Wrote another post based on a video with Markus Brunnermeier Use LLMs to lessen the large fixed costs of managing and organizing large databases. I use the setting of HMDA mortgage data to show how a massive 250m row db can turn into a trivial data exercise thanks to DuckDB + Claude Code.

Did a series of videos with Markus Brunnermeier on Claude Code (more to come) Video 1: Getting Started with CC open.substack.com/pub/paulgp/p...

Mortgage-holders’ actions substantially reduce the impact of higher interest rates on monthly payments when their fixed rate ends. Financial strains on mortgagors appear limited despite much higher rates. @fuster.bsky.social @gianiv.bsky.social et al. cepr.org/voxeu/column... #EconSky

📣Out today📣: Report on #wealth and #inheritance in #Switzerland, based on close to 17 million tax records 190 pages of facts & figures, put together with @fuster.bsky.social, @izmartinez86.bsky.social & Falone Moseka, and supported by E4S (@heclausanne.bsky.social, EPFL, IMD) 👉 lnkd.in/dPuCknGm

Dies ist nur ein kleiner Vorgeschmack auf eine deskriptive Studie zu Vermögen und Erbschaften in der Schweiz, gemeinsam mit Kolleg.innen von der EPFL und ETHZ. Veröffentlichung anfangs 2026. Stay tuned. 4/4 @fuster.bsky.social @izmartinez86.bsky.social

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Als Teil seines "Entlastungspakets 27" will der Bund das Budget des SNF @snf-fns-ch.bsky.social um 10% kürzen. Wäre das wirklich klug, ausgerchnet in dem Moment, wo uns die US-Regierung das Feld freimacht im internationalen Wettbewerb um Top-Talente (👇)? 1/2 www.nature.com/articles/d41...

An excellent initiative!

Call for papers, submission deadline February 21 (i.e., soon!): Sixth annual SNB-CIF Conference on Cryptoassets and Financial Innovation, to be held in Zurich on June 20, with keynote speaker Urban Jermann (Wharton). www.snb.ch/en/services-... #econsky

Highly policy-relevant! "Pricing Liquidity Support: A PLB for Switzerland" by Monnet, Niepelt, and Taudien For instance, they estimate that the too-big-to-fail status allowed UBS Group AG alone to gain at least USD 2.9 billion in 2022. repec.vwiit.ch/dp/dp2501.pdf

Call for papers alert -- The Philly Fed and University of Delaware are hosting the second edition of the Fintech and Financial Institutions conference in April, featuring great research and a keynote by Stefan Nagel -- submit by Jan 14, you wont regret it :) www.philadelphiafed.org/calendar-of-...

For those who didn't make it to #ASSA2025: strongly recommend @sendhil.bsky.social's AEA distinguished lecture, available at www.aeaweb.org/webcasts/202... (starting at minute 16)!

An academic paper has excellent empirical evidence & hypotheses that perfectly match the patterns in the data. One catch: AI wrote the hypotheses after seeing the results. Should this matter? New paper w/ Robert Novy-Marx on AI-Powered (Finance) Scholarship🧵 papers.ssrn.com/sol3/papers....

Attending #ASSA2025? Want to know how to navigate your options with respect to hotels, food, & sessions given SF hotel workers' strike? @shirkandsteal.bsky.social @jennifercohen.bsky.social & I have you covered. Blog w/sign up for email updates. #EconSky aaronsojourner.org/hotel-worker...

The submission deadline for the BIS-CEPR-Gerzensee-SFI conference on Financial Intermediation (formerly the "Lenzerheide conference") is October 31. Submit your papers! Call for papers here: mailchi.mp/cepr/bis-cep...

The JFE is doing a special issue on innovations in the financial system! The call for papers is here: www.sciencedirect.com/journal/jour... Andreas Fuster will be the guest editor handling the papers.