From now on, I'm going to write papers where I take an arbitrary performance metric, restrict the sample to top performers on that metric, and then hunt for negative correlations with everything else in the truncated sample. I'm at a business school, so this should be extremely lucrative.

Atmospheric CO₂ of 340 ppm

A lot of the debate on AI and science focuses on whether LLMs can generate *new* ideas. Yet 20–80% of existing papers are never cited and presumably not read. By digesting vast uncited literatures, LLMs may meaningfully advance knowledge simply by absorbing *old* ideas.

Interesting new applied econometrics paper: Winsorizing and Trimming in RCTs www.sciencedirect.com/science/arti... Weird that this is in JDE instead of an econometrics journal, but not surprising given recent experiences doing applied econometrics work.

German political parties leave X: should other European politicians follow? Yes. cybernews.com/tech/erman-p...

Job market candidate fielding questions from two hostile factions within the department

Grading

Now come to think of it, some 90s eurodance tune would've been funny too

Hungary’s parliament sings “Ode to Joy” — the anthem of Europe — after Péter Magyar is sworn in as prime minister. Hungary is once again a proud member of the European Union.

To bring a smile to your face, here’s an ancient Egyptian dog figurine, a very good boy for some 3,400 years! 🐾🐕❤️ This lovely leaping dog opens and closes its mouth as if barking by using a lever below its chest. The Met 📷 by me #Archaeology

After 12 years, the EU flag is back on Hungary’s Parliament building — the new Speaker’s very first decision. A happy Schuman Day indeed.

Mehr Stimmung als in der Premier League! 💙🖤 #SVW

Oh my. This is spectacular. sinceyouarrived.world/taken

For me it's when they start looking into ETF saving plans after the lecture

Evolution is amazing. From 2–6 months, I was convinced my daughter took after me. Now I don't see myself in her at all anymore.

Früher haben wir uns samstags um 8:30 Uhr zur After-Party getroffen, heute beim Babyschwimmen.

Gut, dass mir sowas in Heilbronn nicht passieren kann.

Still, nearly all scholars based at U.S. institutions.

When a parent dies suddenly, it causes significant earnings losses, especially for women, say researchers at @ox.ac.uk and The Chinese University of Hong Kong. #econsky www.aeaweb.org/research/cha...

What can we learn from automating an entire quantitative social science paper, from prompt to finished product? Thread about ongoing work with @natewilmers.bsky.social 1/12 Paper: osf.io/preprints/so...

Writing is thinking... about grammar, spelling, correct prepositions, avoiding repetitions, and how bloody if-clauses work again.

Validation and transportability are different problems. Some mass screenings may be unvalidatable in principle. h/t @p-hunermund.com for the convo + Mooij/Forré/Magliacane pointers I'm still chasing. wildetruth.substack.com/p/validate-me

This is a real problem which should concern many of you, if you put any weight on inequality. There are issues around measuring the labor share. One is the role of depreciation. The net-of-depreication labor share is higher. But it also shows sharp decline post 2000.

This looks like instant diabetes to me. American consumer behavior is something I'll probably never understand. When I was spending a semester at NYU during my PhD, I shopped at the local Greek supermarket — until I went broke and had to go back to the processed food isle.

6-9 months from now: "In this paper, we use a ransomware attack on a prominent learning management system (LMS) as a source of plausibly exogenous variation to identify..."

Nordic pupils are returning to books and pens

At long last, @dlmillimet.bsky.social's and my paper "On the (Mis) Use of the Fixed Effects Estimator" is published: onlinelibrary.wiley.com/doi/10.1111/...

The United States was the world’s top destination for global talent, bringing together the world’s best in countless fields with ease. The decision to throw away that incomparable asset will permanently impoverish all Americans, Conservative and Liberal.

In Schwaben wird man an der Kasse vorgelassen mit der Aussage: "Ah ja, Sie müssen ja noch arbeiten." Mit der Einstellung wird das Ländle nicht untergehen. 💪

[2016] A French literature Prof was celebrated by the French national assembly, Nobel prize winners, former government ministers, MPs, decorated scientists and academics for winning award ... [2026] ... that he now appears to have made up. www.theguardian.com/world/2026/m...

„Bach/Stoltenberg“-Kompromiss-Vorschlag zur #Einkommensteuer, Vergleich zum Unions-Vorschlag von Yannick Bury & Florian Dorn: Fokussierung der Entlastungen auf mittlere Einkommen, Mindereinnahmen 21 Mrd. €/Jahr. Ein Thread (1/7)🧵⬇️ bsky.app/profile/sbac... www.spiegel.de/wirtschaft/s...

Wow — #AOM seems to be slowly fleeing the U.S. at this point, probably because participation expectations for Philadelphia this year are so much lower than last year.

People should read more European history en.wikipedia.org/wiki/Danish%...

An der Uni St. Gallen ist man offenbar überrascht von der fehlenden intellektuellen Tiefe mit der Curtis Yarvin Menschenverachtung und Demokratiehass begründet. Ja, meine Güte, was habt ihr denn erwartet? Stringent begründeten Faschismus? 🙄 @nataschastrobl.bsky.social @ardenthistorian.bsky.social

Come on FCB! 🔴⚪️ #FCBPSG #PackMas #MiaSanMia

Ob die Südtribüne das Tempo zur Not auch bis in die Verlängerung durchhält? 😅 #PackMas #MiaSanMia

Bürokratieabbau: Regierung will Tankrabatt künftig direkt an Ölkonzerne überweisen www.der-postillon.com/2026/05/tank...

Only in America

Excited to share a new HBR article on some of my recent research with colleagues at BCG about the phenomenon of AI Employees, and why governance is so important for integrating AI agents into your organizations work processes. hbr.org/2026/05/rese...

Life's good

My daughter’s children’s book portraying a romanticized version of dinosaurs without feathers

Confounding of age and period effects strikes again!

Average CEO age at appointment has risen sharply over recent decades. Rising uncertainty & economic complexity increase demand for generalist human capital, prompting firms to prioritise accumulated experience. @vkecht.bsky.social, A Lizzeri, @farzado.bsky.social cepr.org/voxeu/column... #EconSky

This thread is the most uplifting thing I’ve seen today. My takeaway is that hard work is never wasted.

normies be like, you must be so happy

imo neither wins, but if you were required to pick a winner based on ignoring my paper and going with the published evidence, yeah human capital usually wins link.springer.com/article/10.1...

Regular reminder that every time we are in a position to evaluate "signaling" vs. "human capital" models of education, "human capital" wins hands down.

German colleagues be like: You get to choose your title? 👀

me and the manuscript i asked for your feedback on

Oh well...