价格指数的下降是市场因素的调整行为引起的。
The fall in the index is a technical revaluation of the market.
多数经济学家认为居民消费价格指数（CPI）的计算方法才是正确的，因为这个公式模仿了那些购买数量很少而价格却相对比较高的物品的消费者的行为。
Most economists think that the CPI method is the right one, because its formula mimics the behaviour of consumers, who buy less of a product that is becoming relatively dearer.
检验结果表明：偏态分布在描述股票指数及股票价格结构的行为特征上优于当前国际上常用的对数正态分布。
We have got the conclusion from the fiducial test, that the partial distribution is better than the lognormal distribution used commonly describing the structure of stock prices.
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