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How to Calibrate a Questionnaire for Risk Measurement?

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Advances in Fuzzy Logic and Technology 2017 (EUSFLAT 2017, IWIFSGN 2017)

Abstract

Utility functions content parameters related to risk aversion coefficients which represent natural extensions of utility function properties. They measure how much utility we gain (or lose) as we add (or subtract) from our wealth. We set up these parameters for a person based on her/his answers to a questionnaire constructed to identify individual risk behavior. Calibration of such a questionnaire, and subsequently of utility functions, is based on an expected utility maximization of different alternatives of investment strategies. In the paper, we present questionnaire calibration methodology which we illustrate using absolute and relative risk aversion coefficients of two selected utility functions which have common, as well as different properties.

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Notes

  1. 1.

    Percentage of possible profit or loss sequentially in all alternatives.

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Acknowledgement

Jana Špirková has been supported by the Project VEGA no. 1/0093/17 Identification of risk factors and their impact on products of the insurance and savings schemes.

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Correspondence to Jana Špirková .

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Appendix

All computations were made with fundamental investments divided by 10,000.

Appendix

Table 2. Expected utilities according to power utility function (7) with \(p=0.8\) and \(w=17{,}000\)
Table 3. Maximal expected utilities for power utility function (7) of the alternative \(A_{4}\)
Table 4. Maximal expected utilities for power utility function (7) of the alternative \(A_{3}\)
Table 5. Expected utilities evaluated by the exponential utility function (10) with \(p=0.8\), \(w=17{,}000\)
Table 6. Expected utilities evaluated by the exponential utility function (10) with \(p=0.8\), \(w=13{,}500\)
Table 7. Maximal expected utilities and corresponding \(\alpha \) for exponential utility function (10) of the alternative \(A_{3}\)
Table 8. Maximal premium for \(A_{4}\) according to (7), \(p=0.8\), \(w=17{,}000\)
Table 9. Maximal premium for \(A_{4}\) according to (10), \(p=0.8\), \(w=17{,}000\) €, and \(w=13{,}500\)

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Špirková, J., Král’, P. (2018). How to Calibrate a Questionnaire for Risk Measurement?. In: Kacprzyk, J., Szmidt, E., Zadrożny, S., Atanassov, K., Krawczak, M. (eds) Advances in Fuzzy Logic and Technology 2017. EUSFLAT IWIFSGN 2017 2017. Advances in Intelligent Systems and Computing, vol 643. Springer, Cham. https://doi.org/10.1007/978-3-319-66827-7_32

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  • DOI: https://doi.org/10.1007/978-3-319-66827-7_32

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