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Our next step in the optimal efficient portfolio analysis is to maximize the Sharpe "reward to risk" ratio.

下一步是需要进行最优的有效组合分析以最大化夏普的"回报-风险"比例。

The assumption of this study is bull market and bear market. On the basis of these two portfolios, we give those two different weights, and make use of traditional Sharpe Index to compare the portfolio performance.

本研究假设仅存在多头市场与空头市场这两状态，在这两状态下的投资组合分别给予不同的权重，最后利用传统的夏普指标来比较投资组合的绩效。

In the Sharpe ratio2 of the entire portfolio of the foundation.

Dr.eye：政策档案夹的变化的总的效应将是小的基础的整个档案夹的夏普ratio2的增加。

The relation between short sale and investment portfolio is introduced in the third chapter.

本章研究了在允许卖空的条件下投资组合模型的构建和解法。

This article introduces the research condition of the modern Portfolio theory China under no addimission conditions and analyses the usage of short sale.

介绍资产组合理论在我国的研究情况，分析卖空在模型中的作用，求解不允许卖空条件下含风险证券和无风险证券的马克维兹模型的树形算法。

According to the fact situation that short sale is not allowed, we increase the lower and upper bound constraint of portfolio return.

3根据不允许买空卖空的实际情况，增加了组合收益上下限约束。

I passed many years of professional training and theory into the university to enhance knowledge, according to campaign biological mechanics, sports psychology theory, from a shot-put athletes Huabu final forceful convergence with the key elements of starting and design a closely related special training methods, and orderly portfolio formation against the strong, effective and comprehensive system as a whole marked.

本人通过多年的专业训练和进大学后理论知识的加强，根据运动生物力学、运动心理学原理，从构成铅球运动员滑步与最后用力衔接的关键要素出发、设计了与之密切相关的专项训练手段，并进行有序的组合，形成针对行强、且综合功效显著的系统整体。

Mr Shroff's job included "programme trades", where a bank helps a client sell an entire portfolio or a significant chunk of one .

史洛夫的职责还包括"程序交易"，即银行帮助客户将资产组合全部售出或售出其中的大部分。

In the example cited in the FSA's final notice on the case, Mr Shroff knew the exact contents of a client's portfolio and sent trades into the market in the same stocks ahead of the execution time for that client's holdings.

FSA在关于此案的最后一份告示中引用了一个例子，MR.SHROFF清楚客人资产组合的具体内容，在客户执行指令前，抢先在市场上交易相同的股票。这些交易导致了客户资产组合中80%的股价在交易前会对客人不利。

He has also been shuffling GE's portfolio to boost growth.

他还同时重组了通用的投资组合以推动增长。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。