Congratulations to Cuimin Ba! We are very excited to host her seminar at the VSET in a couple of weeks. Don't miss it! Read more here: sites.google.com/view/wiet2022/…

Persistence of past choices provides a channel for effective intertemporal incentives to overcome moral hazard in a setting where traditional channels fail. Applications include persistent product quality, policy targeting, and consumer ratings. econtheory.org/?f=2680

Super proud of my student Cuimin Ba Penn for her invitation to join the ReStud tour! Her phenomenal JMP provides a foundation for how individuals can continue to use wrong models. This framework provides key insights into which biases are robust versus likely to self-correct.

Congrats to Nicole Immorlica, Mohammad Mahdian, Itai Ashlagi, Yash Kanoria & Jacob Leshno for being awarded the ACM SIGecom #TestofTime Award for 2023 for two beautiful papers explaining an apparent gap between the theory and practice of matching market. Details: sigecom.org/award-tot.html

Penn Economics Department has a fantastic group of candidates on the 2023-24 economics job market. See thread 👇 for highlights of their job market papers and our department website for the full list: economics.sas.upenn.edu/graduate/job-m…

Something doesn't seem right🤔

new paper draft: 𝗰𝗼𝗻𝘁𝗲𝘅𝘁𝘂𝗮𝗹𝗹𝘆 𝗽𝗿𝗶𝘃𝗮𝘁𝗲 𝗺𝗲𝗰𝗵𝗮𝗻𝗶𝘀𝗺𝘀! in this paper, andy haupt (Andreas Haupt) and I offer a framework for comparing the privacy of different mechanisms. arxiv.org/abs/2112.10812

💥Mallesh Pai💥 (Rice) is our next guest. He will present the paper "Taxing Externalities Without Hurting the Poor, " a joint work with Philipp Strack. Our guest panelists are Scott Kominers and Zi Yang Kang. Join us on Thursday, 9/May/2024. Mallesh Pai Scott Kominers Zi Yang Kang

Forthcoming in the AER: "Buying from a Group" by Nima Haghpanah, Aditya Kuvalekar, and Elliot Lipnowski. aeaweb.org/articles?id=10…

🚨🚨🚨Coming tomorrow: ACM SIGecom #EC24 tutorials 🚨🚨🚨 We have an amazing lineup of speakers and topics. Don't forget to register!

Angel Alvarado Penn Economics Department and Jesús Fernández-Villaverde Penn Economics Department featured in Penn Today discussing Venezuela's election. penntoday.upenn.edu/news/qa-venezu…

Why are fewer babies being born, and what does it mean for our future? Check out the latest article by Jesús Fernández-Villaverde in The Spectator: spectator.co.uk/article/the-gl…

Check out our fantastic group of candidates on the 2024-25 economics job market. See thread 👇 for highlights of their job market papers and our department website for the full list: economics.sas.upenn.edu/graduate/job-m…

#EconTwitter #MarketDesignJournal of Mechanism and Institution Design, new volume 9, available at mechanism-design.org Economics at York Universität Klagenfurt DOAJ RePEc Citations Economics Alex Teytelboym Scott Kominers

(2/2) From Feb 3–5, David Rahman will run a mini-course on Linear Programming, plus seminars by both David and Nageeb. Don’t miss this theory-focused week—register now at aetw2025.org.

Retweeting to signal what I don't know.

Recently accepted to #REStud, "How to sample and when to stop sampling: The generalized Wald problem and minimax policies," from Karun Adusumilli: restud.com/how-to-sample-…

Rationalizing dynamic choices. arxiv.org/abs/2504.05251

daniel (michelle steel hate account) Jeffrey Ely Elliot Lipnowski

What are the welfare effects of surge pricing? Using Uber data, I develop an empirical model of spatial equilibrium composed of demand, supply, and matching. I find that surge pricing raises total welfare, benefitting riders but hurting drivers. econometricsociety.org/publications/e…