“…Emerging studies show that the effects of ETS on regulated firms and regions include reduced carbon emissions (Cui et al, 2021;Yang et al, 2022), improved energy efficiency and fuel switching (Zhu et al, 2022;Tan et al, 2022), technological innovation (Chen et al, 2021), reduced environmental pollution (Liu et al, 2021), economic development (Qi et al, 2021), better financial performance (Yu et al, 2022), and changes in asset structure (Dong et al, 2022). Similar impact factors and channels also apply to coal-fired power plants, despite limited research in this area.…”