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Informationsbewertung Unter Ambiguitat

Informationsbewertung Unter Ambiguitat


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About the Book

Die Informationsbewertung unter Risiko ist analytisch uberzeugend gelost und es finden sich zahlreiche empirische Untersuchungen zu diesem Komplex. Seit 1961 von Ellsberg der Begriff "Ambiguitat" in die Entscheidungstheorie eingefuhrt wurde, sind auch Entscheidungen unter Ambiguitat empirisch haufig untersucht worden. Erstaunlicherweise wurde jedoch das Entscheidungsproblem der Informationsbewertung unter Ambiguitat bislang kaum betrachtet. Dies ist das Thema der vorliegenden Arbeit, die empirisch den Zusammenhang zwischen dem Informationswert, der Starke der Meinung, der Ambiguitatseinstellung und der Kompetenz des Entscheiders untersucht. Die Datengrundlage bildet eine eigene, internetgestutzte Befragung unter 242 Teilnehmern. Fur jeden Teilnehmer werden die Daten zu je einer Situation aus den Bereichen Sport, Politik und Wirtschaft erfasst. Insgesamt stehen somit 726 Datensatze zur Verfugung. Die Ergebnisse zeigen, dass der empirische Zusammenhang zwischen der Starke der Meinung und dem Informationswert sehr gut und hoch signifikant mit dem vorhergesagten negativen Einfluss des CEU-Modells ubereinstimmt. Die Kompetenz besitzt einen signifikant negativen Einfluss auf den Informationswert. Zentrales Ergebnis der Arbeit ist der bemerkenswerte Beleg, dass die Anpassungsgute eines einfachen (univariaten) linearen Modells zur Erklarung der Informationswertsumme mindestens so gut ist wie die des sehr viel komplizierteren und auf mehreren Einflussfaktoren beruhenden CEU-Modells. So bestatigt die Arbeit zwar die grundlegenden Aussagen des CEU-Modells fur die Bewertung von Informationen, legt jedoch nahe, dass ein sehr viel einfacheres Modell empirisch mindestens ebenso gut geeignet ist.


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Product Details
  • ISBN-13: 9783866186514
  • Publisher: Nomos Verlagsgesellschaft
  • Publisher Imprint: Rainer Hampp
  • Height: 210 mm
  • No of Pages: 276
  • Spine Width: 0 mm
  • Weight: 750 gr
  • ISBN-10: 3866186517
  • Publisher Date: 01 Aug 2011
  • Binding: Paperback
  • Language: German
  • Returnable: N
  • Sub Title: Eine Experimentelle Untersuchung
  • Width: 150 mm

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Informationsbewertung Unter Ambiguitat
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