Chaliuk, Y. 2026. LONGEVITY CONOMICS IN THE CONTEXT OF ENTROPIC DEVELOPMENT: INDEX ASSESSMENT OF COUNTRIES’ READINESS AND INNOVATIVE LABOR LIFE- CYCLE MODELS. Current Problems of Sustainable Development. 3, 1 (Jan. 2026), 124–134. DOI:https://doi.org/10.60022/3(1)-15S.