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.
在讨论证券投资者的无差异曲线和所面对的证券组合有效集(有效界面)的基础上，提出一种选择最佳证券组合的方法。
This paper discusses the security investor's indifference curve and it's efficient set of Portfolio. On the base, it gives out a method to select the best Portfolio.
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