Zeng, Juying; Yang, Qianqian; Li, Jiehui - In: Journal of innovation & knowledge : JIK 8 (2023) 3, pp. 1-12
This study takes the central, provincial and municipal Environmental Protection Interviews (multi-hierarchical EPI) as …-cutoff regression discontinuity design to accurately measure the policy effects of multi-hierarchical EPI on air quality improvement in ….5, PM10 and NO2. Moreover, there were great differences in the policy effects of the multi-hierarchical EPI for air quality …
