A target-based foundation for the "hard-easy effect" bias
The "hard-easy effect" is a well-known cognitive bias on self-confidence calibration that refers to a tendency to overestimate the probability of success in hard-perceived tasks, and to underestimate it in easy-perceived tasks. This paper provides a target-based foundation for this effect, and predicts its occurrence in the expected utility framework when utility functions are S-shaped and asymmetrically tailed. First, we introduce a definition of hard-perceived and easy-perceived task based on the mismatch between an uncertain target to meet and a suitably symmetric reference point. Second, switching from a target-based language to a utility-based language, we show how this maps to an equivalence between the hard-perceived target/gain seeking and the easy-perceived target/loss aversion. Third, we characterize the agent's miscalibration in self-confidence. Finally, we derive sufficient conditions for the Òhard-easy effectÓ and the "reversed hard-easy effect" to hold.
|Date of creation:||Oct 2014|
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