1. Bao Han, Teng Tangwei, Hu Senlin et al., 2022. Spatial differentiation and influencing factors of urban green innovation efficiency in Yangtze River Delta. Resources and Environment in the Yangtze Basin, 31(2): 273–284. (in Chinese)
2. Che Lei, Bai Yongping, Zhou Liang et al. 2018. Spatial pattern and spillover effects of green development efficiency in China. Scientia Geographica Sinica, 38(11): 1788–1798. (in Chinese)
3. Chen Minghua, Liu Wenfei, Wang Shan et al., 2020. Spatial-temporal differentiation of urban eco-efficiency in the Yangtze River Economic Belt and its driving factors. China Population Resources and Environment, 30(9): 121–127. (in Chinese)
4. Chen X, Chen Y, Huang W L et al., 2023. A new Malmquist-type green total factor productivity measure: an application to China. Energy Economics, 117: 106408. doi: https://doi.org/10.1016/j.eneco.2022.106408
5. Cheng M L, Wen Z G, Yang S L, 2022. The driving effect of technological innovation on green development: dynamic efficiency spatial variation. Environmental Science and Pollution Research, 29(56): 84562–84580. doi: https://doi.org/10.1007/s11356-022-21431-3