自十九大报告明确提出高质量发展的目标后，我国经济开始逐步进入高质量发展阶段。我国西部地区资源丰富，地域辽阔，但人口稀少，自身积累不足等缺陷使其经济发展相对滞后。虽然在西部大开发战略的促进下获得了一定的改善，但目前整体经济发展仍存在很多问题。为充分发挥西部地区在地理位置、劳动力成本、农牧业产品以及矿产资源等方面的优势，通过对西部地区经济高质量发展水平的评价分析，准确把握目前发展的总体情况以及存在的问题，同时分析西部各省域经济高质量发展的时空演变规律，对于促进西部地区经济高质量发展具有重要意义。

通过梳理国内外相关研究文献，依据经济高质量发展理念，选取“创新、协调、绿色、开放、共享”五个维度，共30个指标构建了西部地区经济高质量发展的评价指标体系；以2006-2020年为研究区间，运用改进型熵值法测度了经济高质量发展的细分指数和综合指数；通过对比分析和聚类分析，对西部地区经济高质量发展水平进行综合评价；从时间和空间两个角度剖析了西部地区经济高质量发展的演变规律。研究发现，综合来看，不同省份经济高质量发展总体水平存在差距；从五个细分维度上来看，各省在创新和开放发展两个维度上差距较大，但在绿色、共享和协调发展三个维度上差距较小。西部各省份经济高质量发展可以聚类为三种类型：四川属于高层次发展区域，重庆、陕西和广西三个省份属于中等层次发展区域，而其余七个省份同属于低层次发展区域。在时序演变方面，西部地区经济高质量发展取得了显著成效；各省份相对发展速度趋向平缓，并且相对发展速度存在较大差异；各省份发展水平的变异系数呈扩大趋势。在空间演变方面，各省份实现了从较低层次到较高层次的跃迁，并且在空间上表现出一定的聚集性，相互间具有正向的空间自相关关系，呈现正向聚集特征。

在以上分析的基础上，本文从五个方面提出了推动西部地区经济高质量发展的对策建议：培育高技术产业，保护知识产权，提升创新水平；顺应产业发展规律，推进城镇化进程，增强发展的协调性；树立环保理念，倡导绿色低碳发展，保持增长的可持续性；把握发展契机，参与全球竞争，构建开放新格局；完善社会保障体系，创造就业机会，增进人民福祉。

Since the report of the 19th National Congress of the Communist Party of China clearly stated the goal of high-quality development, my country's economy has gradually entered the stage of high-quality development. The western region of my country is rich in resources and has a vast territory, but its economic development is relatively lagging due to its sparse population and insufficient accumulation. Although some improvements have been made under the promotion of the Western Development Strategy, there are still many problems in the current overall economic development. In order to give full play to the advantages of the western region in terms of geographical location, labor cost, agricultural and animal husbandry products, and mineral resources, through the evaluation and analysis of the high-quality economic development level of the western region, we can accurately grasp the overall situation of current development and existing problems. At the same time, analyzing the temporal and spatial evolution of the high-quality economic development of the western provinces is of great significance for promoting the high-quality economic development of the western region.

By sorting out relevant research literature at home and abroad, and based on the concept of high-quality economic development, five dimensions of "innovation, coordination, green, openness, and sharing" are selected, and a total of 30 indicators are used to construct an evaluation index system for high-quality economic development in the western region; Taking 2006-2020 as the research period, the improved entropy method is used to measure the subdivision index and comprehensive index of high-quality economic development; Through comparative analysis and cluster analysis, comprehensively evaluate the high-quality economic development level of the western region; This paper analyzes the evolution law of high-quality economic development in the western region from the perspectives of time and space. The study found that, on the whole, there is a gap in the overall level of high-quality economic development in different provinces; From the perspective of the five subdivision dimensions, the provinces have large gaps in the two dimensions of innovation and open development, but smaller gaps in the three dimensions of green, shared and coordinated development. The high-quality economic development of the western provinces can be clustered into three types: Sichuan belongs to the high-level development area, Chongqing, Shaanxi and Guangxi belong to the medium-level development area, and the remaining seven provinces belong to the low-level development area. In terms of time series evolution, the high-quality economic development in the western region has achieved remarkable results; the relative development speed of each province tends to be flat, and there is a big difference in the relative development speed; the coefficient of variation of the development level of each province shows an expanding trend. In terms of spatial evolution, provinces have achieved a transition from a lower level to a higher level, and show a certain degree of aggregation in space, with a positive spatial autocorrelation relationship between them, showing positive aggregation characteristics.

On the basis of the above analysis, this paper puts forward countermeasures and suggestions to promote the high-quality economic development of the western region from five aspects: Cultivate high-tech industries, protect intellectual property rights, and improve the level of innovation; Comply with the laws of industrial development, promote the process of urbanization, and enhance the coordination of development; Establish the concept of environmental protection, advocate green and low-carbon development, and maintain the sustainability of growth; Seize development opportunities, participate in global competition, and build a new pattern of opening up; Improve the social security system, create employment opportunities, and improve people's well-being.

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