算术平均收益率
- 网络arithmetic average rate of return;Arithmetic Mean
算术平均收益率-
由于证券是一种连续投资，算术平均收益率并不能完全反映投资的收益情况，而几何平均期望收益率才能反映连续投资的实际收益。
The arithmetic mean expectation model is not able to measure the income of portfolio investment correctly as bonds are a kind of successive investment , but the geometric average expectation can measure the income of successive investment .
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IPO长期业绩的早期研究以算术平均的累计调整收益率为指标，发现我国新股存在着长期超额报酬。
By equal-weighted CAR , former researches on the long-run performance of Chinese IPOs have found that IPOs in Chinese stock exchanges outperform index in the three years after going public .