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Abstract
Based on panel data from 20 provinces in China's three major
economic regions from 2012 to 2021, this study explores the impact of
environmental regulation on green technology innovation and its spillover
effects. The results show differences in the impact of environmental regulation
on green technology innovation in different economic regions, and the
environmental regulation in the Pan-Pearl River Delta significantly promotes
green technology innovation. In contrast, the impact of environmental regulation
in the other two economic regions is not significant. The early green
technology innovation in the three major economic regions has a significant
impact on the future green technology innovation. Further using the spatial
Durbin model, it is found that environmental regulation has a positive
spillover effect on green technology innovation in the three major economic
regions. There are spatiotemporal spillover effects in green technology
innovation: there are negative temporal and spatiotemporal spillover effects in
the Bohai Economic Rim, positive temporal and spatiotemporal spillover effects
in the Yangtze River Delta, and only positive spatiotemporal spillover effects
in the Pan-Pearl River Delta.
JEL classification numbers: C10, C87.
Keywords: Green technological innovation, Technological path
dependence, Environmental regulation, Dynamic spatial Durbin model, Spatial
spillover effect.