First Author:   David E Giles University of Victoria, Canada dgiles@uvic.ca   P.O. Box 1700, STN CSC Victoria, V8W 2Y2, Canada   +1-250-721-850(Phone) +1-250-721-850(Fax) http://web.uvic.ca/~dgiles Second Author: Hui Feng Department of Economics, Business and Mathematics, King''''s University College, UWO hfeng8@uwo.ca   London, N6A 2M3, Canada   +1-519-433-3491x4435(Phone)