How dual value chain embedding affects energy efficiency in China

Since the financial crisis, especially after outbreak of COVID-19, global trade division labor has been changing rapidly. The value chain (GVC) keeps shrinking while domestic (DVC) continues to develop. Therefore, it is important re-examine impact different modes on China’s energy efficiency. In this study, we first constructed an input-output model provinces embedded in world measure dual embedding and chains. Then used a three-dimensional fixed-effect study mechanism We found that inhibits efficiency improvement promotes improvement. A series robustness endogeneity tests support these findings. heterogeneity revealed effects are more pronounced low-polluting industries, high-tech years before 2008, coastal regions. test DVC by exacerbating low-end lock-in effect, reducing environmental regulation scale efficiency, increases increasing technological progress GVC improves weakening effect technical