Why is it customary in some fields to report what statistical software package you used? Math is the same regardless of what software executes it, no?

🚀 **Exploring the Hidden $9 Trillion Resource in Open Source Software** A great new piece (hbswk.hbs.edu/item/open-sour…) from Working Knowledge by Rachel Layne: http://layniac.bsky.social details our research (w/ Manuel Hoffmann & Yanuo Zhou) delving into the often underappreciated realm of open source software (OSS),

🚨New paper🚨 Algorithmic Collusion by Large Language Models Joint w/Sara Fish& Ran Shorrer LLM use is automating many business decisions. Pricing might be next (or is already). What if multiple firms decide in good faith to use off-the-shelf-LLMs for pricing? 1/3 #EconTwitter

The modal question I have been asked over the past 30 years when I give field experiment lectures is: how can I get involved in field experiments? The barriers to entry are sometimes quite high. We need to work to overcome those as a community. I am proud to announce the

Happy birthday to Albert Hirschman, who would be 109 today. Hirschman—anti-fascist, resistance hero, later a development economist—may be the most interesting person to ever take up the profession. 🧵 and blog post on his remarkable life and work.

In case it’s helpful to folks, I have a set of lecture notes available for a grad-level causal inference course here: mattblackwell.github.io/gov2003-f21-si… (with great section notes from the great Sooahn Shin) Feel free to use any of the material in your courses. Happy to share sources!

Michal Kolesar's Advanced Applied Econometrics lecture notes are a delight github.com/kolesarm/539b/

It was a pleasure presenting Generative AI and Distributed Work: Evidence from Open Source Software Microsoft Research today. Thank you for the great discussion and feedback! It was a pleasure meeting people working in this space!

A great service by the German Economic Association! I highly recommend advanced grad students who think about going on the market to go either there (or join us in Rotterdam for the EEA counterpart, or ideally do both).

This was a fantastic day with lot's of comments for our new paper "Generative AI and Distributed Work: Evidence from Open Source Software". Thank you everyone at the NBER SI Digitization and AI and beyond! A video is here: youtube.com/watch?v=5ibIK1….

Conjecture: one reason why PhD level econ is difficult to learn is that the textbooks are often 10+ years out of date. Here are a few things around 10+ years old that don't have good textbooks: - Mechanism design - Structural IO - Structural trade - Heterogeneous-agents macro

What kind of childhood makes a top scientist? Is it enough to have all the right traits (brilliance, grit, etc) or do you need the right family too? And why should we care? A 🧵 on our paper on the Nobel Laureates. A teaser: the income distribution of the laureates' fathers.1/N

New paper alert: We (w/ Manuel Hoffmann, Sam Boysel, Sida Peng, Kevin Xu) just released the working paper version of our study “Generative AI and the Nature of Work” - papers.ssrn.com/sol3/papers.cf…. We seek to build upon research on #AI and productivity to better understand how #GenAI

Big study of 187k developers using GitHub Copilot: AI transforms HOW we work Coders can focus. They do more coding and less management. They need to coordinate less, working with fewer people And they experiment more with new languages, which would increase earnings $1,683/year

Hey #EconTwitter, I'm on the job market with a paper about open source software. OSS is a global public good, widely used and provided by the private sector, but the target of recent industrial policy. Paper: jeffgortmaker.com/files/Open_Sou… 1/

Just wrapped up my Computational Social Science course - Aimed at Masters students with little-to-no background in computing or social science - I tried to take the social science part seriously, requiring its own intro - Will definitely be changing it up in future, but first

You can find an interview about our working paper "Generative AI and the Nature of Work" on the GitHub blog. Thanks, Kevin for the great interview! Working paper: t.ly/rWKlX GitHub blog post: t.ly/cFb7P

IZA in Bonn is closing down by December 31, 2025! klausfzimmermann.de/iza-in-bonn-is… Global Labor Organization (GLO) #EconTwitter United Nations University - MERIT Oded Galor @milenkanik

Interesting to see some basic demand theory applied to tariff choices. So… What’s wrong with it? Used in isolation on a single small trading partner the formula makes some sense. But if applied widely to many non trivial ones it does not. 1/2

I am working on a guide to all possible scenarios that someone who wants to implement DiD might face, like "what estimator should I use?". Questions to ask include: timing of treatment, nature of a) treatment effect & b) treatment variable, data structure, assumptions/violations