RT Journal T1 Whether national innovative city construction can promote carbon emission efficiency-Theoretical construction, mechanism analysis and spatial effect evaluation A1 YANG Peng-yu PB Journal of Guizhou University of Finance and Economics FD 2023-03-15 YR 2023 JF Journal of Guizhou University of Finance and Economics JO Journal of Guizhou University of Finance and Economics VO 41 IS 02 SP 93 DO K1 innovative city pilot;carbon emission efficiency;multiphase differential model;space decay law LK {https://gcxb.gufe.edu.cn/EN/article/article_9397.shtml}