TY JOUR TI MODELING ACTIVE LONGEVITY UNDER ECONOMIC SANCTIONS KW active longevity KW population aging KW demographic dependency KW life expectancy KW economic sanctions KW index modeling KW econometric modeling KW public policy KW quality of life of older adults JO MOSCOW ECONOMIC JOURNAL AU Lobuzov, A.A. AU Muzylev, N.V. PY 2026 IS 11 PB Electronic science