By using cointegration, Grainger Granger causality test, impulse response function and variance decomposition method, this paper selects the time series data of foreign direct investment, cumulative foreign direct investment and economic growth of 1985 - 2009 years in Xinjiang, and empirically analyzes the relationship between foreign direct investment and economic growth. Analysis results indicate that the economic contribution of the cumulative foreign direct investment is more apparent. In the long term, when the foreign direct investment is influenced under a certain shock, the economic de-velopment of Xinjiang will be changed in the same direction with a small range. From the perspective of the variance contri-bution, the contribution degree of foreign direct investment to Xinjiang's economic growth is minor.%选取1985-2009年间新疆外商直接投资、累计外商直接投资与经济增长的时间序列数据,运用协整、格兰杰因果关系检验、脉冲响应函数和方差分解方法对外商直接投资与经济增长之间的关系进行实证分析.分析结果表明:累计外商直接投资对经济的带动作用更大.从长期来看,当外商直接投资受到某一冲击作用发生变化时,能够带动新疆经济发展水平同方向小幅度变动,从方差贡献度来看,外商直接投资对新疆经济增长的贡献度小.
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