A. A. Grigorev
St. Petersburg University of Management Technologies and Economics
Россия

Anton A. Grigorev, postgraduate student

44a Lermontovskiy Ave., St. Petersburg 190020

K. S. Martynov
St. Petersburg University of Management Technologies and Economics
Россия

Kirill S. Martynov, postgraduate student

44a Lermontovskiy Ave., St. Petersburg 190020

V. A. Plotnikov
St. Petersburg University of Management Technologies and Economics; St. Petersburg State University of Economics
Россия

Vladimir A. Plotnikov, D.Sc. in Economics, Professor,
Professor at the Department of General Economic Theory and the History of Economic Thought, Professor at the Department of Management and Public and Municipal Administration

44a Lermontovskiy Ave., St. Petersburg 190020;

21 Sadovaya St., St. Petersburg 191023