By means of Panel Co-integration Test, this article analyzes the relationship between advertising fee and sales with the sample data from 2002 to 2006.
利用中国2002年到2006年期间的相应的销售额和广告费用的样本数据，运用面板协整分析来研究广告费用对公司销售额的影响。
This paper analyzed the price discovery relationship between futures market and spot market of non-ferrous metals in China by using the method of panel co-integration.
运用面板协整方法分析我国有色金属期货市场现货市场的价格发现关系。
And according to the null hypothesis of hypothesis testing, the theory of panel unit root test and co-integration test are systemically described.
其次，按照假设检验的零假设进行分类，系统阐述面板单位根检验和协整检验理论。
And according to the null hypothesis of hypothesis testing, the theory of panel unit root test and co-integration test are systemically described.
其次，按照假设检验的零假设进行分类，系统阐述面板单位根检验和协整检验理论。
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