Notes on tech and financial markets, machine learning, and the software, and journal articles I use to study them. Some research ideas I’m still thinking through, some grew out of teaching.
Notes
Sep 10
2026
Cognitive Debt
Writing script and understanding it used to be a joint product. AI unbundled them, and the liability that is left is the cognitive debt.
Aug 13
2026
Can't exit Vim
The tools I've written research code in since 2017 — Python, R, RStudio, VS Code, Positron — and how an outdated cluster finally landed me in Neovim.