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Combining a Matheuristic with Simulation for Risk Management of Stochastic Assets and Liabilities

Author

Listed:
  • Christopher Bayliss

    (IN3—Computer Science Department, Universitat Oberta de Catalunya, 08018 Barcelona, Spain
    Management School, University of Liverpool, Liverpool L69 7ZH, UK)

  • Marti Serra

    (IN3—Computer Science Department, Universitat Oberta de Catalunya, 08018 Barcelona, Spain)

  • Armando Nieto

    (IN3—Computer Science Department, Universitat Oberta de Catalunya, 08018 Barcelona, Spain
    Divina Pastora Seguros, Calle Xativa 23, 46002 Valencia, Spain)

  • Angel A. Juan

    (IN3—Computer Science Department, Universitat Oberta de Catalunya, 08018 Barcelona, Spain)

Abstract

Specially in the case of scenarios under uncertainty, the efficient management of risk when matching assets and liabilities is a relevant issue for most insurance companies. This paper considers such a scenario, where different assets can be aggregated to better match a liability (or the other way around), and the goal is to find the asset-liability assignments that maximises the overall benefit over a time horizon. To solve this stochastic optimisation problem, a simulation-optimisation methodology is proposed. We use integer programming to generate efficient asset-to-liability assignments, and Monte-Carlo simulation is employed to estimate the risk of failing to pay due liabilities. The simulation results allow us to set a safety margin parameter for the integer program, which encourage the generation of solutions satisfying a minimum reliability threshold. A series of computational experiments contribute to illustrate the proposed methodology and its utility in practical risk management.

Suggested Citation

  • Christopher Bayliss & Marti Serra & Armando Nieto & Angel A. Juan, 2020. "Combining a Matheuristic with Simulation for Risk Management of Stochastic Assets and Liabilities," Risks, MDPI, vol. 8(4), pages 1-14, December.
    • Handle: RePEc:gam:jrisks:v:8:y:2020:i:4:p:131-:d:456928
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    References listed on IDEAS

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