Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/76189
Authors: 
Bruhin, Adrian
Fehr-Duda, Helga
Epper, Thomas F.
Year of Publication: 
2007
Series/Report no.: 
Working Paper, Socioeconomic Institute, University of Zurich 0705
Abstract: 
It has long been recognized that there is considerable heterogeneity in individual risk taking behavior but little is known about the distribution of risk taking types. We present a parsimonious characterization of risk taking behavior by estimating a finite mixture regression model for three different experimental data sets, two Swiss and one Chinese, over a large number of real gains and losses. We find two distinct types of individuals: In all three data sets, the choices of roughly 80% of the subjects exhibit significant deviations from rational probability weighting consistent with prospect theory. 20% of the subjects weight probabilities linearly and behave essentially as expected value maximizers. Moreover, the individuals are assigned to one of these two groups with probabilities of close to one resulting in a low measure of entropy. The reliability and robustness of our classification suggest using a mix of preference theories in applied economic modeling.
Subjects: 
individual risk taking behavior
latent heterogeneity
finite mixture regression models
JEL: 
D81
C49
Document Type: 
Working Paper

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