[1] Taras Shevchenko Natl Univ Kyiv, Dept Innovat & Investment Management, Kiev, Ukraine
[2] Taras Shevchenko Natl Univ Kyiv, Dept Econ Cybernet, Kiev, Ukraine
[3] West Ukrainian Natl Univ, Ternopil Volodymyr Hnatiuk Natl Pedag Univ, Ternopol, Ukraine
[4] Vane Javakhishvili Tbilisi State Univ, European Univ, Tbilisi, Georgia
[5] Acad Labour Social Relat & Tourism, Enterprise Econ & Management Dept, Ternopol, Ukraine