As most of #EconTwitter has now left this platform, this page is no longer actively administered. Mentions and tags will continue to be retweeted.

Joined May 2020
Market Design Community retweeted
The SIGecom Job Market Candidates initiative is back for 2026-27! A great resource both for junior researchers looking for academic positions and for those looking to hire from the EconCS community. Candidates: submit this form by Oct 7; LaTeX due Oct 12. forms.gle/c5qqSd9w8RA2xA6x7
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Market Design Community retweeted
A need for market design in the age of AI @econD47
AI answers can divert web publisher revenue and quality signals. The market design takeaway: without compensation and audits, costly open-web information may fall below replacement, from @alex8chan nber.org/papers/w35344
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Market Design Community retweeted
Decentralization, increased entrepreneurship, individual control, decreased transaction costs between a multitude of new firms interacting programmatically ... ... if you're interested in massive-scale mechanism design (looking at you, @econD47 & @AcmSIGecom), now's your time!
We've been thinking a lot at Stripe about the Coasean lens on AI: - The obvious near-term effect is reduced transaction costs within companies: shared context, systems of record, aligned incentives etc. - But inter-company transaction costs also reduce sharply: agents are great at discovery, make it trivially easy to integrate; make contracting much more straightforward; agent-to-agent commerce. - On net, we think second effect bigger in medium term: fewer people per firm, more output per firm, just more firms, and more coordination happening through market-like mechanisms
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Market Design Community retweeted
Best abstract (economic theory) for @ashecon 2026 awarded to the immensely brilliant @KurtSweat1 @UTSWMedCenter @utswosph - might the first time a market design paper got honored this way @econD47 Way to go Kurt! ashecon.org/2026-ashecon-awa…
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Market Design Community retweeted
📣Come work with me @Harvard! @Harvard @HarvardHBS -based doctoral student RA, **market design, micro theory** (experimental a plus but not necessary), start date: the sooner the better👀 (at least now through summer) - G2+, remote option AI and market design, etc. alexchan.net @econD47 @VMDSeminar #Econtwitter #econra
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Market Design Community retweeted
Excited to share our new paper: "Reconciling Affirmative Action and Merit: Evidence and Design from India," joint work with @orhanaygun_boun . India operates one of the world's largest affirmative action systems, directly shaping the life outcomes of tens of millions of people each year. Our paper analyzes this system through the lens of market design — and uncovers a fundamental legal tension at its core. Two landmark Supreme Court rulings are at the heart of the story: 📌 Indra Sawhney (1992) established three foundational principles — the over-and-above principle, within-category fairness, and quota-filling subject to eligibility — which together uniquely characterize the assignment rule India has used for decades. 📌 Ashoka Kumar Thakur (2008) introduced an OBC eligibility cutoff tied to the open-category score and recommended converting unfilled OBC seats into open-category positions. We show that these two judgments are mathematically incompatible: no assignment rule can simultaneously satisfy all the resulting axioms. To resolve this, we: ✔ Characterize the unique rule implementing the Ashoka Kumar Thakur cutoff mandate (AKT rule) — and show it can be severely wasteful. ✔ Propose a family of soft-reserve rules satisfying the Indra Sawhney principles with OBC de-reservation, and prove that the Forward Transfer (FT) rule merit-dominates all others in this family. ✔ Introduce η*, a reinterpretation of the cutoff policy that eliminates the endogenous feedback loop, resolves the impossibility, and strictly improves upon FT in meritocratic terms. The result is a clear merit ranking: η* ≻ FT ≻ other soft-reserve rules ≻ Indra Sawhney ≻ AKT. All proposed rules are practically implementable within India's existing centralized admission platforms — no new data or infrastructure required. Happy to share the paper with anyone interested! @econD47 #india @January #economics #publicpolicy
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Market Design Community retweeted
📜We propose a smart lottery mechanism for school choice that ex-ante Pareto improves the probabilistic assignment while preserving ex-post stability. Using IP with column generation, we obtain Pareto gains over DA with lottery. arxiv.org/abs/2602.10679 @econD47 @econ_cs
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Market Design Community retweeted
🧩Our new survey is out! Combinatorial Contracts: Recent Progress & Emerging Frontiers 🧩 Mapping the landscape of combinatorial contracts, highlighting structural insights, algorithmic tools, and complexity barriers. [to appear in SIAM ICM 2026] arxiv.org/abs/2510.15065
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Market Design Community retweeted
📢 The EC'26 website is live! ec26.sigecom.org/ 📝Abstract deadline: Feb 2, 2026 📝Paper deadline: Feb 9, 2026 A home for your strongest work in EconCS 💫 @AcmSIGecom @econD47
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Market Design Community retweeted
Incredibly honored to receive the inaugural @INFORMS AMD Market Design Impact Award and especially delighted to share it with my best friends and coauthors @AssafRomm and Avinatan Hassidim. 1/2
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Market Design Community retweeted
Deeply grateful to the selection committee, and to all our wonderful colleagues and collaborators over the years @econD47 @AcmSIGecom @PSUEcon @PSULiberalArts @penn_state. Stay tuned for new and exciting work! 2/2
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Market Design Community retweeted
📢Excited to announce: EC'26 📅 When: July 6–10, 2026 🍝 Where: Rome, Italy General Chair: Stefano Leonardi PC Chairs: Alex Teytelboym & Matt Weinberg Hope to see as many of you there! @AcmSIGecom @econD47 #ACMEC26
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Market Design Community retweeted
Market design community @econD47! Interested in school choice and looking for a 4-year tenure track position? Join me at @lunduniversity Requirements: max 5 years since completion of PhD, no employment in Sweden since 2021. More info? Contact me or see 👇 lu.varbi.com/en/what:job/job…
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Market Design Community retweeted
New paper out on #PBMs , arguing they needlessly over-exclude drugs from their formulary. "A Combinatorial Auction Design for Formulary Position" c1c0481a-8d34-49dc-ad66-d6c4… … @econD47 #econtwitter @FTC @JusticeATR
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Market Design Community retweeted
New paper out on #PBMs "A Combinatorial Auction Design for Formulary Position" available on SSRN papers.ssrn.com/sol3/papers.… @econD47 #econtwitter @FTC @JusticeATR
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Market Design Community retweeted
📣 T H R E E D A Y S ! This Thursday! Make sure you're registered--it's required (but free)! Further deets: sigecom.org/meetings/winter2…
Trying to imagine life post-EC-deadline? Mark your calendar for the fifth annual SIGecom Winter Meeting! March 6, 11am-5pm ET, focused on the interplay of Market Design and Generative AI! Registration is free but required, sign-up below! docs.google.com/forms/d/e/1F…
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Market Design Community retweeted
Please submit a paper to the 14th Conference on Economic Design. The conference is organized by Albin Erlanson at the University of Essex, June 23-25, 2025. Submission deadline is 1 February, 2025. Hope to see many of you there 🙂 #econtwitter @econD47 sites.google.com/view/coed20…
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Market Design Community retweeted
Hi. I am now on @bluesky. Please follow me there if you are interested 🙏 My handle is proftommyandersson.bsky.soci… #econtwitter @econD47
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Market Design Community retweeted
Don't miss tomorrow talk by Takuro Yamashita from @osaka_univ_e. The paper looks fantastic! Join us at 7am LA | 10am NY | 4pm Paris | 5pm Tel Aviv | 11pm Beijing | Midnight Tokyo. #EconTwitter @WiSoUniCologne @ZEW @CEPSnews
Next Monday we are excited to host Takuro Yamashita from @osaka_univ_e, who will talk about 'Optimal Feedback Dynamics Against Free-Riding in Collective Experimentation'. ➡️Paper: iser.osaka-u.ac.jp/library/d… Looking forward! #EconTwitter @WiSoUniCologne @ZEW @CEPSnews
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