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文章首先使用1981~2009年的数据来测算全国28个省、市、自治区(除西藏、海南和重庆)的资本边际产出,其次从全国角度、区域角度来对其变化特征进行了分析,最后在此基础上使用1981~2009年的面板数据固定效应模型分别对全国和西北地区资本边际产出影响因素进行分析。通过分析得出如下结论:第一,全国的影响因素与西北地区的影响因素不一致。第二,西北地区劳均资本与资本边际产出也呈显著正向相关关系,市场化程度与资本边际产出呈显著负向相关关系,这都与全国情况相反;全国对外开放政策指数与资本边际产出成明显负向相关关系;西北地区基础设施建设与对外开放政策指数的估计系数都不显著。
The article first uses the data from 1981 to 2009 to calculate the marginal product of capital in 28 provinces, municipalities and autonomous regions (except Tibet, Hainan and Chongqing), and secondly analyzes the changing features from the national and regional perspectives, and finally Based on this, we use panel fixed effects model from 1981 to 2009 to analyze the influencing factors of the marginal product of capital in the whole country and the northwest of China respectively. Through the analysis, we can draw the following conclusions: First, the influencing factors in the whole country are inconsistent with the influencing factors in Northwest China. Second, there is a significant positive correlation between labor-capitals and marginal output of capital in the northwestern region, and the degree of marketization is significantly negatively correlated with the marginal product of capital, both of which are contrary to the national conditions. The index of the country’s opening-up policy and capital Marginal product into a significant negative correlation; Northwest Infrastructure Construction and Opening-up Policy Index estimated coefficient is not significant.