Abstract and Applied Analysis

Parameter Estimation for Long-Memory Stochastic Volatility at Discrete Observation

Xiaohui Wang and Weiguo Zhang

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Ordinary least squares estimators of variogram parameters in long-memory stochastic volatility are studied in this paper. We use the discrete observations for practical purposes under the assumption that the Hurst parameter H ( 1 / 2,1 ) is known. Based on the ordinary least squares method, we obtain both the explicit estimators for drift and diffusion by minimizing the distance function between the variogram and the data periodogram. Furthermore, the resulting estimators are shown to be consistent and to have the asymptotic normality. Numerical examples are also presented to illustrate the performance of our method.

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Abstr. Appl. Anal., Volume 2014, Special Issue (2013), Article ID 462982, 10 pages.

First available in Project Euclid: 6 October 2014

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Wang, Xiaohui; Zhang, Weiguo. Parameter Estimation for Long-Memory Stochastic Volatility at Discrete Observation. Abstr. Appl. Anal. 2014, Special Issue (2013), Article ID 462982, 10 pages. doi:10.1155/2014/462982. https://projecteuclid.org/euclid.aaa/1412606752

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