Journal
REVIEW OF BEHAVIORAL ECONOMICS
Volume 5, Issue 3-4, Pages 303-336Publisher
NOW PUBLISHERS INC
DOI: 10.1561/105.00000092
Keywords
Behavioral economics; Biases; Bounded Rationality; Imperfect information
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Behavioral economics began with the intention of eliminating the psychological blind spot in rational choice theory and ended up portraying psychology as the study of irrationality. In its portrayal, people have systematic cognitive biases that are not only as persistent as visual illusions but also costly in real life-meaning that governmental paternalism is called upon to steer people with the help of nudges. These biases have since attained the status of truisms. In contrast, I show that such a view of human nature is tainted by a bias bias, the tendency to spot biases even when there are none. This may occur by failing to notice when small sample statistics differ from large sample statistics, mistaking people's random error for systematic error, or confusing intelligent inferences with logical errors. Unknown to most economists, much of psychological research reveals a different portrayal, where people appear to have largely fine-tuned intuitions about chance, frequency, and framing. A systematic review of the literature shows little evidence that the alleged biases are potentially costly in terms of less health, wealth, or happiness. Getting rid of the bias bias is a precondition for psychology to play a positive role in economics.
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