The paper analyzed the dynamic changes of the regional income inequality in rural china a- mong 1993 to 2009 year using the coefficient of population - weighted variation, and the factors of space and sources of income causing the changes by the way of double decomposition of the space and sources of income for the population -weighted variation. The main conclusion was as follows： the regional income inequality in rural china tended to go down in general. But since 1998, the decline was small. The income inequality be- tween the eastern, central, western and northeast region of rural residents was the main factor affecting the re- gional income inequality in rural china, followed by the internal regional inequality. From the angle of the source of income, the wage income was the most important factor affecting the regional income inequality in ru- ral China, followed by the household -business income.%论文使用人口加权变异系数探析1993—2009年中国农村居民收入区域不平衡的动态变化，并通过对人口加权变异系数进行空间和收入来源的二重分解，分析这种变化的空间和收入来源影响因素。研究发现，中国农村居民收入区域不平衡程度总体上趋于下降，但自1998年以来下降幅度很小。东部、中部、西部和东北四大区域之间的农村居民收入不平衡是影响中国农村居民收入区域不平衡的主要因素，其次是这四大区域内部的不平衡。从收入来源看，工资性收入是导致中国农村居民收入区域不平衡的最主要因素，其次是家庭经营性收入。
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