Philippe Aghion

@Ph_Aghion · joined 30 Oct 2025

Professor at College de France and INSEAD. 2025 Nobel Prize in Economics. Account managed by my students at @cdf1530 to share news, not opinions.

26 784Followers

154Following

196Posts total

154.7KViews on collected posts

Son gönderiler

Philippe Aghion@Ph_Aghion7 Sep

👏👏 👏 Un incontournable de la rentrée ! 6.5K views · 59 likes · 7 reposts · 1 replies Open on X →

Philippe Aghion@Ph_Aghion12 Aug

🌒🌒🌒 Eclipse time on the Farhi Innovation Lab rooftop https://t.co/fluC2CF9bP

3.9K views · 77 likes · 3 reposts · 2 replies Open on X →

Philippe Aghion@Ph_Aghion11 Aug

😊👗 5.6K views · 35 likes · 3 reposts · 0 replies Open on X →

Philippe Aghion@Ph_Aghion9 Aug

@Ph_Aghion 👏👏👏 4K views · 9 likes · 0 reposts · 1 replies Open on X →

Philippe Aghion@Ph_Aghion9 Aug

@Ph_Aghion The intersection of AI as a GPT and secular stagnation is fascinating. Perfect topic to dive into while listening to this thunderstorm in Paris! 🌩️ 397 views · 1 likes · 0 reposts · 0 replies Open on X →

Philippe Aghion@Ph_Aghion9 Aug

Je ne connaissais pas cet intéressant documentaire-portrait de Gaby Aghion, la fondatrice de la marque de vêtements Chloé. Avec des interventions précieuses du Prix Nobel @Ph_Aghion dont j'ignorais qu'il était son fils ! https://t.co/9v5fvnsoOF 9.5K views · 16 likes · 3 reposts · 1 replies Open on X →

Philippe Aghion@Ph_Aghion8 Aug

@Ph_Aghion Hey Mr. Nobel winner, I thought that the US has higher innovation rate than Europe because the US prints money, throws it at those who innovate for money (whose job is to make new stuff), whilst Europe doesn't?! Different role of money. All EU companies end up owned by 1.5K views · 3 likes · 0 reposts · 0 replies Open on X →

Philippe Aghion@Ph_Aghion8 Aug

My Nobel lecture and the video of the Stockholm lecture are online. It covers what creative destruction tells us about secular stagnation, firm dynamics, the middle-income trap, and AI as the next GPT revolution. Paper: https://t.co/Viem3OXkiC Video: https://t.co/9rfqTvWXMy 102.3K views · 915 likes · 265 reposts · 21 replies Open on X →

Philippe Aghion@Ph_Aghion6 Aug

Thanks for sharing our findings with @MathAbitbol, Céline Antonin, Lint Barrage and Benjamin Lengereau !! 3.2K views · 11 likes · 3 reposts · 0 replies Open on X →

Philippe Aghion@Ph_Aghion4 Aug

Interesting new paper: an AI system controlling aeration at French wastewater plants cuts electricity use 5.4%, carbon 6%, and costs 8.2%. It has an abatement cost of -€6,300 per ton CO2, paying for itself while cutting emissions. https://t.co/OTcad26eZc

17.7K views · 106 likes · 23 reposts · 5 replies Open on X →

Aynı büyüklükteki hesaplara karşı

Son 90 güne ait 10 gönderi, 10K–100K takipçi aralığıyla yan yana. geniş kitleye gösteriliyor, ama izleyenlerin azı tepki veriyor.

Medyan görüntülenme4 812bu hesap92410K–100K için medyan

Erişim, %17.97%bu hesap3.62%10K–100K için medyan

Etkileşim, %0.56%bu hesap1.52%10K–100K için medyan

Ölçüt	Bu hesap	10K–100K için medyan	Oran
Gönderi başına medyan görüntülenme	4 812	924	5.21×
Erişim (görüntülenme ÷ takipçi)	17.97%	3.62%	4.96×
Etkileşim oranı	0.56%	1.52%	0.37×

Bu aralıktaki diğer hesaplar → Başka bir hesapla karşılaştır → Bu kıyas değerleri nasıl kuruluyor →

Growth & engagement

How the posts we collected actually performed: views and reaction rate post by post, what the audience did with them, and where the follower count goes.

Views per post

17.7K4 Aug

3.2K6 Aug

102.3K8 Aug

1.5K

9.5K9 Aug

397

5.6K11 Aug

3.9K12 Aug

6.5K7 Sep

Last 10 collected posts, oldest on the left. The scale is logarithmic: one post can outrun the rest a hundred times over.

Engagement rate per post

0.78%4 Aug

0.44%6 Aug

1.18%8 Aug

0.20%

0.22%9 Aug

0.25%

0.67%11 Aug

2.09%12 Aug

1.04%7 Sep

Reactions — likes, reposts, replies and quotes — divided by views. Median for 10K–100K accounts is 1.52%.

What the audience does

Likes55.9%1 232 in total

Reposts13.9%307 in total

Replies1.4%31 in total

Quotes0.6%14 in total

Bookmarks28.2%621 in total

Share of every reaction we collected for this account. Replies mean argument, reposts mean endorsement, bookmarks mean the post was worth keeping.

The follower curve appears once this account has two daily snapshots — we take one a day, and this one is on its first.

Son gönderiler

Aynı büyüklükteki hesaplara karşı

Growth & engagement

Views per post

Engagement rate per post

What the audience does

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