The Distribution of Ambiguity Attitudes

Hans-Martin von Gaudecker, Christian Zimpelmann and Axel Wogrolly ()
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Axel Wogrolly: IZA

No 209, ECONtribute Discussion Papers Series from University of Bonn and University of Cologne, Germany

Abstract: This paper analyzes the stability and distribution of ambiguity attitudes using a broad population sample. Using high-powered incentives, we collected six waves of data on ambiguity attitudes about financial markets—our main application—and climate change. Estimating a structural stochastic choice model, we obtain three individual-level parameters: Ambiguity aversion, likelihood insensitivity, and the magnitude of decision errors. These parameters are very heterogeneous in the population. At the same time, they are stable over time and largely stable across domains. We summarize heterogeneity in these three dimensions using a discrete classification approach with four types. Each group makes up 20-30 % of the sample. One group comes close to the behavior of expected utility maximizers. Two types are characterized by high likelihood insensitivity; one of them is ambiguity averse and the other ambiguity seeking. Members of the final group have large error parameters; robust conclusions about their ambiguity attitudes are difficult. Observed characteristics vary between groups in plausible ways. Ambiguity types predict risky asset holdings in the expected fashion, even after controlling for many covariates.

Keywords: ambiguity attitudes; temporal stability; domain specificity; socio-demographic fac- tors; cluster analysis; household portfolio choice (search for similar items in EconPapers)
JEL-codes: C38 D14 D81 G41 (search for similar items in EconPapers)
Pages: 38 pages
Date: 2022-11
New Economics Papers: this item is included in nep-upt
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Citations: View citations in EconPapers (4)

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https://www.econtribute.de/RePEc/ajk/ajkdps/ECONtribute_209_2022.pdf First version, 2022 (application/pdf)

Related works:
Working Paper: The Distribution of Ambiguity Attitudes (2022)
Working Paper: The Distribution of Ambiguity Attitudes (2022)
Working Paper: The Distribution of Ambiguity Attitudes (2021)
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Persistent link: https://EconPapers.repec.org/RePEc:ajk:ajkdps:209

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