sales response function

But the research of sales response function stays at static model based on certain factor. The research is lack of further analysis of uncertain competitive factors, so its application is limited.

但销售反应函数的研究仍徘徊在基于可见确定因素的静态模型中，缺少对不确定竞争因素的进一步分析，使它的应用受到了限制。

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First, producing original sales response function by estimation method. Namely, we do not consider the competition and change of the external environment condition, simply to consider the change of marketing factors, which have impact on sales volume.

第一步，通过判断法求出原始的销售反应方程式，即不考虑竞争和外部环境的变化，单纯考虑营销要素的变化对销售量的影响而得到的销售反应方程式。

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