[1] Eastern Mediterranean Univ, Dept Econ, Famagusta, Turkey
[2] Univ Pretoria, Dept Econ, ZA-0002 Pretoria, South Africa
[3] Drexel Univ, Lebow Coll Business, Philadelphia, PA 19104 USA
[4] Technol Educ Inst Peloponnese, Dept Accounting & Finance, Kalamata 24100, Greece