Suppose that in a given year--and say this is minus five and this is plus five, this is minus five and this is plus five-- suppose that in the first year in our sample, the company Shiller, Inc. and the market both did 5%.
假设某一年...这里设为-5,这里+5,这是-5,这是+5,我们假设第一年中,希勒公司.和市场都获利5%
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