Ruey Tsay Chairman, The University of Chicago Booth School of Business   Chun-houh Chen Institute of Statistical Science, Academia Sinica, Taiwan    Yi-Ting Chen Institute of Economics, Academia Sinica, Taiwan    Ching-Shui Cheng Institute of Statistical Science, Academia Sinica, Taiwan   Ray Yeutien Chou Institute of Economics, Academia Sinica, Taiwan    Jing-Shiang Hwang Institute of Statistical Science, Academia Sinica, Taiwan    Kamhon Kan Institute of Economics, Academia Sinica, Taiwan    Shin-Kun Peng Institute of Economics, Academia Sinica, Taiwan