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On the modelling of nested risk-neutral stochastic processes with applications in insurance

Author

Listed:
  • S. N. Singor
  • A. Boer
  • J. S. C. Alberts
  • C. W. Oosterlee

Abstract

We propose a modelling framework for risk-neutral stochastic processes nested in a real-world stochastic process. The framework is important for insurers that deal with the valuation of embedded options and in particular at future points in time. We make use of the class of State Space Hidden Markov models for modelling the joint behaviour of the parameters of a risk-neutral model and the dynamics of option market instruments. This modelling concept enables us to perform non-linear estimation, forecasting and robust calibration. The proposed method is applied to the Heston model for which we find highly satisfactory results. We use the estimated Heston model to compute the required capital of an insurance company under Solvency II and we find large differences compared to a basic calibration method.

Suggested Citation

  • S. N. Singor & A. Boer & J. S. C. Alberts & C. W. Oosterlee, 2017. "On the modelling of nested risk-neutral stochastic processes with applications in insurance," Applied Mathematical Finance, Taylor & Francis Journals, vol. 24(4), pages 302-336, July.
    • Handle: RePEc:taf:apmtfi:v:24:y:2017:i:4:p:302-336
    DOI: 10.1080/1350486X.2017.1378583
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    Cited by:

    1. Marcel T. P. Van Dijk & Cornelis S. L. De Graaf & Cornelis W. Oosterlee, 2018. "Between ℙ and ℚ: The ℙ ℚ Measure for Pricing in Asset Liability Management," JRFM, MDPI, vol. 11(4), pages 1-23, October.

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