This research sets out to answer the following questions:

This article, by Sara Perlstein, explores how perceived social acceptability shapes whether people talk about risks, showing that risk perceptions and conversations are socially negotiated rather than purely individual.

The Leiden Risk & Regulation Lab serves as hub for excellent research in regulation and risk governance and acts a platform for engagement with the practice and education of regulation and risk governance. Specializing in risk governance, responsive and effective regulation, reputation and accounta…

This book presents concrete solutions for managing the legal risks distorting the development of various areas of EU law. It pursues an innovative and effective approach to identify legal risks, their causes at the EU level and their impacts on the functioning of the Union and its Member States. It…

Effects of maternal smoking, premature birth, intra-uterine growth retardation and asphyxia on child development.

This article aims to provide a coherent foundation for empirical studies of interpersonal discussion on risk.

This report examines the questions

Risk has become one of the defining features of modern society. This course examines various types of safety and security risks, and how these are perceived and dealt with in a wide array of professional and academic fields, ranging from criminology, counter-terrorism and cyber security, to philosophy,…

At the moment, over 350.000 chemicals are registered worldwide for production and use. Their application, however, may harm human health and the environment.

Alternatives to current practice

In this thesis, deep learning is studied from a statistical perspective. Convergence rates for the worst case risk bounds of neural network estimators are obtained in the classification, density estimation and linear regression model.

Jacques Sevat discussed the practical and legal aspects of global collateral management: collateral management to reduce the credit risks a global bank such as ING Bank runs every day.

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How to access the end-of-supply risk of spare pares using big data analytics

This article investigates which factors most influence individuals’ decisions to engage in conversations about risk.

Andrea Bartolucci is Assistant Professor at Institute of Security and Global Affairs. In this study, the scholars adopted a multidisciplinary approach to investigate wildfire risk in Van Chan district in northern Vietnam, a region where official data are sometimes difficult to collect or inconsisten…

This article provides a list of the concepts and key elements that should be considered when creating effective communication messages.

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How can mentors and social workers foster the vocational identity of at-risk youth and improve their prospects?

Promotor: Prof.dr. M. Danhof, Co-promotor: O.E. Della Pasqua

The 2012 crisis in Mali, where the state collapsed and terrorist groups took over the north, came as a surprise to many. Mali had been considered a poster-child for democracy and was judged as considerably more stable than its neighbors by leading quantitative indices of state fragility. This article…

This paper critically compares seven widely used risk assessment tools for violent extremism, including the VERA-2R, the ERG 22+, the SQAT, the IR46, the RRAP, the Radar, and the VAF.

On 12 September 2019, Michiel Rhoen defended his thesis 'Big Data, Big Risks, Big Power Shifts: Evaluating the General Data Protection Regulation as an instrument of risk control and power redistribution in the context of big data'. The doctoral research was supervised by Prof. G.J. Zwenne and Prof.…

The focus of this thesis is on the technical methods which help promote the movement towards Trustworthy AI, specifically within the Inspectorate of the Netherlands.

Supply risks are not new. But the aggravation of power conflicts on the international stage coupled with global shifts towards energy transition and digitalization has triggered the next supply risk research era.

Barrie Sander identifies different categories of risks and concern of relying on artificial intelligence technologies to confront climate change.

Wouter Jong and Hanne Goossen explore best practices in risk and crisis communication within the tourism sector, aiming to identify effective strategies

How do government officials and humanitarian organisations in Malawi anticipate and speculate on future disasters?

How are digital risk-profiles developed and used in practice?

The sentencing decision of the judge might be the most important decision in the criminal proceedings, not only because of the impact the punishment has on the offender, but also because the sentencing decision is a cornerstone of the legitimacy of the entire criminal justice system.

This longitudinal study is focused on neurodevelopmental problems in young children with XXY, XXX and XYY, aged 1 to 6 years.

Taking Mozambique as a case study, the aim of this research is to develop a methodology for improving flood risk assessments by extending hydrological records using paleo hydrologic evidence of past floods, combined with a socio-legal assessment of the land rights of those impacted by climate change…

Our modern society thrives on chemicals, and demand is only growing with novel chemicals being introduced onto the market. However, with increasing demand, so come potentially increasing ecological consequences of these man-made chemicals.

Up to 45% of patients with Parkinson's disease experience impulse control disorders, characterised by a loss of voluntary control over impulses, drives or temptations. This study aimed to investigate whether previously identified genetic and psychiatric risk factors interact towards the development…

The overall aim of the project is to investigate effective ways to strengthen vocational identity of at-risk adolescents in order to contribute to a successful transition from late secondary to post secondary lower vocational education or to work.

Human Rights at Risk brings together social scientists, legal scholars, and humanities scholars to analyze the policy challenges of human rights protection in the twenty-first century.

M. Danhof, Co-promotor: O.E. Della Pasqua

The researchers explore how instructional risk communication can support public safety during nuclear emergencies.

Student cooperativeness underlies high quality teacher-student relationships, and has been positively associated with students’ school engagement. Fostering cooperative rather than oppositional student behavior might be especially helpful for protecting at-risk students against academic failure.

In this article, Thomas Maguire, assistant professor at the Institute of Governance and Global Affairs, examines the intelligence of the US, British and Ukrainian governments and NATO partners concerning Russia and its war against Ukraine. This article discusses how and why governments communicate intelligence…

Through a range of case studies spanning the post-Cold War period in Iraq, Moldova and Serbia, this book studies asymmetric conflicts where warring sides exhibit vast power differentials.

Global climate change is manifest by local-scale changes in precipitation and temperature patterns, including the frequency of extreme weather events (EWEs). EWEs are associated with a myriad range of adverse environmental and societal consequences, including negative impacts to agriculture and food…

The lecture series 'Humanity in the Automated State' concluded on 26 May 2026 at Leiden Law School with its closing lecture by Professor Natali Helberger from the University of Amsterdam.

Rogier Kegge, Assistant Professor in administrative law and environmental law, is a member of the Dutch Health Council’s Committee on Livestock Farming and Health. The Committee recently published a report on links between goat farms and pneumonia.

Reijer Passchier, Assistant Professor of Constitutional and Administrative Law, recently published a statement entitled 'The AI Safety Summit at Bletchley Park Asked the Wrong Questions' in the International Journal of Social Quality.

The amended Intelligence and Security Services Act (WiV) enacts a fundamental change in the relationship between the security services and politics. This carries the risk of politicisation of information, according to Professor Paul Abels. Inaugural lecture on 16 February.

Episode of Stop de Sloop (Stop the Demolotion), a podcast about higher education.

TikTok’s stricter age checks are a good move, says Bart Custers, Professor of Law and Data Science, in an opinion piece in ‘de Volkskrant’. But he warns of risks related to privacy and discrimination.