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本文依据协整检验和格兰杰因果检验的相关理论,利用1992～2009年江苏省苏北地区的经济数据,实证检验了FDI与苏北地区经济增长之间的关系。研究结果表明,FDI与GDP存在长期稳定的均衡关系,在短期,FDI和GDP互为Granger原因,而在长期,存在着FDI到GDP的单向因果关系。“,”Since reform and opening-up,subei has become an important region that absorb foreign capital.There are few relative studying achievements ahout how to measure the degree of FDI and economic growth in subei region of Jiangsu province.On the basis of the data from 1992-2008 in subei region,we use the theory of cointegration and Granger test of causality to analyze the relation between FDI and economic growth in subei region with evidences.We reach the conclusion that there exists a long-term equilibrium relationship between FDI and GDP.In perspective of short term,FDI and GDP are mutual Granger causality,but in a long term,FDI is Granger causality of GDP,GDP is not Granger causality of FDI.