Ilya V. Naumov
Institute of Economics of the Ural Branch of Russian Academy of Sciences, Ekaterinburg; Ural Federal University named after the first President of Russia B. N. Yeltsin, Ekaterinburg
Russian Federation

Sergey S. Krasnykh
Institute of Economics of the Ural Branch of Russian Academy of Sciences, Ekaterinburg
Russian Federation

Yulia S. Otmakhova
Central Economic and Mathematical Institute of the Russian Academy of Sciences, Moscow, Russia
Russian Federation