European policy affects our lives: from air quality to the frequency of a bus service. Leiden researchers analyse how the European Union functions, how countries apply European policy and whether this policy actually provides solutions and delivers.

After an initial suggestion of a move toward Israel, India’s Prime Minister Modi has signaled a significant recalibration of his government’s engagement with the Middle East region. Now, India seems to be prioritising strong ties with the Gulf states.

Leiden experts research ways in which European legislation is converted into national legislation. Knowing how this process works can inspire policy-makers trying to achieve their aims while abiding to Europan legislation.

From the smallest level of interaction among families and close friends, over the meso-level of schools, shops, churches, religious communities and companies, to the highest level of nation-states and international organisations: Language Policy and Planning (LPP) is everywhere!

The aim of this study was to provide insight into how teachers in higher education can be supported in the design, implementation and evaluation of group assignments by developing a theoretical and evidence-based framework for the design of group assignments.

This thesis describes the design, synthesis, and immunological evaluation of varying (neo)antigenic peptide conjugates containing either a TLR2 or a TLR7 agonist.

As humans we have a tendency to judge certain actions as either right or wrong. Where does our moral sense come from? We found evidence that infants who are only one year old prefer those who comfort as opposed to ignore another who is sad.

Many of the big challenges of the 21st century (climate change, international migration, financial instability, socio-economic inequality) find their origins in the organisation of the global economy. Any solution to the world’s big challenges therefore requires forceful policy interventions at the…

This research paper was requested by the European Parliament's Committee on Civil Liberties, Justice and Home Affairs. It was published by the International Centre for Counter-Terrorism (ICCT) in The Hague. Leiden University is one of the participating institutes in this publication and our researcher…

Criminology and Security Policy is a challenging Dutch-taught master's programme at the renowned Leiden Law School of Leiden University. This programme – with its multidisciplinary perspective - focuses on the security issues in society and the development of effective and legitimate policy in order…

What evaluative languages (errors, mistakes, vices, etc.) did book reviewers employ? To what extent and on what occasions did they invoke early modern vices? And to what extent did this differ across fields or change over the course of the century?

The NWO-funded Vidi project “American foreign policy and liberalism” challenges the idea that the United States has created and sustained a “liberal international order” since World War II. It instead explores the ways in which illiberal ideologies – such as those underpinning racial hierarchy at home…

Sjoerd Keulen holds the new special chair in Public Audit, Policy Evaluation and Accountability.

Great apes and the right to health

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 CADS adheres to and teaches an approach to research ethics and integrity that emphasizes the processual nature of informed consent, situational ethics, and the indispensability of continually updating the ethical tradition in international anthropology in all the work of its researchers…

Promotor: Prof.dr. G.R. de Snoo

Promotores: Prof.dr. G. Miley & Prof.dr. J.M. van den Broek

EUMOTION explores the role of emotions expressed by political elites (at EU- and member state-level) in framing the EU’s policy options during international crises.

Development of indicators to assess decoupling of economic development and environmental pressure in the EU-25 and AC-3 countries.

This paper aims to understand the most common underlying problems causing strategic surprise in the context of the European Union.

An international comparative study of the Netherlands, Belgium, Denmark, France, Germany, the United Kingdom and the United States.

Think tanks have proliferated in most Western democracies over the past three decades and are often considered to be increasingly important actors in public policy. Still, their precise contribution to public policy remains contested.

What are the biological effects of Chinese herbal medicine in regulation of cancer cell metastasis?

Yuxi Nie defended her thesis on 15 October 2019.

How is Indian foreign policy made? This special issue of the journal India Review, edited by political scientists Nicolas Blarel (Leiden University) and Avinash Paliwal (SOAS University of London) features a number of interesting case studies that bridge the gap between Foreign Policy Analysis and India’s…

European countries struggling how to deal with the issue of returning foreign fighters, women and children from the Caliphate.

What are the key technical, social, regulatory, economic, and ethical considerations for scaling up ocean-based Carbon Dioxide Removal (CDR) approaches, and what integrated assessment frameworks and governance structures are needed to facilitate their implementation at scale?

In online games conflicts between players may arise. Novin, Bos, Stevenson and Rieffe investigated factors that may explain why some adolescents react more angrily than others in this type of situation. In their realistically designed gaming environment, the (pre-programmed) fellow player suddenly started…

The Master’s specialisation in Sociology of Policy in Practice teaches you to think along with organisations to help them respond to the challenges they are facing in our global and quickly changing societies.

The debate in Europe about digital sovereignty, technological sovereignty, data sovereignty and strategic autonomy has been building over recent years at both the EU level and the level of individual Member States. The different concepts – and their diverse interpretations – cover the sovereignty concerns…

‘It became very clear that Brazilian legislative policy was frail, obsolete and unreliable,’ says Felipe de Paula. He defended his dissertation on the limits and possibilities of legislative policy in Brazil on Tuesday 27 March 2018.

How to minimalize the chance of recidivism for extremist prisoners.

Researchers from the Institute of Public Administration study the mechanism of lobbying and influencing political parties and the behaviour of these parties to see how solutions are found to problems. This enables them to reach conclusions as to how best to effect changes in political focus and poli…

Animal models suggest that the chemokine ligand 2/CC-chemokine receptor 2 (CCL2/CCR2) axis plays an important role in the development of inflammatory diseases. However, CCR2 antagonists have failed in clinical trials because of a lack of efficacy.

Promotor: Prof.dr. T.H.W. Bäck

Source: Structure , Volume 22, Issue 8, pp. 1120-1139 (2014)

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Promotor: Prof.dr. B. van de Water, Co-promotores: L.T.M. van der Ven, A.S. Kienhuis

In this article, Martin Sievert and Jonas Bruder investigated whether and how administrative burdens influences citizens' perceptions of welfare policies and attitudes towards beneficiaries.

Diversity and inclusion are core values of Leiden University. Leiden University has committed itself to a policy that aims to become an inclusive community which enables all students and staff to feel valued and respected, and to develop their full potential. The Diversity & Inclusion Expertise Office…

This article reviews how external expertise supports intelligence production and crisis decision-making with Germany's response to the Russio-Ukrainian war.

This project, commissioned by DG Research and Innovation, aims to provide information for policies that lead to the creation and improvement of the conditions which will allow researchers and European industries to safely master the properties of nanomaterials and to innovate with nanotechnology.

EU foreign policy has become increasingly politicised over the past years, amongst others as a consequence of the succession of crises. Crises may engender processes of crisis framing and contestation. This article focuses on how the policy demands being voiced in these processes of contestation are…

Does the political context (e.g., democracy vs. authoritarianism) influence what makes people perceive authorities as legitimate?