1. Academic and Research Institute of Business, Economics and Management, Sumy State University, 40007 Sumy, Ukraine
2. Institute of Economic Research, Slovak Academy of Sciences, 811 05 Bratislava, Slovakia
3. Faculty of Management, Lublin University of Technology, 20-618 Lublin, Poland
4. Department of Business Administration, Busan University of Foreign Studies, Busan 46-234, Republic of Korea
5. Faculty of Public Administration and Business, WSEI University, 20-209 Lublin, Poland
6. Faculty of Economics and Management, West Ukrainian National University, 46027 Ternopil, Ukraine
7. Faculty of Commerce, University of Economics in Bratislava, 852 35 Bratislava, Slovakia