor: Dr. H.Hoekstra

In this thesis, the research focuses on the properties of dark matter and dark matter haloes and how they connect with the galaxies we can observe in the Universe.

We explored the Universe using weak gravitational lensing, a phenomenon that occurs when light from distant galaxies is bent by the gravitational fields of closer cosmic objects, much like how a lens distorts light.

In the master’s specialisation in Economic and Consumer Psychology, students study the psychological mechanisms that underlie many of our choices and decisions concerning consumption and other economic behaviours.

The Netherlands cannot stop European labour migrants coming here. Nor does The Hague have much influence on the influx of asylum seekers. But experts believe that we should be able to reduce the need for labour migrants by using intelligent economic policies.

Gert Renkema, Head of Financial Economic Affairs/Business Controller of FGGA, tells us how the faculty is doing

Receiving welfare benefits has a major impact on criminal behaviour. This has been demonstrated by Marco Stam, who defended his thesis on 20 January 2022.

We are pleased to invite abstracts for a conference on ‘Advancing Social, Economic, and Cultural Rights in a Polarised, Digitalised, and Unequal World’ to be held at Leiden University on 4 and 5 September 2025, in collaboration with Netherlands Network for Human Rights Researh (NNHRR).

Why is Crossnational and Cross-cultural agents such as Henrich Carloff and Willem Leyel important when studying Early Modern expansion?

Who is Economic Man? Every economic paradigm presupposes an anthropology, a theory of human nature. This project explores the anthropologies presupposed and produced by ancient Greek economic texts, and the specific knowledge forms that shape these anthropologies.

Employer organizations have been presented as strong promoters of the liberalization of industrial relations in Europe. This article, in contrast, argues that the preferences of employers vis-à-vis liberalization are heterogeneous and documents how employer organizations in Spain, Italy, and Portugal…

Who had a say in making decisions about the natural world, when, how and to what end? How were rights to natural resources established? How did communities handle environmental crises? And how did dealing with the environment have an impact on the power relations in communities?

Each scientific institute has its own dynamics. The Executive Board is visiting the different institutes to find out what is going on there. On 11 March, staff at the Institute of Tax Law and Economics talked to the Board about their teaching and research. What is going well and what are the challen…

The unemployment replacement rate data set, assembled by Olaf Van Vliet & Koen Caminada (version 1, January 2012), provides data on unemployment benefit schemes in 34 welfare states from the 1970s until 2009. The current data set includes all 27 member states of the European Union and 7 non-EU OECD…

The department of Financial and Economic Affairs at FGGA is always busy with…..finances. It is an important department that impacts, directly or indirectly, everyone working at FGGA. Yet, for many of us, it is not always clear what it is that Gert and his team actually do. What is the financial status…

The Leiden Ancient History specialization concentrates on the study of the economies, societies and cultures of the large empires of the Graeco-Roman world, starting with the empires of Alexander the Great and his successors. The appearance of these empires led to the development of an interaction network…

We are interested in understanding the mechanics of soft materials, of which biological materials are prominent examples.

The Graduate School of Governance and Global Affairs offers PhD programmes that address the pressing societal challenges of our time.

In the late 19th and early 20th century, hundreds of thousands of Chinese labor migrants crossed the seas to the Dutch East Indies. On the tobacco plantations of northeastern Sumatra and in the tin mines of Bangka and Belitung, they endured long hours and harsh conditions. Their journeys formed part…

Tuberculosis is a major global health problem caused by the Mycobacterium tuberculosis complex, claiming more than a million lives annually.

We are a dynamic research group at the Leiden Institute of Physics. Our aim is to explore and understand quantum materials, including strange metals, high-temperature superconductors, and quantum critical electron matter.

Promotor: S.M. Verduyn Lunel, Co-promotor: O. van Gaans

Promotor: Prof.dr. G.R. de Snoo, Co-promotor: R. Heijungs

Twice a year, Gert Renkema, Head of Financial Economic Affairs at FGGA, shares insights about the processes and financial matters for our faculty.

Psychology graduates acquire skills useful in a variety of jobs. Whether helping people with mental disorders, researching the brain or deciding who should be hired at a company, psychologists can do it.

On 4-5 December the Europa Institute and the Faculty of Governance and Global Affairs of Leiden University organize a conference on the Transatlantic Trade and Investment Partnership (TTIP).

Considering the ways in which the ‘global turn’ is changing the theory and practice of historical disciplines, Explorations in History and Globalization engages with the concept and methodology of globalization, challenging traditional divisions of space and time to offer a range of perspectives on…

Researchers from the department of Economics – Marike Knoef, Kees Goudswaard, Koen Caminada, Jim Been en Lieke Kools- have been awarded a major subsidy provided by Netspar. Netspar is a scientific knowledge network which is dedicated to promote a better understanding of the economic and social impact…

Today over 1000 chief executives and more than 40 world leaders meet in the Swiss village Davos to discuss the world's issues of today. What is the importance of the conference and what is the actual effectiveness? Dr. Alexandre Afonso, assistant professor in the Department of Public Administration,…

The Southern African Development Community (SADC) and the Federal Republic of Germany solidified their commitment to collaborative development with the signing of the SADC-German Framework Agreement on Development Cooperation.