Behavioural Effects and Market Dynamics in Field and Laboratory Experimental Asset Markets

A vast literature investigating behavioural underpinnings of financial bubbles and crashes relies on laboratory experiments. However, it is not yet clear how findings generated in a highly artificial environment relate to the human behaviour in the wild. It is of concern that the laboratory setting...

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Main Authors: Sandra Andraszewicz, Ke Wu, Didier Sornette
Format: Article
Language:English
Published: MDPI AG 2020-10-01
Series:Entropy
Subjects:
Online Access:https://www.mdpi.com/1099-4300/22/10/1183
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author Sandra Andraszewicz
Ke Wu
Didier Sornette
author_facet Sandra Andraszewicz
Ke Wu
Didier Sornette
author_sort Sandra Andraszewicz
collection DOAJ
description A vast literature investigating behavioural underpinnings of financial bubbles and crashes relies on laboratory experiments. However, it is not yet clear how findings generated in a highly artificial environment relate to the human behaviour in the wild. It is of concern that the laboratory setting may create a confound variable that impacts the experimental results. To explore the similarities and differences between human behaviour in the laboratory environment and in a realistic natural setting, with the same type of participants, we translate a field study conducted by reference (Sornette, D.; et al. <i>Econ. E-J.</i><b>2020</b>, <i>14</i>, 1–53) with trading rounds each lasting six full days to a laboratory experiment lasting two hours. The laboratory experiment replicates the key findings from the field study but we observe substantial differences in the market dynamics between the two settings. The replication of the results in the two distinct settings indicates that relaxing some of the laboratory control does not corrupt the main findings, while at the same time it offers several advantages such as the possibility to increase the number of participants interacting with each other at the same time and the number of traded securities. These findings pose important insights for future experiments investigating human behaviour in complex systems.
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spelling doaj.art-2a035d40b2cd42198defa85825cd850e2023-11-20T17:50:11ZengMDPI AGEntropy1099-43002020-10-012210118310.3390/e22101183Behavioural Effects and Market Dynamics in Field and Laboratory Experimental Asset MarketsSandra Andraszewicz0Ke Wu1Didier Sornette2Chair of Cognitive Science, Department of Humanities, Social and Political Sciences (D-GESS), ETH Zurich, 8092 Zurich, SwitzerlandInstitute of Risk Analysis, Prediction and Management (Risks-X), Academy for Advanced Interdiscplinary Studies, Southern University of Science and Technology (SUSTech), Shenzhen 518055, ChinaInstitute of Risk Analysis, Prediction and Management (Risks-X), Academy for Advanced Interdiscplinary Studies, Southern University of Science and Technology (SUSTech), Shenzhen 518055, ChinaA vast literature investigating behavioural underpinnings of financial bubbles and crashes relies on laboratory experiments. However, it is not yet clear how findings generated in a highly artificial environment relate to the human behaviour in the wild. It is of concern that the laboratory setting may create a confound variable that impacts the experimental results. To explore the similarities and differences between human behaviour in the laboratory environment and in a realistic natural setting, with the same type of participants, we translate a field study conducted by reference (Sornette, D.; et al. <i>Econ. E-J.</i><b>2020</b>, <i>14</i>, 1–53) with trading rounds each lasting six full days to a laboratory experiment lasting two hours. The laboratory experiment replicates the key findings from the field study but we observe substantial differences in the market dynamics between the two settings. The replication of the results in the two distinct settings indicates that relaxing some of the laboratory control does not corrupt the main findings, while at the same time it offers several advantages such as the possibility to increase the number of participants interacting with each other at the same time and the number of traded securities. These findings pose important insights for future experiments investigating human behaviour in complex systems.https://www.mdpi.com/1099-4300/22/10/1183experimental asset marketspsychological entropyreplicabilitylaboratory experimentsfield experimentscomplex systems
spellingShingle Sandra Andraszewicz
Ke Wu
Didier Sornette
Behavioural Effects and Market Dynamics in Field and Laboratory Experimental Asset Markets
Entropy
experimental asset markets
psychological entropy
replicability
laboratory experiments
field experiments
complex systems
title Behavioural Effects and Market Dynamics in Field and Laboratory Experimental Asset Markets
title_full Behavioural Effects and Market Dynamics in Field and Laboratory Experimental Asset Markets
title_fullStr Behavioural Effects and Market Dynamics in Field and Laboratory Experimental Asset Markets
title_full_unstemmed Behavioural Effects and Market Dynamics in Field and Laboratory Experimental Asset Markets
title_short Behavioural Effects and Market Dynamics in Field and Laboratory Experimental Asset Markets
title_sort behavioural effects and market dynamics in field and laboratory experimental asset markets
topic experimental asset markets
psychological entropy
replicability
laboratory experiments
field experiments
complex systems
url https://www.mdpi.com/1099-4300/22/10/1183
work_keys_str_mv AT sandraandraszewicz behaviouraleffectsandmarketdynamicsinfieldandlaboratoryexperimentalassetmarkets
AT kewu behaviouraleffectsandmarketdynamicsinfieldandlaboratoryexperimentalassetmarkets
AT didiersornette behaviouraleffectsandmarketdynamicsinfieldandlaboratoryexperimentalassetmarkets