基于PCA的县域经济竞争力评价——以川南四市28个区县为例

Evaluation of County Economic Competitiveness Based on PCA Method: A Case Study of 28 Counties in 4 Cities of Southern Sichuan Basin

采用主成分分析方法(PCA),对川南四市28个区县的县域经济竞争力进行了综合研究,结果表明:(1)县域之间发展水平参差不齐,第一位的翠屏区和最后一位的珙县综合得分极差较大;(2)区位条件较好的县域发展水平较高,而区位条件和交通状况较差的县域,其发展水平相对滞后;(3)从整个川南地区来看,其经济发展水平潜力很大,县域经济发展水平虽然极差较大,但排名相邻的区县间差距并不大,而且得分在0以下的区县共有17个,远多于得分在0以上的区县,呈现出中低水平聚集状态。在此基础上,针对竞争力较差的区县存在的问题提出相应的解决措施,并对整个川南地区县域经济发展给出政策建议。

By using Principal Components Analysis （PCA） to calculate the comprehensive score and to rank four cities （Zigong, Neijiang, Luzhou, Yibin） in southern Sichuan basin, a reasonable economic competitive evaluation index system is constructed. Based on the data analysis and discussion, the results show that： （1） Counties have different development levels.Cuiping district, the best district and Gongxian County, the last district have great range incomprehensive score. （2） The county with better location is in higher level of development, and the counties with poor regional and traffic conditions are relatively slow in development.（3） From the whole of southern Sichuan, it has great potential of economic development. Althoughthere is discrepancy between different counties, the development level difference betweenadjacent counties is small. Besides, 17 counties＇ scores are under 0, much more than those above O＇s. It shows a middle and low level of aggregation state. The paper then puts forward policy recommendations for the county economic and social development in the whole South Sichuan.