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Hélène Rey

@helene-rey.bsky.social

Professor of Economics London Business School Vice President CEPR President European Economic Association. Views are my own.

1,373 Followers  |  291 Following  |  58 Posts  |  Joined: 29.11.2024
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Posts by Hélène Rey (@helene-rey.bsky.social)

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The political effects of X’s feed algorithm - Nature Among users initially on a chronological feed, 7 weeks of exposure to X’s algorithmic feed in 2023 shifted political attitudes and account-following behaviour in a more conservative direction compared...

Important paper on X algorithm effect on political views. www.nature.com/articles/s41...

23.02.2026 08:44 — 👍 7    🔁 5    💬 0    📌 0
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Bundesbank boss: New reality calls for more EU debt Joachim Nagel’s shift on eurobonds reflects today’s “different reality,” he told POLITICO.

www.politico.eu/article/bund...

11.02.2026 18:27 — 👍 3    🔁 0    💬 0    📌 0

There is such 'hunger' among Europeans to contribute to help Ukrainians through the cold. In NL we just broke through the €300.000 mark but this is next level. Five minutes! Ordinary Europeans stepping in to help Ukraine buy the generators it needs.

07.02.2026 09:33 — 👍 142    🔁 46    💬 2    📌 2
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A new framework for a fractured world | London Business School The London Consensus: a global benchmark for economic policy, and LBS’s role within it

The London Consensus: edited by Tim Besley, Irene Bucelli & Andres Velasco (@lsepress.bsky.social) featuring research from @helene-rey.bsky.social. The book's gaining traction across academia, policy & media. From Delhi to Buenos Aires -challenging austerity economics. www.london.edu/news/the-lon...

26.01.2026 19:16 — 👍 4    🔁 3    💬 1    📌 0
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News Right Honourable Mark Carney - Le très honorable Mark Carney

www.pm.gc.ca/en/news/spee...
Historic speech!

20.01.2026 22:29 — 👍 29    🔁 9    💬 0    📌 0
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Our Democracy is up for sale. Do not support Reform, you will live to regret it.

18.01.2026 07:23 — 👍 19    🔁 9    💬 1    📌 1
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Vers une nouvelle monnaie ? Avec Eichengreen, Kazāks, Knot, Lalucq, Rey et Tolosa | Le Grand Continent En arsenalisant leur devise avec l'offensive des stablecoins, les États-Unis n’attaquent pas uniquement l’euro — ils s'en prennent à toutes les autres monnaies. L’Union n'a plus le choix : elle doit ...

Mon panel en Val d’Aoste sur le système monétaire international legrandcontinent.eu/fr/2025/12/3...

01.01.2026 10:16 — 👍 1    🔁 2    💬 0    📌 0

Important point: university isn't just for posh kids; Erasmus+ gives non-posh kids same chance as posh kids to study abroad, which they otherwise wdn't have; & covers vocational & other non-university training & education exchanges. And if more students come to the UK, that increases UK soft power.

18.12.2025 11:59 — 👍 224    🔁 75    💬 11    📌 4
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Olympia Bover has been appointed president of the Catalan Statistics Council
www.cemfi.es/all_news_blo...

18.12.2025 12:12 — 👍 16    🔁 7    💬 1    📌 0

Absolutely. The coalition of countries should grow over time and include indeed at least UK, Ukraine and Norway. If things could be done quickly they should be there from the start. But timing is of the essence. First priority is to get it up and running very quickly.

18.12.2025 12:09 — 👍 2    🔁 0    💬 1    📌 0
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Trump's policies are weakening the US. @helene-rey.bsky.social sees an opportunity for the euro. In an interview on the sidelines of the #UBSCenterForum, she warns of a future where the major powers compete financially.

www.ubscenter.uzh.ch/en/news_even...

#EconomicsForSociety #UZH #shareUBS

18.12.2025 11:58 — 👍 5    🔁 2    💬 0    📌 1
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Trump’s war on Europe American foreign policy now aims to help rightwing nationalists into power across the continent

giftarticle.ft.com/giftarticle/.... An excellent column by Martin Wolf on Trump’s war on Europe. Great economic data to support the arguments and thank you for the generous mention of our European defense proposal. @kiel.institute @cepr.org @voxeu.org @schularick.bsky.social

18.12.2025 11:23 — 👍 21    🔁 10    💬 3    📌 1
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Seven feel-good science stories to restore your faith in 2025 Immense progress in gene-editing, drug discovery and conservation are just some of the reasons to be cheerful about 2025.

www.nature.com/articles/d41...

18.12.2025 08:41 — 👍 19    🔁 4    💬 0    📌 2
- All social media accounts from the last 5 years
- All your biometrics: face, fingerprint, DNA, and iris
- All your phone numbers from the last 5 years
- All your email addresses from the last 10 years
- IP addresses and metadata from your submitted photos
- Names of your family members (parents, spouse, siblings, children)
- All your family members' phone numbers from the last 5 years
- Your family members' dates of birth
- Your family members' places of birth
- Your family members' residencies
- All your business phone numbers from the last 5 years
- All your business email addresses from the last 10 years

- All social media accounts from the last 5 years - All your biometrics: face, fingerprint, DNA, and iris - All your phone numbers from the last 5 years - All your email addresses from the last 10 years - IP addresses and metadata from your submitted photos - Names of your family members (parents, spouse, siblings, children) - All your family members' phone numbers from the last 5 years - Your family members' dates of birth - Your family members' places of birth - Your family members' residencies - All your business phone numbers from the last 5 years - All your business email addresses from the last 10 years

NEW: Five years of social media history is only a fraction of what the US Government will shortly demand of overseas visitors.

The full requirements will end tourism in the United States.

Below is the full, mind-blowing list.

🚨THEY. WANT. YOUR. DNA.🚨

1/

11.12.2025 15:27 — 👍 1938    🔁 1206    💬 229    📌 880
European defence governance and financing In a context of shifting US commitments, external threats, and global competition over trade, technology, critical minerals, talent, and intellectual property, Europe’s lack of defence capabilities leaves it vulnerable to economic and foreign policy pressure. This column outlines key principles for establishing a European Future of Defence Architecture and a framework for its financing.

cepr.org/voxeu/column...

11.12.2025 09:03 — 👍 3    🔁 5    💬 1    📌 0

The English version is here; cepr.org/voxeu/column...

11.12.2025 09:02 — 👍 2    🔁 2    💬 0    📌 0
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Wie Europa die USA ersetzen kann Jetzt oder nie: Europa muss endlich selbst für seine Verteidigungsfähigkeit sorgen. Dafür braucht es vor allem zwei Maßnahmen.

Even more important after the US security strategy document. Our proposal for the future of European defense with @schularick.bsky.social @kiel.institute @voxeu.org and Philipp Hildebrand now in the Frankfurter Allgemeine Zeitung: www.faz.net/aktuell/wirt...

11.12.2025 08:39 — 👍 14    🔁 3    💬 1    📌 1

The panel featured:
• Takeo Hoshi (University of Tokyo)
• Signe Krogstrup (@nationalbanken.dk and CEPR)
• Philip Lane (@ecb.europa.eu and CEPR)
• @helene-rey.bsky.social (London Business School and CEPR)

Chaired by: Olivier Garnier (@banquedefrance-off.bsky.social)

#EconSky

06.12.2025 10:39 — 👍 0    🔁 1    💬 0    📌 0
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The first panel of day 1 covered three main topics: differences and similarities b/w the past & current global imbalances, w/ specific discussion of Japan’s experience in the 1980s, whether imbalances are a cause for concern, & what the implications are for the monetary system & the role of the $.

06.12.2025 10:36 — 👍 2    🔁 1    💬 1    📌 0
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The New US National Security Strategy Trump Says Openly That the US Wants to Dominate Europe and Make it MAGA

The Trump administration released its latest National Security Strategy--and one thing that can be said is that there is no more pretending. It’s a plan to weaken European unity, to make Europe MAGA, to force Europe to take economic dictation by the USA…. open.substack.com/pub/phillips...

05.12.2025 10:08 — 👍 455    🔁 253    💬 28    📌 61
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🇫🇷 Le Français Thibault Gonzales a été sacré champion du monde de pâté-croûte lundi soir à Lyon, un titre que les chefs japonais défendent farouchement depuis plusieurs années.

02.12.2025 12:30 — 👍 63    🔁 17    💬 1    📌 9

@martinsandbu.ft.com (generously) discussing our plan with Moritz Schularick and Philipp Hildebrand for joint financing of next generation defence capabilities (and their spillovers). @kiel.institute @voxeu.org @cepr.org

01.12.2025 00:00 — 👍 22    🔁 8    💬 1    📌 0

Vielen Dank! Amazing ceremony full of energy. A wonderful honour.

28.11.2025 11:47 — 👍 8    🔁 0    💬 2    📌 0
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Defense: 'If Europe fails to act, the very survival of the European project and its core values would be at risk' OP-ED. Economists Hélène Rey and Moritz Schularick, along with Philipp Hildebrand, vice president of the investment fund BlackRock, call for the creation of a new European framework for future defense...

[Opinion] #EUDefense: "If #Europe fails to act, the very survival of the #European project and its core values would be at risk“, by Philipp Hildebrand, @helene-rey.bsky.social & @schularick.bsky.social | Le Monde
 www.lemonde.fr/en/opinion/a...

26.11.2025 14:21 — 👍 4    🔁 2    💬 0    📌 0

@kiel.institute @schularick.bsky.social @sophiepedder.bsky.social For Europe to gain relevance in international negotiations ( Ukraine, trade, democracy…)

26.11.2025 09:05 — 👍 4    🔁 0    💬 0    📌 0
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Défense de l’Europe : « A terme, c’est la survie même du projet européen et de ses valeurs fondamentales qui sera menacée » TRIBUNE. Les économistes Hélène Rey et Moritz Schularick et le vice-président du fonds d’investissement BlackRock Philipp Hildebrand proposent, dans une tribune au « Monde », la création d’une nouvell...

www.lemonde.fr/idees/articl...

Une architecture européenne pour la défense du futur un cadre à la fois technologique, industriel et financier afin d’atteindre une autonomie stratégique et de favoriser l’intégration des marchés financiers européens. @voxeu.org @cepr.org @sylviekauffmann.bsky.social

26.11.2025 08:14 — 👍 9    🔁 4    💬 0    📌 1
European defence governance and financing In a context of shifting US commitments, external threats, and global competition over trade, technology, critical minerals, talent, and intellectual property, Europe’s lack of defence capabilities leaves it vulnerable to economic and foreign policy pressure. This column outlines key principles for establishing a European Future of Defence Architecture and a framework for its financing.

European defence governance and financing. Because Europe cannot be blackmailed any longer. If not now then when? @voxeu.org @cepr.org @kiel.institute cepr.org/voxeu/column...

23.11.2025 20:33 — 👍 37    🔁 10    💬 0    📌 1
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From the US-Russia plan for Ukraine - US firms would get US$100bn in cash from Russia's frozen central bank reserves to invest in Ukraine's reconstruction, with the US (government) ultimately receiving 50% of the profits (US claims over Russia's frozen reserves amount to only US$5bn)

21.11.2025 11:42 — 👍 16    🔁 8    💬 1    📌 1
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The scramble for Europe is just beginning As the EU struggles to defend its interests, outside powers play divide and rule

The scramble for Europe is just beginning

Europe’s weakness on security had negated its potential strength on trade. One form of frailty had led to another. on.ft.com/4oDf4Tk

17.11.2025 19:50 — 👍 20    🔁 6    💬 1    📌 1
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Dollar, Euro, Yuan et cryptomonnaies : le nouveau paysage monétaire Podcast Episode · Affaires étrangères · 15/11/2025 · 59m

podcasts.apple.com/gb/podcast/a...
Discussion between Olivier Blanchard, Eric Monnet and me. Thank you Christine Ockrent and France culture. @franceculture.fr @cepr.org

15.11.2025 20:03 — 👍 5    🔁 2    💬 0    📌 0