1. Faculty of Economics & Management , Free University of Bozen-Bolzano , Piazza Università 1, 39100 Bolzano , Italy
2. CIRCLE, University of Lund , Lund , Sweden
3. Blekinge Institute of Technology , Sweden
4. Business Administration , Lund University , Lund , Sweden
5. Department of Political Science , University of Pisa , Italy
6. Department of Business Management , University of Johannesburg , Johannesburg , South Africa