Barndorff-Nielsen, Ole E.; Veraart, Almut E. D. - School of Economics and Management, University of Aarhus - 2009
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...