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Random Parameter Model for Continuous-Time Mean-Variance Asset-Liability Management

机译:连续时间均值资产负债管理的随机参数模型

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摘要

We consider a continuous-time mean-variance asset-liability management problem in a market with random market parameters; that is, interest rate, appreciation rates, and volatility rates are considered to be stochastic processes. By using the theories of stochastic linear-quadratic (LQ) optimal control and backward stochastic differential equations (BSDEs), we tackle this problem and derive optimal investment strategies as well as the mean-variance efficient frontier analytically in terms of the solution of BSDEs. We find that the efficient frontier is still a parabola in a market with random parameters. Comparing with the existing results, we also find that the liability does not affect the feasibility of the mean-variance portfolio selection problem. However, in an incomplete market with random parameters, the liability can not be fully hedged.
机译:我们考虑具有随机市场参数的市场中的连续时间均方差资产负债管理问题;也就是说,利率,升值率和波动率被认为是随机过程。通过使用随机线性二次(LQ)最优控制和后向随机微分方程(BSDE)的理论,我们解决了这个问题,并根据BSDE的解,分析了最优投资策略以及均值方差有效前沿。我们发现,在具有随机参数的市场中,有效前沿仍然是抛物线。与现有结果比较,我们还发现负债不影响均方差投资组合选择问题的可行性。但是,在具有随机参数的不完整市场中,无法完全对冲负债。

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  • 来源
    《Mathematical Problems in Engineering》 |2015年第19期|687428.1-687428.16|共16页
  • 作者单位

    Southwest Univ Nationalities, Sch Econ, Chengdu 610041, Sichuan, Peoples R China|Hunan Univ, Sch Finance & Stat, Changsha 410079, Hunan, Peoples R China;

    Sichuan Univ, Sch Business, Chengdu 610064, Sichuan, Peoples R China;

    Sichuan Univ, Dept Math, Chengdu 610064, Sichuan, Peoples R China;

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