A Two Stage Data Envelopment Analysis Model With Feedback And Fixed Sum Undesirable Outputs: An Empirical Study Of Provincial Carbon Emissions In China

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The new DEA method significantly enhances carbon emission efficiency across varied provinces in China.
Regions with high carbon efficiency are mainly found in eastern and western China, indicating geographical disparities.
The substage efficiency model provides insights on necessary adjustments for carbon emission credits in energy production and utilization.
Understanding these factors is crucial for decision-making in improving carbon emission efficiency nationally.

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Empirical analysis reveals that a new DEA method improves carbon emission efficiency, suggesting regional adjustments for optimization.

Fu et al. (2025) studied this question.

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