[1] Kozminski Univ, Dept Finance, Ul Jagiellonska 57-59, PL-03301 Warsaw, Poland
[2] Northumbria Univ, Newcastle Business Sch NBS, Dept Accounting & Financial Management, City Campus East, Newcastle Upon Tyne NE1 8ST, Tyne & Wear, England
[3] Univ Pretoria, Dept Financial Management, Private Bag X20, ZA-0028 Pretoria, South Africa
[4] Univ Cape Town, Dept Finance & Tax, ZA-7700 Cape Town, South Africa
[5] Univ Lodz, Fac Econ & Sociol, Dept Capital Market & Investments, Ul POW 3-5, PL-90255 Lodz, Poland