This article studies the securitization of immigration in the United States of America (U.S.), through the analysis of the National Security Strategies (NSS) published between 2002 and 2017, using a two-layered analytical framework that combines securitization theory and agenda setting theory.

Jan Melissen, Senior Fellow International Relations and Diplomacy at ISGA, researched the topic of consular diplomacy in a digital age. Specifically: the communicative challenge.

This commentary on the United Nations Convention Against Corruption discusses each provision of the treaty, traces the provisions’ drafting history, and explores their implementation in domestic legal systems.

Madeleine O. Hosli & Jaroslaw Kantorowicz analyze EU states' foreign policy divergence at the UN General Debate, assessing if Lisbon Treaty reforms increased EU cohesion or if states maintain distinct positions.

The Netherlands Ministry of Defense and Ministry of Security and Justice have requested the Centre for Terrorism and Counterterrorism to complete a research project on cyber governance from a policy perspective. The results of this project will contribute to the deliverables of the fourth International…

PRINCE (for Policy Relevant Indicators for Consumption and Environment) was a three-year project set up to explore ways to improve and expand the set of indicators used to estimate the environmental impacts linked to Swedish consumption, both within Sweden and abroad. Any new methods and indicators…

In the programme ‘Furthering Public Leadership’ the Leiden Leadership Centre has partnered with seven public organisations in researching and developing public leadership in practice.

In this 3-volume set of primary sources, Lionel Laborie and Ariel Hessayon bring together a wide range of vital sources for the study of prophecy in the early modern world. This meticulously edited collection includes rare material and fascinating manuscripts published in English for the first time.

International trade has played a major role in defining the modern global economy. Trade, however, entangles the environmental pressures of economic sectors, giving the illusion of environmental improvements, while the opposite may be occurring.

The Discovery of El Greco: The Nationalization of Culture Versus the Rise of Modern Art (1860-1915)

For the Netherlands, like many other European countries, the nineteenth century was a period of strengthening national identity. Anne Petterson describes how 'the ordinary people' of Amsterdam expressed their patriotic feelings differently from how the elite had hoped. PhD defence 24 January.

A Persistent Revolution: History, Nationalism, and Politics in Mexico since 1968

The decades around 1800 constitute the seminal period of European nationalism. The lin­guistic corollary of this was the rise of standard language ideology, from Finland to Spain, and from Iceland to the Habsburg Empire. Amidst these international events, the case of Dutch in the Netherlands offers…

This study seeks to partially fill the knowledge gap about national culture in Africa, basing its research on data on ethnolinguistic groups (instead of administrative regions).

This project explores the community of engineers in Sri Lanka and their role with regard to three domains of inquiry.

On 12 May 2022 Qiaoqi Zhang successfully defended a doctoral thesis and graduated.

This is a research project on the implementation of national mathematics curriculum reform in Chinese junior high school. The research is expected to provide insight into the ways and reasons of mathematics teachers in Chinese junior high school for implementing national curriculum reform.

In the research master Politics, Culture and National Identities, 1789 to the Present at Leiden University you will be at the forefront of a new approach to understand how politics and identities in Europe are conceived.

On 19 September 2019, Lynette Janssen defended her thesis 'EU Bank Resolution Framework: A comparative study on the relation with national private law'. The doctoral research was supervised by Prof.mr. W.A.K. Rank and prof. M. Haentjens.

This article discusses the degree of independence that is required for national human rights institutions to function successfully.

Gender sidestreaming? Analysing gender mainstreaming in national militaries and international peacekeeping

Fabio Cristiano contributed two chapters to the Routledge Companion to Global Cyber-Security Strategy, edited by Scott N. Romaniuk and Mary Manjikian.

Donald Trump’s re-election: it could become reality after the November 2024 elections. According to various experts across Europe and the US, Europe needs to prepare for the potential implications of this scenario for European security. Professor Luuk van Middelaar, an expert in European Law, discussed…

On 5 June 2018 Emile Beenakker defended her doctoral thesis ‘The implementation of international law in the national legal order: A legislative perspective’. The doctoral research was supervised by Professor W.J.M. Voermans.

In this article for Studies in Conflict & Terrorism, the authors analyse the evolution and interplay of national policies and international diplomacy on cyber terrorism within and across the UNSC’s permanent five members and the UN process on cyber norms (GGE and OEWG).

In tracing the deeper historical roots of what Xi Jinping contemporarily frames as a “Chinese dream” of “wealth and power,” the article discerns key actors, events, and organizing principles in a long process toward restoring China’s deemed rightful place in the regional system.

Political Scientist Valentina Carraro (Leiden University) devises a framework to assess the degree to which United Nations human rights bodies provide duplicating or contradicting recommendations to states. Focusing on the case of torture, she creates an original database of recommendations delivered…

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…

On 18 September 2019, Huw Llewellyn defended his thesis 'An Institutional Perspective on the United Nations Criminal Tribunals: Governance, Independence and Impartiality'. The doctoral research was supervised by Prof. N.M. Blokker and Prof. L.J. van den Herik.

This is a joint PhD of the Faculty of Social and Behavioral Sciences at Leiden University and the Evolutionary Ecology Group at Antwerp University.

In this article in International Affairs, Saskia Postema and Jan Melissen examine Chinese celebrities' UN-affiliated Weibo activism in the context of China's increasing engagement in the United Nations, which coincides with a shrinking domestic public sphere under Xi Jinping's leadership.

This collection, edited by Sophie Vériter, Monica Kaminska, Dennis Broeders and Joachim Koops, includes six papers exploring and investigating European responses to COVID-related disinformation, specifically the responses of France, Sweden, Germany, the United Kingdom, Serbia, and Hungary.

What is the population size and social structure in time and space? What is the lion diet and food preference in time and space? What is the home range (MCP and Kernel) and movement in time and space? What are human – lion conflict and responses of lions to traditional herding in time and space? What…

Policy studies and interventions in the field of Youth

Rebecca Tompkins defended her thesis on 21 March 2019

This dissertation looks into the role of discretion granted by EU directives (Article 288 Treaty on Functioning of the European Union) in legislative decision-making and national transposition processes of these directives.

On Monday 18 March at 10:45 a deadly shooting took place on the 24 Oktoberplein in Utrecht, killing three people and severely injuring five others. Leiden University expresses its solidarity with the families left behind in the wake of this horrendous and regrettable incident. Several researchers of…

In a modernist interpretation of migration controls, nation states play a major role. This book challenges this interpretation by showing that comprehensive migration checks and permanent border controls appeared much earlier, in early modern dynastic states and empires, and predated nation states by…

On 20 October 2021 Michael Ramsden defended the thesis 'The Role of the United Nations General Assembly in Advancing Accountability for Atrocity Crimes: Legal Powers and Effects'. The doctoral research was supervised by Prof. N.M. Blokker.

The WARN project seeks to understand why certain warnings fail to reach and impact decision makers in time to avert crisis.

What is the population size/structure and distribution of tiger and leopard inside the Bardia National Park (BNP) compared with the population outside? What is the movement and home range and conflict pattern in time and space of tigers and leopards inside the BNP compared with outside? What constitutes…

Sasha Goldstein defended her thesis on 10 January 2019

The book 'The United Nations Convention on the Rights of the Child' is the result of the international academic conference – ’25 Years CRC’ – which was held in November 2014 in Leiden on the occasion of the 25th birthday of the UN Convention on the Rights of the Child.

The project investigates the changing local context of crime dynamics and the responses by selected international organizations and national governments. It places a major emphasis on security management at the trans-national level by investigating intra-regional security cooperation between Latin America,…

The authors delve into the varying degrees to which institutions across different nations connect foreign events to their respective country's domestic affairs.