Why is pollution embodied in Guangdong exports declining? The roles of trading scale, technology and structural changes February 1, 2021 Business & Economics, Engineering, Social Sciences Authors: Long-Ni Liang, Ming-Xu Wang and Weast-Siu Siu Journal: Resources and Environmental Economics DOI: 10.25082/REE.2021.01.002 Pub. Date: February 1, 2021