In this paper we study the detailed distributional properties of integrated non-Gaussian OU (intOU) processes. Both exact results and approximate results are given. We emphasise the study of the tail behaviour of the intOU process. Our results have many potential applications in financial economics, for OU processes are used as models of instantaneous volatility in stochastic volatility (SV) models. In this case an intOU process can be regarded as a model of integrated volatility. Hence the tail behaviour of the intOU process will determine the tail behaviour of returns generated by SV models.
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Paper provided by Economics Group, Nuffield College, University of Oxford in its series Economics Papers with number
2001-W1.
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Ole E. Barndorff-Nielsen & Neil Shephard, 2001.
"Normal modified stable processes,"
Economics Papers
2001-W6, Economics Group, Nuffield College, University of Oxford.
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