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| How does Industrial Agglomeration of Manufacturing Industry Affect Ecological Environment? |
| Li Zhi1,2, Duan Shen1, Sun Tao1 |
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Abstract From the perspective of industrial agglomeration external effects, panel data of four industrial parks including Tianjin Nangang Industrial Zone, Yixian Science and Industry Park, Modern Industrial Park and Microelectronics Industrial Zone from 2010 to 2016 are collected, and an empirical analysis is conducted to analyze the dual effect relation between industrial agglomeration and ecological environment and reveal internal function mechanism. Results show that industrial agglomeration of manufacturing industry will have both positive and negative external effects on ecological environment, whose functional mechanism depends on two intermediary variables of green technology innovation and foreign direct investment. When the level of industrial agglomeration is low, the mediator variable green technology innovation in the influence of manufacturing agglomeration on ecological environment is not obvious, while foreign direct investment plays an intermediary role in the influence of manufacturing agglomeration on the ecological environment. That is to say, industrial agglomeration of manufacturing industry will enlarge the scale of foreign direct investment, thus imposing negative impacts on the ecological environment. On the contrary, when the level of industrial agglomeration is high, green technology innovation plays an intermediary role in the influence of manufacturing industrial agglomeration on the ecological environment. Namely, industrial agglomeration of manufacturing industry will accelerate green technology innovation, which has positive impacts on the ecological environment. However, as the mediator variable, the effect of foreign direct investment on the relationship between manufacturing agglomeration and ecological environment is not significant.
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