How and when do interest groups organise themselves as transmission belts and what are the implications for their political relevance among public officials involved decision-making processes?

Addressing the core novel objective of scalably assessing the impact of possible interventions through counterfactual prediction based on spatio-temporal data.

The energy system is at the heart of two of the greatest challenges of the 21st century: decreasing CO2 emissions to meet the ambitions of the Paris agreement while fulfilling the growing energy demand associated with the economic aspirations of a growing world population.

Central to this research is the Urban Future-project, which consists of a large archive of artworks made from 2002 until now.

Arts and leisure, Arts and leisure

Enhancing social inclusion through developing methods and analytical tools for understanding and reasoning about such phenomena based on sensor data.

The MSc Dutch Politics at Leiden University offers in-depth insight into contemporary political dynamics in the Netherlands, including parties, public policy, governance, and societal challenges.

This study offers a new view on public services in the early modern Low Countries and answers the following questions: who provided public facilities in urban communities and in which ways did public amenities change in the period between 1500 and 1800?

In what ways climatization influences EU governance and does it impact the power of the institutional actors?

On Friday 7 March 2025 Adam Knight successfully defended a doctoral thesis and graduated.

Timely, adequate and optimal treatment of infectious diseases is essential for the survival of patients with bacterial infections (Surviving Sepsis campaign).

This research proposal focuses on historically informed performance (HIP) and adaptive performance practices within the late 18th-century German musical context.

The research aims to explore the evolutionary adaptability of enzymes and the impact of temperature on protein evolution pathways, using M. tuberculosis β-lactamase BlaC as the object of study. Enzymes inherently embody a delicate balance between activity and stability, and the acquisition of new enzymatic…

The prevalence of obesity (BMI >40 kg/m2) has increased rapidly over the recent years, not only in adults, but also in children and adolescents.

Organic molecules in interstellar space are important as they influence the structure of galaxies and star formations. Studying catalytic processes in space allows us to understand how molecular species are formed and chemically evolved in the interstellar medium and solar system objects.

Although nanoparticles are extensively used in various applications like consumer products and have most probably entered the environment, little is known about the effects of these particles on living organisms.

My research examines children’s responses to humor in children’s poems translated from English into Filipino.

For each living organism health is ensured by correct functioning of its cells. Cells therefore have elaborate methods for regulation of their proteins.

Green hydrogen is produced via a process called water electrolysis. During electrolysis water is split into oxygen and hydrogen.

This thesis investigates opinion dynamics on random graphs through the lens of the voter model, a classical interacting particle system used to describe how consensus emerges in networks.

The aim of the research programme Systems Pharmacology lies in the development of personalised medicine strategies, and development of new systems-based approaches in translational and clinical pharmacology.

On 24 January 2024, Vethaak defended the thesis 'Empirical Analysis of Social Insurance, Work Incentives and Employment Outcomes'. The doctoral research was supervised by Koen Caminada and Pierre Koning.

On the 16th of May, Qing Yang successfully defended a doctoral thesis. The Leiden University Centre for Linguistics congratulates Qing on this achievement!

On 12 March, Frederik Heitmüller defended the thesis 'Combatting tax avoidance, the OECD way? The impact of the BEPS Project on developing and emerging countries’ approach to international tax avoidance'. The doctoral research was supervised by Madeleine Hosli and Irma Mosquera Valderrama.

Clinical development of drugs for central nervous system (CNS) disorders has been particularly challenging and still suffers from high attrition rates.

Promotores: G.R. de Snoo, W.T. de Groot, Co-promotor: C.J.M. Musters

This thesis focuses on the social dimensions of crane and wetland conservation in rural landscapes in Kenya, Uganda and Zimbabwe.

This article written by Marieke Liem & Alexander Kamprad investigates the relationship between terrorism and interpersonal violence. They conducted cross-national analyses on the effects of terrorism mortality rates on homicide rates. Results showed that terrorism appears to be robustly and positively…

This thesis explores how bees and hoverflies are distributed across the Dutch landscape and how ecological and landscape factors shape their occurrence.

Brian Shaev

In A History of Plague in Java, 1911–1942, Maurits Bastiaan Meerwijk demonstrates how the official response to the 1911 outbreak of plague in Malang led to one of the most invasive health interventions in Dutch colonial Indonesia.

Wim Klooster and Gert Oostindie present a fresh look at the Dutch Atlantic in the period following the imperial moment of the seventeenth century. This epoch (1680–1815), the authors argue, marked a distinct and significant era in which Dutch military power declined and Dutch colonies began to chart…

In the Master's programme Crisis and Security Management, specialisation Terrorism and Political Violence, we focus on the academic body of knowledge on different form of protests, contention, resistance and violence. We explore and explain the emergence of radical and extremist movement.

Tax scandals, like the Panama Papers, the Paradise Papers, and the Pandora Papers, have made taxation a major topic of public debate. Learn more about this in the new minor Tax and Society: Building a Sustainable and Fair Tax System.

From Apartheid in South-Africa to 9/11 in the United States: there is not a single culture that is not shaped by the memory of war or conflict. The minor Cultural Memory of War and Conflict focuses on how such memory cultures influence and shape societies today.

This PhD project investigates how Russian state-aligned media frame the war in Ukraine for international audiences and how these frames travel across borders, being adopted, adapted, or challenged by foreign media and political actors.

This subproject offers a political and transnational perspective on the development and uses of public memories of the Revolt in the seventeenth century.

How did rulers in the Netherlands and in adjacent smaller German territories adapt their regimes to ongoing change in legitimacy and decision-making during the transition period 1780-1820?

Governance is a complex puzzle of organisations, people and divergent interests. Academic research in this field furthers our knowledge of the role of public administrators, of different organisational structures, of the people who work at such organisations and of how these organisations implement…

This project is situated within the context of an innovation of the biology curriculum in Dutch secondary schools. The main purposes are (1) to clarify the relation between teachers’ practical knowledge and the decisions they make when planning and implementing their lessons and (2) to develop a professional…

Public sector decision-makers operate amidst an abundance of information and unclear political objectives. Attention is the sine qua non of policy-making: What is attended to can be addressed in policy responses; what is overlooked or goes unnoticed cannot. Despite its importance, public administration…

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.

This NWO-funded research programme focuses on the assumptions and methodology of the writing of history of science. History of science is in many respects a flourishing discipline: it currently yields an impressive volume of studies. Systematic reflection about the ways in which history of science may…

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..

This project involves research into the oeuvre of the Sundanese sculptor Iko, who has worked for the Catholic mission in Java and has carved sculptures for a chapel and church in Ganjuran. The images were designed by the Catholic layman Jos Schmutzer and are characterized by a fusion in style and symbolism…

Central to Nuranisa’s PhD project is the cultural diplomacy practiced by the Javanese courts of central Java (Surakarta, Yogyakarta, Pakualaman and Mangkunegaran) in response to the increasing Dutch colonial power in the 19th and early 20th century.

This three-year programme offers you a unique chance to gain a specialised qualification in a rich, valuable area of knowledge, plus the freedom to tailor the programme to your own ambitions. And what better place to study than in Leiden, the international centre of Dutch studies?