Eliyathamby A Selvanathan is the Director of the Economics Policy Analysis Program (EPAP) and Professor of Econometrics in the Economics and Business Statistics Discipline at Griffith University, Queensland, Australia. Saroja Selvanathan is a Professor of Econometrics in the Economics and Business Statistics Discipline at Griffith University, Queensland, Australia. Maneka Jayasinghe is the Head of the Business discipline and Senior Lecturer in Economics at the Asia Pacific College of Business and Law at Charles Darwin University, Darwin, Australia.