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本文尝试分析美国生产类进口商品对各投入行业的增长效应。在分析过程中,把生产类进口商品分成5种类型,以5种类型的生产类进口商品为投入品,构建它们所对应行业的分配结构,回归估计其主要分配部门的产出弹性系数。分析结果显示,不同类型的生产类进口商品所表现出的行业增长效应差异性较大。按生产类进口商品统计量显著的样本数累计加总,美国受进口影响而增长的行业达到35个,这就意味着,在美国投入产出表中所列示的65个行业(部门)中,有53.8%的行业在进口的作用下产生了正的增长效应,并且有10个行业受到了至少两种生产类进口商品的影响。
This article attempts to analyze the growth effects of US manufacturing imports on various industries. In the process of analysis, the imported products of production are divided into five types, five kinds of imported products are used as inputs, and the distribution structure of their corresponding industries is constructed. The output elasticity coefficient of the main distribution sectors is estimated by regression. The results of the analysis show that different types of production-oriented imported goods show different growth effects in the industry. As the cumulative number of notable samples of production-based imported goods statistics aggregated, the number of industries in the United States that grew under the influence of imports hit 35, which means that in the 65 industries (sectors) listed in the US IOI , 53.8% of the industries had a positive growth effect under the effect of imports and 10 sectors were affected by at least two kinds of production-related imports.