Bitte verwenden Sie diesen Link, um diese Publikation zu zitieren, oder auf sie als Internetquelle zu verweisen: https://hdl.handle.net/10419/110650 
Erscheinungsjahr: 
2015
Schriftenreihe/Nr.: 
Munich Discussion Paper No. 2015-2
Verlag: 
Ludwig-Maximilians-Universität München, Volkswirtschaftliche Fakultät, München
Zusammenfassung: 
An extensive literature has studied ambiguity aversion in economic decision making, and how ambiguity aversion can account for empirically observed violations of expected utility-based theories. Almost all relevant applied models presume a general dislike of ambiguity. In this paper, we provide a systematic experimental assessment of ambiguity attitudes in different likelihood ranges and in the gain domain, the loss domain and with mixed outcomes. We draw on a unified framework with more than 500 participants and find that ambiguity aversion is the exception, not the rule. We replicate the usual finding of ambiguity aversion for moderate likelihood gains. However, when introducing losses or lower likelihoods, we observe either ambiguity neutrality or even ambiguity seeking behavior. Our results are robust to different elicitation procedures.
Schlagwörter: 
ambiguity aversion
decision under uncertainty
Ellsberg experiments
JEL: 
C91
D81
Persistent Identifier der Erstveröffentlichung: 
Dokumentart: 
Working Paper

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