1. Departament of Statistics and Econometrics, The Bucharest University of Economic Studies, Bucuresti, Romania
2. Department of Agro-Food and Environmental Economics, The Bucharest University of Economic Studies, Bucuresti, Romania
3. Department of Business, Consumer Science and Quality Management, Faculty of Business and Tourism, The Bucharest University of Economic Studies, Bucuresti, Romania
4. International Business and Economics Department, The Bucharest University of Economic Studies, Bucuresti, Romania