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对外开放环境是指在一定时期内影响对外开放发展的各种外部条件的总和,包括政治、经济、自然、文化等多种因素,是支撑一个地区对外开放发展的基础。本文将数据包络分析(DEA)方法应用到我国区域对外开放环境有效性的实证研究中,将影响对外开放的环境指标作为输入向量,将体现对外开放发展水平的指标作为输出向量,使用31个省、自治区、直辖市的数据,计算得出各区域的总体效率、技术效率、规模效益等,并在此基础上分析了导致我国各地区对外开放程度差异的环境因素。
The environment for opening to the outside world refers to the sum of various external conditions that affect the opening up and development for a certain period of time, including politics, economy, nature and culture. It is the basis for supporting the opening up of a region to the outside world. In this paper, the DEA method is applied to the empirical study of the environmental effectiveness of regional openness in our country. The environmental indicators that affect the opening up are taken as input vectors, and the indicators that reflect the level of opening up to the outside world are used as output vectors. Provinces, autonomous regions and municipalities directly under the central government to calculate the overall efficiency of each region, technical efficiency, economies of scale and so on, and on this basis, analyzes the environmental factors that lead to the different degrees of opening to the outside world in our country.