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- W2005708118 abstract "We consider a continuous-time mean-variance portfolio selection model when stock price follows the constant elasticity of variance (CEV) process. The aim of this paper is to derive an optimal portfolio strategy and the efficient frontier. The mean-variance portfolio selection problem is formulated as a linearly constrained convex program problem. By employing the Lagrange multiplier method and stochastic optimal control theory, we obtain the optimal portfolio strategy and mean-variance efficient frontier analytically. The results show that the mean-variance efficient frontier is still a parabola in the mean-variance plane, and the optimal strategies depend not only on the total wealth but also on the stock price. Moreover, some numerical examples are given to analyze the sensitivity of the efficient frontier with respect to the elasticity parameter and to illustrate the results presented in this paper. The numerical results show that the price of risk decreases as the elasticity coefficient increases." @default.
- W2005708118 created "2016-06-24" @default.
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- W2005708118 date "2014-01-01" @default.
- W2005708118 modified "2023-10-11" @default.
- W2005708118 title "Continuous-Time Mean-Variance Portfolio Selection under the CEV Process" @default.
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- W2005708118 doi "https://doi.org/10.1155/2014/363046" @default.
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