研究有效风险证券组合集与有效证券组合集的构造与性质。
It also studies the structures and properties of the set of the efficient risk -portfolio or the efficient portfolio.
结果表明，该模型所确定的最佳证券组合为M - V有效证券组合。
The results show that optimal portfolio determined by this model is M-V efficient portfolio.
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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