Impact of government environmental regulation on green innovation Influence mechanism of market-based environmental regulations on green innovation Impact of environmental regulation on firm performance Research on the effect of environmental regulation on green development efficiency Study on the impact of local government environmental regulation on industrial structure ungrading Effects of environmental regulation on employment Impact of environmental regulation on green technological innovation capability Research on the effect of environmental regulation on green total factor productivity Research on the impact of environmental regulations on green development of enterprises Research on the mechanism of environmental regulation's effect on overcapacity