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    Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/36974


    Title: 隨機利率下壽險公司利率變動型保單之風險分析
    Authors: 林丹琪
    Contributors: 蔡政憲
    林丹琪
    Keywords: 利率變動型年金
    Date: 2006
    Issue Date: 2009-09-18 20:20:43 (UTC+8)
    Abstract: 在過去利率低靡的總體環境下,壽險公司推出連結市場利率的利率變動型年
    金,以因應壽險公司降低利率風險的需求。然而隨著市場利率的復甦,保戶的解約行為會受到保單宣告利率及市場利率所造成的利率差影響,當利率差愈高,保戶愈有誘因解約。因此保險公司在推出利變型保單時須考量利率差對保戶解約的影響。此外,發行保單時的宣告利率策略、資產配置策略都會影響公司未來營運。
    本文透過模擬四組情境,針對不同情境設定及不同策略進行敏感度分析的結果發現(1)不論何種情境下,加碼利率越高,保險公司的破產機率越高(2)加碼利率越高,利率差大於零的機率越低,因此加碼利率越高者其解約率大多為解約率的下限1%,因此每期的解約给付大幅降低,可保有資產繼續留在公司內部投資,且由於投資標的的報酬率遠高於宣告利率,因此總盈餘反而較高(3)不論何種情境下,投資不動產的比例越高,破產機率越高,其次為股票,債券最安全(4)期初資本越高,破產機率越低,且總盈餘及目標函數越高。但計算期初資本20億及30億的年報酬率發現,情境一中期初資本20億的A公司投資報酬率為12.8%,情境二中期初資本30億的A公司投資報酬率為11.9%,顯示在其他條件相同下,資本額愈低的公司投資報酬率愈高。
    The paper analyzes that under the low interest rate of overall environment, life insurance developed the floating-rate annuity that linked market rate, enabling to reduce the interest rate risk. However, with the rise of interest rate, insurers will suffer from loss caused by surrendering. In addition to surrendering, different declared interest rate of floating-rate annuity, capital and the ratio of asset portfolio will influence the solvency of insurance companies.
    This paper simulates the stochastic interest rate model and different asset models and analyzes the solvency of insurance company under different declared interest rate strategies, and different asset allocation strategies. Finally, we offer the life insurance to decide of the floating-rate annuity in advance.
    Reference: 中文部分
    1. 沈小琪,「市場利率與保單失效解約率關係之研究」,逢甲大學統計與精算研究所碩士論文,1998。
    2. 吳婕綺,「隨機利率模型下利率變動型年金之盈餘分配與資產配置策略」,逢甲大學保險所碩士論文,2006。
    3. 孟嘉仁,「台灣利率變動型年金商品設計與利率宣告策略關連性之研究」,台灣大學EMBA 財務金融所碩士論文,2004。
    4. 林芳如,「利率變動型年金資產負債管理-隨機規劃方法之應用」,銘傳大學金融研究所在職專班碩士論文,2004。
    5. 林怡菁,「利率變動型年金之利率風險研究」,朝陽科技大學保險金融管理系碩士論文,2005。
    6. 郭瑜玲,「利率變動型年金經營策略與附加價值」,國立台灣大學財務金融所碩士論文,2004。
    7. 陳宣仲,「不同情境下利率變動型年金於累積期之風險分析」,國立台灣大學財務金融所碩士論文,2006。
    8. 顏尚琴,「利率變動型年金保險解約率的估計」,大同技術學院學報,第十三期,2004,第29-47頁。
    9. 蘇承懋,「模擬產險公司最佳化資產配置」,國立政治大學風險管理與保險學所碩士論文,2004。

    英文部分
    1. Cox, J.C., J.E. Ingersoll, and S.A. Ross, 1985, A Theory of the Term Structure of Interest Rates, Econometrica, 53, 2, 385-407.
    2. Grosen, A. and P. L., Jorgensen, 2000, Fair Valuation of Life Insurance Liabilities: The Impact of Interest Rate Guarantees, Surrender Options, and Bonus Policies, Insurance: Mathematics and Economics, 26, 1, 37-57.
    3. Tsai, C., W. Kuo, and W. Chen, 2002, Early Surrender and the Distribution of Policy Reserves, Insurance: Mathematics and Economics, 31, 3, 429-445.
    Description: 碩士
    國立政治大學
    風險管理與保險研究所
    94358017
    95
    Source URI: http://thesis.lib.nccu.edu.tw/record/#G0943580171
    Data Type: thesis
    Appears in Collections:[Department of Risk Management and Insurance] Theses

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