A note on a Marčenko–Pastur type theorem for time series

Jianfeng Yao

Statistics & Probability Letters, 2012, vol. 82, issue 1, 22-28

Abstract: In this note we develop an extension of the Marčenko–Pastur theorem to time series model with temporal correlations. The limiting spectral distribution (LSD) of the sample covariance matrix is characterised by an explicit equation for its Stieltjes transform depending on the spectral density of the time series. A numerical algorithm is then given to compute the density functions of these LSD’s.

Keywords: High-dimensional time series; High-dimensional sample covariance matrices; Marčenko–Pastur distributions (search for similar items in EconPapers)
Date: 2012
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Citations: View citations in EconPapers (5)

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DOI: 10.1016/j.spl.2011.08.011

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