TY - Journal of Guizhou University of Finance and Economics A1 - HE Xiong-lang, WANG Shu-ran T1 - Trade cost, Technology Spillover, and Environmental Pollution Y1 - 2020-09-15 JF - Journal of Guizhou University of Finance and Economics JO - Journal of Guizhou University of Finance and Economics SP - 10 EP - 23 VL - 38 IS - 05 UR - https://gcxb.gufe.edu.cn N1 - ER -