How do people cope with an ambiguous situation when it becomes even more ambiguous?

As illustrated by the famous Ellsberg paradox, many subjects prefer to bet on events with known rather than with unknown probabilities, i.e., they are ambiguity averse. In an experiment, we examine subjects’ choices when there is an additional source of ambiguity, namely, when they do not know how m...

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Bibliographische Detailangaben
Hauptverfasser: Eichberger, Jürgen (VerfasserIn) , Oechssler, Joerg (VerfasserIn) , Schnedler, Wendelin (VerfasserIn)
Dokumenttyp: Buch/Monographie Arbeitspapier
Sprache:Deutsch
Englisch
Veröffentlicht: Heidelberg Universitätsbibliothek der Universität Heidelberg 2012
Heidelberg 2012
Schriftenreihe:Discussion paper series / University of Heidelberg, Department of Economics 528
In: Discussion paper series (528)

Schlagworte:
Online-Zugang:Resolving-System, kostenfrei, Volltext: http://nbn-resolving.de/urn:nbn:de:bsz:16-opus-134394
Resolving-System, Volltext: http://hdl.handle.net/10419/127342
Verlag, Volltext: http://www.ub.uni-heidelberg.de/archiv/13439
Volltext
Verfasserangaben:Jürgen Eichberger; Jörg Oechssler and Wendelin Schnedler

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520 |a As illustrated by the famous Ellsberg paradox, many subjects prefer to bet on events with known rather than with unknown probabilities, i.e., they are ambiguity averse. In an experiment, we examine subjects’ choices when there is an additional source of ambiguity, namely, when they do not know how much money they can win. Using a standard independence assumption, we show that ambiguity averse subjects should continue to strictly prefer the urn with known probabilities. In contrast, our results show that many subjects no longer exhibit such a strict preference. This should have important ramifications for modeling ambiguity aversion. 
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