1. Tomas Bata University in Zlín , Center for Applied Economic Research , Zlín (Czech Republic )
2. Tomas Bata University in Zlín , Faculty of Management and Economics , Zlín (Czech Republic )
3. Institute of Technology and Business , Faculty of Technology , České Budějovice (Czech Republic )
4. Alexander Dubček University in Trenčín , Faculty of Social and Economic Relations , Trenčín (Slovak Republic )