Media & Impact
My research feeds into public debate and policy. Below are my media appearances, podcasts, parliamentary hearings, policy work, etc.
For media inquiries, get in touch:
Media appearances
- editorial
English The Guardian view on the banks: too big to fail cannot mean too big to tax
Guardian editorial on taxing the banks, citing our Manchester School paper "Too Much Finance" (with Alex and David Cobham): most financial sector activity "is simply negative for overall economic performance".
- interview
English Orbán's oligarchs on edge as Hungary poised to launch wealth tax
Quoted on why wealth taxes matter beyond revenue, in a feature on Hungary's planned wealth tax.
- press conference
Czech Tisková konference k nové studii Greenpeace ČR „Daň z nadměrných zisků znečišťovatelů: nevyužitý potenciál“
Launch of the study "Daň z nadměrných zisků znečišťovatelů: nevyužitý potenciál" (with Tijmen Tuinsma), presented at a roundtable and press conference in Prague.
- TV interview
Czech Nůžky příjmů i bohatství se dál rozevírají. A stále rychleji
Commentary on the World Inequality Report.
- debate
Czech Nehrajeme o to, jaké peníze budeme mít, ale čí budou, říká ekonom Palanský
Long-form interview by Petr Bittner on money, power and tax policy.
- radio interview
English Live radio interview with Michael Pavlich
Live interview on tax havens and tax justice.
- interview
Portuguese Imposto sobre super-ricos de Portugal valeria 3600 milhões ao Estado
Article by Victor Ferreira on the Tax Justice Network working paper on taxing extreme wealth, with what it would raise in Portugal.
- interview
Kazakh Interview on anonymity in beneficial ownership
Zoom interview for a piece on anonymous beneficial ownership and offshore structures.
- video interview
Czech VIDEO: Jak Rusové skrývají své majetky a perou peníze přes Česko
Commentary on how hard it is to trace assets hidden behind anonymous offshore companies.
- radio interview
Czech Segment on CORPTAX research
Morning segment (from 7:25) on CORPTAX research on multinationals' tax avoidance, with Petr Janský.
- interview
French Interview on tax havens
Interview with Adrien Candau for a feature in the French monthly Society.
- interview
Czech Daňové ráje stojí ČR miliardy. Evropa by z úniků zaplatila miliony zdravotních sester
Interview on the cost of tax havens to Czechia and Europe.
- article
English How multinationals continue to avoid paying hundreds of billions of dollars in tax – new research
Op-ed on profit shifting, based on UNU-WIDER research.
- video interview
English Tax evasion and the Government Revenue Dataset
Filmed in Maputo at the UNU-WIDER conference; short video on the GRD and tax data for development.
Podcasts
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Czech Nová pravidla – o světě pro jedno procento
Panel discussion on inequality and tax reform with Ondřej Slačálek, Lucie Trlifajová and Jakub Rákosník.
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Czech Ruské majetky v daňových rájích
Podcast with Lukáš Nechvátal on Russian assets hidden in tax havens after the invasion of Ukraine.
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Slovak Slovensko ročne stratí na globálnych daňových únikoch pol miliardy eur
Podcast on tax havens and tax avoidance by multinationals, and what it costs Slovakia.
Parliamentary hearings
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English Public hearing: Recast of the Directive on Administrative Cooperation in the area of taxation (DAC)
Invited expert alongside Prof. Nadine Riedel (University of Münster) and Philip Kerfs (OECD); challenged the Commission's proposed DAC6 exemption for Pillar Two multinationals.
Policy work
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English Admin Data for Tax Justice
I founded the Admin Data for Tax Justice initiative in December 2025, connecting researchers with tax administrations around the world. We run and regularly update a public database of academic papers using tax-administrative data and data labs offering data access.
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English Illicit Financial Flows Dashboard
I contributed to its initial version, published in 2020, and led the work on its update, launched in September 2026.
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English Financial Secrecy Index
Since the 2018 edition, I have produced the global scale weights, and I regularly contribute to the data collection behind the secrecy scores.
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English Corporate Tax Haven Index
Since the first edition in 2019, I have produced the global scale weights, and I regularly contribute to the data collection behind the haven scores.
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English The State of Tax Justice
I have contributed to this annual report since its first edition in 2020. In it, we provide numbers on corporate tax abuse and hidden offshore wealth.
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English Report on CbCR Analysis and Capacity Building for ATI Partner Countries
I led the work on a capacity-building project in four ATI partner countries and co-organised a workshop in Lusaka, Zambia, in March 2025.
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English Tax Justice Policy Tracker
I contributed to its initial publication in 2023 by working on the methodology and data collection.
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English Financial Secrecy Affecting the European Union: Patterns Across Member States, and What to Do About It
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Czech Velikost prezidentských kampaní (Presidential Campaign Sizes)
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Czech Hodnocení financování politických stran (Political Party Financing Assessment)
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English Collaborative Purchasing in the Czech Republic
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Czech Zpráva o financování politických stran 2012–2015 (Report on Political Party Financing)
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English Analysis of Czech Political Party Donations
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Czech Analysis of donations to political parties in the Czech Republic
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Czech Financování politických stran 2014 (Political Party Financing 2014)
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Czech Analýza darů právnických osob politickým stranám (Analysis of donations by legal entities to political parties)