Cognitive bubbles

Ciril Bosch-Rosa, Thomas Meissner and Antoni Bosch-Domènech
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Antoni Bosch-Domènech: Universitat Pompeu Fabra and Barcelona GSE

Experimental Economics, 2018, vol. 21, issue 1, No 6, 132-153

Abstract: Abstract Smith et al. (Econometrica 56(5):1119, 1988) reported large bubbles and crashes in experimental asset markets, a result that has been replicated many times. Here we test whether the occurrence of bubbles depends on the experimental subjects’ cognitive sophistication. In a two-part experiment, we first run a battery of tests to assess the subjects’ cognitive sophistication and classify them into low or high levels. We then invite them separately to two asset market experiments populated only by subjects with either low or high cognitive sophistication. We observe classic bubble and crash patterns in markets populated by subjects with low levels of cognitive sophistication. Yet, no bubbles or crashes are observed with our sophisticated subjects, indicating that cognitive sophistication of the experimental market participants has a strong impact on price efficiency.

Keywords: Asset market experiment; Bubbles; Cognitive sophistication (search for similar items in EconPapers)
JEL-codes: C91 D12 D84 G11 (search for similar items in EconPapers)
Date: 2018
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Related works:
Working Paper: Cognitive bubbles (2015)
Working Paper: Cognitive bubbles (2015)
Working Paper: Cognitive Bubbles
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DOI: 10.1007/s10683-017-9529-0

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