Efficiency measurement and inefficiency analysis of low-carbon logistics in the Beijing-Tianjin-Hebei region, China.

Heliyon · 2024 · PMC11076906 · PMID 38720743

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an increasing trendno p-value reported

First interval: TFP ∈ [1, +∞] Hebei and Beijing fall within this interval, indicating an increasing trend in both cities' total factor productivity.

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