Information mirages and financial contagion in an asset market experiment

Charles Noussair and Yilong Xu

Journal of Economic Studies, 2015, vol. 42, issue 6, 1029-1055

Abstract: Purpose - – The purpose of this paper is to consider whether asymmetric information about correlations between assets can induce financial contagion. Contagion, unjustified by fundamentals, would arise if participants react in one market to uninformative trades in the other market that actually convey no relevant information. The authors also consider whether the market accurately disseminates insider information about fundamental value correlations when such information is indeed present. Design/methodology/approach - – The authors employ experimental asset markets to answer the research questions. The experimental markets allow participants to simultaneously trade two assets for multiple rounds. In each round, a shock occurs, which either have an idiosyncratic effect on the shocked asset, or a systematic effect on both assets. Half of the time, there exist insiders who know the true nature of the shock and how it affects the value of the other asset. The other half of the time, no agent knows whether there is a correlation between the assets. In such cases, there is the potential for the appearance of information mirages. Uninformed traders, in either condition, do not know whether or not there exist insiders, but can try to infer this from the market activity they observe. Findings - – The results of the experiment show that when inside information about the nature of the correlation between assets does exist, it is readily disseminated in the form of market prices. However, when there is no private information (PI), mirages are common, demonstrating that financial contagion can arise in the absence of any fundamental relationship between assets. An analysis of individual behavior suggests that some unprofitable decisions appear to be related to an aversion to complex distributions of lottery payoffs. Originality/value - – The study focusses on one of the triggers of unjustified financial contagion, namely, asymmetric information. The authors have studied financial contagion in a controlled experimental setting where the authors can carefully control information, and specify the fundamental interdependence between assets traded in different markets.

Keywords: Asset market experiment; Financial contagion; Information mirage (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (16)

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Related works:
Working Paper: Information Mirages and Financial Contagion in Asset Market Experiment (2014)
Working Paper: Information Mirages and Financial Contagion in Asset Market Experiment (2014)
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Persistent link: https://EconPapers.repec.org/RePEc:eme:jespps:v:42:y:2015:i:6:p:1029-1055

DOI: 10.1108/JES-08-2015-0147

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