查询词典 portfolio selection

In this paper, we analyse the impact of investment horizon on the optimal portfolio selection.

本文试图分析这种不同的选择是否对投资组合理论的实证结果产生影响。

A portfolio selection model with transaction costs under the constraint of higher moments such as skewness and kurtosis was discussed.

讨论了有交易费用的、包括偏度和峰度在内的高阶矩约束的多目标最优投资组合选择模型。

A minimax principle is employed to investigate portfolio selection in a frictional market. An analytical solution to the related problem is derived.

利用极大极小原则研究摩擦市场中的一类投资组合问题，给出了解析解。

In this paper , the author chiefly adopt the method of interval number linear programming to study the portfolio selection problem under uncertain states .

本文的第一章作者首先介绍了证券组合投资的基本概念；其次综述了证券组合投资的研究概况；最后总结了本文研究的主要内容及其重要意义。

The theory of portfolio selection is always one of main fields of the financial research.

投资组合选择理论一直是金融问题研究的主要领域之一。

With the development of various risk measurements, there are all sorts of portfolio selection's models available.

随着风险度量标准的不断发展，各种各样的投资组合选择模型不断出现。

This dissertation studies optimization models and algorithms in portfolio selection problem.

本文研究证券投资组合的优化模型与算法。

An example is given to illustrate that the new models can be used efficiently to solve portfolio selection problems.

最后用一个具体例子验证了模型的合理性和有效性。

This dissertation is devoted to dynamic portfolio selection based on stochastic programming.

本文重点研究了基于随机规划模型的动态投资组合选择问题。

The aim of portfolio selection is to achieve more profit with less risk.

证券投资的最根本目的在于获取利益。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。