First Author:   Baotai Wang University of Northern British Columbia wangb@unbc.ca   Economics Program, UNBC, 3333 University Way Prince George, V2N 4Z9, CANADA   (250)960-6489(Phone) (250)960-6489(Fax) Second Author: Tomson Ogwang Brock University togwang@brocku.ca   500 Glenridge Avenue St. Catharines, L2S 3A1, CANADA   (905)688-5550 ext. 4696(Phone) (905)688-6388(Fax)