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A principled framework for removing finiteness assumptions from theoretical models. Applicability depends on the theorem statement only, not on its proof ⟹ Proofs are short+reusable. Demonstrated by array of examples from revealed-preference theory econtheory.org/ojs/index.php/…

Happy to see this paper w/Scott Kominers & Ran Shorrer in print. Logic is useful! We use the compactness theorem from mathematical logic to prove a "scaling lemma" that can remove finiteness assumptions from many economic models w/o having to dive into details of existing proofs. 1/4

This is a wonderful job. Make sure you apply (beware of the early deadline) if you're on the JM! I had the best time at Nuffield College and Department of Economics, Oxford, happy to answer any question about it.

A good summary of a great paper

Exciting news for PhD students: Visit Berlin for our 1st Berlin Micro Theory and Behavioral Economics PhD Conference, July 7-9, 2025! Apply before January 20. More details here: wzb.eu/en/events/1st-…

ACM EC'25 will be at Stanford, CA, from July 7-11 2025 ec25.sigecom.org

Excited to share that I'm on the 2024-2025 job market! My job market paper is about failures of contingent thinking -- the act of reasoning about hypothetical events. 1/

🚨Major new version🚨 Algorithmic Collusion by Large Language Models Joint w/Sara Fish & Ran Shorrer LLMs are automating many business decisions. Pricing might be next (or is already). What if multiple firms, in good faith, use off-the-shelf-LLMs for pricing? 1/3 #EconTwitter

Very excited to release a major revision to our paper on algorithmic collusion by large language models. #EconTwitter

It’s important for economists to read Marx (and Marshall)

Looking forward to this!

What do a computer scientist, an economist & two legal scholars have in common? They all worry about algorithmic collusion. Join us for an interdisciplinary online event on March 21 at 1PM Central. Details: cslawworkshop.org/home Looking forward to hearing from Ran Shorrer,

New paper: “EconEvals: Benchmarks and Litmus Tests for LLM Agents in Unknown Environments” We construct economic environments to measure the capabilities and tendencies of LLMs and LLM agents in pricing, procurement, task allocation and more.

Last week, we had the great pleasure of hosting the Workshop on Recent Advances in School Choice. Many great presentations! Special congrats to Ignacio Cabrera, who presented his thesis, and was just admitted to Stanford Graduate School of Business ! Ignacio works as a RA at Universidad de Montevideo Empresas y Economia

Amazing workshop at UCL Faculty of Laws yesterday. I presented my joint work w/ Sara Fish Yannai A. Gonczarowski in panel w/speakers from European Commission Competition & Markets Authority Autorité de la Concurrence HELLENIC COMPETITION COMMISSION. So gratifying to see our research makes positive impact in the world. Thanks much Ioannis Lianos for inviting us!

Thrilled to share that this September I’ll be joining UoS_Economics at University of Southampton as a Lecturer 🎉 I look forward to continuing my research in industrial organization, experimental economics, and human-AI interactions, and to engaging more with the UK econ community.