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Théories implicites et excès de confiance : une expérience de terrain

Abstract : Self-theories deal with how an individual perceives some of her attributes such as intelligence. People endorse basically one of two theories: growth mindset or fixed mindset. In the case of the former, people believe that intelligence can be developed (incremental theory), whereas in regard to the latter, people believe that intelligence is a fixed trait (entity theory). These theories play an important role in motivation and achievement, as shown by Carol Dweck’s life-long research. They also impact self-assessment accuracy, since fixed mindsets are much more imprecise in estimating their own ability. In behavioral economics, overconfidence is shown to play an important role in individuals’ preferences and choices. In this paper, we conducted a field experiment to investigate whether self-theories impact overconfidence. Early career Vietnamese executives pursuing an MBA were incentivized. Our sample of managers and professionals controls for a wide range of corporate and demographic variables. The main result of our paper is that self-theories impact overconfidence when taking into account income. As in previous studies, we also find that subjects exhibit significant absolute overconfidence. Gender does not have any impact on overconfidence. We also tested the relationships between self-theories and risk taking.
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Submitted on : Wednesday, March 7, 2018 - 10:46:20 AM
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Bertrand Koebel, André Schmitt, Sandrine Spaeter. Théories implicites et excès de confiance : une expérience de terrain. Revue Economique, Presses de Sciences Po, 2016, 67 (5), pp.977 - 1006. ⟨10.3917/reco.675.0977⟩. ⟨hal-01725149⟩

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