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城乡收入差距拉大具有深刻的金融原因。本文首先分析了农村金融剩余外流的内外生性原因,在此基础之上,运用协整分析、因果检验以及脉冲函数等方法,对改革开放三十年来农村金融剩余外流和城乡收入差距之间的关系进行实证研究。结果显示:农村金融剩余外流和城乡收入差距正相关,而且农村金融剩余外流是城乡收入差距的Granger原因,即农村金融剩余外流拉大了城乡收入差距。
The widening income gap between urban and rural areas has profound financial reasons. This paper first analyzes the exogenous and exogenous causes of the rural financial outflow and, on the basis of this, uses the methods of cointegration analysis, causality test and impulse function to analyze the relationship between rural financial surplus outflow and rural-urban income disparity in the thirty years of reform and opening up conduct the empirical research. The results show that the rural financial surplus outflow is positively related to the urban-rural income gap, and the rural financial surplus outflow is the Granger cause of the urban-rural income gap. That is, the rural financial surplus outflow has widened the urban-rural income gap.