| Taking 6 counties and cities in Ningbo Area as the research units, this paper constructs the index system for evaluating the economic differences in Ningbo Area, and uses the principal component analysis method to analyze the economic differences in Ningbo Area. Result shows that Ningbo economy as a whole is more developed, and there are significant differences among regional economy. Economic development levels of Fenghua, Xiangshan and Ninghai districts are less developed, compared with those of Yinzhou, Yuyao and Cixi. |
