Kawakatsu, Hiroyuki Numarical integration based Gaussian mixture filters for maximum likelihood estimation of asymmetric stochastic volatility models J8302 2007 - 2007 - 342-358 V. 10 Issue. 2 Subjects--Topical Terms: Econometrics Subjects--Index Terms: Stochastic volatility;Nonlinear filtering;Leverage effect;Numericalintegration;Mixture gaussian;