How do people become involved in terrorist organisations? Liesbeth van der Heide sought the answer to this question in a Malian prison, where she interviewed terrorists in a tiny cell. She discovered that the will to survive and social context are often more decisive than individual ideological convictions.…

Where did species survive the cold cycles of the current Ice Age?

The Dutch Department of Justice will give imprisoned terrorists the opportunity to earn money. This should have an positive effect on the resocialisation of detainees.

Maria Yazdanbakhsh, Professor of Parasitology at the Leiden University Medical Centre (LUMC), has been awarded an ERC Advanced Grant of 2.5 million euros. She will investigate why people in Africa and Southeast Asia respond less to certain vaccines than Europeans. Her goal is to find a solution for…

Promotor: E. Gittenberger, Co-promotor: B.W. Hoeksema

NWO awarded a grant for novel research on Complex and Distributed Cyber-Physical Systems (CPS). The grant will fund a four-year research project in which they hope to devise a method to explore and find optimal designs for CPS. Todor Stefanov, Associate Professor at the Leiden Institute of Advanced…

This study focuses on the local level impacts of a highly globalised industry: the international trade in tropical timber.

Interactive exploration of large volumes of data is increasingly common, as data scientists attempt to extract interesting information from large opaque data sets. This scenario presents a difficult challenge for traditional database systems, as (1) nothing is known about the query workload in advance,…

The Economics and Governance specialisation of the Master in Public Administration teaches you to formulate problem-solving approaches to concrete policy issues found at the intersection between economics and public administration. This specialisation is a unique joint offering of the Department of…

A workshop (Cairo, Egypt, 14-15 September 2018) organized by the Netherlands-Flemish Institute in Cairo with support from “DICIS” / Digital Cinema Studies https://www.digitalcinemastudies.com/

Leiden Budget Incidence Fiscal Redistribution Database (2011), assembled by Chen Wang and Koen Caminada (Version 1, August 2011), presents the disentanglement of income inequality and the redistributive effect of social transfers and taxes in 36 LIS countries for the period 1970-2006.

Data Sets Department of Economics

Meerdere kranten schrijven over een onderzoek van Wimar Bolhuis naar de Nederlandse belastingopbrengsten.

Promotor: Ronald Cramer, Co-promotor: Serge Fehr

In the period 1977–2020, the purchasing power of the Dutch population increased by 58 percent. The sharpest rise occurred from 1999–2009 (22 percent). This is the outcome of research conducted by Leiden University and Statistics Netherlands (CBS).

The key facts and figures about Leiden University from its Annual Report for 2022.

The central research question focuses on identifying shifts in the urban social network in terms of private, semi-public and public space by means of mapping the spatial distributions of wells and cesspits in the town of Haarlem in the course of the pre-industrial period (1200-1800). Shifts may be indicative…

Political scientist Leila Demarest tells about her research to Nigeria’s National Assembly. How do politicians cooperate and how are public resources distributed among the different regions?

Leiden and Austrian researchers have succeeded in further uncovering how a plant cell passes on the growth hormone auxin in a directional manner to the next cell. Three proteins that cling together in a bunch appear to be essential for this important transport process. ‘This discovery solves a crucial…

On 1 October 2019, Emile Cammeraat defended his thesis 'Economic Effects of Social Protection'. The doctoral research was supervised by Prof. K.P. Goudswaard and Prof. P.W.C. Koning.

Virtual currency is a new phenomenon. There is still uncertainty regarding its operation, status and legal consequences.

This PhD-thesis analyses the relationship between the parties’ choices in the CPB Netherlands Bureau for Economic Policy Analysis’ assessments of the election manifestos and coalition agreements over the period 1986-2017, and tries to explain this relationship.

Registration for Speech Prosody 2024 includes two steps:

The consequences of social tendencies for the legislation and institutions in the fields of social security, the labor market policy and pension reform are examined in this multdisciplinary research program..

Here you can find the contact details of your faculty or institute's incoming exchange coordinator, as well as Leiden University’s central International Relations Office.

Within the ICM 2018 project, Leiden University cooperated with 25 partner universities from 14 countries. In total, 97 mobilities were granted to this project - 65 mobilities were realised (some mobilities had to be ended prematurely due to covid-19, others were finished online).

This article presents an evidence-based investigation of spontaneous hospitalization and distribution of patients after the Manchester terrorist attack.

Galaxies form and live inside dark matter haloes. As a consequence, they are exposed to the tidal fields generated by the surrounding matter distribution: this imprints a preferential direction to the galaxy shapes, which leads to a coherent alignment on physically close galaxies, called intrinsic a…

Software and Data of the department Industrial Ecology

How did changes in the composition and exploitation of princely domains in various principalities of the Low Countries influence the development of ‘modern’ public finance systems, including the notion of public debt?

On 19 April, CML researcher Nadia Soudzilovskaia gave an invited talk at The Global Biodiversity Information Facility (GBIF) about her VIDI-funded work on impacts of mycorrhizas on ecosystem functioning. During this project she will closely collaborate with GBIF colleagues.

Conservation of biodiversity is one of the main challenges today. A higher degree of biodiversity results in ecosystems that can withstand adverse conditions and better provide essential ecosystem services. This is the case for both agricultural and natural systems.

On 20 January 2022, Marco Stam defended the thesis 'Essays on Welfare Benefits, Employment, and Crime'. The doctoral research was supervised by Prof. M.G. Knoef.

On 1 October 2020, Arianne de Leeuw defended her thesis 'Scheiding van zeggenschap en belang in de familiesfeer'. The doctoral research was supervised by Prof. F. Sonneveldt and Prof. A.O. Lubbers.

This study investigates the syntax and distribution of the two elliptical phenomena Gapping and Fragments, as well as the movements involved in ellipsis contexts in general.

Overview of CML software and data

We present an extensive study of methods for exactly solving stochastic constraint (optimisation) problems (SCPs) in network analysis. These problems are prevalent in science, governance and industry.

This thesis examines the link between simple molecules and the underlying structure and chemistry within protoplanetary disks - the birthplaces of planets.

Natural history collections provide invaluable sources for researchers with different disciplinary backgrounds, aspiring to study the geographical distribution of flora and fauna across the globe as well as other evolutionary processes.

This paper sheds light on how better monetary-fiscal coordination can be expected to play out across very different political-economic contexts.

This recently released book takes a critical view of conceptual issues and practical problems that inevitably emerge when ‘excellence’ takes center stage in science systems in the Global South. What is ‘excellent science’? And how to recognize and assess it? After decades of inquiry and debate there…