Central limit theorems for arrays of decimated linear processes

F. Roueff and M.S. Taqqu

Stochastic Processes and their Applications, 2009, vol. 119, issue 9, 3006-3041

Abstract: Linear processes are defined as a discrete-time convolution between a kernel and an infinite sequence of i.i.d. random variables. We modify this convolution by introducing decimation, that is, by stretching time accordingly. We then establish central limit theorems for arrays of squares of such decimated processes. These theorems are used to obtain the asymptotic behavior of estimators of the spectral density at specific frequencies. Another application, treated elsewhere, concerns the estimation of the long-memory parameter in time series, using wavelets.

Keywords: Spectral; analysis; Wavelet; analysis; Long; range; dependence; Semiparametric; estimation (search for similar items in EconPapers)
Date: 2009
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Citations: View citations in EconPapers (3)

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