1. Uzhhorod national university,Faculty of Economics,Uzhhorod,Ukraine
2. National Technical University “Kharkiv Polytechnic Institute”,Department of General Economic Theory,Kharkiv,Ukraine
3. Universitat Pompeu Fabra,Department of Economics and Business,Barcelona,Spain
4. Institute of European Studies,Research Associate,Belgrade,Serbia
5. J. J. Strossmayer University of Osijek,Faculty of Tourism and Rural Development Pozega,Osijek,Croatia