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Abstract Accelerating industrial green development is an important part of promoting the highquality development of the Yangtze River Economic Belt.Using SBMDDF model and Luenberger analysis method, the total industrial productivity of urban industrial greens in 108 cities and above along the Yangtze River Economic Belt was measured, and the contribution of technological innovation was investigated.The Tyre index, convergence analysis and spatial autocorrelation method were used to test the area.Differences and space overflows.The study found that the industrial green total factor productivity of the Yangtze River Economic Belt is generally on the rise, technological innovation and technological scale efficiency are important driving forces for industrial green development; urban industrial green total factor productivity along the Yangtze River Economic Belt presents significant spatial heterogeneity and space.Spillover effect, but as the spatial distance increases, the spatial spillover effect gradually declines.To promote the industrial green development of the Yangtze River Economic Belt, we should comprehensively apply differentiated measures to promote industrial technology innovation, accelerate common technology research and development, cooperative R&D and promotion, and further improve the industrial green total factor productivity of the Yangtze River Economic Belt.
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