Cheong Fatt Ng0000-0002-5241-4884Chee Keong Choong0000-0003-3981-4450Lin Sea Lau2024-10-222024-10-222020-03-23https://doi.org/10.1007/s11356-020-08351-whttps://dspace-cris.utar.edu.my/handle/123456789/4285Environmental Kuznets curve hypothesis: asymmetry analysis and robust estimation under cross-section dependencejournal-article