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Jon Hartley
@Jon_Hartley_
Macroeconomist @HooverInst Policy Fellow @CapAndFreedom. Assistant Econ Prof @UTAustin SCL @UT_Civitas @Stanford Econ PhD @FREOPP @Mercatus @EconClubofMiami
SF-Austin-Miami-Toronto-DC
jonhartley.net
Joined January 2012
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    Jon Hartley
    @Jon_Hartley_
    Jun 10
    Great to see @Bloomberg cover our HJMM (Hartley-Jolevski-Melo-Moore) GenAI adoption series. We find that GenAI adoption has been slowing since late 2025 after an early 2025 jump. Of course, could be temporary. Our Data: generativeairesearch.org Our Paper: papers.ssrn.com/sol3/papers.cf…
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    Jon Hartley
    @Jon_Hartley_
    Dec 11, 2025
    Is there an AI bubble? Our latest national U.S. survey estimates find Generative AI adoption has slowed further in December 2025 to 35.9% from 45.9% as of June 2025 (still well above 30% from December 2024). Will a Gen AI slowdown persist? Does Gemini threaten ChatGPT? Thread🧵
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    Jon Hartley
    @Jon_Hartley_
    Dec 23, 2019
    "Tax Reform Has Delivered for Workers", write Gary Cohn and Kevin Hassett in the @WSJ
    Tax Reform Has Delivered for Workers
    Opinion | Tax Reform Has Delivered for Workers
    From wsj.com
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    Jon Hartley
    @Jon_Hartley_
    Sep 14, 2021
    A great example of the problems with central planning/full blown industrial policy: 15 skyscrapers in China that were part of the Liyang Star City Phase II Project were just demolished after sitting unfinished for eight years due to no market demand. x.com/evolusibina/st…
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    Jon Hartley
    @Jon_Hartley_
    Dec 2, 2024
    The Brightline, a newly *privately* constructed, owned, and operated Florida railway from Miami to Orlando, is the most successful infrastructure story today in America. A thread on how it got done, how nice it is, and how it plans to replicate its success across America 🇺🇸 🧵
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    Jon Hartley
    @Jon_Hartley_
    Mar 22, 2025
    Honored to take this photo of @DrJBhattacharya on his last day in his office as a professor at @Stanford, where he has been affiliated since 1986, before going emeritus upon Senate confirmation to become the next Director of the National Institutes of Health (@NIH)! Congrats Jay!
    216K
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    Jon Hartley
    @Jon_Hartley_
    May 29, 2024
    A short summary of today's @JMilei speech at @Stanford @HooverInst; very technical economics heavy speech covering econ history, growth, general vs. partial equilibrium; dangers of models. Overall, critical of how economics has used market failure to justify state intervention.
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    Jon Hartley
    @Jon_Hartley_
    May 29, 2024
    With Luis Caputo (@LuisCaputoAR), Argentine Minister of the Economy (“leader of the chain-saw operation” as Javier Milei (@JMilei) describes him), who also previously served as President of the Central Bank of Argentina as well as Minister of Public Finances
    117K
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    Jon Hartley
    @Jon_Hartley_
    Jul 8, 2022
    RIP Tony Sirico, one of the greatest actors of our time who I'm told passed this morning. Paulie "Walnuts" Gualtieri was arguably the most fun, memorable character from "The Sopranos". Donations are being made in his honor to Wounded Warriors, St.Jude's Hospital & @ActonInstitute
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    Jon Hartley
    @Jon_Hartley_
    Aug 30, 2025
    Not an oped I wanted to write but one I had to write. Woke progressive student unions, forcing poor grad students to pay dues/fees, are on the rise in the US, not just at Stanford, but also at MIT, Cornell, UChicago & elsewhere. Ideology, not wage bargaining is central. Thread🧵
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    Jon Hartley
    @Jon_Hartley_
    Aug 29, 2025
    My latest op-ed in the Wall Street Journal (@WSJ): "Stanford’s Graduate Student Union Tries to Stifle Dissent" wsj.com/opinion/stanfo…
    316K
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    Jon Hartley
    @Jon_Hartley_
    Feb 21, 2025
    Pray for #PopeFrancis. Photos from his unforgettable “Urbi et Orbi” during the pandemic March 27, 2020, then offered for a world suffering from the coronavirus pandemic.
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    Pope Francis – ARCHIVE
    @Pontifex266Arch
    Feb 16, 2025
    Thank you for the affection, prayer and closeness with which you are accompanying me in these days.
    100K
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    Jon Hartley
    @Jon_Hartley_
    Mar 16, 2024
    Yesterday marked 10 years since the release of Piketty's "Capital In The 21st Century". Hard to think of an economics book in the past 10 years which, for better or worse, has had as much influence on discussion about economics, policy and politics. A Thread🧵
    312K
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    Jon Hartley
    @Jon_Hartley_
    Apr 12, 2020
    One of the most powerful moments I’ve ever witnessed in my life: Andrea Bocelli singing Amazing Grace to an empty Duomo Cathedral plaza in Milan with a message of hope on Easter Sunday for all those affected globally by the 2020 Coronavirus outbreak #MusicForHope
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    Jon Hartley
    @Jon_Hartley_
    Nov 22, 2024
    An excellent Milei (@JMilei) Argentina 🇦🇷 Macroeconomic Activity Monitor from the Universidad Francisco Marroquín. A thread on the macro indicators being tracked for the pre-Milei and post-Milei periods forming an event study lens for market reforms🧵(1/12)
    Macroeconomic Monitor | UFM Reform Watch
    From milei.ufm.edu
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    Jon Hartley
    @Jon_Hartley_
    May 29, 2024
    Packed crowd for Javier Milei (@JMilei) at @HooverInst
    00:00
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