The Heterogeneity of High-Quality Economic Development in China's Mining Cities: A Meta Frontier Function.

Int J Environ Res Public Health · 2022 · PMC9180206 · PMID 35681958

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an obvious trendno p-value reported

However, the level of technological progress and the quality of economic development represented by total factor productivity and technological efficiency do not show an obvious trend of growth or improvement.

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