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On the Asymptotic Properties of a Feasible Estimator of the Continuous Time Long Memory Parameter

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  • Joanne S. Ercolani
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    Abstract

    This paper considers a fractional noise model in continuous time and examines the asymptotic properties of a feasible frequency domain maximum likelihood estimator of the long memory parameter. The feasible estimator is one that maximises an approximation to the likelihood function (the approximation arises from the fact that the spectral density function involves the finite truncatin of an infinite summation). It is of interest therefore to explore the conditions required of this approximation to ensure the consistency and asymptotic normality of this estimator. It is shown that the truncation parameter has to be a function of the sample size and that the optimal rate is different for stocks and flows and is a function of the long memory parameter itself. The results of a simulation exercise are provided to assess the small sample properties of the estimator.

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    File URL: ftp://ftp.bham.ac.uk/pub/RePEc/pdf/10-09.pdf
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    Bibliographic Info

    Paper provided by Department of Economics, University of Birmingham in its series Discussion Papers with number 10-09.

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    Length: 11 pages
    Date of creation: Mar 2010
    Date of revision:
    Handle: RePEc:bir:birmec:10-09

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    Postal: Edgbaston, Birmingham, B15 2TT
    Web page: http://www.economics.bham.ac.uk
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    Keywords: Continuous time models; long memory processes;

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    1. Chambers, Marcus J. & McGarry, Joanne S., 2002. "Modeling Cyclical Behavior With Differential-Difference Equations In An Unobserved Components Framework," Econometric Theory, Cambridge University Press, vol. 18(02), pages 387-419, April.
    2. Ercolani, Joanne S. & Chambers, Marcus J., 2006. "Estimation Of Differential-Difference Equation Systems With Unknown Lag Parameters," Econometric Theory, Cambridge University Press, vol. 22(03), pages 483-498, June.
    3. Chambers, Marcus J., 1996. "The Estimation of Continuous Parameter Long-Memory Time Series Models," Econometric Theory, Cambridge University Press, vol. 12(02), pages 374-390, June.
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