The paper finds that the payment flow will increase in mean and volatility and the right-tail index will decrease within most of the reserve ratio adjustment period.
通过对中央银行历次准备金率调整对支付流影响的研究,发现在大多数调整时段内准备金率的调整会引起支付流数值的均值与波动的增加,右尾厚尾指数降低。
参考来源 - 我国大额实时支付系统支付流统计特征分析·2,447,543篇论文数据，部分数据来源于NoteExpress
由达拉斯联储计算的“切尾均值个人消费品支出平减指数”上升了2.4%，该指数在做加权平均前，去除了上涨和下跌最多的那些价格。
The “trimmed-mean PCE deflator”, calculated by the Dallas Fed, which excludes those prices that have risen and fallen the most before taking a weighted average of the rest, is up 2.4%.
加氢裂化尾油粘度指数高，低硫、低氮、杂质含量少，倾点和粘度偏高。
The hydrocracking tail oil possesses the characteristics of higher viscosity index, pour point, viscosity and lower sulfur, nitrogen, impurity content.
使用极值理论和极值指数估计量的性质，在大样本的情况下得到序列分布“肥尾”现象的检验方法。
Some statistical test methods on "fat tail" distribution of time series are obtained by using properties of extreme value theory and extreme index estimator under large sample.
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