TY - Journal of Guizhou University of Finance and Economics A1 - CHEN Fei-fei, JIN Wei-dong, LIU Jing-fu T1 - Can R&D Expense Deduction Policy Improve the Innovation Income of Enterprises Y1 - 2022-09-15 JF - Journal of Guizhou University of Finance and Economics JO - Journal of Guizhou University of Finance and Economics SP - 73 EP - 82 VL - 40 IS - 05 UR - https://gcxb.gufe.edu.cn N1 - ER -