1 | Department of Economics, University of Economics in Bratislava, Slovak Republic |
2 | Faculty of Social and Economic Relations, Alexander Dubček University of Trenčín, Trenčín, Slovak Republic |
3 | Department of Economics and Finance, Russian-Armenian (Slavonic) University, Yerevan, Armenia |
4 | Faculty of Management and Economics, Tomas Bata University in Zlin, Zlín, Czech Republic, Czech Republic |