Yǔ-Chí Hsièh 謝羽騏

A Proud Taiwanese, 💪🇺🇦
Micro Theory, Networks, and Political Economy
Now: Econ PhD student at NW Kellogg
Past: NW Econ, UChi Econ, NTU Math

[Yǔ-Chí Hsièh 謝羽騏 @YuChixchaos]

@RyanReedHill Agreed! Otherwise how do we produce next generation of economists???

[Yǔ-Chí Hsièh 謝羽騏 @YuChixchaos]

Haven't tried these out but I'm glad I have real human being advisors...

[Jonathan Roth @jondr44]

My mentors Isaiah Andrews and Jesse Shapiro have created LLM-advisor versions of themselves (link below)

What's scary is that if the LLMs are half as good as the human versions, they're still probably better advisors than me.

Check them out!

[Refine @RefineDotInk]

We’re proud to announce that Refine has signed partnerships with two leading publishers in economics.

Both the American Economic Association and the Econometric Society now use Refine’s AI-assisted technical verification as part of their publication processes.

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[Ben Golub @ben_golub]

Today Refine is releasing a benchmark for AI paper reviews and some statistics about our performance.

Punchline: Refine won 90.4% of about 1,300 head-to-head matches against AI reviewers on 150 preprints in economics and related areas.

1/8

[Matthew Jackson @JacksonmMatt]

The next Network Science and Economics Conference NSE-12 will be held at the University of Luxembourg Oct 23-25, 2026! Here is a call for papers (due July 31):
https://t.co/2YhcpNHo6M
and the conference series webpage: https://t.co/Xj3rKMTBQn

[Yǔ-Chí Hsièh 謝羽騏 @YuChixchaos]

Today's Taiwan's Peace Memorial Day. 79 years ago, tens of thousands of innocent civilians were killed in a nationwide tragedy, the February 28 incident.

We should never tolerate and continue to fight against the violence of authoritarian regimes.

https://t.co/U2fgc7KlIy

[Ben Golub @ben_golub]

I am super excited to share a new AI tool, Refine.

Refine thoroughly studies research papers like a referee and finds issues with correctness, clarity, and consistency.

In my own papers, it regularly catches problems that my coauthors and I missed.

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[Ben Moll @ben_moll]

Sorry to shatter your dreams David, but @RefineInk begs to differ and took the scalpel to your slop in less than 30 mins 😃

https://t.co/Gn6uhLa3n0

Put differently: not quite there yet (as others have already said)

[Yǔ-Chí Hsièh 謝羽騏 @YuChixchaos]

👀

[Ben Golub @ben_golub]

Super excited to talk about how everyone can have an awesome free RA with today's tools at Markus Academy this Thursday.

A public talk with demos on integrating AI into workflows, from ideation to final editing.

[Yǔ-Chí Hsièh 謝羽騏 @YuChixchaos]

I’m shocked. RIP 😢

[Florian Ederer @florianederer]

The brilliant Kate Ho has passed away.

She was an amazing economist and a genuinely kind human being. Her work shaped how we think about healthcare markets and her generosity touched everyone lucky enough to know her.

The profession and the world are poorer without her.

[Yves Zenou @yveszenou1]

Here is a new paper that reviews the theoretical and empirical foundations of peer and network effects, aiming to bridge insights from both literatures. https://t.co/71RptDvl9G

[Yǔ-Chí Hsièh 謝羽騏 @YuChixchaos]

@MathpixApp

[Yǔ-Chí Hsièh 謝羽騏 @YuChixchaos]

Mathpix is extremely slow these days. Does this occur to you as well?

[Yǔ-Chí Hsièh 謝羽騏 @YuChixchaos]

@danielluo_pi Villani’s book is amazing!

[Xavier Gabaix @xgabaix]

Job offer!
We (@gchodorowreich, @ludwigstraub, @xgabaix) are hiring a #predoc to join us at Harvard, starting summer 2025. You'll work on a range of macro and/or finance projects with us. Apply here: https://t.co/48ldw8khmW @econ_ra @predoc_org

[Yǔ-Chí Hsièh 謝羽騏 @YuChixchaos]

@danielluo_pi Uninstalled Fidelity app 2 months ago alr 🫠

[Ben Golub @ben_golub]

The main effect of tariff insanity:

Uncertainty poisoning supply networks, degrading a lot of relationships at once.

That scar tissue will linger for a long time.

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[Yǔ-Chí Hsièh 謝羽騏 @YuChixchaos]

Wow!

[Ananyo Bhattacharya @Ananyo]

33-year old mathematician Wang Hong of @NYU_Courant has proved the century-old Kakeya conjecture in in three dimensions, with collaborator Joshua Zahl!
The problem is rooted in the question: what's the smallest area that an infinitely thin needle can sweep out if it has to be turned to point in every possible direction?

[Yǔ-Chí Hsièh 謝羽騏 @YuChixchaos]

@taz_chu Congrats!

[Yǔ-Chí Hsièh 謝羽騏 @YuChixchaos]

@okuchap @UWBusiness @UWMadison So happy for you!!!