[1] Natl Acad Sci Ukraine, Inst Econ & Forecasting, P Myrnogo St 26, UA-01011 Kiev, Ukraine
[2] Sumy State Univ, Dept Int Econ Relat, Rimsky Korsakov St 2, UA-40007 Sumy, Ukraine
[3] Coll Mazovia Innovat Univ, Econ Dept, Sokolowska St 161, PL-08110 Siedlce, Poland
[4] Estonian Entrepreneurship Univ Appl Sci, Suur Sojamae St 10a, EE-11415 Tallinn, Estonia
[5] Univ Bielsko Biala, Fac Management & Transport, Willowa St 2, PL-43309 Bielsko Biala, Poland
[6] Univ Lodz, Dept Insurance, Pres Gabriela Narutowicza St 68, PL-90136 Lodz, Poland