%0 Journal Article %T An Asymmetric Smooth Transition GARCH Model %A Zheng-Feng Guo %A Lingyan Cao %J IAENG International Journal of Applied Mathematics %D 2011 %I International Association of Engineers (IAENG) %U http://www.iaeng.org/IJAM/issues_v41/issue_4/IJAM_41_4_10.pdf