TY JOUR TI FROM STAFF COSTS TO HUMAN CAPITAL INVESTMENTS: HOW THE APPROACH TO EMPLOYEE EVALUATION HAS CHANGED KW human capital KW personnel management KW employee development investments KW assessment of labor potential KW knowledge economy KW strategic resource management KW labor standardization JO MOSCOW ECONOMIC JOURNAL AU Volkova, N.V. AU Karmanova, T.S. PY 2026 IS 10 PB Electronic science