Jude I Iziga HOKKAIDO UNIVERSITY, SAPPORO, JAPAN   Kita 9 Nishi 7, Kita-ku, Sapporo, Japan SAPPORO, HOKKAIDO 060-0809 JAPAN   izigaj@gmail.com             JEL Areas: O4 : Economic Growth and Aggregate Productivity: General O5 : Economywide Country Studies: General