TY - Journal of Guizhou University of Finance and Economics A1 - ZHOU Xiao, GUO Shu-hua T1 - How does digital transformation affect corporate margins-Research on mechanism and experience from the perspective of digital economy Y1 - 2023-01-15 JF - Journal of Guizhou University of Finance and Economics JO - Journal of Guizhou University of Finance and Economics SP - 32 EP - 40 VL - 41 IS - 01 UR - https://gcxb.gufe.edu.cn N1 - ER -