Even in an AGI world, interest rates could stay high if compute capex dominates borrowing

menhguin · x · 2026-10-06

In a debate on AGI macroeconomics, the author argues interest rates reflect the cost/opportunity cost of borrowing. If the AGI buildout is significantly debt-financed with very high expected returns—plausible when (1) algorithmic progress outpaces broad diffusion and (2) borrowing is dominated by capex—rates will stay high.

Even post-AGI, as long as the marginal borrowed dollar can fund physical compute with high expected ROI, rates should remain elevated, since compute expansion keeps absorbing capital and raising the cost of money.

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