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Gabriel Zucman

@gabrielzucman.bsky.social

181 Following28.1k Followers

Chasing wealth and income, present and past, onshore and offshore.
https://gabriel-zucman.eu
https://www.taxobservatory.eu

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@gabrielzucman.bsky.socialJun 13, 2026, 3:47 PM Pinned

In bookstores across the US on August 25. If ever there was a time to act, it is now.

THE INTERNATIONAL BESTSELLER
‘Read it, share it and let’s get on with it’
RUTGER BREGMAN
WE NEED TO TAX
ED
GABRIEL ZUCMAN
‘Finally, how to tax the super-rich’
GARY STEVENSON
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@jakemgrumbach.bsky.socialOct 9, 2026, 4:54 PMReposted by @gabrielzucman.bsky.social

New working paper: the Norwegian wealth tax was a huge success. The "exodus" of wealthy people never happened (less than 100 individuals left). Tax revenue increased by 71.5%. No changes in business activity or investment.

www.nber.org/papers/w35854

Taxing Entrepreneurial Wealth: Evidence from
Norway, 2021-2025
Marius A. K. Ring
WORKING PAPER 35854|
DOl 10.3386/w35854
ISSUE DATE October 2026
Whether imposing higher taxes on business owners adversely affects business activity by constraining investment and inducing capitalist flight is a central question in the ongoing debate on how to tax the ultra wealthy. To shed new light, I exploit a series of related Norwegian reforms during 2021-2024 that increased dividend tax rates, removed migration-related capital gains tax loopholes, and nearly doubled the effective marginal tax rate on business wealth. These reforms spurred international debate and, allegedly, an "exodus" of Norwegian billionaires (Financial Times,
2023). While I document clear effects on migration, these responses are concentrated among the top 0.1% of the wealth distribution and mostly confined to 2022 and 2023. My results indicate that at most 100 individuals left due to the reforms. I find no evidence of significant outmigration or reduced inflows of startup founders or inventors. I estimate that absent any outmigration, wealth tax revenues would have increased by 75% from 2021 to 2024. Reform-driven outmigration lowers the revenue gain to 71.5%. My findings further show that outmigrating owners' firms remain economically active and do not reduce investment. In a broader set of analyses, I examine whether business outcomes are affected, regardless of whether owners outmigrate, since firms may reduce investment both due to liquidity constraints or distortions to owners' savings decisions. I compare firms owned by Norwegian individuals subject to the wealth tax with firms owned by foreigners and other tax-exempt entities. By merging historical ownership data from Orbis with the Norwegian shareholder register, I perform these analyses on both Norwegian and foreign-domiciled firms.
Across settings, I find no evidence that Norwegian-owned firms pay out more dividends or invest less after the reforms,…
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@taxobservatory.bsky.socialSep 21, 2026, 12:21 PMReposted by @gabrielzucman.bsky.social

💸 How does dirty money move across borders, and why is it so difficult to stop?

Join Oliver Bullough for #TheOffshoreTalks as he explores the hidden financial systems that allow illicit wealth to circulate, followed by a discussion with Sara Brimbeuf.

🔗 tally.so/r/0QKD26

@rbreich.bsky.socialSep 9, 2026, 2:00 PMReposted by @gabrielzucman.bsky.social

Billionaires want you to believe taxing their extreme wealth is too radical and that it can’t be done.

Baloney.

Economist @gabrielzucman.bsky.social debunks their lies. Watch.

@gabrielzucman.bsky.socialJun 18, 2026, 5:48 PM

Thanks Martin Wolf for including “We need to tax billionaires” in the FT’s best books of 2026 ✊

www.ft.com/content/96e2...

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@gabrielzucman.bsky.socialJun 1, 2026, 12:44 PM

There's much more on realtimeinequality.org, which we just updated -- comments most welcome as always.

realtimeinequality.orgRealtime InequalityVisualizing income and wealth inequality in the U.S. in real time.
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@gabrielzucman.bsky.socialJun 1, 2026, 12:44 PM

High profits (and expectation of future profits) are pushing top wealth shares past their Covid peak, to levels not seen since the early 20th century. Here's the top 0.1% wealth share.

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@gabrielzucman.bsky.socialJun 1, 2026, 12:44 PM

The very fast growth at the top is linked to the explosion of corporate profits, now at an all time high relative to GDP.

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@gabrielzucman.bsky.socialJun 1, 2026, 12:44 PM

It's hard not to view this as an important reason for the abysmal consumer sentiment (in spite of decent macroeconomic numbers).

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@gabrielzucman.bsky.socialJun 1, 2026, 12:44 PM

Average income per adult grew 1.9% (net of inflation) in 2025. But for the bottom 50% there was no growth. And for the next 40% very little. Almost all the growth was concentrated in the top 10%.

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@gabrielzucman.bsky.socialJun 1, 2026, 12:44 PM

It seems we are now entering a new phase of the rise of inequality in the US.

It's not just wealth and billionaires — it's a broader acceleration.

Here's who benefited from economic growth in 2025, according to the latest estimates available on realtimeinequality.org

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@gabrielzucman.bsky.socialApr 29, 2026, 8:45 AM

Le temps est venu de taxer les profiteurs de guerre.

open.substack.com/pub/gabrielz...

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@gabrielzucman.bsky.socialApr 28, 2026, 7:33 AM

Where are the profits of the war going?

With the rise in oil prices, the profits of extractive companies surge—and a significant share ends up funneled through tax havens.

But it’s not too late to tax war profiteers effectively.

open.substack.com/pub/gzucman/...

open.substack.comWhere are the profits of the war going ?With the rise in oil prices, the profits of extractive companies surge—and a significant share ends up funneled through tax havens. But it’s not too late to tax war profiteers effectively.
3
@gabrielzucman.bsky.socialApr 15, 2026, 11:27 AM

Happy tax day to all those who celebrate!

Couldn’t be more excited to be in New York on this day to discuss the global fight to tax the super rich with Mayor @zohrankmamdani.bsky.social and @josephestiglitz.bsky.social

UGuardian US@us.theguardian.comApr 15, 2026, 11:09 AM

"There is no justification for a regressive system in which the super-rich contribute less than the rest of us," write @josephestiglitz.bsky.social, @gabrielzucman.bsky.social, and @zohrankmamdani.bsky.social.

theguardian.comTax Day is a reminder of America’s unequal tax system. But we can fix it | Zohran Mamdani, Gabriel Zucman and Joseph StiglitzThere is no justification for a regressive system in which the super-rich contribute less than the rest of us
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@gabrielzucman.bsky.socialApr 7, 2026, 10:13 AM

Où vont les profits de la guerre ?

Avec l’envolée des prix du pétrole, les bénéfices des sociétés extractives explosent et finissent recyclés dans les paradis fiscaux.

Mais il n’est pas trop tard pour taxer efficacement les profiteurs de guerre.

gabrielzucman.substack.com/p/ou-vont-le...

gabrielzucman.substack.comOù vont les profits de la guerre ?Avec l’envolée des prix du pétrole, les bénéfices des sociétés pétrolières explosent et finissent recyclés dans les paradis fiscaux.
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@gabrielzucman.bsky.socialFeb 26, 2026, 10:00 AM

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@gabrielzucman.bsky.socialFeb 26, 2026, 9:53 AM

Brussels bubble: "the US is pulling ahead, the EU is lagging behind and must deregulate to remain competitive" Reality:

7
@gabrielzucman.bsky.socialFeb 23, 2026, 2:59 PM

Ce n'est que le début. Mais c'est une lueur d'espoir pour 2026. Et je n’ai aucun doute que dans ce combat – la bataille capitale du 21e siècle – les forces de la démocratie finiront par triompher.

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@gabrielzucman.bsky.socialFeb 23, 2026, 2:59 PM

Cette alliance n’en est qu’à ses balbutiements. Mais de Pedro Sanchez en Espagne, à Lula au Brésil, en passant par Zack Polanski au Royaume-Uni ou AOC aux États-Unis, nous assistons peut-être à sa naissance aujourd’hui.

1
@gabrielzucman.bsky.socialFeb 23, 2026, 2:59 PM

Une alliance pour inventer et mettre en œuvre les nouveaux principes — tel l’impôt plancher sur les ultra-riches – qui permettront aux forces démocratiques de l’emporter sur les forces ploutocratiques.

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