Blog
How global tax dodging costs lives: New research shows a direct link to increased death rates
by
Bernadette O'Hare, Kyle McNabb, Stephen G. Hall
May 2021
Tax abuse is an expensive business. According to a recent report by the Tax Justice Network, avoiding or evading tax deprives governments across the...
Working Paper
Global oil theft: impact and policy responses
This paper, the first of two on global oil theft and fraud, discusses the prevalence, methods, and consequences of global oil theft, valued at US$133 billion per year and equivalent to 5–7 per cent of the global market for crude oil and petroleum...
Blog
The Imperative for Strengthening International Tax Co-operation
by
John Langmore, Perrin Wilkins
September 2012
GUESTAngle John Langmore and Perrin Wilkins When delivering the eighth WIDER Annual Lecture on rethinking growth strategies in 2004 Dani Rodrik...
Blog
Multinational Tax Avoidance in Developing Countries
by
Niels Johannesen, Thomas Tørsløv, Ludvig Wier
April 2016
In recent years many global firms—including Starbucks, Google, and Amazon—have come under fire for avoiding paying taxes in one country by shifting...
Working Paper
Wealth Distribution, Lobbying and Economic Growth
This paper presents a model allowing one to analyze the joint determination of inequality, taxes, human capital and growth. We consider the political economy of redistribution between three income groups in a dynamic economy. The paper seeks to...
Blog
Overcoming the challenge of illicit financial flows: Four pieces of advice for policymakers
From profit shifting to sanction evasion, illicit financial flows divert funds away from essential poverty-fighting and infrastructure programs. A...
Working Paper
Policy diffusion within international organizations
I analyse the evolution of the International Monetary Fund tax policy advice in three countries commonly used for tax evasion or avoidance: Panama, Seychelles, and the Netherlands. A review of loan agreements and Country Reports covering 1999 to 2017...
Blog
Too late, too little? The IMF and international tax flight
by
Matti Ylönen
August 2017
When key decision makers of the International Monetary Fund (IMF) gather in Washington DC for the IMF’s annual meeting in October, one thing that...
Working Paper
Income under-reporting and tax evasion
Personal income tax is attracting more attention from the Vietnamese government, which has been looking for a way to reinforce its budget revenue. Although this tax plays an increasing role, representing 7.3 per cent of the revenue expected in 2018...
Working Paper
Are less developed countries more exposed to multinational tax avoidance?
NOTE | Revised version May 2017 available. View and download the revised version. We use a global dataset with information on 210,000 corporations in 102 countries to investigate whether cross-border profit shifting by multinational firms is more...
Blog
From the Editor's Desk (December 2013)
10 December 2013 Tony Addison Our November-December Angle comes amid intense activity on our ReCom—Research and Communication on Foreign Aid—programme...
Journal Article
Are less developed countries more exposed to multinational tax avoidance?
This study uses a global dataset with information about 210,000 corporations in 142 countries to investigate whether tax avoidance by multinational firms is more prevalent in less-developed countries. The paper proposes a novel approach to studying...
Working Paper
The tax-price elasticity of offshore tax avoidance
This study leverages a unique data set on the universe of transactions exiting the Ecuadorian economy to estimate the tax-price elasticity of demand for tax-sheltering activities using offshore fiscal havens. I determine this elasticity quasi...
Working Paper
Countering global oil theft: responses and solutions
This second of two papers on global oil theft discusses ways to reduce oil theft, misappropriation, and fraud. At US$133 billion per year, oil is the largest stolen natural resource globally, while fuel is the most smuggled natural resource. Oil...
Working Paper
Herding, rent-seeking taxpayers, and endemic corruption
In an environment with extensive corruption where much of the population evades paying their full taxes due, we tackle the question of optimal taxation when constituencies with opposing objectives (the poor and the rich) push tax policy in different...
Working Paper
The end of Londongrad? The impact of beneficial ownership transparency on offshore investment in UK property
The United Kingdom’s (UK) property markets are thought to be a common destination for corrupt and criminal assets and money laundering, with investment often through offshore shell companies. Following the Russian invasion of Ukraine in 2022, we...
Working Paper
Revealing 21 per cent of GDP in hidden assets
This paper studies the effectiveness of tax amnesties and their impacts on capital taxation and public spending. We leverage rich policy variation from Argentina, where left- and right-wing governments implemented multiple programmes and achieved...
Working Paper
So close and yet so far: the ability of mandatory disclosure rules to crack down on offshore tax evasion
We study the short-term effect of the introduction of the mandatory disclosure programme for aggressive tax arrangements by focusing on the one introduced in May 2018 under Council Directive 2018/288/EU (or DAC6). Employing bilateral data on cross...
Working Paper
Deflecting my burden, hindering redistribution
This paper proposes to understand a singular but salient factor that enables the wealthy to deflect their tax burden downwards: elites’ political leverage to shape legislation via their capacity to influence political actors and policy outcomes. The...
Working Paper
What traders know: the (mis)perceptions of formal and informal cross-border traders
Cross-border traders face a choice between official and unofficial border crossings. The latter allow them to evade taxes, but expose them to other risks, such as bribes, fines, and arrest. We investigate the perceptions of cross-border traders about...
Working Paper
Offshore tax evasion in developing countries
Offshore tax havens cause large losses of government revenue by facilitating tax evasion by wealthy individuals. This paper focuses on offshore tax evasion in developing countries and documents two empirical regularities. First, there is no clear...
Blog
Capital flight from developing countries – what is it, how is it measured, and what have we learned?
Many worry that developing countries lose a substantial amount of money via capital flight, that is, outflows of cash and securities — part of which...
Journal Article
Herding, taxpayer's rent seeking and endemic corruption
In an environment with extensive corruption where much of the population evades paying their full taxes due, we tackle the question of optimal taxation when constituencies with conflicting objectives (the poor and the rich) push tax policy in...
Blog
Sharing for Prosperity
by
Heikki Eidsvoll Holmås
April 2013
17 April 2013 Minister Heikki Eidsvoll Holmås Economic growth in itself will not end poverty. Stronger policies for fairer distribution are needed in...
Working Paper
The International Fiscal Implications of Global Poverty Reduction and Global Public Goods Provision
The mixed record on the 2015 Millennium Development Goal (MDG) targets and the focus on global public goods in post-MDG debates questions the future of traditional development co-operation (official development assistance, ODA). Meanwhile...
Annual Lecture
The billionaire tax – a (modest) proposal for the 21st century
Wed, 4 September 2024
Juhlasali in the Aalto University Töölö building,
Runeberginkatu 14–16,
Helsinki,
Finland
Past event
Impact
UNU-WIDER research cited in major UN DESA and EU Tax Observatory reports
The 2023 Financing for Sustainable Development report and Global Tax Evasion Report 2024 include findings from UNU-WIDER research on illicit financial flows, structural transformation, and international monetary system. The 2024 Financing for Sustainable Development report highlights UNU-WIDER's Government Revenue Dataset (GRD) as a prominent source for revenue statistics.
In the media
Study on global tax avoidance garners worldwide attention
A new WIDER Working Paper has brought attention around the world to government revenue loss from tax avoidance. The study finds that, globally, low- and lower middle-income countries are hit the hardest; in terms of regions, losses are most intense...