Political scientists John Gerring (University of Texas, Austin) and Wouter Veenendaal (Universiteit Leiden) evaluate the political implications stemming from the size of a political unit – on social cohesion, the number of representatives, overall representativeness, particularism ('pork'), citizen…

Registration for the Co-Align 2023 conference is open!

Nietzsche’s concept of the agon or Wettkampf, a measured and productive form of conflict inspired by ancient Greek culture, has attracted a good deal of interest in Nietzsche studies and beyond. This book, by a leading expert on the topic, brings together research conducted over 20 years with a focus…

Is there a causal mechanism underlying the decision to attack another country when on the brink of war? If so, does this mechanism differ between regime-types? Political scientist Femke Bakker (Leiden University) addresses this question from a political psychological and comparative perspective and…

Discover the impact of financial products on inequality and conflict in South Africa through Erik Bähres' book 'Ironies of Solidarity', now available in Brazil as IIronias da solidariedade. Explore the role of insurance companies in serving financially disadvantaged African individuals.

On this page you can follow PhD defences by Leiden University researchers via videostream.

On 23 and 24 November scholars working on European Justice and Home Affairs, united at the European University Institute in Florence on the occassion of the 25th year jubilee of the Area of Freedom, Security and Justice. The EU policy area covering migration, asylum and criminal justice cooperation.

The most densely populated country in Africa, Nigeria, is fighting a war on two fronts. Not only is Nigeria being confronted with violence on a national level by terror group Boko Haram, on a regional level there are conflicts between shepherds and farmers.

This synthesis brings together strands developed in the four studies, sets out memories of the Revolt and presents the Low Countries as a case study.

Discussing or giving a lecture about a war situation is no easy task. Nonetheless – or maybe for this very reason – students or lecturers do feel the need to have such a discussion during classes. We share here a number of tips and sources to steer the conversation or lecture in the right direction.

Issues such as climate change, the depletion of natural resources or social inequality are too complex to be addressed from a single scientific discipline or by a single country. Leiden University has the expertise to bring the resolution of these enormous problems a small step closer.

Dialogue is a multi-dimensional communication mechanism whose processes can only be examined by means of an interdisciplinary approach.

Leiden University researchers Gisela Hirschmann (Political Science) and Niels van Doesum (Psychology) have been awarded a LUF/Gratama grant for their research on the effects of musical peacebuilding initiatives. When ‘enemies’ make music together, does that change the image they have of one another?…

Sub-Saharan Africa has seen a significant rise in terrorist acts and radicalized youth since the appearance of Boko Haram in 2009 and the fall of Libya in 2012. This book investigates the deeper layers of radicalization in Sub-Saharan Africa, which is situated in a larger global tendency.

The effect of the pilot Teen courts will be evaluated by means of a programme, process and effect study based on qualitative research methods.

The Issues beneath the Surface

We study the link between the acoustic, behavioral and physiological health of birds and prominent pollution factors. We aim to explore causation through experimental studies on detrimental factors like traffic noise, particulate matter and chemical toxins. Our primary target is scientific progress…

Research in Leiden University’s Institute of Political Science focuses on the dynamics and the interaction of political institutions, individual decision-making, and collective behaviour.

The Institute of Political Science has a multi-dimensional research programme that promotes the unity of the institute as an intellectual community rooted in the social sciences and especially political science, while enabling overlapping groups of colleagues to develop particular research agendas within…

This research cluster is a part of the Institute of Political Science’s research programme ‘Institutions, Decisions and Collective Behaviour’. Its members examine the sources, design, effects and contestation of norms, rules, institutionalised practices and formal organisations that operate across national…

The Colonial and Global History Research Programme of the Leiden University Institute for History combines a deep curiosity of transcultural processes such as imperialism, (de)colonization, and globalization with critical historical research on regional societies in Africa, Asia, and the Americas.

This research cluster is a part of the Institute of Political Science’s research programme ‘Institutions, Decisions and Collective Behaviour’. Its members study the design and functioning of Dutch political institutions as well as attitudes and behaviour of political elites and citizens.

The Institute of Security and Global Affairs (ISGA) focuses on multidisciplinary research and education within the international scientific field of security studies.

Lecture

In the theme of Big Cat Month, National Geographic interviewed Professor Hans de Iongh, guest researcher of the Institute of Environmental Sciences (CML) about lion conservation in Africa.

The research within the Private International Law Department covers private international law, with a particular focus on the fundamental principles of formal private international law.

Leiden social and organisational psychologist Carsten de Dreu has been awarded a Spinoza Prize, the top science prize in the Netherlands. We talked to him about his passion for group processes, Leiden University and his dreams for the future. ‘A Spinoza opens up a world of possibilities.'

In zijn oratie bepleit Joachim Koops dat de toekomst van Security and Global Affairs ligt in onderzoek, onderwijs en academisch bestuur.

The team of WIIS-Netherlands exists out of the board members and the advisory council.

Promotors: Prof.dr. G.R. de Snoo, Prof.dr. H. Leirs (Univ. Antwerpen), Co-promotor: H.H. de Iongh

Conference

Political scientist Luzia Helfer (Leiden University) empirically tested claims about media-politics relatiopns using unique data from experimental studies with elected politicians and political journalists in Switzerland and the Netherlands.

Product packaging is essential. It prolongs shelf-live and highly influences purchasing decisions. However, it’s also a big source of waste, especially single-use plastic. Have you ever felt conflicted choosing a product due to the material it’s packaged in? Or opted for a different product due to its…

The project focusses on how US views of the Chinese diaspora in Southeast Asia influenced its strategic interpretations of the region. Being eleven million strong, dispersed across the region and sharing ethnic ties with Communist China, interpretations of the diaspora intersected with key Cold War…

Procedural administrative law in a constitutional comparative law perspective

This book explores the reception of foreign news during the late sixteenth-century civil wars in France and the Netherlands.

Research on lethal violence related to criminal activities.

Mental health issues in the Dutch court: The criminal court as a border guard between the regular Mental Health System and the Criminal Justice system?

The European courtroom as political arena? Judicial interference in politically charged issues in European asylum law and criminal law

COI@Leiden organises activities and events throughout the year. These include a monthly seminar series on topics relating to conflict resolution and PhD labs to assist COI students in developing their research skills.

This study focuses on violence involving juveniles in conflict with the law who are deprived of their liberty in different institutions within the framework of the (juvenile) criminal justice system (inter alia, police detention, pre-trial detention and deprivation of liberty after conviction or sen…

Acquiring and maintaining public support is frequently cited as an important requirement for governments fighting non-state actors. But how exactly can public support influence the course of counterterrorism campaigns and thereby contribute to an escalation or de-escalation of violence?

Find out where you as a staff member or manager can turn for support or a good chat.

The judge as a problem-solver in domestic violence cases involving child victims.

Harm reduction in practice: a comparative analysis of the Dutch and Brazilian approach towards drug users.

An experimental comparison of the impact of liberal norms on a population residing and socialised within a democracy (the Netherlands) with a population in an autocracy (China) and their respective supports for war with another state shows that the level of liberal norms in the democratic experimental…

The research group Cyber Security Governance will provide cutting-edge academic research in the domain of cyber, where modern technology interacts with traditional concepts such as governance, sovereignty, law-enforcement, international relations and conflict.