Research on the heterogeneity of impact of Double-Credit Policy based on Double Difference Model
Based on the domestic and foreign automobile industry policy research and related theories,this paper takes the monthly production data of China's passenger vehicle enterprises from 2016 to 2020 as the research object,a double-difference model was constructed to quantitatively assess the impact of the double-integral approach on state-owned and joint ventures,and whether the affiliated enterprises have the relationship to build a double-difference model to quantify the impact of the dual-integral policy on the heterogeneity of state-owned enterprises and joint ventures,affiliated enterprises.The results show that the implementation of the double-integral policy can significantly improve the production of low-fuel-consumption vehicles in state-owned enterprises and enterprises with capital-related parties,but the impact has a lag At the same time,the implementation of the policy will significantly increase the production of new energy vehicles by state-owned enterprises.Based on this,some policy suggestions are put forward,such as encouraging the upgrading of automobile energy-saving technology and optimizing the new energy integration mechanism.
double credit policyenergy-saving vehiclesnew energy vehiclesdifference-in-difference model
NETL
NSTL
万方数据
维普
