Chapter two , we described the income disparity objectively and carried on the analysis of different stages . chapter three , we made comparative analysis of the income disparity between urban and rural residents among provinces by using linear regression and correlation analysis from the view of spatial distribution and time series . as to the reasons that made the synchronous and asynchronous income disparity change between provinces and whole country , we also made elementary analysis 第三章,對各省城鄉(xiāng)居民收入差距進(jìn)行了省區(qū)間比較的實證分析,采用了回歸分析和相關(guān)性分析的方法,從空間分布和時間序列變化兩個方面對省區(qū)間的城鄉(xiāng)居民收入差距進(jìn)行了初步研究,揭示了城鄉(xiāng)居民收入差距在空間布局以及時間序列變化上的不同步性;同時,還對形成這種空間不平衡和時間變化不同步的原因進(jìn)行了初步探討。