Recently more than five hundred workers at metal companies in Dutch cities Zwolle and Kampen went on strike. Their aim is better pay and the workers have now been on strike for twelve weeks. Just how effective is striking in collective bargaining?

Promotores: Prof.dr. G.R. de Snoo & Dr. R. Heijungs

Jacques Sevat discussed the practical and legal aspects of global collateral management: collateral management to reduce the credit risks a global bank such as ING Bank runs every day.

What is the effectiveness of two school-based skills-training programs in promoting mental health?

On the 18th of November the article: 'Minder overheid, maar wie denkt er na over de lange termijn? (translation from Dutch: 'Less government, but who is thinking long term?') written by prof. dr. Frits M. van der Meer was posted on Mejudice: 'an independent forum for discussions aiming to stimulate…

Regular users of cannabis are less aware of their own mistakes, and they are not good at creative thinking. This is the conclusion drawn by psychologist Mikael Kowal from his research on the effects of cannabis. PhD defence 6 October.

A common notion is that autistic people feel no need for social contact, that they are socially clumsy and show little prosocial behavior. But is that image correct? According to developmental psychologist Carolien Rieffe, an important goal of Autism Awareness Week (March 28 - April 5) is to remove…

In an essay in Dutch magazine 'Vrij Nederland' Nikki Sterkenburg, external PhD candidate at the Faculty of Governance and Global Affairs, discusses how radical and extreme right voices have become mainstream over the last twenty years. Sterkenburg brings up several reasons why the prevailing stigma…

How do young people react when an unknown person gets under their skin in an online game? A sense of control over their social environment can prevent young people from quickly resorting to anger in such a situation, development psychologists Sheida Novin, Carolien Rieffe and colleagues discovered.…

A recent study shows that immigrants in the Netherlands earn 15 per cent less on average than their colleagues without a migrant background. Olaf van Vliet, Professor of Economics, comments on this pay gap in ‘de Volkskrant’ newspaper.

The way DNA folds, largely determines which genes are read out. John van Noort and his group have quantified how easily rolled-up DNA parts stack. This costs less energy than previously assumed. Publication in Biophysical Journal.

Migrants are far less of a burden on the budget of European countries than is often thought. This is the conclusion of research by economists from Leiden University.

Plant communities consisting of many different species are less vulnerable to attacks of plant eating animals or diseases than less diverse communities. It also helps if plant species in one community are not closely related to each other. That is the outcome of an international study published in Nature…

Rather than finger-wagging, the Netherlands has opted for pragmatism when it comes to human rights. That is what Minister of Foreign Affairs Stef Blok said in a lecture in the Academy Building on Human Rights Day on 10 December 2019.

Arco Timmermans, Professor by special appointment Public Affairs, discusses the lobby that is just getting under way and is aimed at the political parties' manifestos for the upcoming election in March 2021.

There is too much focus on online radicalisation, says Joe Whittaker, when this is just one of the factors that make someone become a terrorist. In fact, Whittaker’s research shows that terrorists who use the internet are less successful in achieving their goal than those who stay offline. He will defend…

More CO2 in the atmosphere is making food crops more calorific, less nutritious and potentially more toxic.

Network-on-Chips are hardware that are used to communicate between different parts of a microchip. They have been around for over twenty years, but they still cannot be widely used in real life because they consume too much power. Computer scientist Peng Wang tried to find a solution for this power-inefficiency…

People appear to release their feelings of anxiety more quickly when the vagus nerve in the brain is stimulated with a device in the ear. In his doctoral research at Clinical Psychology, Andreas Burger examined new possibilities for treating symptoms of anxiety. PhD defence on 15 May.

Since the 1950s, the expenses in primary and higher education have grown towards each other. The costs per pupil in primary education rose, while the expenses decreased per student in scientific education. An article about this appeared in the NRC, with comments on the historical development of education…

In supermarkets, consumers are drowning in a sea of sustainability labels. Confusing for them, but also farmers can't see the forest for the trees. Obtaining these labels demands an enormous amount of time and effort. Berent Baris is investigating ways to simplify this process, benefiting both farmers…

Young researchers met this month for the fifth Science Communication Summer School. ‘This is the first time some participants get to meet other researchers who also enjoy science communication. It’s great to see’, says Julia Cramer, one of the coordinators.

Partly thanks to Roy de Winter, ship design and engineering company C-Job Naval Architects now develops optimal ships in a short time. The master's student Computer Science from Leiden developed the CEGO algorithm, which eliminates the classic design cycle and makes people in the maritime optimization…

The number of students suffering from stress and anxiety has decreased slightly compared with 2021. But around half still suffer from mental health problems. This is according to the National Mental Health and Substance Use Monitor.

What does it feel like to become a citizen in a new country? For her PhD research, Hannah Bliersbach immersed herself in the world of immigration. She interviewed dozens of new citizens in Germany and Canada and found that citizenship is, above all, a transactional process.

If Europeans eat less meat and dairy, this will have major consequences for farmers. New research shows that many barns and machines could lose their value. With the right policies, these losses can be limited. This is shown by research from Leiden, Oxford and Vienna.

Amir Zamanipoor Najafabadi, a doctor and researcher at the LUMC’s Department of Neurosurgery, researches how meningioma treatment can have a long-term effect on a patient’s life. He recently defended his dissertation: with a patient on the examining committee, this was a unique occasion.

The new academic year has started and with it education as well. Associate professor Dennis Claessen and Director of Education Han de Winde from the Institute of Biology Leiden devised an environmentally friendly introduction to the Leiden Bio Science Park for their students, with the help of Plastic…

Stressful events and a lack of support from the environment are both consequences and causes of mood swings in people with a bipolar disorder. This is the finding of PhD research by Leiden clinical psychologist Manja Koenders. PhD defence 7 April.

Explosions at people’s homes, gangland killings and online threats: if you follow the news, it may seem as though threat levels in the Netherlands are rising. But is that really true? Researchers from Leiden University investigated this and have presented their results in the Dreigingsmonitor (Threat…

As a researcher, it can be fun and useful to talk to the media about your work. But on what terms should you agree to do an interview or appear on a talk show? And how do you tell an engaging story? The Media Guide for Researchers is here to help. Three colleagues share their top tips.

Why have some European countries responded faster to the coronavirus outbreak than others? While in some countries the lockdown had already been declared when relatively few cases were known, others did not take action until thousands of people were already infected and hundreds were already dead. What…

Since 1 September, fourth-year student Thirza van 't Rood has been the new student member of the Institute Board at Cultural Anthropology. Her first task is to organise the elections for the programme committee. Her mission for the coming year is also to collect the opinions of less outspoken students.…

Technology is developing at a mind-blowing rate, also in the field of artificial intelligence. For minority groups such as the LGBTQ+ community, this could be dangerous, writes researcher Eduard Fosch Villaronga in a letter to the editor of Nature Machine Intelligence.

Quite a lot went wrong during the virtual hearings that courts held during the coronavirus crisis. Researchers from three universities, including Leiden University, concluded that citizens did not always feel heard and that their legal position was compromised.

Lecturer Andrew Gawthorpe of Leiden University discusses in The Conversation the growing influence of far-right activist Laura Loomer in Donald Trump’s administration.

In the early modern period, it was perfectly normal to find recipes, legal documents or medical writings in a book of poems. Holly Riach studied the underlying principles of these ‘miscellanies’ during her PhD.

On 1 October 2019 the Hazelhoff Centre for Financial law hosted its 19th guest lecture starring Paul Sharma, managing director at Alvarez & Marsal and co-head of the European Financial Industry Regulatory Advisory Services practices.

The Dual PhD Centre facilitates dual PhD research at Leiden University. The dual PhD programme of the Dual PhD Centre offers professionals the opportunity to devote part of their working time to conducting PhD research. Be aware that this programma is being offered in Dutch only.

The Food citizens? team has included two post-docs, three Ph.D. candidates and two research assistants working with the Principal Investigator. The Winter School involved nine Masters and Ph.D. candidates from the universities of Bologna, Gothenburg, Kaunas, Leiden, Louvain, Tromsø, Turin and Utrech…

An analysis of researchers' global mobility reveals that limiting the circulation of scholars will damage the scientific system.

Wolves in the Netherlands mainly feed on wild animals such as wild boar and red and roe deer. But in areas such as Drenthe where these are scarce they also prey on free-roaming cattle used for nature conservation

Positive friendships are characterised by understanding mutual wishes and intentions, respect for each other’s boundaries and pro-social behaviour. Qualities that might be more challenging for autistic adolescents.

PhD defence

PhD defence

Latent variable modeling of students' solution strategies and performance

On 9 January 2019, Willem van der Muur defended his thesis 'Land rights and the forces of adat in democratizing Indonesia'. The doctoral research was supervised by Prof. dr. A.W. Bedner and Prof. dr. J.M. Otto.