RT Journal T1 The impact of business diversification on performance of commercial banks-Mediating effect based on risk taking A1 WANG Xin-xin PB Journal of Guizhou University of Finance and Economics FD 2021-07-15 YR 2021 JF Journal of Guizhou University of Finance and Economics JO Journal of Guizhou University of Finance and Economics VO 39 IS 04 SP 65 DO K1 commercial bank;business diversification;performance;risk taking LK {https://gcxb.gufe.edu.cn/EN/article/article_9288.shtml}