So, we're talking about a group of funds that in aggregate probably produced somewhere in the low teens returns and he's got 11.7% per year combined survivorship bias and backfill bias.
因此我们说这组基金总体上,大概产生了略高于10%的收益率,他算出的数字是每年11.7%,结合了生存偏差和回填偏差。
At the front of the supermarket a charity group had set up a stand selling cooked sausages and flowers to raise funds.
一个慈善机构在一个大超市的前面设立了一个卖熟香肠和鲜花的摊位来筹集资金。
A group of the largest hedge funds receive closer scrutiny, including monitoring visits, from the authorities.
最大的对冲基金集团则受到从官方的更严格的监督,包括指导性拜访。
So,we're talking about a group of funds that in aggregate probably produced somewhere in the low teens returns and he's got 11.7% per year combined survivorship bias and backfill bias.
因此我们说这组基金总体上,大概产生了略高于10%的收益率,他算出的数字是每年11.7%,结合了生存偏差和回填偏差
He looked at a group of hedge funds that numbered 331 in 1996 and by 2004,eight years later, 75% of them had disappeared.
他取样了一组对冲基金,是1996年的331支,到8年后的2004年,其中的75%都消失了
Roger Ibbotson took a look at a larger group of funds -3,500--funds over a ten-year period and found survivorship bias at 2.9% per year and backfill bias at 4.6% per year.
罗杰·伊博森研究了更大的样本组,3500支基金10年间的表现,算出其生存偏差是每年2.9%,回填偏差是每年4.6%
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