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Leiden University, Department of Economics

The Social Assistance and Minimum Income Levels and Replacement Rates Dataset, assembled by Jinxian Wang and Olaf van Vliet (version December 2016), provides data on minimum income benefit schemes in 33 countries from 1990 until 2009.

A mosaic is the only image which can do justice to museums in the Caribbean. They are as diverse and plentiful as the many communities which form the cores of their organizations and the hearts of their missions. These profoundly social museums adopt participatory practices and embark on community engagement…

The key question addressed in this family study is whether the psychophysiological and neurocognitive abnormalities often reported in SAD patients are heritable and can thus be found in family members of SAD patients as well. Determination of heritability of these deficiencies is essential for endophenotyping.…

This special issue of the International Forestry Review talks about how logging really affects society.

How do psychology, culture, politics, and upbringing influence our lives in a rapidly changing world? What is the role of education and development, and how do cultural differences shape our society? In the minor "Introduction to Social Sciences: Human Behavior in a Changing World" (30 EC), you will…

In this consortium CWTS (Leiden University) collaborates with two Swedish SMEs: Monocl AB and Recorded Future AB. Monocl AB delivers intuitive analysis software to Life Sciences professionals in support of strategic decisions and improvement of business performance. Recorded Future AB is an organization…

Intelligence of the crowd, or in other words, intelligence of a large, random collective, exists mostly in social media platforms such as twitter. The collective does not comprise (at least not necessarily) experts on crises, just regular people mostly. Nevertheless, there is valuable intelligence to…

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In this article, the authors explore the concept of recurrent events, particularly focusing on the Eurovision Song Contest.

This research investigates the changing landscape and land use in two case studies of the coastal villages of St. Kitts and the Kalinago Territory of Dominica. By integrating human and ecological aspects of agrarian landscapes, this research analyzes how land degradation or land change impacts cultural…

The history of sign languages of deaf people is severely understudied. The historical linguistics of sign languages offers a fundamentally new perspective on the history of human languages. This project addresses the dearth of knowledge about historical sign language linguistics through a large-scale…

Promotores: W.T. de Groot, M. Tchuenté, Co-promotor: J.P. Cheylan

This project investigates how sign languages change and spread over time, and how this is influenced by their transmission history.

An analysis of pot decoration and hut distributions from the Central European Neolithic communities of Elsloo and Hienheim.

Holtz defended her dissertation ‘Collective human rights as an (onto)logical solution to climate change: reconceptualizing, applying and proceduralizing an overlooked category of human rights’ on 16 October 2025. The doctoral research was supervised by Carsten Stahn and Daniëlla Dam-de Jong.

Programs that aim to reduce symptoms of social anxiety in children generally include multiple components, such as exposure and cognitive restructuring. It is unknown if separate components yield positive intervention effects in children or whether a combination of components is required.

The aim of this research is to understand the linking of crises for the combination of climate change and the COVID-19 pandemic.

This article explores how notions of citizenship are negotiated in encounters between parents and youth care professionals in Amsterdam in the context of heated debates over citizenship and belonging. We draw on ethnographic research on Egyptian migrant parents’ interactions with the welfare state,…

How is the effect of kleptocracy on foreign policy change mediated by the political-administrative relationship?

This open access book explores the role of continuity in political processes and practices during the Age of Revolutions.

Conference

Brain activity changes as people age, which can lead to cognitive decline. By measuring and comparing brain data from mice and humans, the researcher will investigate how the brain’s noise levels change with age and affect choice behavior.

Death’s Social and Material Meaning beyond the Human is edited by Jesse D. Peterson, Natashe Lemos Dekker and Philip R. Olson

Irene Moretti published the article Kin Enough in Social Analysis, The International Journal of Anthropology.

On the 23rd of September, George Saad successfully defended a doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates George on this achievement!

On December 12th, Andreas Krogull succesfully defended his doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Andreas on this great result.

The Faculty of Social and Behavioural Sciences provides its ca. 5000 students with a thorough education in the social and behavioural sciences. The student population is very diverse and international in nature.

Public organizations have been confronted with severe budget cuts as a result of the most recent crisis. Public managers are tasked with the implementation of cutbacks. Using different case studies within Dutch ministries and the prison sector, we assess public managers’ change leadership in times of…

Sarah Giest, Assistant Professor at Leiden University, and Ishani Mukherjee researched the topic of 'Behavioural Insights Teams (BITs) and Policy Change: An Exploration of Impact, Location, and Temporality of Policy Advice'.

This book offers a detailed analysis of social policy in Ecuador, covering its evolution over the past four decades. It examines how social relations and institutional frameworks have influenced concepts of well-being, the implemented policies, and the outcomes achieved.

Promotor: Prof.dr. T. Schmidt, Co-promotor: Dr. ir. S. J.T. van Noort

A study of Dutch Fort at Galle, Sri Lanka

Identifying and explaining change in the structure of central state bureaucracies and the determinants of survival of individual public organizations are two closely related areas of research in public administration. We aim to bridge the gap between these two main strands of studies of organizational…

The Faculty of Social and Behavioural Sciences brings together high-quality research and outstanding teaching.

On 23 April, Sheila Haji defended the thesis 'The shadow side of positive organizational change: practitioners’ experience navigating dialectical tensions in appreciative inquiry'. The doctoral research was supervised by Jan Adriaanse, Mark Dechesne and Renee Heath.

Conference

The main aim of this dissertation was to provide insight into possible subtle forms of bias in youth socialization by various socializing agents in the Netherlands, and exploring new ways to document bias. Additionally, it addresses the importance of using sound statistical methods for calculating effect…

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This ecological community has long been known to affect host biology, and their diverse roles have been further clarified in recent years following numerous studies of animal:microbiota interactions in diverse systems.

Van Vark defended her dissertation 'Separation and immersion: the changing role of the armed forces in Northwestern liberal democracies’ on 17 October 2025. The doctoral research was supervised by Maartje van der Woude and Erwin Muller.