JEL Classification: D92; G3; L10 DOI: https://doi.org/10.31521/modecon.V30(2021)-14 Yemelyanov Oleksandr, Doctor of Economics, Associate Professor, Professor of the Department of Business Economics and Investment, Lviv Polytechnic National University, Lviv, Ukraine ORCID ID: 0000-0002-1743-1646 e-mail: Oleksandr.Y.Yemelianov@lpnu.ua Petrushka Tetyana, PhD in Economics, Associate Professor, Associate Professor of the Department of Business Economics and Investment, Lviv Polytechnic National UniversityRead more