Measurement Research on Commodity Market Segmentation in the Pearl River Delta

This article uses the relative price method to calculate the commodity market segmentation index of the Pearl River Delta cities from 2000 to 2017, revealing the evolution trend of the Pearl River Delta regional market segmentation. The results show that the commodity market segmentation index of the Pearl River Delta from 2000 to 2017 showed an overall downward trend with slight fluctuations in some specific years. The phenomenon of commodity market segmentation in Zhongshan, Zhuhai, and Huizhou was the most serious, the market segmentation degree of Zhaoqing and Jiangmen was the lowest, Shenzhen's continued downward trend was the most obvious, and the market segmentation degree on the west coast was more serious than that of the