Need help with Difference-in-Differences? Meet ChatDID: a GPT specialized in modern DiD methods and the de Chaisemartin–D'Haultfoeuille estimators and software packages.
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No, I do not want the AI overview.
I want to read a Wikipedia page that leads me to another Wikipedia page, and another, and another, and get lost for hours down a completely unrelated rabbit hole as the gods intended.
Why do richer economies have more very large firms? This paper shows that the upper tail of the firm size distribution thickens as economies grow. A model of idea search explains why, showing how growth itself can produce rising concentration.
https://t.co/ocOxbeV3Ww