1. Department of Economics and Management, Business School, Cherepovets State University, Sovetskiy Avenue 10, Cherepovets 162600, Russia
2. Department of Commodity Science and Expertise, Plekhanov Russian University of Economics, Stremyanny Lane 36, Moscow 117997, Russia
3. Department of Organization and Technologies of Service Activities, Institute of Tourism, Service and Creative Industries, Southern Federal University, 23-ja Linija Street 43, Rostov-on-Don 344019, Russia