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    Title: 不同評估績效期間之退休基金最適策略
    Optimal Strategy of Pension Fund Management Incorporating Distinct Projected Time Horizons
    Authors: 田嘉蓉
    Tien, Chia-Jung
    Contributors: 張士傑
    田嘉蓉
    Tien, Chia-Jung
    Keywords: 最適提撥
    資產配置
    隨機控制
    評估測度
    asset liability management
    asset allocation
    stochastic control
    performance measure
    optimal contribution
    Date: 2001
    Issue Date: 2016-04-18 16:28:25 (UTC+8)
    Abstract: 不同評估績效的長短顯著地影響基金的經營策略,相較於強調穩健經營的退休基金而言,此因素是否亦影響退休基金的運作,本研究嘗試應用隨機控制理論,將投資績效的時間因素納入決策考量,以隨機微分方程式描述退休基金資產和應計負債的動態隨機行為,以多期基金規劃的觀點,探討時間因素與最適策略之關連性。本研究應用Brennan、Schwartz與Lagnado(1997)的結果至負債導向的退休基金管理,建構多期資產負債管理模型,退休基金持有資產將分類為風險性的股票投資組合、長期債券和短期票券,並考量投資標的短期利率與長期利率之隨機性質,將基金提撥與資產配置視為可調節因子,給定風險評估測度,於不設定投資限制下計算各期最適投資比例及基金提撥;本研究並以私人退休金個案進行模擬分析,結果顯示此基金未來10年之最適提撥率介於4.2﹪與5.1﹪,就不同評估期限而言,5年評估期之提撥率於初期高於10年評估期,基金比率η=0.75之提撥率低於η=1;5年評估期之基金交易行為較10年期明顯劇烈,基金比率較低時,其交易變化程度較小,不同評估年限與基金比率將同時影響退休基金之最適提撥與投資策略。
    Distinct time horizons in measuring investment perfomance significantly influence the financial planning for the money managers. In this study, we explore this issue concerning the pension fund management that has focused on the asset and liability management to meet its future obligations. A stochastic control model is formulated in a continuous-time framework to obtain the closed form solution for optimal strategy. The time variation in expected returns introduced in Brennan, Schwartz and Lagnado(1997)is adopted in obtaining the optimal strategy using plausible future plan’s normal costs and accrued liabilities under distinct time horizons. Based on the proposed performance measurement, the optimal funding schedule and portfolio selections are determined dynamically without trading restrictions.
    Reference: 一、 中文部分
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    Description: 碩士
    國立政治大學
    風險管理與保險研究所
    88358018
    Source URI: http://thesis.lib.nccu.edu.tw/record/#A2002001460
    Data Type: thesis
    Appears in Collections:[風險管理與保險學系 ] 學位論文

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