1. Department of Economics and Business, Graduate School of Creative Industries, Innovation and Business, Volga Region State University of Service, Gagarina Str. 4, Togliatti 445017, Russia
2. Institute of Design, Tourism and Social Technologies, Volga Region State University of Service, Gagarina Str. 4, Togliatti 445017, Russia
3. Department of Trade and Finance, Faculty of Economics and Management, Czech University of Life Sciences Prague, Kamýcká 129, 165 00 Prague, Czech Republic