Modeling Long-Range-Dependent Gaussian Processes with Application in Continuous-Time Financial Models

Jiti Gao

    Research output: Contribution to journalArticlepeer-review

    19 Citations (Scopus)

    Abstract

    This paper considers a class of continuous-time long-range-dependent Gaussian processes. The corresponding spectral density is assumed to have a general and flexible form, which covers some important and special cases. For example, the spectral density of a continuous-time fractional stochastic differential equation is included. A modelling procedure is then established through estimating the parameters involved in the spectral density by using an extended continuous-time version of the Gauss-Whittle objective function. The resulting estimates are shown to be strongly consistent and asymptotically normal. An application of the modelling procedure to the identification and modelling of a fractional stochastic volatility is discussed in some detail.
    Original languageEnglish
    Pages (from-to)467-482
    JournalJournal of Applied Probability
    Volume41
    Issue number2
    DOIs
    Publication statusPublished - 2004

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