相对瞬间模型，价值效应作用的时间范围较长，于是乎，采用这个模型的投资者买入时恰逢采用瞬间模型的投资人卖出。
The value effect works on a much longer time horizon than momentum, so that investors using those models may be buying what the momentum models are selling.
本论文详尽介绍了经济增加值的理论知识及价值评估模型，以期为我国投资者在评估上市公司内在价值时提供有益的帮助。
The thesis introduced theory and value-evaluated model of Eva at large for help the investor to evaluate the listed company's internal value.
在本模型中综合考虑了证券组合的收益，风险，交易费用等因素，对投资者选择有效证券组合有一定的实用价值。
The profit rate, investment risk and transaction cost are synthetically considered in this new model, which is very useful in the portfolio selection.
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