[1] Univ Punjab, Dept Econ, Lahore 54590, Pakistan
[2] Univ Educ, Dept Econ & Business Adm, Lahore 54000, Pakistan
[3] Univ Craiova, Fac Econ & Business Adm, Dept Finance Banking & Econ Anal, Craiova 200585, Romania
[4] Univ Brunei Darussalam, Sch Business & Econ, BE-1410 Darussalam, Brunei
[5] Constantin Brancusi Univ Targu Jiu, Fac Econ Sci, Targu Jiu 210185, Romania
[6] Univ Craiova, Fac Econ & Business Adm, Craiova 200585, Romania