Predictive AI is increasingly used to guide decisions on agents. I show that even a bias-neutral predictive AI can … potentially amplify exogenous (human) bias in settings where the predictive AI represents a cost-adjusted precision gain to … belief updating, expected victims of bias become less likely to be saved by randomness under more precise predictions. An …

, we show that regret aversion (unobservable bias) significantly reduces extremeness aversion (observable bias) and … mediates the influence of cognitive regulatory focus (unobservable bias). …