针对预期收益率与风险损失率为模糊数时，建立了一种具有模糊系数的证券组合投资选择模型。
A optional model of portfolio investment with fuzzy-coefficient in which profit rates and risk rates are fuzzy Numbers is presented in this paper.
旨在通过建立投资者多心理账户权重的确定方法，用以改进传统的行为证券组合理论(BPT)。
Its studied for improving the traditional behavioral portfolio theory (BPT) by dealing with weights of investors multiple mental accounts.
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.
二是基于相关机会规划模型：投资者首先确定一个收益目标，然后寻找证券组合以最大概率实现目标。
In portfolio selection model based on dependent-chance programming, we maximize the probability of the event that the total return rate is not smaller than a predetermined value.
伟大的投资者不仅仅是购买了广泛的证券组合，然后希望得到一个好结果。
Great investors don't just buy a broad portfolio of securities and then hope for a good result.
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.
市场中性-证券对冲：股票投资组合入股同样长，短，一般在市场相同的部门。
Market Neutral - Securities Hedging: Invests equally in long and short equity portfolios generally in the same sectors of the market.
市场中性-证券对冲：股票投资组合入股同样长，短，一般在市场相同的部门。
Market Neutral - Securities Hedging: Invests equally in long and short equity portfolios generally in the same sectors of the market.
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