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) http://www.unbc.ca Second Author: Ajit Dayanandan University of Northern British Columbia dayanana@unbc.ca   Economics Program, UNBC, 3333 University Way Prince George, V2N 4Z9, Canada   250-960-6484(Phone) 250-960-5545(Fax) http://www.unbc.ca