The article USES VECM, ADF Test, Johansen Test, Granger Causal Relation Test, Impulse Response Function to accurately measure the process that the variables influence each other in the system.

通过对时间序列建立向量误差修正模型，运用单位根检验、协整检验、格兰杰因果关系检验、脉冲响应函数等方法精确地度量系统中变量之间相互影响的动态过程。

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This paper uses unit root test model, co-integration test model and Granger Causal test model, to analyze the relation between international tourism and economic growth of Guilin.

运用动态计量经济学的单位根检验模型、协整分析模型、因果关系检验模型，以桂林市为例，对国际旅游业和地方经济增长之间的动态关系进行了实证分析。

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