conducted an EE study focusing on cultivated land utilization and found that the EE of cultivated land utilization in the Yangtze River Economic Belt showed a trend of first decreasing and then increasing 29 .
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Research on eco-efficiency of provinces along the Belt and Road in China based on DEA methods and AI prediction algorithms.
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The sentences
From the decomposition results, EC showed a decreasing trend over the study period, averaging 0.991 and decreasing at an annual rate of 0.9%.
It was shown that the distribution of EE between regions had become more dispersed, and the absolute differences were widening, showing a clear trend of polarization.