Melvern Leung
Bayesian Value-at-Risk backtesting: The case of annuity pricing
Leung, Melvern; Li, Youwei; Pantelous, Athanasios A.; Vigne, Samuel A.
Authors
Professor Youwei Li Youwei.Li@hull.ac.uk
Professor of Finance
Athanasios A. Pantelous
Samuel A. Vigne
Abstract
We propose new Unconditional, Independence and Conditional Coverage VaR-forecast backtests for the case of annuity pricing under a Bayesian framework that significantly minimise the direct and indirect effects of p-hacking or other biased outcomes in decision-making, in general. As a consequence of the global financial crisis during 2007–09, regulatory demands arising from Solvency II has required a stricter assessment setting for the internal financial risk models of insurance companies. To put our newly proposed backtesting technique into practice we employ linear and nonlinear Bayesianised variants of two typically used mortality models in the context of annuity pricing. In this regard, we explore whether the stressed longevity scenarios are enough to capture the experienced liability over the forecasted time horizon. Most importantly, we conclude that our Bayesian decision theoretic framework quantitatively produce a strength of evidence favouring one decision over the other.
Citation
Leung, M., Li, Y., Pantelous, A. A., & Vigne, S. A. (in press). Bayesian Value-at-Risk backtesting: The case of annuity pricing. European journal of operational research, https://doi.org/10.1016/j.ejor.2020.12.051
Journal Article Type | Article |
---|---|
Acceptance Date | Dec 28, 2020 |
Online Publication Date | Jan 13, 2021 |
Deposit Date | Jan 14, 2021 |
Publicly Available Date | Jan 14, 2023 |
Journal | European Journal of Operational Research |
Print ISSN | 0377-2217 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
DOI | https://doi.org/10.1016/j.ejor.2020.12.051 |
Keywords | Decision analysis; Value-at-Risk; Backtesting; Bayesian framework; Longevity risk |
Public URL | https://hull-repository.worktribe.com/output/3694403 |
Publisher URL | https://www.sciencedirect.com/science/article/abs/pii/S0377221720310973?via%3Dihub |
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https://creativecommons.org/licenses/by-nc-nd/4.0/
Copyright Statement
©2021. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
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