2) no short sale
不允许卖空
1.
It has been a very difficult problem to solve Markowitz model with no short sale in finance.
对不允许卖空情况下的Markowitz模型的求解 ,在金融学里面 ,一直是个很棘手的问题 。
2.
Under the condition of no short sale,a portfolio selection problem about a company with liabilities is discussed.
讨论在不允许卖空的限制条件下负债企业的组合投资问题,建立了最优组合投资的选择模型,给出了负债企业最优的投资策略以及投资的有效边界,重点研究了有效边界的静态性质,以及当企业的负债发生变化时有效边界和最优投资策略的动态性质。
3) without short sale
不允许卖空
1.
On the basis of Markowitz s model for portfolio investement decision,this paper studies the efficient frontier of portfolio without short sale and its character,presents portfolio investement decision method under the condition of non short sale.
根据组合证券投资决策模型，研究了不允许卖空的组合证券投资的有效边界及其性质，给出了不允许卖空情况下组合证券投资决策方法。
4) without short sales
不允许卖空
1.
The paper studied mean-variance and mean-VaR models without short sales respectively,then used pivoting algorithm and sequence of quadratic programming method to solve those models.
文章研究了不允许卖空情况的均值-方差和均值-VaR两种投资组合模型,并运用不等式组的旋转算法并结合序列二次规划法进行求解。
2.
The paper respectively proposed mean-variance and mean-VaR models without short sales,then used piv- oting algorithm and sequence of quadratic programming method to solve those models.
文章提出了不允许卖空情况的均值-方差和均值-VaR 两种投资组合模型,并运用不等式组的旋转算法或结合序列二次规划法进行求解。
5) no addimission short sale
不允卖空
6) admissible phase space
允许相空间
1.
It is proved in the paper that the uniformly ultimate boundedness of solutionsimplies the existence of periodic solutions to functional differential equations with infinite delayin admissible phase space with fading memory.
本文证明了在具有衰减记忆的允许相空间中，无限时滞泛函微分方程的解的一致最终有界性蕴含了周期解的存在性。
补充资料：卖空买空
1.资本主义制度下的一种商业投机活动。投机者预测某种股票﹑公债﹑外币﹑黄金或其它货物要跌价而卖出后再买进;或预测要涨价而买进后再卖出。买卖双方都不用现货现款，只就进出之间的差价结算盈亏。亦用来比喻投机倒把的行为。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条