[1] Natl Res Univ Higher Sch Econ, Dept Finance, St Petersburg, Russia
[2] Natl Res Univ Higher Sch Econ, Int Lab Intangible Driven Econ, St Petersburg, Russia
[3] Northumbria Univ, Newcastle Business Sch, Newcastle Upon Tyne, Tyne & Wear, England
[4] RUDN Univ, Dept Finance & Credit, Moscow, Russia