https://www.selleckchem.com/pr....oducts/gsk1838705a.h
The mechanism of how environmental regulations (ERs) affect export sophistication (ES) is complex, and for many years, it has been a hot topic for researchers. However, few previous studies have focused on whether ERs can promote the upgrading of China's ES through foreign direct investment (FDI). To address this research gap, in this study, ERs, FDI, and ES were incorporated into one novel research framework. Based on the provincial panel data of China for the period ranging from 2004 to 2016, the system generalized method of momen