1. Chor Foon Tang (corresponding author) is at the Centre for Policy Research and International Studies, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia.
2. Ali Fakih is at the Department of Economics, Lebanese American University, Beirut, P.O. Box: 13–5053, Lebanon.
3. Salah Abosedra is at the Department of Accounting and Finance, American University in the Emirates, Dubai, United Arab Emirates.