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People are paying a lot more attention to US government procurement data. The raw entries you get from USASpending.gov [or "FPDS"] are not very accurate. They are often off by an order of magnitude. Here's a procedure to get a better measure. alexandermackay.org/files/Appendix…

I wonder how many GPUs it took for AI search to hallucinate IO economists/marketers. Or maybe Brad Shapiro is buying keyword ads on rival economists Alex MacKay ? Or has anyone ever seen Brad Shapiro and Alex MacKay in the same place? (asking Jean-Pierre Dube)

So excited to have Jeff Gortmaker joining us at NYU Stern Economics!

Registration for #IIOC2025 is now open. Hotel information posted here too: indorgsociety.org/news/registrat…

This is less taught in econometrics classes but I still think this is the wildest result in 20th century statistics. I remember Carl Morris showing our class this and almost nobody believing him.

Thread on my forthcoming JPE paper with Ashley Langer and Wendan Zhang. Looking forward to seeing this in print!”

CAPEX. Huh, yeah? Where does it come from? Absolutely nowhere

I hope everyone is excited for #IIOC2025 Drexel LeBow in Philadelphia starting Friday May 2! On Friday, we have the Rising Star Sessions at 5, followed by the Cocktail Party sponsored by Analysis Group. A whole lot of great sessions on Saturday and Sunday. See you there IOs!

Congratulations to our colleague Giulia Brancaccio, who has been awarded the prestigious Carlo Aberto Medal! Giulia Brancaccio

Today in "equilibrium how does it work?" news... This is why you need to teach strategic complements/substitutes in intermediate micro folks.

Today in Robinson-Patman Act enforcement news: law360.com/competition/ar…

This was a fantastic conference put on by UChicago Economics. A walk through the past by legends in the field, followed by some really cool new papers.

The 2025 Models and Measurement Conference begins today! It is the fourth in our series of Cowles Summer Conferences at Yale SOM.