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Coyne’s observation that we are mostly rational, with a “dollop of irrationality,” is an advance on Freud’s un-falsifiable fictions. But Kahneman’s cognitive-bias patterns beat that dollop and should finally rid us of Freud’s demons. However Kahnemen’s work also has demons. Cognitive biases have two sources of error, the observed behavior and the “rational” goal, but economists use “rational” differently. Their methods, and inputs, and goals can sometimes be mad. - bigthink.com