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Expert's opinion impact on financial risk management

Author

Listed:
  • Martín Ezequiel Masci
  • María Teresa Casparri
  • Javier Ignacio García-Fronti

Abstract

The present work proposes to incorporate expert's opinions into the traditional calculation of financial risk management models. These traditional quantitative models ignore qualitative knowledge available (subjective and mathematically imprecise). To do this, this paper articulates value-at-risk (VaR) practioner's perspective with experts' opinion. This work focuses on the techniques associated with the mathematical approach as opposed to the behavioural one and within this approach, contrasting those axiomatic with the Bayesian. The authors argue that expert's judgement is relevant to market risk management. In particular, financial risks are especially sensitive to decision makers' opinions. Three strategies are proposed. Firstly, Bayesian techniques, secondly, fuzzy logic with VaR approximation through triangular fuzzy numbers (TFN) and thirdly, expert discussion through Delphi dynamics are considered.

Suggested Citation

  • Martín Ezequiel Masci & María Teresa Casparri & Javier Ignacio García-Fronti, 2018. "Expert's opinion impact on financial risk management," International Journal of Business Continuity and Risk Management, Inderscience Enterprises Ltd, vol. 8(3), pages 249-261.
    • Handle: RePEc:ids:ijbcrm:v:8:y:2018:i:3:p:249-261
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