TY JOUR TI Analysis and assessment of the development prospects of PJSC Polyus in the context of global economic and political turmoil KW Polyus PJSC KW price dependence KW offshore schemes KW sanctions risks KW shadow mining KW market manipulation KW operational discounts JO JOURNAL OF MONETARY ECONOMICS AND MANAGEMENT AU Nikul'nikov, N.V. AU Stefanova, N.A. AU Korolev, A.A. PY 2025 IS 0 PB ITBO University