This year Leiden University exists for 444 years! This will be celebrated together with the residents of Leiden and The Hague during various activities. One of these is scientists and residents doing research on plastics and psychology together.

Read-Urban was a first project to investigate whether policy recommendations can be made with the aid of linked data collections and data science and to gain experience with the success factors for such a process.

The Institute of Public Administration studies the complex problems facing the public sector in the 21st century, from climate policy to the effects of digitalisation. Its researchers analyse, explain and help come up with solutions to the challenges of society today.

Netwerk en projecten duurzaamheid verduurzaming green office en green team

The Leiden University Green Office (LUGO) is working hard to make Leiden University more sustainable. LUGO has two main objectives: Structurally integrate sustainability in Leiden University’s education, research, and facilities. Foster a culture of sustainability in the community of…

Preparatory year Leiden

The LHSC booster grants awarded are described below. The summaries below are aimed at the general public. For further detail, please contact the researchers in question.

As a student residence permit holder you must meet a number of obligations during your stay. Make sure to familiarise yourself with these obligations before submitting your visa/residence permit request.

How safe do you feel when you’re walking around the streets of Leiden? Do you generally feel safe? Are there any situations when you feel unsafe in the city? These are the kinds of questions that Leiden’s City Criminologist Marianne Franken – from Leiden University – hopes to be able to answer. In collaboration…

In this paper, Kantorowicz aims to track the persistent effect of former partitioning borders on property tax rates in Poland.

Leiden University social scientists have shown that customised intervention pays off. A new fundamental research-based approach in children who are in danger of going off the rails has delivered spectacular results.

In the Netherlands judges are not the only ones to impose sentences. The Public Prosecution Service and the authorities can also pass sentences. Experts from Leiden research how these sentencing processes work and how they can be improved in order to protect the legal status of the public.

Students support primary schools in reducing backlogs due to Covid-19

Leiden University and the Municipality of Leiden worked together on the development of the Schilperoort Park. This new public space is situated in the north-eastern part of the Leiden Bio Science Park. The park ambience is extended into the adjacent residential area, where former medical laboratories…

The arts and science: for years, they were seen as opposite extremes. One calls on emotion and the other on reason. The Academy of Creative and Performing Arts (ACPA) proves that nothing could be further from the truth. ACPA is where the knowledge and expertise of Leiden University and the University…

What is the difference between highly visible and poorly visible monuments on the alignment? And is this difference reflected in the social position of the dead buried underneath these mounds.

The research programme of the Prehistoric Farming Group (European Prehistory) has several research projects. The largest and longest in terms of continuity is the Maaskant project directed by prof. dr. Harry Fokkens.

Conducting research on reliability of journalism and the trust in media.

This dissertation takes an important step in understanding the phenomenon of non-take-up of social support and what it means for contemporary social policies.

LIACS is a partner in RISE_SMA, an interdisciplinary, international network combining excellent scholars and practitioners to enable vigorous knowledge sharing and to develop solutions for contemporary challenges for Social Media Analytics (SMA).

This research evaluates the Youth Act. It will provide an overview of how the transition takes place, whether the transformation process develops in the right direction and whether the legal safeguards are functioning properly.

At Leiden Bio Science Park (LBSP) Leiden University works together with the business community, the LUMC and the Municipality of Leiden.

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This study explores public leaders’ organizational learning orientation in the wake of a crisis. More precisely, we study the association between public leaders’ public service motivation and their learning orientation (instrumental versus political).

Sewer pipes are an essential infrastructure in modern society and their proper operation is important for public health. To keep sewer pipes operational as much as possible, periodical inspections for defects are performed.

At Leiden University, master's and advanced bachelor's students have the opportunity to take on a societal challenge alongside their regular studies, by taking on an Impact Challenge from one of the partner organisations of the Honours Academy. These can be societal organisations, municipalities and…

This project aims to explore, in general, what explains civil servants’ attitudes and behavior, and, in particular, why some civil servants are more committed to professional norms and public service values – such as impartiality, equity, efficiency, and innovation – than others.

Why are the local parties so popular? Researchers at Leiden University gave their reaction the day after the elections of 21 March.

Leiden is the place for Law

You may find the answer to your question on this page.

Loneliness and social isolation have become a significant problem in contemporary Japan. The financial burden associated with an ageing population has severely constrained the ability of local authorities to address the problem. As a result, policymakers have sought cost‐effective methods of tackling…

In this dossier you can read about Leiden University’s commitment to sustainability.

In this paper, Kantorowicz argues that reverse party favoritism exists. He exploits the fact that during the SARS-CoV-2 pandemic crisis, the Polish government was keen to launch postal voting in the presidential elections scheduled for May 2020.

On 19 December 2019, Reza Eftekhar defended his thesis 'The Role of the Domestic Law of the Host State in Determining the ratione materiae Jurisdiction of Investment Treaty Tribunals: The Partial Revival of the Localisation Theory'. The doctoral research was supervised by Prof. E. de Brabandere.

Caribbean archaeological heritage is threatened by natural impacts but also increasingly by economic developments, often resulting from the tourist industry. The continuous construction of specific projects for tourists, accompanied by illegal practices such as looting and sand mining, have major impacts…

This project analyses the democratic consequences of increasing decentralization and regionalization in European countries. Through an original approach that foregrounds informal political dynamics, it studies the functioning of democracy in subnational units, and investigates the effects of ever more…

Promotores: Prof.dr. G.A. Persoon & Prof. dr. H.H. de Iongh

Impact Challenges are extracurricular courses in which students work towards solving a current problem of an external partner of the Honours Academy. The education is project-based, high-level and multidisciplinary. Through Impact Challenges, students can positively impact a real-world issue.

The goal of the Bachelor Honours Programme Sustainability is to provide students with the knowledge and tools to make a contribution towards a sustainable society.

We always try to answer questions about the Old Observatory Leiden as well as possible. Choose the subject you have a question about from the dropdown menu below.

Smart digital infrastructures predicated on myriads of sensors distributed in the environment are often rendered as key to contemporary urban security governance to detect risky or suspicious entities before or during a criminal event takes place. At the same time, they often involve surveillance of…