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基于江苏省1978～2009年经济增长率与收入差距面板数据,探讨了在不同经济发展水平下的收入差距与经济增长关系是否存在一致性问题。对江苏省收入差距与经济增长率数据经平滑处理后,运用江苏省、苏北、苏南通过面板协整分析,结果表明苏北地区的经济增长率与收入差距存在正相关的双向Granger因果关系,但是苏南地区的经济增长率与收入差距存在负相关的单向Granger因果关系。
Based on the panel data of economic growth rate and income disparity in Jiangsu Province from 1978 to 2009, this paper discusses whether there is consistency in the relationship between income disparity and economic growth at different levels of economic development. After smoothing the income gap and economic growth rate in Jiangsu Province, using panel cointegration analysis in Jiangsu Province, northern Jiangsu and southern Jiangsu, the results show that there is a positive two-way Granger causality between the economic growth rate and income gap in northern Jiangsu Province However, there is a negative one-way Granger causality between the economic growth rate and income gap in southern Jiangsu.