JEL Classification: С51; О32; О33 DOI: https://doi.org/10.31521/modecon.V30(2021)-26 Ratushnyak Serhiy, student of the National University of Defense of Ukraine named after Ivan Chernyakhovsky, Kiyv, Ukraine ORCID ID: 0000-0002-9008-1064 e-mail: ratushniak-fin@i.ua Filyas Maxim, student of the National University of Defense of Ukraine named after Ivan Chernyakhovsky, Kiyv, Ukraine ORCID ID: 0000-0001-8813-7965 e-mail: fmv26012011tima@gmail.com Expediency of UsingRead more