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2013-05-23 12:21
求翻译：OVER THE PAST TWO DECADES, researchers analyzing the structure of individual stock returns have uncovered a wide range of phenomena, both in the time series and the cross section. In the time series, the returns of a typical in¬dividual stock have a high mean, are excessively volatile, and are slightly predictable usin是什么意思？ 待解决
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OVER THE PAST TWO DECADES, researchers analyzing the structure of individual stock returns have uncovered a wide range of phenomena, both in the time series and the cross section. In the time series, the returns of a typical in¬dividual stock have a high mean, are excessively volatile, and are slightly predictable usin
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