This paper reviews and puts in context some of our recent work on stochastic volatility (SV) modelling for financial economics. Here our main focus is on: (i) the relationship between subordination and SV, (ii) OU based volatility models, (iii) exact option pricing, (iv) realized power variation and realized variance, (v) building multivariate models.
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Barndorff–Nielsen et al. (2002) studied this question.
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