Testing the parametric form of the volatility in continuous time diffusion models—a stochastic process approach
نویسندگان
چکیده
منابع مشابه
Stochastic volatility of volatility in continuous time
This paper introduces the concept of stochastic volatility of volatility in continuous time and, hence, extends standard stochastic volatility (SV) models to allow for an additional source of randomness associated with greater variability in the data. We discuss how stochastic volatility of volatility can be defined both non–parametrically, where we link it to the quadratic variation of the sto...
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ژورنال
عنوان ژورنال: Journal of Econometrics
سال: 2008
ISSN: 0304-4076
DOI: 10.1016/j.jeconom.2007.08.002