🇧🇷 Brazil's President @lulaoficialbluesky.bsky.social opened the UN General Assembly with powerful messages, including a strong call for taxing the super-rich.

Today, our Policy Director, @qparrinello.bsky.social, was auditioned by the FISC Committee of the European Parliament on the implications of Trump administration tax policies on Europe 🇪🇺 📺 Watch the full session: multimedia.europarl.europa.eu/en/webstream...

This week's #LunchSeminar with Laurence Jacquet (‪ @cy-univ.bsky.social ) will focus on production regulation principles and tax reforms. 🗓️ September 26 | 12 PM (CET) 📍 Join us in person at @pse.bsky.social or online via Zoom 🔗 Register here: us06web.zoom.us/meeting/regi...

📢 We’re excited to announce that the 3rd edition of the World Inequality Conference will take place on 4–5 June 2026 in Paris. 📄The call for papers is now open — submit by December 1! ▶️ inequalitylab.world/en/event/wor... @pse.bsky.social @cris-sciencespo.bsky.social @taxobservatory.bsky.social

🧵1/6 #Dubai’s real estate market isn’t just booming, it’s also a major hub for offshore real estate investment. Our study reveals that 1/3 of the city’s residential property (~$68B) is owned by non-resident foreigners, dwarfing most major global cities. 👉 www.taxobservatory.eu/publication/...

Guess what? EUTO #LunchSeminar is back! 🚀 🎙️Join Margarita López Forero ( @banquedefrance-off.bsky.social ) for an interesting discussion on offshoring wage inequality in tax havens. 🗓️ September 19 | 12pm (CET) 📍 @pse.bsky.social & Zoom 🔗 Register here: us06web.zoom.us/meeting/regi...

This September, the “Zucman Tax” is back on France’s political agenda. Hear directly from its creator, @gabrielzucman.bsky.social, as he explains what this tax is all about ⤵️ Watch the full interview: www.youtube.com/watch?v=2zv1...

💬 @giuliavaraschin.bsky.social: "The proposal is for a minimum level of taxation that would simply fill the current gap and ensure the ultra-rich pay as much in taxes as everyone else." 🎥 Watch the full interview: www.raiplay.it/video/2025/0...

🧵 1/ Over 20% of global banking debt is booked in #TaxHavens. Why do international banks rely so heavily on low-tax jurisdictions with tiny economies? Our latest Working Paper provides the first global evidence of large-scale debt shifting to avoid taxes 👇 www.taxobservatory.eu/es/publicati...

Our third #TheOffshoreTalks with @ebharrington.bsky.social and @chrisaltereco.bsky.social explored how offshore finance fuels economic crises and austerity, while also undermining democracy. 📺 Missed it live? Catch the full lecture now on our YouTube channel → youtu.be/WNE6ssttHP4

💰 Interested in where profits from extractives really go? Don’t miss tomorrow’s session with @nmoreaukastler.bsky.social and Pierre Bachas! 🗓️ 7 Aug | 15:00 CEST 🔗 Sign up: us02web.zoom.us/webinar/regi...

Thanks to the hard work of our comms officer Inga, you can now find @taxobservatory.bsky.social 's content on REPEC! edirc.repec.org/data/eutaxfr...

1/ How do MNEs shift profits to tax havens & who’s doing most of it? Using #German administrative data, authors show: 🔹 Profit shifting rises sharply with firm size 🔹 €19bn shifted in 2022 alone 🔹 95% of that by firms covered by the Global Minimum Tax 👉 www.taxobservatory.eu/publication/...

As the U.S. 🇺🇸 shows reluctance to embrace tax multilateralism, the EU 🇪🇺 can lead — ensuring fair competition, strengthening tax justice, and financing ambitious industrial policies. Read the full piece by Samuel Delpeuch & Sébastien Laffitte ⤵️ esprit.presse.fr/actualites/s...

💡 "One of the most promising avenues is to introduce a minimum tax for the ultra-rich, expressed as a percentage of their wealth." Seven Nobel laureates in economics advocate for the Zucman tax in their latest op-ed. Read the full @lemonde.fr article 👇 www.lemonde.fr/idees/articl...

"The research is clear: at the very top of the distribution, the super-rich pay less tax relative to their economic income than the rest of the population—fuelling inequality. Taxing HNWIs brings direct revenue & indirectly boosts funding by rebuilding tax consent." @qparrinello.bsky.social at #FfD4

🔴 Happening now! Don’t miss the panel discussion on "How to Tax the Super-Rich?" with Sarah Godar and others. 🎥 Watch live: www.youtube.com/watch?v=zs5G...

🧵1/ Over the past decade, 100+ countries signed Automatic Exchange of Information (AEoI) agreements to fight cross-border tax evasion. But how effective are these in practice? Our new paper sheds light using leaked bank data from the Isle of Man 👉 bit.ly/4kF265w

"The world needs tariffs not for US exports, but for oligarchs." @gabrielzucman.bsky.social on how Trump’s tax and trade policies are reshaping global inequality, and what other countries can do in response. 🔗 prosyn.org/hIFugHE ‪@projectsyndicate.bsky.social

💬 "Our proposal on the minimum tax on HNWIs draws from the experience of international tax cooperation on multinational companies to look at how we can reach an agreement without waiting 15–20 years." – @qparrinello.bsky.social at #OxfamItalia's conference on the Taxation of Wealth.

Les milliardaires paient deux fois moins d'impôts que les Français. Pour corriger cette inégalité, des économistes et experts, comme Quentin Parrinello, proposent de les taxer de 2 %. L'idée sera discutée au Sénat le 12 juin. Lire l'article ➡️ https://l.reporterre.net/yjD

🇫🇷 Tribune puissante dans @lemonde.fr : Olivier Blanchard, Jean Pisani-Ferry et Gabriel Zucman défendent un impôt plancher sur les grandes fortunes. Ciblé, efficace, conforme au principe d’égalité fiscale. 📎 Lire l’article complet ⤵️ www.lemonde.fr/idees/articl...

Imagine if Latin American countries acted as one and said: "Our billionaires must pay their fair share" That's how global change starts So great to take part in the event hosted by @icrict.bsky.social Rumbo Colective & Oxfam at the Chilean Congress Library today—thanks for having me!

Day 2 of the Workshop on the Economics of Taxation kept the momentum going!⚡️ Today’s spotlight: 🏠 property taxes, 🔄 profit shifting, 💻 digitalization of tax systems, 🌍 tax spillovers, and ⚖️ growing enforcement challenges in developing countries, among other topics.

A fantastic Day 1 at the Workshop on the Economics of Taxation! From corporate tax & offshore wealth to inheritance, inequality & tax incidence, researchers & PhD students are diving deep into the big questions. Co-organised with @fundacioieb.bsky.social!

📢 New report: CRS data from 16 countries shows progress in curbing offshore wealth, but also signs of underreporting. The report calls for greater transparency & public CRS stats to support informed debate on international tax evasion & capital flight. 📄 www.taxobservatory.eu/publication/...

What do we want? A minimum tax on the super-rich When do we want it? Now! It was a pleasure to give this short introductory remarks for the International Tax Reform Summit that takes place in Johannesburg today @icrict.bsky.social @oxfaminternational.bsky.social @fesonline.bsky.social

🚨 New paper out! 🚨 🎁 "Safely Opening Pandora’s Box" offers a must-read roadmap for researchers using leaked data in empirical work. Ethics, legality, privacy – our latest WP tackles it all. 🔗 Check out the paper: www.taxobservatory.eu/fr/publicati... @mattcollin.bsky.social @andokl.bsky.social

📢 We’re looking for an Administrative Manager to keep our team running smoothly. If you’re organized, proactive, and thrive behind the scenes – this one’s for you. 👉 Learn more & apply: www.taxobservatory.eu/administrati...

💥 “It sounds like we should tax billionaires…” A 2% minimum tax on the ultra-rich is the punchline with a plan: make them pay what ordinary people already do. With growing global momentum, this is no longer just theory. Read: www.ft.com/content/859e...

💡 Mesurer l’évitement fiscal & environnemental: Notre collègue @mathieupar.bsky.social, finaliste du Prix du meilleur jeune économiste 2025, revient sur le pouvoir de marché des multinationales, l’optimisation fiscale et la taxe carbone aux frontières. @lemonde.fr 👇 www.lemonde.fr/economie/art...

How do tax enforcement interventions diffuse through firm-to-firm networks? 🤔 Join Lin Tian (INSEAD) for our next #LunchSeminar to explore this question with a randomized trial in #Uganda 🇺🇬 🗓️ May 23 | 12pm (CET) 📍 @pse.bsky.social & online 🔗Register: us06web.zoom.us/meeting/regi...

Our third #TheOffshoreTalks with @ebharrington.bsky.social and @chrisaltereco.bsky.social explored how offshore finance fuels economic crises and austerity, while also undermining democracy. 📺 Missed it live? Catch the full lecture now on our YouTube channel → youtu.be/WNE6ssttHP4

🚀 We've kicked off our annual high-level event, “Competition or Cooperation: EU Tax Policies for Tomorrow! 🇪🇺 “The EU Tax Observatory has been instrumental in bringing evidence to the tax policy conversation.” 💬 Gerassimos Thomas, DG for Taxation and Customs Union 📢 Stay tuned!

📢 Join @erintroland.bsky.social (Federal Reserve Board) to discuss how accurate property assessments and state oversight play a crucial role in reducing school funding inequality at our next #LunchSeminar. 🗓️ May 16 | 12pm (CET) 📍@pse.bsky.social & online 🔗 Register: us06web.zoom.us/meeting/regi...

🚨 New staggered DiD paper for PPML Want to estimate multiplicative DiD with PPML under staggered treatment? My new paper explores key issues and solutions: www.taxobservatory.eu/publication/... #EconBluesky #Econometrics 🧶 1/

WP by @nmoreaukastler.bsky.social on how to estimate proportional treatment effects with staggered timing using PPML. 🔹TWFE PPML can be biased with treatment heterogeneity & staggered adoption. 🔹Proposing a counterfactual method to recover the correct % change. www.taxobservatory.eu/publication/...

En Europe, les multinationales paient moins d'impôts qu'il y a 10 ans. Pourquoi? Découvrez notre dernière note avec @julesducept.bsky.social & Sarah Godard pour @taxobservatory.bsky.social qui met en lumière les nouveaux visages de la compétition fiscale des multinationales.

1/ 📉 Multinational companies in the EU are paying less tax now than they did a decade ago. But why? Our new policy note reveals that the average effective tax rate of MNEs in the EU dropped 2.7 percentage points from 2014 to 2022. 🔎 For more insights: www.taxobservatory.eu/publication/...

Delighted to be at the EU Council today to talk about own resources for the EU We need a minimum tax on ultra-high net worth individuals We know we can do it And it would generate a lot of (much needed) revenue! www.taxobservatory.eu//www-site/up...

Our third #TheOffshoreTalks with @ebharrington.bsky.social on offshore finance! 🗣️ “A small group of offshore professionals — perhaps a few hundred — enable the kleptocrats to undermine democracy, distort capitalism and destroy the environment. These individuals can be slowed or stopped.”

C'est après-demain !

🔔 Only two days left! Don’t miss our next #TheOffshoreTalks with @ebharrington.bsky.social and @chrisaltereco.bsky.social! Register now: tally.so/r/mKGJ1g

Workshop on the Economics of Taxation, jointly organised by the IEB & @taxobservatory.bsky.social 🗣️ Keynote speakers: @dinapomeranz.bsky.social & Youssef Benzarti 📅 June 3-4, 2025 📍 @ubeconomics.bsky.social  No registration fee ➡️ https://f.mtr.cool/tjbvktfrdq

If you're in New York, don't miss @qparrinello.bsky.social at the #FfD4 PrepCom side event on "Taxation for Inequality Reduction: Call for Action to Seville FFD4." 🗓️ April 28, 2025 🕒 3:00 – 4:30 PM EST 📍 UNDP, New York – Conference Room 1860 A timely and important conversation!

📢 Don’t miss our next #LunchSeminar with Isaac Amedanou (Université Jean-Monnet Saint-Etienne)! Discover how economic sanctions impact natural resource taxation in targeted countries. 🗓️ April 25 | 12pm (CET) 📍 @pse.bsky.social & online 🔗 Register here: us06web.zoom.us/meeting/regi...

📢 Join us in #Brussels on May 13 for our annual high-level event! Engage with leading policymakers, experts, and stakeholders as we explore the dynamic relationship between tax policy, competition, and cooperation within the EU 🇪🇺 🔗 Register now: www.eventbrite.com/e/competitio...

💰Wealth without taxes. Influence without scrutiny. How do wealth managers use offshore banks, shell companies & trusts to shield billions from taxes & legal obligations? Join @ebharrington.bsky.social & @chrisaltereco.bsky.social for our next #TheOffshoreTalks! 🔗 taxobservatory.eu/event/offsho...

📢 Ever wanted to work on taxation & public policy? Now’s your chance! We’re hiring a Senior Policy Advisor to join our amazing policy team — turning cutting-edge research into real-world impact through policy recommendations. Apply by May 4: www.taxobservatory.eu/senior-polic...

🎙️ Join us for our next #TheOffshoreTalks on April 30 with @ebharrington.bsky.social as she unveils how the shadowy global system of offshore finance fuels economic crises and austerity, while also undermining democracy. 🕧 12:30 CET 📍 @pse.bsky.social Register: www.taxobservatory.eu/event/offsho...