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Quarticity and other functionals of volatility: efficient estimation
semimartingale high frequency data volatility estimation central limit theo-rem efficient estimation
2012/9/19
We consider a multidimensional It坥 semimartingale regularly sampled on [0,t] at high frequency 1/∆n, with ∆n going to zero. The goal of this paper is to provide an estimator for the integr...