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Informational price cascades and non-aggregation of asymmetric information in experimental asset markets

Shachat, Jason and Srinivasan, Anand (2022) 'Informational price cascades and non-aggregation of asymmetric information in experimental asset markets.', Journal of Behavioral Finance .


We report on experimental markets which generate an abject failure of the aggregation of asymmetric information. While realized prices have zero correlation with fundamental values, surprisingly, these are not highly volatile. The non-aggregation of information manifests as prices which lock in to home grown norms that we call informational price cascades. Our results are in stark contrast to previous experiments testing fully revealing rational expectations equilibrium under asymmetric information and others examining social learning in asset markets when there is a rational market maker. Our experiments incorporate the asset and information structures from the latter into the decentralized private information setting and double auction trading mechanism of the former. Information only starts to aggregate when either each private signal is revealed to half of the traders or all private signals are simultaneously released early in the asset's issue.

Item Type:Article
Full text:Publisher-imposed embargo
(AM) Accepted Manuscript
Available under License - Creative Commons Attribution Non-commercial 4.0.
File format - PDF
Publisher Web site:
Date accepted:03 March 2022
Date deposited:15 March 2022
Date of first online publication:2022
Date first made open access:No date available

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