TY JOUR TI MECHANISM OF MANAGEMENT OF PUBLIC EXPENDITURES IN MODERN CONDITIONS KW budget KW budget regulation KW budget system of the Russian Federation KW budget income and expenses KW fiscal federalism KW budget balance KW methods of budget regulation KW interbudgetary transfers KW budget legal relations JO Scientific Bulletin: finance, banking, investment AU Bugaeva, T.N. PY 2025 IS 0 PB V.I. Vernadsky Crimean Federal University