METHODOLOGICAL APPROACHES TO ASSESSING THE FINANCIAL BALANCE OF THE SOLIDARITY PENSION INSURANCE SYSTEM Authors O. Bulavynets https://orcid.org/0009-0009-8695-5644 V. Bulavynets https://orcid.org/0009-0006-5403-809X DOI: https://doi.org/10.32702/2306-6814.2026.6.168 Downloads pdf (Українська) Published 2026-03-17 Issue No. 6 (2026): Investytsiyi: praktyka ta dosvid Section Статті