Zeng, Juying; Yang, Qianqian; Li, Jiehui - In: Journal of innovation & knowledge : JIK 8 (2023) 3, pp. 1-12
a mechanism innovation for precise environmental regulation in Yangtze River Delta (YRD) and constructs a multi-cutoff … regression discontinuity design to accurately measure the policy effects of multi-hierarchical EPI on air quality improvement in …
