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A new exact solution for pricing European options in a two-state regime-switching economy

机译:在两国制体制转换经济中为欧洲期权定价的精确解决方案

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摘要

In this study, we derive a new exact solution for pricing European options in a two-state regime-switching economy. Two coupled Black-Scholes partial differential equations (PDEs) under the regime switching are solved using the Fourier Transform method. A key feature of the newly-derived solution is its simplicity in the form of a single integral with a real integrand, which leads to great computational efficiency in comparison with other closed-form solutions previously presented in the literature. Numerical examples are provided to demonstrate some interesting results obtained from our pricing formula.
机译:在这项研究中,我们推导了一种新的精确解决方案,用于在两国制体制转换经济中为欧洲期权定价。使用傅里叶变换法求解了状态切换下的两个耦合的Black-Scholes偏微分方程(PDE)。新推导的解决方案的一个关键特征是其简单的形式,即具有单个积分和一个实积数的形式,与先前文献中介绍的其他闭式解决方案相比,它具有很高的计算效率。提供了数值示例,以证明从我们的定价公式中得出的一些有趣结果。

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