Have a look at our paper on centralized school-choice mechanisms!

Today, the blog posts about my office mate Willy's research! Tomorrow, it's about my research! Stay tuned!

Pre-registration has become mainstream, yet trade-offs persist: Our new survey finds that researchers assign a credibility premium to significant results from pre-registered tests, but a significant proportion expects a negative impact on research creativity and volume.

Is China a "Paper Tiger" when it comes to scientific quality? Our investigation into citation home bias reveals China exhibits the largest bias globally, demonstrating that its apparent rise in citation rankings is overstated. 190researchblog.subs...

I will present at the ES Winter Meeting, and I couldn't search and find my name on the program. I was about to message the organizers. The reason I didn't find me is that I went through all theory sessions, but in fact I am presenting in "Experimental Economics II." Still getting used to this...

How much does out-of-school learning influence foreign-language acquisition? Our new analysis shows that historical national decisions to subtitle imported TV content systematically result in a large positive effect on English-language skills. open.substack.com/pu...

How to incentivise cooperation when monetary incentives are costly or ineffective? Our experiment shows a public recognition award increases employee willingness to help by 21%, leveraging social image towards peers and management-related reputation.

Apologies in advance, I will share every single one of these posts next week! One of them will also be about my research!

The song is inspired by a woman the singer met in London in the 80s, and the funniest rumor is that this woman later married the Greek economist and former finance minister Yanis Varoufakis. It's probably not true, but he fueled the rumor himself 🙃

"The proof is omitted"

Recycling my prediction.

Power move 😲

The semester is about to start and today I was asked if I am a freshman. That's a clear sign that I don't work enough.

I feel like I have missed out on promoting our most recent school-choice experiment here: papers.ssrn.com/sol3/papers....

I am happy to say that now, 3 days after the conference and 3 days before I fly back, my body has adjusted to the Korean time zone.

Economists can be a tough crowd... I won't have that problem because I am in the very last session of the conference and everyone will already be out being a tourist.

Me and my fellow 1700 were cut out because of the y axis.

We're moving up! It's the KING of wands now 💫🪄🌟💫

Peter Achim (York) was visiting our theory group in Berlin this semester. Fascinated by the sophisticated regularity of our lunch schedule, he had his wife (an illustrator) create the following flow chart of decision making.

Have a look at the first edition of the Berlin Micro Theory & Behavioral Econ PhD Conference, and recommend your students to apply next time! sites.google.com/view/berlin-...

Please also show up tomorrow! We have another session remaining!!!!

Photo from the side... should have gone to the gym before the talk! Anyway, that was great fun! Thanks for letting me talk about my first experiment!

Looking forward to seeing all of you in Mannheim! This is an excellent line-up! (And I will also present.)

"What did you do last week?" Elon Musk asked. Well, I am proud to say that I managed to do an incredible amount of work yesterday--despite it being a public holiday! I disassembled several houses, and I helped desperate passengers out of an intricate parking situation!

I bought a customized cap with the embroidering "market design" only to make the joke to literally put it on when I say "putting on my market-design hat, I would..." and now I have lost it without ever making the joke!!! If your dealer in Görlitzer park is wearing this green cap... it's mine!

The Hausdorff Center at Bonn will host the Trimester Program on “Advances in Mechanism Design” next summer. Students and postdocs are invited to apply for extended stays during the program or summer school participation. Funding for travel and accommodation is available.

Our Monday theory seminar now comes with a walk and a piano performance.

Please join us for the 4-lecture mini course I will give on minimalist market design at University of StGallen this week. The course is open to all and available both in person and via zoom. See below for the registration info and the link in the next comment for the course slides.

Y’know there’s really nothing more Econ than reproducing something that happened in polisci a decade ago and claiming it as original.

🚨 REPLICATION REPORT UPDATE: One year ago, a tweet by John Holbein alerted me, @ollefolke.bsky.social, and @jopieboy.bsky.social to a paper with a shocking result about Sweden’s law criminalizing the purchase of sex.🧵

I'm looking for recent papers applying mechanism design to AI/ML. I'm most interested in tools from mechanism design that help solve problems in designing and evaluating AI systems. If you think it fits, please share!

Looking forward to the final day of our CRC retreat in Schwanenwerder @rationalitycrc.bsky.social

The interoperability issue introduces a non-trivial trade-off here. Consider an airline with a Boeing fleet. If they now buy airbus planes, they need to train pilots and maintenance staff and rearrange schedules. This impairs competition: you might want to lock-in and not just go for the cheapest.

Economic theory to the rescue.

This statement from the NSF is insane. Science is, in essence, designed to separate the true from the false. Understanding how falsehoods spread is key to the scientific endeavor. It is not a violation of free speech to be proven wrong.

I have a postdoc position in Behavioral/Experimental Economics available for 6 years, at the oldest university in Germany in beautiful Heidelberg. Please forward to anyone who might be interested! #EconJobs #AcademicJobs #HigherEd #Economics #JobAlert

Fixed it for #academia

What's up Mannheim? If you don't have anything better to do, drop by tomorrow at MaCCI Annual! www.zew.de/en/events-an...

New submission, new draw 🔮🔮🔮 ✨️✨️The six of wands✨️✨️ I cannot tell you how ready I am to "accept the praise coming my way gracefully because I've earned it!" 😁

The mechanism is a ‘Conditional Cooperation Mechanism' www.sciencedirect.com/science/arti... All contributions are conditional on other people’s contribution so that one’s own contribution encourages other people to make higher contributions, too.

After the AfD's surge on Sunday, far right parties are the most voted-for of any grouping in Europe, for the first time in history: www.economist.com/graphic-deta...

When you consistently point out the flaws in its mathematical derivation, this LLM breaks down quicker than any grad student. This is pathetic. It's 2025 and I still have to do algebra myself?!

I don't want to study Physics in Hamburg 😭 I just wanted to study the information provision in the dynamic assignment system and screwed up cancelling my applications 😭😭😭

I'm still living in a different country.

We’re happy to host the 1st European Economic Theory Conference in Bonn next fall! Submissions in all areas of economic theory are welcome.

The Federal Reserve is not as independent from the executive branch as we’d like to think. The NY Fed just cancelled this Thursday’s @aeacswep.bsky.social reception at #EEA2025 and withdrew from our summer fellowship program. Both support women and underrepresented groups in economics. #EconSky

Come on...

💥 JOB (POSTDOC) ALERT 💥 Freshly posted: 4-year postdoc to work on applied market design at the university of Lausanne. Job add here: shorturl.at/AEV0D Spread the word!

You can make the same picture with economics eating other social sciences, while CS is also eating into economic theory.