首先，我们检验了不含人口年龄结构变量的消费函数模型，并对结果进行了简要的分析。

First, we examined consumption function model which doesn't contain the age structure of population variables and we conduct a brief analysis.

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然后，我们对分别含有人口年龄结构变量，即各年龄段人口所占总人口的比重的四个消费函数模型进行了检验。

Then, we examine the consumption function model that includes the population age structure variables which is the population of all ages the proportion of the total population share.

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对彩票业的消费需求行为进行了研究，用消费者效用函数模型分析了彩民购买彩票的这一看似不理性的行为。

The behavior of consumer demand for lottery has been researched. And the lottery purchasing action that seems unreasonable was analyzed with the use function of consumer.

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