1,019 search results for “principal of taxation” in the Public website
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Demise of the domain. The financial troubles of fifteenth century, Low Countries princes
How did changes in the composition and exploitation of princely domains in various principalities of the Low Countries influence the development of ‘modern’ public finance systems, including the notion of public debt?
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Researchers Tax Law in Trouw on potential tax avoidance Cargill
Dutch newspaper Trouw investigated the tax position of multinational Cargill. Their conclusion? Cargill appears not to pay taxes over their profits. Trouw asked Jan van de Streek, Professor of Tax Law, and PhD candidate Josephine van der Have for an explanation. Prior to this, Van der Have had also…
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Dutch benefits department has ‘crossed the line’ once again
The benefits department of the Dutch Tax Administration has attempted to reach backroom agreements with the judiciary about the decision period in benefits cases. Lecturer in tax law Martijn Nouwen says this harms the legal protection of victims.
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Events
Events related to EUTAXGOV.
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Tax Law researchers write report for the World Economic Forum
Researchers from the Department of Tax Law were lead authors of a report on corporate taxation and digitalization for the World Economic Forum.
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Fiscale geheimhoudingsplicht: art. 67 AWR ontrafeld
On 14 September 2021, Bram van der Sar defended his thesis 'Fiscale geheimhoudingsplicht: art. 67 AWR ontrafeld'. The doctoral research was supervised by Prof. J.P. Boer and Prof. A.O. Lubbers.
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PE_PP talk: The political cost of tax reform
Lecture
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Het Unierechtelijke verdedigingsbeginsel
On 18 November 2021, Anneke Keulemans defended the thesis 'Het Unierechtelijke verdedigingsbeginsel'. The doctoral research was supervised by Prof. J.P. Boer and Prof. A.O. Lubbers.
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'Fiscaliteit speelt rol bij vertrek DSM uit Nederland'
Na Shell en Unilever is DSM het derde grote bedrijf dat vertrekt uit Nederland. Fiscalisten zijn niet verbaasd: het sentiment over het vestigingsklimaat hier is momenteel minder gunstig.
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Residence in Tax Treaties
On Thursday 1 December 2016 at 13.45 hrs, Francisco Sepulveda Ramirez will defend his doctoral thesis ‘Residence in Tax Treaties' at the Academy Building of Leiden University. Supervisor is Professor F.A. Engelen.
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People and Projects
Our team consists of the following members.
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Residence in Tax Treaties
On Thursday 1 December 2016 at 13.45 hrs, Francisco Sepulveda Ramirez will defend his doctoral thesis ‘Residence in Tax Treaties' at the Academy Building of Leiden University. Supervisor is Professor F.A. Engelen.
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Colonialism Inside Out: Everyday Experience and Plural Practice in Dutch Institutions in Sri Lanka (c. 1700-1800)
Colonialism Inside Out: Everyday Experience and Plural Practice in Dutch Institutions in Sri Lanka (c. 1700-1800)
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Advances in Survival Analysis and Optimal Scaling Methods
This thesis is based on five papers on several topics.
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Waarom internationale belastingsystemen inclusiever moeten worden
Nu belastingsystemen over grenzen gaan, speelt de politiek een steeds grotere rol. Irma Mosquera Valderrama pleit voor een wereldwijd, inclusief systeem.
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On Independence, the Erosion of the Tax Debate, and What We Can Do About It
Many academics involved in the area of tax law are also employed by a commercial tax advisory firm. In his inaugural lecture of 30 October 2020, Prof. dr. Jan Vleggeert argued that this combination of 'hats' can undermine the independence of fiscal research and can result in the erosion of the Dutch…
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A trademark for those who pay their taxes fairly?
Rewarding good behaviour, instead of punishing it – a proven pedagogical method. Would it also work in tackling tax avoidance? This question sparked the interest of PhD candidate Josephine van der Have. Her research investigates the potential of a trademark for fair taxation.
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Dutch East Indies tax system was supposed to elevate the colony, but turned out to be token politics
In the late 19th century, the Dutch government introduced a tax system in the Dutch East Indies, with the intention of transforming the colony into a modern state. PhD student Maarten Manse wrote his thesis on this development and discovered how grandiloquent colonial ideals became bogged down in daily…
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Apply now for the new minor Tax and Society at Leiden University
Tax scandals, like the Panama Papers, the Paradise Papers, and the Pandora Papers, have made tax avoidance by large multinationals and rich individuals a major topic of public debate. Policymakers are pushed to close tax loopholes and reform the global tax system. But this is no easy task.
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Self-reliance and Social Protection over the Life Cycle
Leiden University, Department of Economics
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Intensive Course on Tax Law, Gadjah Mada University and Leiden University
In the last week of January, Prof. Rex Arendsen and PhD candidate Maarten Manse of the Department of Tax Law at Leiden Law School, taught an ‘Intensive Course on Tax Law' at the Gadjah Mada University (UGM) in Yogyakarta. This week of lectures illustrates the fruitful cooperation between both univer…
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What you need to know about tax avoidance
Before he became Minister of Finance, CDA leader Wopke Hoekstra invested for years in a shell company in the Virgin Islands. This has been revealed in leaked documents known as the Pandora Papers. How exactly does tax avoidance work? And are there other options? Tax lawyers Jan Vleggeert and Tanja…
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Mees Vergouwen wint Mitchell B. Carroll Prize voor proefschrift
Mees Vergouwen heeft op 28 oktober de Mitchell B. Carroll prijs van de International Fiscal Association (IFA) ontvangen. De fiscalist won de prijs met zijn proefschrift over ‘botsende belastingregels’.
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Jan Vleggeert appointed Professor Tax Law and Economics
Jan Vleggeert is a tax specialist with an independent and critical voice in the debate on tax avoidance by multinationals. His appointment commenced on 1 October 2019.
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Duidelijkheid van fiscale wetgeving
On 29 November 2018, Roberto van den Heuvel zijn defended his thesis 'Duidelijkheid van fiscale wetgeving'. The doctoral research was supervised by prof. dr. A.O. Lubbers en prof. dr. H. Vording.
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Combatting tax avoidance, the OECD way?
On 12 March, Frederik Heitmüller defended the thesis 'Combatting tax avoidance, the OECD way? The impact of the BEPS Project on developing and emerging countries’ approach to international tax avoidance'. The doctoral research was supervised by Madeleine Hosli and Irma Mosquera Valderrama.
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Heather Field: Visiting Professor
Hastings College of the Law and Leiden Law School have a longstanding exchange programme. Each year students participate in the existing student exchange programmes. Likewise professors from Hastings College of Law have been visiting Leiden Law School and vice versa.
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Law
The Faculty of Law has five institutes:
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Instrumental and normative pathways to compliance
On 31 March 2022, Bo Terpstra defended the thesis 'Instrumental and normative pathways to compliance'. The doctoral research was supervised by Prof. K.P. Goudswaard.
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Jan Vleggeert in Trouw and FD on lower limit for tax on profits
The Netherlands must introduce a lower limit for tax on profits to prevent major multinationals not paying tax on a structural basis.
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Research Martijn Nouwen about secretive EU tax body revealed in media under #TheCode
Under #TheCode European media report about Martijn Nouwens’s research on the secretive EU Code of Conduct Group which is tasked with tackling harmful tax competition in Europe. The stories expose to the wider public for the first time how this diplomatic high-level working group of EU Member States…
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Contact
Contacts
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Who we are
The Risk and Regulation Lab is co-directed by:
- Stem Cell Technology for Microphysiological Modeling
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UNESCO | Project 0100
Our Principal Investigator Bart Barendregt is also UNESCO Chair in the Anthropology of Digital Diversity.
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Research
The research is part of the Faculty's research program ‘Coherent Private Law’.
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G20 leaders please promote regional cooperation in the implementation of international standards, including BEPS
Irma Johanna Mosquera Valderrama, principal investigator of the ERC GLOBTAXGOV project and Associate Professor of Tax Law has participated in the T20 task force on Trade, Investment and Tax Cooperation under the Argentinian Presidency. As a member of the task force, she has contributed to the policy…
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Multinationals and taxes
In the past few years, an increasing number of multinationals have made the news for large-scale use of tax planning opportunities. The Organisation for Economic Collaboration and Development (OECD) and the European Commission are studying these cases closely and investigating whether the current concepts…
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Social Anxiety and School Refusal
When and how does social anxiety develop? How can it go astray in some adolescents? How can we help troubled young people to attend school regularly and return to a normal developmental pathway?
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Contact
Address
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A multilateral tax treaty
On Thursday 16 November, Dirk Broekhuijsen defended his doctoral thesis entitled ‘A multilateral tax treaty: designing an instrument to modernise international tax law’. The supervisors are Professor F.A. Engelen and Professor S.C.W. Douma.
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CIAT and GLOBTAXGOV publish general anti-avoidance rule toolkit
The Inter-American Center of Tax Administrations CIAT and the GLOBTAXGOV project have published the 'Toolkit for the Design and Effective Implementation of Domestic and International General Anti-Avoidance Rules'.
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Jan Vleggeert: ‘Corona’ tax good idea, but how will it work?
The coronavirus pandemic has spelt disaster for some businesses, while others have seen their profits soar. This has led to politicians to consider introducing a ‘corona’ tax where the winners from the pandemic will help the losers get back on their feet.
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Jan Vleggeert: published memo 'quite remarkable'
At the end of June 2021, The Dutch Ministry of Finance made a policy document public that dates back to 2016. In it, civil servants acknowledge that the Netherlands risked providing unauthorized State aid to American multinationals by allowing them to use a controversial, but favourable, fiscal construction:…
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Protective interventions by local elites in early Islamic Egypt
On 13 September 2023 Eline Scheerlinck successfully defended a doctoral thesis and graduated.
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Inequalities
A better understanding of inequality to help create a fairer, more just society.
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Duke-Leiden Institute in Global and Transnational Law
The Duke-Leiden Institute in Global and Transnational Law is a one-month programme providing a strong foundation for those interested in international and comparative law as well as for those planning to study law in the United States. The programme will focus on subjects such as trade agreements, human…
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ESOF 2022: Tax justice in Europe and beyond
On the occasion of Euroscience Open Forum 2022, Professor Attiya Waris (Director of Research and Enterprise and Professor of Fiscal Law and Policy in Eastern Africa, University of Nairobi, Kenya), Professor Irma Mosquera Valderrama (Professor of Global Tax Governance, Lead Researcher GLOBTAXGOV ERC…
- Project team
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Novel Chemical Modalities
The Novel chemical modalities research group is headed by Assistant Professor Sebastian Pomplun. Sebastian started at the division of Medicinal Chemistry within the LACDR in September 2021. His lab develops technologies for the discovery of novel chemical modalities that can address challenging drug…