Chen M, Chen S, You J. The Impact of Carbon Emissions Trading on Corporate Environmental Performance--A Hybrid Study Based on PSM-DID and Dual Machine Learning. HBEM [Internet]. 2024 Oct. 15 [cited 2026 Aug. 26];41:640-9. Available from: https://drpress.org/ojs/index.php/HBEM/article/view/26296