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。
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。
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