Krasnodar FilobokAnatoliyA.Kuban State University, 149 Stavropol’skaya St., Krasnodar 350040econgeo@mail.ru Read more about Anatoliy A. Filobok RodionovaKseniyaV.Kuban State University, 149 Stavropol’skaya St., Krasnodar 350040piven_kseniya@mail.ru Read more about Kseniya V. Rodionova