This subproject of 'From Homo Economicus to Political Animal' analyzes Greek economic thinking in late 5th- and 4th-century philosophical circles.

Are you thinking about studying Public Administration: Economics and Governance? Learn more and watch the videos.

The Social and Economic Psychology specialisation offers in-depth knowledge of a broad range of theories and research domains in this area, all concerning the way people’s social environment influences thoughts, feelings, and behaviour.

Political scientist Maurits de Jongh (Leiden University/Sciences Po) argues that political liberalism is self-defeating as a framework of justification for liberal conceptions of justice. He explores how the framework's self-imposed criterion of acceptability in the eyes of all reasonable citizens leads…

In this chapter of the Elgar Encyclopedia of International Relations, Carraro explores how expertise is defined and contested in International Relations.

The shift from response to recovery is now noticeable as the world moves past the paralyzing effects of the COVID-19 pandemic. This book explores responses to the pandemic by international, regional, and local institutions, multilateral action, and crisis prevention efforts at different levels of governance,…

What are the essential determinants of (dis)trust? And, what are the effects of being (dis)trusted?

Why obey the state? Dorota Mokrosińska presents a fresh analysis of the most influential theories of political obligation and develops a novel approach to this foundational problem of political philosophy, an intriguing combination of the elements of natural duty and associative theories.

How did parties as political organizations emerge?

Using the League of Nations’ responses to early crises as an explorative historical case study, Political Scientist Gisela Hirschmann investigates how international organisations perceive and respond to existential threats.

Who is Economic Man? Every economic paradigm presupposes an anthropology, a theory of human nature. This project explores the anthropologies presupposed and produced by ancient Greek economic texts, and the specific knowledge forms that shape these anthropologies.

Philosophy, Politics and Economics (PPE) in Leiden is a unique interdisciplinary master’s programme, considering topics of freedom, justice and citizenship in the 21st century. Watch this video to learn more about the programme!

This dissertation offers a reconstruction of the propositional contents of the writings of Karl Popper, Leo Strauss, and Hannah Arendt while bringing these into discussion with their performative meanings, such as polemical forms of reasoning, analogical and metaphorical uses of language, and hidden…

The Institute of Political Science is a vibrant department with nearly 70 academic staff in Leiden and nearby The Hague.

Under what circumstances do paramilitary groups limit their use of political violence? This article examines the use of political violence by the PIRA.

In what ways do historical and current events affect how we should judge the legitimacy of political authorities?

Politics is about the authorised allocation of values: who gets what, when and how much? This question is relevant at many different levels, in many different places and in very different ways.

James Shires has contributed a chapter to the proceedings of the 13th International Conference on Cyber Conflict (CyCon 2021), which gathers 20 articles from the law, technology and strategy domains.

These are turbulent times in the UK. The cost of living is high, leaving many people struggling to make ends meet, and these past few months have been tumultuous in terms of politics. University lecturer Anne Heyer explains what impact this can have on people's political perceptions and participatio…

Are you thinking about studying Political Science? Watch the introduction video’s and learn more!

Courses in English.

Profile Area Political Legitimacy, Leiden University

This volume challenges the idea that the development of ‘democracy’ is a story of rise and progress at all. It is rather a story of continuous but never completely satisfying attempts of interpreting the rule of the people.

Philosophy has an important contribution to make to society, says Professor of Practical Philosophy Glen Newey. You need people who can think clearly, certainly in positions of power and authority. Newey stresses that “there will always be a place for philosophy”. An introduction to the practically…

Hegemony and World Order explores a key question for our tumultuous times of multiple global crises.

At the Institute of Political Science we value our alumni. We can learn from you, and would like to contribute to your further development. And, of course, we want to lend a hand in connecting ‘our’ political scientists all over the world.

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

The ECtHR needs to provide effective rights protection, but it also needs to set clear standards while showing deference to decisions made at the national level. Especially when socio-economic issues are concerned, meeting these different demands is a challenging task.

In this paper, Sibgatullina and Abbas aim to illuminate the complex connections between the European right-wing movements and Islam and discusses how the adoption of Muslim identity may function as a politically strategic opportunity for European conservative forces.

The specialisation Global Political Economy of the master’s in International Relations at Leiden University provides you with a cutting-edge understanding of the world economy and its social and political foundations.

The aim of this project is to study what makes an act or form of violence a specifically political reality.

On 27 September 2017 a new book by Prof. Luuk van Middelaar appeared, entitled The new politics of Europe. The book is at the same time a front line account of Europe’s recent crisis years – from monetary turmoil to tensions around Ukraine, from refugee crisis to Brexit – and an analysis of the Union’s…

Using an interdisciplinary experimental approach grounded in behavioral economics and personality psychology, we identify an antisocial personality profile and examine its role across strategic contexts.

To limit the effects of climate change, global average temperature since pre-industrial measurements are to be kept well below 2 °C preferably even at 1.5 °C.

Han De Jong gave an overview of (the run-up to) the current economic crisis and discussed which steps could be taken to resolve this crisis.

Choice is at the very heart of politics. War or peace, left or right, liberty or security, sovereignty or integration, consensus or conflict—choices matter. Choice is also key to your education. Choose an intellectually challenging programme in which you develop your knowledge and expertise in the study…

Political and social implications of life in a digital age.

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.