Predictions That Change Reality: Manheim Cites Popper's "Oedipus Effect" on Self-Fulfilling Forecasts
davidmanheim · x · 2026-08-24
In a thread about system stability under prediction, researcher David Manheim noted this is an old problem: Popper called it the Oedipus effect — the phenomenon where a prediction itself alters the system being predicted. Recommended readings he offered:
- Merton's Social Theory and Social Structure on self-fulfilling and self-defeating beliefs;
- Popper's The Poverty of Historicism;
- Grofman's paper Rational Choice Models and Self-Fulfilling and Self-Defeating Prophecies, which addresses the issue explicitly.
In the surrounding discussion, Zvi and others were still searching for a proper name for such "prediction-destroying" goods (candidates like Grace, Fugitive Goods, Anti-Basilisk), suggesting the concept still lacks an accepted term in AI forecasting and alignment circles.
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