TY JOUR TI Financial security of the Russian national economy in the context of geopolitical transformation and technological sovereignty KW financial security KW national economy KW de-dollarization KW technological sovereignty KW two-circuit model KW investment activity KW budget deficit KW gold and foreign exchange reserves JO JOURNAL OF MONETARY ECONOMICS AND MANAGEMENT AU Belotelova, Z.S. AU Magomedbekov, G.U. PY 2025 IS 0 PB ITBO University