Currently reading Thinking , Fast and Slow which is shaping up to be one of the best non-fictional books I have read in a long time. The chapter relating to intuition vs. formula was particularly interesting, here are some exerts
"Several studies have shown that human decision makers are inferior to a predictive formula even when they are given the score suggested by the formula!.."
"to maximize predictive accuracy, final decisions should be left to formulas, especially in low-validity environments.."