1. Department of Mass Communications and Media Business, Financial University under the Government of the Russian Federation, Leningradsky Prospekt 49, 125993 Moscow, Russia
2. Institute of Economics, Finance and Management, Togliatti State University, Belorusskaya str. 14, 445667 Togliatti, Russia
3. Department of Trade and Finance, Faculty of Economics and Management, Czech University of Life Sciences Prague, Kamýcká 129, Prague 6, 165 00 Prague, Czech Republic