Hanson vs Yudkowsky debate: economics abstractions vs self-made frameworks, and the ems growth-mode bet
RichardMCNgo · x · 2026-09-29
Richard Ngo relays Aashish Reddy's recap of the Robin Hanson vs Eliezer Yudkowsky debate:
- Core disagreement is methodological: Hanson argued Yudkowsky over-relies on abstractions he invented himself rather than "vetted" ones from academic fields like economics, especially the endogenous growth literature.
- Yudkowsky's counter: economics treats agents as "black boxes," assuming away exactly the mechanism he cares about — agents making themselves smarter by fiddling with their cognitive algorithms.
- Hanson's growth-mode prediction: brain emulations (ems) would arrive before "hand-coded" AIs, shifting the economy from doubling roughly every 15 years to about once a month. But he frames this as "just" another big change like farming or industry — the economy would settle into a new, faster growth rate rather than diverge.
The exchange crystallizes two camps on AI's macroeconomic impact: a new faster-growth normal versus a qualitative intelligence explosion.
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