TY JOUR TI MATHEMATICAL FOUNDATIONS OF TOOLS FOR ANALYZING INFLATION RISK FACTORS KW statistical analysis KW mathematical tools KW sampling analysis KW exploratory analysis KW statistics JO MOSCOW ECONOMIC JOURNAL AU Paraskevopulo, O.R. AU Gelmiyarova, V.N. AU Svischeva, A.L. AU Manaenkova, T.A. PY 2025 IS 10 PB Electronic science