1. Department of Finance and Accounting, Faculty of Economic Sciences, Ovidius University of Constanta, 900001 Constanta, Romania
2. Department of Economics, Faculty of Economic Sciences, Ovidius University of Constanta, 900001 Constanta, Romania
3. Department of Public Management, National School for Political and Administrative Studies, 30A Expozitiei Bdl., 012104 Bucharest, Romania
4. Academy of Romanian Scientists, Ilfov Street 3, 050094 Bucharest, Romania