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根据1993~2011年省级层面的工业增加值数据发现:在2004、2005年前后,中国制造业总体上向沿海地区集聚的趋势已经出现转折,近年来沿海地区绝大多数省份占全国的制造业份额在持续下降,但天津明显例外,其制造业份额一直持续上升。天津制造业的持续集聚与全国制造业分布的宏观格局变化可以由新经济地理学揭示的核心-边缘关系在多种空间尺度上的存在和转化得到解释。随后使用2006~2011年天津21个两位数行业的工业总产值数据进行区位商分析,指出近期天津制造业不同行业的若干集聚趋势和特征。最后提出了相关政策建议。
According to the data of industrial added value from the provincial level in 1993-2011, it is found that the trend of the Chinese manufacturing industry gathering in the coastal areas as a whole has turned into a turning point before and after 2004 and 2005. In recent years, the vast majority of the coastal provinces account for the manufacturing industry in China The share has been declining steadily, but with obvious exceptions from Tianjin, its manufacturing share has been steadily rising. The continuous agglomeration of manufacturing industries in Tianjin and the macroeconomic changes in the distribution of manufacturing industries across the country can be explained by the existence and transformation of the core-periphery relations revealed by the new economic geography at various spatial scales. Subsequently, using the industrial output data of 21 double-digit industries in Tianjin from 2006 to 2011, we analyzed the location quotients and pointed out some recent trends and characteristics of agglomeration in different industries in Tianjin’s manufacturing industry. Finally, put forward the relevant policy recommendations.