%0 Journal Article %T Investment Activity of Russian Non-State Pension Funds: Trends, Opportunities, and Prospects %A Sidorov, I.Y. %A Kalacheva, E.A. %K private pension fund, pension system, investment portfolio, formation of an investment portfolio, management of an investment portfolio %J Bulletin of Kemerovo State University. Series: Political, Sociological and Economic sciences %D 2022 %N 7 %P 12 %I Kemerovo State University