TY JOUR TI Investment activities as a determinant of insurer competitiveness: empirical analysis on the example of the Russian market KW investment activity KW competitiveness KW insurance organization KW insurer KW rating JO JOURNAL OF MONETARY ECONOMICS AND MANAGEMENT AU Kaygorodova, G.N. AU Mustafina, A.A. AU Pyrkova, G.K. PY 2026 IS 0 PB ITBO University