Measures of dependence for Ornstein-Uhlenbeck processes with tempered stable distribution

Wylomanska-, Agnieszka (2010): Measures of dependence for Ornstein-Uhlenbeck processes with tempered stable distribution. Forthcoming in:

Abstract

In this paper we investigate the dependence structure for Ornstein-Uhlenbeck processes with totally skewed tempered stable structure. They are natural extension of Ornstein-Uhlenbeck processes with stable (and Gaussian) distribution. However for the stable models the covariance is not defined therefore in order to compare the structure of dependence of Ornstein-Uhlenbeck with tempered stable and stable structure we analyze another measures of dependence defined for infinitely divisible processes such as Levy correlation cascade and codifference. We show that for analyzed processes the Levy correlation cascade goes faster to zero as in the stable case, while the codifference of the stable Ornstein-Uhlenbeck process has the same form as in the tempered case.

• Item Type: MPRA Paper
• Language: English
• Keywords: truncated Levy flight, tempered stable, Ornstein-Uhlenbeck process, structure of dependence
• Subjects: C - Mathematical and Quantitative Methods > C0 - General > C02 - Mathematical Methods

References

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