结果表明沪深股指波动存在着明显的杠杆效应和星期效应。
The conclusion is that the leverage effect and week effect is obvious for waving of in the Shanghai and Shenzhen stock index.
日历效应是指证券市场出现的在某一特定时间进行交易可以获得超额收益率的现象，它的表现形式主要有星期效应和月份效应。
Calendar effects mean that market returns associate with the specific transaction date in stock market, there re two important forms: day of the week effects and month of the year effects.
这些手段的净效应是能够在几个星期内生成几年中才能度量出的MT BF数字。
The net effect of these tricks is to be able to generate MTBF Numbers measured in years in just a few weeks.
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