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    題名: 死亡率改善對 IFRS 17 負債之影響― 以年金保險商品為例
    THE IMPACT OF MORTALITY IMPROVEMENT ON THE LIABILITY UNDER IFRS 17-A CASE OF ANNUITY PRODUCTS
    作者: 吳怡潁
    Wu, Yi-Ying
    貢獻者: 楊曉文
    吳怡潁
    Wu, Yi-Ying
    關鍵詞: 死亡率改善
    IFRS 17
    Mortality improvement
    Lee-Carter
    CBD
    Gompertz
    日期: 2020
    上傳時間: 2020-09-02 11:51:16 (UTC+8)
    摘要: 隨著科技進步，各年齡的死亡率皆隨著時間降低，可預期保險公司年金 商品的保險給付會增加;而死亡率改善的幅度會如何影響 IFRS 17 之下終身 型年金商品的保險負債、並影響公司的盈利虧損，為本文預探探討的議題。
    為了觀察死亡率改善的影響，本文以 Lee-Carter、CBD 兩個死亡率隨機 模型推估 100 年以後的死亡率，並以 Gompertz 模型針對高齡部分死亡率進 行外插。根據模型預測結果，第二回年金生表高估了高齡人口的死亡率改 善、低估了低齡人口的死亡率改善。
    接著我們將模型估計之死亡率用於保險負債的計算。研究結果發現，
    高齡死亡率對最佳估計負債之結果影響較低齡死亡率大。且假設模型預測之
    死亡率為真實的死亡率、並以第二回年金生命表對終身年金商品進行定價，
    可能會出現低投保年齡人口保費收取不足、而導致公司虧損的現象。
    With the advancement of technology, the mortality rates of all ages decrease with time. It can be expected that the benefits of annuity products will increase; therefore, how the improvement in mortality rates will affect the insurance liabilities of whole life annuity products under IFRS 17 and affect the company’s profit and losses are what we will discuss in this paper.
    In order to observe the impact of mortality improvement, we use the Lee-Carter and CBD stochastic mortality models to estimate the death rates for 100 years, and then use the Gompertz model to extrapolate the senior death rates. According to the predicted mortality rates, the second annuity life table had overestimated the mortality improvement of the senior population and underestimated that of the younger population.
    Finally, we use the mortality rates we estimated to calculate insurance liabilities. We found that the impact of mortality rate at higher ages on the best estimated liabilities has a greater impact on that of younger ages. In addition, under the actuarial assumptions of this study, the premiums calculated by the second annuity life table may not be sufficient to pay for future annuity benefits when the insured age is low, and cause losses to insurance companies.
    參考文獻: 吳佩軒。2019。台灣實施 IFRS 17 之資產負債管理研究―以傳統型保險商品為例。 國立政治大學風險管理與保險學(系)研究所碩士學位論文。

    保險合約負債公允價值評價精算實務處理準則。 2018。中華民國精算學會。

    Butt, Z. and Haberman, S. 2010. A Comparative Study of Parametric Mortality Projection Models. Actuarial Research Paper, No. 196, ISBN 978-1-905752-29-4.

    Cairns, A. J. G., Blake, D., and Dowd, k. 2006. A two-factor model for stochastic mortality with parameter uncertainty: theory and calibration. The Journal of Risk
    and Insurance, 2006, Vol. 73, No. 4, 687-718

    European Insurance and Occupational Pensions Authority. 2018. EIOPA’s analysis of IFRS 17 Insurance Contracts. EIOPA-18-717.

    Haberman, S., and Russolillo, M. 2005. Lee Carter Mortality Forecasting: Application to the Italian Population. Actuarial Research Paper, No. 167, ISBN 1 901615-93-6.

    Levantesi, S and Pizzorusso, V. 2019. Application of Machine Learning to Mortality Modeling and Forecasting.

    Ronald D. Lee and Lawrence R. Carter. 1992. Modeling and Forecasting U. S. Mortality. Journal of the American Statistical Association, Vol. 87, No. 419, pp.659-671

    Swiss Re. 2018. Who Pays for Ageing?

    William Hines, W., and Verheugen, H.. 2017. IFRS 17-Introduction, Challenges & Opportunities. Milliman.

    Yue, J. C. Oldest-Old Mortality Rates and the Gompertz Law: A Theoretical and Empirical Study Based on Four Countries. Department of Statistics, National Chengchi University.
    描述: 碩士
    國立政治大學
    風險管理與保險學系
    107358020
    資料來源: http://thesis.lib.nccu.edu.tw/record/#G0107358020
    資料類型: thesis
    DOI: 10.6814/NCCU202001458
    顯示於類別:[風險管理與保險學系] 學位論文

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