Peter Hull
Economics Professor at Brown, studying discrimination, education, healthcare, and applied econometrics. I like IV
sites.google.com/site/aboutpeterhull…
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- Tariffs so good we're exporting Popes now
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- Reposted by Peter HullRecently accepted by #QJE, “Systemic Discrimination: Theory and Measurement,” by Bohren, Hull, and Imas: doi.org/10.1093/qje/...
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- Exciting!
- Election on observables
- Reposted by Peter Hullhaha this country. haha
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- Reposted by Peter HullINCREDIBLE opinion by Wilkinson refusing to stay Judge Xinis's orders in the Abrego Garcia case, condemning DOJ's arguments as "shocking not only to judges, but to the intuitive sense of liberty that Americans far removed from courthouses still hold dear." storage.courtlistener.com/recap/gov.us...
- Reposted by Peter Hull#QJE May 2025, #10, “’Something Works’ in U.S. Jails: Misconduct and Recidivism Effects of the IGNITE Program,” by Alsan, Barnett, Hull, and Yang: doi.org/10.1093/qje/...
- Reposted by Peter HullFarewell Pat Bajari. What an amazing legacy he has left opening up the PhD economics path way like no one else has.
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- Reposted by Peter Hulltotal clarity here from @edwardluce.bsky.social www.ft.com/content/4c4b...
- cool to see our IGNITE work highlighted in this. Go @marcellaalsan.bsky.social !
- Harvard redid its whole homepage to push back against the administration’s demands. I mean, this is just a website but I think it’s kind of a great PR move: www.harvard.edu
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- 👀
- lmao what
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- Not too much goin' on today, so thought I'd tell you about a new paper out in @nejm.org w/Angrist, Gao, and Yeh We explain & demonstrate why instrumental variable methods are essential for trials of medical interventions that fail to play out as intended Check it: www.dropbox.com/scl/fi/lsnmm...
- Fire up your shift-share IVs
- Reposted by Peter HullWe have a new post! open.substack.com/pub/diddiges...
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- I made @andrewbaker.bsky.social's new PFP and got no credit Makes you think
- 📢New WP w/ @borusyak.bsky.social We derive the most powerful recentered IVs for formula treatments & propose an algorithm for approximating them This approach yields *huge* power gains, relative to conventional simulated IV, when estimating Medicaid crowdout effects Check it out! t.co/UPg2XQBefN
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- Happy five year anniversary of Tom Hanks getting COVID
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- I had a lot of fun talking to @jenniferdoleac.bsky.social on her Probable Causation podcast about the IGNITE program: an innovative jail-based rehabilitative program in Flint, Michigan www.probablecausation.com/podcasts/epi...
- The eternal search
- Coming soon to Zoom rooms near you! We're excited to announce a reboot of the Chamberlain Seminar, five years after its 2020 debut We'll kick things off on 3/21 with a tribute to Gary. More info and future seminars here: chamberlainseminar.org Register here: stanford.zoom.us/meeting/regi...
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- I'd agree with this @caprosser.com! Your distance treatment combines (potentially) exogenous shocks and non-random geographic exposure We have an example like this in the longer working paper version (it got cut in resubmission) www.dropbox.com/s/a40ksnsi0g...
- Rest in peace, Ed Leamer
- Congratulations to my colleague and friend @jondr44.bsky.social for being one of nine 2025 Sloan Research Fellows in Economics! sloan.org/fellowships/...
- Excuse me
- Roses are red Parallel trends is just fine But no sweat if that fails So long as you have design academic.oup.com/ectj/advance...
- Roses are red Violets are blue Your IV may be biased Unless it's recentered by mu onlinelibrary.wiley.com/doi/abs/10.3...
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- Our practical guide to shift-share IV is now out in the JEP! www.aeaweb.org/issues/793 (Ungated version: www.dropbox.com/scl/fi/el9yn...)
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- Empirical research had a good run
- I recognize that this is nowhere near the biggest news of today but I just learned after nearly 37 years of life that the proper way to play a kazoo is with the fat end in your mouth, not the skinny end
- The supply of and demand for cruelty are both much higher than I'd once thought
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- Well at least there's new gaga
- This'll be a fun week!
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- Reposted by Peter HullRecently accepted by #QJE, “’Something Works’ in U.S. Jails: Misconduct and Recidivism Effects of the IGNITE Program,” by Alsan, Barnett, Hull, and Yang: doi.org/10.1093/qje/...
- I'm leading a mixtape session on IV in two weeks. Scott was nice enough to write about it here causalinf.substack.com/p/peter-hull... Sign up here! www.mixtapesessions.io/session/iv_f...
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[Not loaded yet] - TIL Abraham Wald, who famously worked on selection bias in assessing aircraft damage, died in a plane crash :(
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- Reposted by Peter Hulleverything happens so much
- Having trouble coming up with a good jokey tweet re: the richest guy in the world w/the ear of the president doing a very plausible Nazi salute at that president's inauguration do y'all have any ideas
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- Can't believe they banned Tik Tok. I love that song
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- conditionally accepted!
- We've significantly updated our paper on modeling + measuring systemic discrimination! Check it out: www.dropbox.com/scl/fi/ab5yx... (cc @aleximas.bsky.social + @aislinnbohren.bsky.social!) A short 🧵 on what's new...
- Very important work. Also TIL people in jail are the only Americans with a constitutional right to healthcare
- Excited to share results from a 4-year first-ever RCT across US jails. We (Crystal Yang & I) find that death rates are much higher in jails than officially reported & health care accreditation improves staff coordination, quality & save lives. www.nber.org/papers/w33357
- Reposted by Peter HullThis paper is a great example of solid evidence of systemic discrimination: "Black taxpayers are audited at 2.9 to 4.7 times the rate of non-Black taxpayers." This reflects a series of choices built into the IRS audit algorithm: focus on the EITC, and overclaiming of credits.
- #QJE Feb 2025, #3, “Measuring and Mitigating Racial Disparities in Tax Audits,” by Elzayn, Smith, Hertz, Guage, Ramesh, Fisher, Ho, and Goldin (@jacobsgoldin.bsky.social): doi.org/10.1093/qje/...
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- Reposted by Peter HullI've gotten a flurry of requests to access my slides on "Models, Measurement, and Language in Economics" (presumably thanks to the great new year's reading list from @rohitlamba.bsky.social). The file is publicly available via my web page, but here is the link: www.dropbox.com/scl/fi/ntgkb...
