Gabriel Zucman

Gabriel Zucman (born 30 October 1986) is a French economist known for his research on tax havens and corporate tax havens from his 2015 book The Hidden Wealth of Nations: The Scourge of Tax Havens.[1][2][3] Zucman is also known for his work on the quantification of the financial scale of base erosion and profit shifting (BEPS) tax avoidance techniques employed by multinationals in corporate tax havens,[4][5] through which he identified Ireland as the world's largest corporate tax haven in 2018.[6] Zucman showed that the leading corporate tax havens are all OECD–compliant, and that tax disputes between high–tax locations and havens are very rare. Zucman's papers are some of the most cited papers on research into tax havens.[7] In 2018, Zucman was the recipient of the Prize for the Best Young Economist in France, awarded by the Cercle des économistes and Le Monde in recognition of his research on tax evasion and avoidance and their economic consequences.[8] He is currently an Assistant Professor of Economics at the University of California, Berkeley.[9]

Gabriel Zucman
Born (1986-10-30) 30 October 1986
Paris, France
Spouse(s)Claire Montialoux
InstitutionsParis School of Economics
University of California at Berkeley
London School of Economics
FieldPublic economics
Alma materÉcole normale supérieure de Cachan (BSc)
Paris School of Economics (MSc, PhD)
Thomas Piketty
ContributionsTax avoidance, Base erosion and profit shifting, Tax havens
AwardsExcellence Award in Global Economic Affairs, Kiel Institute for the World Economy (2017)
Excellence in Refereeing Award (2017) American Economic Review (2015)
Prix du meilleur jeune économiste de France (2018)
Information at IDEAS / RePEc
WebsiteGabriel Zucman


In interviews, Zucman describes the "traumatic political event of my youth", as being when Jean-Marie Le Pen reached the final rounds of the 2002 French presidential election, when Zucman was 15. In 2018, Zucman said of that event: "A lot of my political thinking since then has been focused on how we can avoid this disaster from happening again. So far, we’ve failed".[9]

From 2005 to 2010, Zucman attended the École normale supérieure de Cachan, one of France's prestigious Grandes Écoles.[10] Hereafter, he first earned his M.Sc. in economic policy analysis in 2008 and a PhD in economics in 2013, both from the Paris School of Economics, for which he received the French Economic Association's award for best PhD dissertation in 2014. After finishing his studies, Zucman worked for a year as a postdoctoral scholar at the University of California at Berkeley (UC Berkeley) before accepting a position as assistant professor of economics at the London School of Economics (LSE) and the same position at UC Berkeley, being currently on leave from LSE. Moreover, Zucman has worked as Co-Director of the World Wealth and Income Database (WID), a database aiming at the provision of access to extensive data series on the world distribution of income and wealth, since 2015.[11]

Besides his research and teaching activities, Zucman has refereed for several economic journals, including the Quarterly Journal of Economics, the Review of Economic Studies, Econometrica, and the Journal of Political Economy. He also co–founded and acts as editor–in–chief for Regards croisés sur l'économie, a review aimed at exposing the French general public to academic research in economics.[10][9]


In August 2014 in Capital is Back, Zucman and French economist Thomas Piketty investigate the evolution of aggregate wealth–to–income ratios in the top eight developed economies, reaching back as far as 1700 in the case of the U.S., U.K., Germany, and France, and find that wealth–income ratios have risen from about 200–300% in 1970 to 400–600% in 2010, levels unknown since the 18th and 19th centuries. Most of the change can be explained by the long-run recovery of asset prices, the slowdown of productivity, and population growth.[12] Zucman has co-written several papers with Thomas Piketty.[9]

Much of Zucman's research is on issues of economic inequality and, most importantly, tax havens.[9] In 2015 in his book,The Hidden Wealth of Nations, Zucman uses the systematic anomalies in international investment positions to show that the net foreign asset positions of rich countries are generally underestimated because they don't capture most of the assets held by households in offshore tax havens.[9] Based on his calculations, he finds about 8% of the global financial wealth of households, or $7.6 trillion, to be held in tax havens, three–quarters of which go undeclared.[13]

In 2017–18, Zucman focused on the scale of multinational tax avoidance by base erosion and profit shifting ("BEPS") tools in the largest corporate tax havens.[9] Zucman believes Ireland, recognised as a major corporate tax haven, is still materially underestimated by Orbis–database studies due to technical factors (even though these studies rank Ireland as the 5th largest global corporate Conduit OFC).[14] Research published by Zucman, Tørsløv and Wier in June 2018, showed that Ireland is the largest corporate tax haven in the world, even larger than the entire Caribbean corporate tax haven system.[4][5][6] This research also showed that tax disputes between high–tax jurisdictions and corporate tax havens are extremely rare, and that tax disputes really only occur between high–tax jurisdictions.[15]

Along with James R. Hines Jr. and Dhammika Dharmapala, Gabriel Zucman is noted as a leader in the study of tax havens,[16] and his papers are amongst the most cited research on tax havens.[7] As of October 2018, Zucman ranks 1st out of "19,829 economists whose first publication of any kind is 10 or fewer years ago", on the IDEAS/RePEc St Louis Reserve database of papers by global economists.[17]

Much of Zucman's other research deals with the effect of the G20's crackdown on tax havens and corporate tax havens, cross–border taxation and multinational profit shifting, the long–term relationship between wealth and inheritance, and the trajectory of wealth inequality in the United States. Zucman is frequently quoted in the leading global news media.[18][5][19][9]

Tørsløv-Wier-Zucman 2018 list

The only tax havens from the Tørsløv-Wier-Zucman list that have ever appeared on an OECD list of tax havens, are some Caribbean locations, namely The British Virgin Islands (but not the Cayman Islands).[20] Nine of the top ten locations from the Tørsløv-Wier-Zucman list, match the top ten on the James R. Hines 2010 list (assuming that Zucman's "Caribbean" is mostly two locations, The Cayman Islands and The British Virgin Islands; Zucman lists Bermuda separately).

Missing Profits of Nations. Appendix: Table 2: Shifted Profits: Country–by–Country Estimates (2015)[4]
Tax Haven
Rank by
Profit Shifted
Profits ($bn)
Of Which:
Local ($bn)
Of Which:
Foreign ($bn)
Shifted ($bn)
Tax Rate (%)
Corp. Tax
Gain/Loss (%)
Puerto Rico7531043-423%79%
Hong Kong*‡8954550-3918%33%
All Others12-51

(*) Identified as one of the largest 10 tax havens by James R. Hines Jr. in 2010 (the Hines 2010 List).[21]
(†) Identified as one of the 5 Conduits (Ireland, Singapore, Switzerland, the Netherlands, and the United Kingdom), by CORPNET in 2017.[22]
(‡) Identified as one of the largest 5 Sinks (British Virgin Islands, Luxemburg, Hong Kong, Jersey, Bermuda), by CORPNET in 2017.[22]
(Δ) Identified on the first, and the largest, OECD 2000 list of 35 tax havens (the OECD list only contained Trinidad & Tobago by 2017); only some Caribbean territories were listed by the OECD in 2000.[20]


Zucman was born in Paris in 1986, and is the son of two French doctors; his mother is an immunology researcher while his father treats HIV patients.[9]

Zucman is married to the French economist, Claire Montialoux, whom he met in 2006.[9]


  • Zucman, Gabriel (2015). The Hidden Wealth of Nations: The Scourge of Tax Havens. University of Chicago Press. ISBN 978-0226245423.

See also


  1. Sunstein, Cass R. (January 14th, 2016). Parking the Big Money. The New York Times Book Review.
  2. Houlder, Vanessa (October 2nd, 2015). ‘The Hidden Wealth of Nations: The Scourge of Tax Havens’, by Gabriel Zucman. Financial Times.
  3. Drucker, Jesse (September 21st, 2015). If You See a Little Piketty in This Tax-Haven Book, That's Fine. Bloomberg Businessweek.
  4. Gabriel Zucman; Thomas Tørsløv; Ludvig Wier (8 June 2018). "The Missing Profits of Nations" (PDF). National Bureau of Economic Research.
  5. "Zucman:Corporations Push Profits Into Corporate Tax Havens as Countries Struggle in Pursuit, Gabrial Zucman Study Says". Wall Street Journal. 10 June 2018. Such profit shifting leads to a total annual revenue loss of $200 billion globally
  6. "Ireland is the world's biggest corporate 'tax haven', say academics". Irish Times. 13 June 2018. New Gabriel Zucman study claims State shelters more multinational profits than the entire Caribbean
  7. "IDEAS/RePEc Database". Tax Havens by Most Cited
  8. Le Monde (May 28th, 2018). Gabriel Zucman a reçu le prix du meilleur jeune économiste 2018. Retrieved January 15th, 2019.
  9. Ben Steverman (23 May 2019). "The Wealth Detective Who Finds the Hidden Money of the Super Rich". Bloomberg News. Retrieved 28 May 2019.
  10. Curriculum vitae of Gabriel Zucman.
  11. The WID is managed jointly by Facundo Alvaredo, Tony Atkinson, Thomas Piketty, Emmanuel Saez, and Gabriel Zucman; see the website.
  12. Piketty, Thomas; Zucman, Gabriel (2014). "Capital is Back: Wealth-Income Ratios in Rich Countries 1700–2010". The Quarterly Journal of Economics. 129 (3): 1255–1310. doi:10.1093/qje/qju018.
  13. Zucman, Gabriel (2013). "The Missing Wealth of Nations: Are Europe and the U.S. Net Debtors or net Creditors?". The Quarterly Journal of Economics. 128 (3): 1321–1364. doi:10.1093/qje/qjt012.
  14. Gabriel Zucman; Thomas Tørsløv; Ludvig Wier (November 2017). "Why high-tax locations let tax havens flourish" (PDF).
  15. Gabriel Zucman; Thomas Torslov; Ludvig Wier (June 2018). "The Policy Failure of High–Tax Countries" (PDF). National Bureau of Economic Research, Working Papers. pp. 44–49.
  16. Vincent Bouvatier; Gunther Capelle-Blancard; Anne-Laure Delatte (July 2017). "Banks in Tax Havens: First Evidence based on Country–by–Country Reporting" (PDF). EU Commission. p. 50. Figure D: Tax Haven Literature Review: A Typology
  17. "Top Young Economists, as of October 2018". Federal Reserve of St. Louis. The rankings: Top 200 Economists (10 years or less) Taken from a pool of 19829 economists whose first publication of any kind is 10 or fewer years ago. These rankings consider only the youngest economists registered with RePEc. Young is defined by the year of the first publication in any form. Note that the shorter the time span considered, the more likely the ranking is going to be spurious.
  18. Gabriel Zucman (8 November 2017). "The desperate inequality behind global tax dodging". The Guardian.
  19. Gabriel Zucman (4 August 2017). "Gabriel Zucman on tax evasion and inequality". Financial Times.
  20. "Towards Global Tax Co-operation" (PDF). OECD. April 2000. p. 17. TAX HAVENS: 1.Andorra 2.Anguilla 3.Antigua and Barbuda 4.Aruba 5.Bahamas 6.Bahrain 7.Barbados 8.Belize 9.British Virgin Islands 10.Cook Islands 11.Dominica 12.Gibraltar 13.Grenada 14.Guernsey 15.Isle of Man 16.Jersey 17.Liberia 18.Liechtenstein 19.Maldives 20.Marshall Islands 21.Monaco 22.Montserrat 23.Nauru 24.Net Antilles 25.Niue 26.Panama 27.Samoa 28.Seychelles 29.St. Lucia 30.St. Kitts & Nevis 31.St. Vincent and the Grenadines 32.Tonga 33.Turks & Caicos 34.U.S. Virgin Islands 35.Vanuatu
  21. James R. Hines Jr. (2010). "Treasure Islands". Journal of Economic Perspectives. 4 (24): 103–125. Table 1: 52 Tax Havens
  22. Javier Garcia-Bernardo; Jan Fichtner; Frank W. Takes; Eelke M. Heemskerk (24 July 2017). "Uncovering Offshore Financial Centers: Conduits and Sinks in the Global Corporate Ownership Network". Scientific Reports. 7 (6246): 6246. arXiv:1703.03016. Bibcode:2017NatSR...7.6246G. doi:10.1038/s41598-017-06322-9.
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