Stefan Thewissen is a labour market economist at the Organisation for Economic Co-operation and Development (OECD). Previously, he was a PhD candidate at the Department of Economics at Leiden University.

Title research: Limitation-on-benefit clauses in tax treaties

Hans Bos is lecturer at the Institute of Tax Law and Economics, Department of Business Studies since September 2016.

Peter van Wijck is Associate Professor of Economics at the Department of Economics.

Jinxian Wang is assistant professor at the department of Economics.

Vincent Bakker is a PhD candidate at the department of Economics.

Joep Steegmans is assistant professor in the Department of Economics of the Leiden Law School.

Ron Diris is Assistant Professor at the Department of Economics.

Johan Jol is a guest lecturer for the Department of Business Studies of the Leiden Law School. .

Marike Knoef (1983) is Dean of the Tilburg School of Economics and Management, and professor of Economics at Tilburg University. Until February 2023, she held the position of professor at the Economics department of Leiden University and she is currently a guest researcher there.

The Netherlands remains one of the most important locations when it comes to tax evasion. According to Tax Justice Network only the British Virgin Islands, the Cayman Islands and Bermuda play a greater role.

The launch of the 'Toolkit for the Design and Effective Implementation of Domestic and International General Anti-avoidance Rules' generates strong interest among tax administrations.

Voormalig demissionair staatssecretaris van Fiscaliteit en Belastingdienst Marnix van Rij gaf op 17 juni in samenwerking met universitair docent Esther Huiskers-Stoop een gastcollege over belastingrecht en duurzaamheid. Deze lezing werd op initiatief van student Darya de Wilt georganiseerd.

Your income is structured in accordance with the Collective Labour Agreement for Dutch Universities (CAO). In addition to elements such as your salary, holiday allowance and end-of-year bonus, it also includes incidental bonuses for exceptional performance or exceptional working conditions. Allowances…

Inspectors at the Dutch Tax and Customs Administration can require people to provide more information relating to their tax returns. Esther Huiskers-Stoop from the Tax Law department investigated the rules in place to protect us when we are required to provide information to the tax authorities.

Der Spiegel reports about the planned reform of the EU Code of Conduct aimed at tackling harmful tax practices of EU Member States. A reform is urgently needed to tackle remaining forms of tax competition, which cost EU countries billons of euros every year.

Lars van Doorn is assistant professor at the department of Economics.

The Irish meat magnate Larry Goodman is under scrutiny: he is thought to have evaded taxes by using a Dutch company, among other things.

More information on the Dutch website.

Corné van Rhee is a PhD candidate at the Department of Economics.

Emma Schell is a member of the department of Economics.

Renren Gan is a PhD candidate at the department of Economics.

Dr Rozendal works as a Lecturer in Real Estate Transfer Tax and Tax Law at the Institute of Private Law.

Larissa is a PhD-candidate at the Department of Economics.

Giacomo Boffi is a former PhD candidate on Economics and Governance of Migration who successfully defended his PhD thesis on April 15, 2025.

Title research: The utilization of reference price information in the context of buying processes through a mix research set-up including qualitative research.

Ganna Demydyuk is currently an external PhD candidate in Business Studies at Leiden University. She holds Master’s degree in Economics and International MBA. With her extensive international experience as an entrepreneur and consultant, her research focuses on accounting metrics for customer-centric…

Esther Huiskers-Stoop has been affiliated with the Tax Law Department of the Institute for Tax and Economics since 2016. She is coordinator and lecturer of the courses Formal Tax Law and Moot Court Tax Law. She also provides extracurricular education in the context of the International and European…

Tim is Assistent Professor at the department of Business Studies. His research focuses on the (business) economics fundamentals, especially the theory of the firm and the co-evolution of companies and markets in complexity economics.

Rikardt Kemp is currently busy with his PhD research at the Department of Business Studies of the Leiden Law School. The working title for his thesis is ‘Business Model Dynamics in the Legal Industry’ and specifically focuses how law firms as Knowledge Intensive Businesses apply Business Model Adaptation…

Merel Cornax is promovendus at the Business Studies department of Leiden Law School. In her research she focuses on themes at the intersection of organizational psychology and labor law. For her dissertation she conducts empirical-legal research on the responsibility for psychosocial wellbeing in the…

The project officially started in September 2020, but with the enrolment of PhD students Hanum Atikasari and Shajeela Shawkat the research team of the ERC project 'Globalizing Palliative Care? A Multi-sited Ethnographic Study of Practices, Policies and Discourses of Care at the End of Life' is compl…

‘A tax crusader’... that’s how Ferd Grapperhaus, former Professor of Tax Law at Leiden University and father of the former Minister of Justice and Security, described himself. In his biography of Grapperhaus, Assistant Professor Rens Pieterse explains that he saw tax as a contribution to society.

A report by interest group Tax Justice Network shows that the Netherlands is still one of the most attractive countries for companies when it comes to tax: we hold a dubious fourth position on a list of seventy coutries. In Dutch magazine Vrij Nederland Jan Vleggeert, Professor of Tax Law, explains…

With great sadness we have learned that Frans Pigeaud passed away suddenly last Friday, at the age of 70.