Spatiotemporal evolution patterns of the coupling of carbon productivity and high-quality economic development in China.

However, Moran’s I has demonstrated a decreasing trend over time, suggesting growing heterogeneity in CP across provinces also highlighted significant regional disparities in CP across China.

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ym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$X = (r_{ij} )_{m \times n} (i = 1,{ }2, \ldots ,{ }m;j{ } = { }1,{ }2,{ } \ldots { },{ }n)$$\end{document} If the indicator has a positive trend, 6 \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$r_{ij} = \frac{{x_{ij} - \min x_{ij} }}{{\max x_{ij} -

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