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Informational Cascades: Erklärung für rationales Herdenverhalten oder nur eine Fata Morgana?

Informational cascades: explanation for rational herd behavior or just a fata morgana?
[working paper]

Spiwoks, Markus
Bizer, Kilian
Hein, Oliver

Corporate Editor
Hochschule Darmstadt, FB Gesellschaftswissenschaften und Soziale Arbeit, Sonderforschungsgruppe Institutionenanalyse (sofia)

Abstract

"Experimental research found contradictory results regarding the occurrence of Informational Cascades. While Anderson and Holt (1997) through lab tests confirm the model of Banerjee (1992), and Bikhchandani, Hirshleifer, and Welch (1992) resp., Huck and Oechssler (2000) come to controversial results... view more

"Experimental research found contradictory results regarding the occurrence of Informational Cascades. While Anderson and Holt (1997) through lab tests confirm the model of Banerjee (1992), and Bikhchandani, Hirshleifer, and Welch (1992) resp., Huck and Oechssler (2000) come to controversial results for crucial issues. This study is an extensive (227 test persons) and as regards contents expanded repetition. It becomes obvious that less than 10% of subjects are able to make deductions from predecessors' actions regarding their private signals, to consider the reliability of the signals and the a priory probability, to accurately use Bayes' Rule, and to thus reach rational decisions." (author's abstract)... view less


In Bezug auf das Auftreten von Informational Cascades ist die empirische Forschung zu widersprüchlichen Ergebnissen gekommen. Anderson und Holt (1997) bestätigen das Modell von Banerjee (1992) experimentell, Bikhchandani, Hirshleifer und Welch (1992) ebenso, Huck und Oechssler (2000) kommen in Schlü... view more

In Bezug auf das Auftreten von Informational Cascades ist die empirische Forschung zu widersprüchlichen Ergebnissen gekommen. Anderson und Holt (1997) bestätigen das Modell von Banerjee (1992) experimentell, Bikhchandani, Hirshleifer und Welch (1992) ebenso, Huck und Oechssler (2000) kommen in Schlüsselfragen zu anderen Ergebnissen. Diese Studie ist eine umfangreiche (n=227) und erweiterte Replikation. Es wird offensichtlich, dass weniger als 10% der Personen in der Lage sind, aus den Handlungen ihrer Vorläufer in Bezug auf deren private Signale Schlussfolgerungen zu ziehen, die Zuverlässigkeit der Signale und ihre a priori-Wahrscheinlichkeit zu beurteilen, Bayes' Gesetz akkurat anzuwenden und so zu einer rationalen Entscheidung zu kommen. (ICEÜbers)... view less

Keywords
group; group dynamics; influenceability; individual; behavior; decision; decision making; decision making criterion; Bayesian statistics

Classification
Social Psychology

Method
empirical; quantitative empirical

Document language
German

Publication Year
2006

City
Darmstadt

Page/Pages
34 p.

Series
sofia-Diskussionsbeiträge zur Institutionenanalyse, 06-3

ISSN
1439-6874

ISBN
3-933795-77-X

Status
Published Version; reviewed

Licence
Deposit Licence - No Redistribution, No Modifications

Data providerThis metadata entry was indexed by the Special Subject Collection Social Sciences, USB Cologne


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© 2007 - 2025 Social Science Open Access Repository (SSOAR).
Based on DSpace, Copyright (c) 2002-2022, DuraSpace. All rights reserved.