[1] Ahmed Bin Mohammed Mil Coll ABMMC, Management Dept, POB 22988, Doha, Qatar
[2] Univ Castilla La Mancha, Fac Social Sci, Dept Business Adm, Av Alfares 44, Cuenca 16071, Spain
[3] Dalhousie Univ, Fac Management, Rowe Sch Business, 6299 South St, Halifax, NS B3H 4R2, Canada