基于产业结构视角的云南省县域经济差异研究

Disparities of Country Economy at Yunnan Province in China Base on the Perspective of Industrial Structure

基于云南省1992～2012年统计年鉴数据，采用偏离份额分析、基尼系数产业分解方法，分析产业结构演变对云南省县域经济差异的影响。结果表明：云南省县域经济差异受到产业结构偏离和竞争偏离影响较大，滇中县域在产业结构上优势显著，但相对竞争力较弱。滇西和滇南县域竞争优势明显，但不具结构优势；最近10a来，滇东县域在产业结构、竞争力方面占优，与滇西和滇南县域的差异拉大；从基尼系数产业分解结果看，第二产业是导致云南省县域经济差异扩大的首要因素。此外，第三产业对县域经济差异贡献不断加大，对县域发展不平衡影响日益凸显；产业基尼系数变化分解结果揭示，产业集中效应扩大了县域经济差异，而结构效应则可以缩小县域经济差距，据此提出以产业结构调整来协调县域经济发展的政策建议。

The purpose of this article is to study the influence of industrial structure on the economic inequalities among counties at the less developed Yunnan Province in China. In the process of modernization, the country economy is the basic element of national economy and the ties of city with rural economic. Nowadays, Chinese economic operation of the prominent contradictions such as the regional inequality mostly is reflected in regional scale at countries. Therefore, it is necessary to discuss the county economic difference in order to coor- dinate regional development. Yunnan as a frontier, ethnic, mountainous and poor district, it is located in the western inland and one of the most imbalanced areas with regional development in China. After studied the literatures, we found the academia has not discussed the country economy from the perspective of industrial structure in Yunnan Province. So this article takes the shift share analysis and Industry decomposition of the Gi- ni coefficient methods, based on the data of statistical yearbook, to analyze the evolution of industrial structure effecting county economic difference in Yunnan Province. The results show that： the economic disparities of counties affected by the deviation of industrial structure and competition greatly, the eastern counties of the in- dustrial structure have a significant advantage, but the relative competitive advantage is weak, the western and southern counties have more competitive advantage, but less structural disadvantages than the eastern counties. In recent years, the eastern counties are dominant in the industrial structure, competitiveness, and the difference between the western and southern county are widened; the results from the decomposition of the Gini coefficient of industry indicate that the secondary industry is the leading factor causing the county economy difference. In addition, the tertiary industry contributes to increase county economic difference and its impacts on county economic difference has become increasingly prominent; also the change of industrial Gini coefficient decomposition reveals that the industry concentration effects to expand the county economy divergence but the structure effect can reduce the economic disparity. Finally, some well-directed policy recommendations and measures are provided to coordinate the county economic development.