First Author:   Joseph Macri Macquarie University jmacri@efs.mq.edu.au   Department of Economics, North Ryde Sydney, 2109, Australia   612-98509469(Phone) 612-98509469(Fax) Second Author: Dipendra Sinha Macquarie University and Ritsumeikan Asia Pacific University dsinha@apu.ac.jp   1-1 Jumonjibaru, Beppu, Oita-ken , 874-8577, Japan   81-977-78-1214(Phone) 81-977-78-1123(Fax)