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On the sample autocovariance of a Lévy driven moving average process when sampled at a renewal sequence

Abstract

We consider a L\évy driven continuous time moving average process XX sampled at random times which follow a renewal structure independent of XX. Asymptotic normality of the sample mean, the sample autocovariance, and the sample autocorrelation is established under certain conditions on the kernel and the random times. We compare our results to a classical non-random equidistant sampling method and give an application to parameter estimation of the L\évy driven Ornstein-Uhlenbeck process.

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