1. Department of Applied Economics and Quantitative Analysis, Faculty of Business and Administration, University of Bucharest, Bucharest, Romania
2. The Department of Management, Marketing and Business Administration, Faculty of Economics and Business Administration, Alexandru Ioan Cuza University of Iași, Iași, Romania
3. The Department of Social Sciences and Humanities, Institute of Interdisciplinary Research, Alexandru Ioan Cuza University of Iași, Iași, Romania