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- Optimization of the Mean Semi - absolute Deviation Portfolio Selection Model with the Restricted Short Selling Based on the Pivoting Algorithm 限制性卖空的均值-半绝对偏差投资组合模型及其旋转算法研究
- the restricted short selling 限制性卖空
- We proposed a mean variance portfolio selection model with the restricted short sales.The model was a convex quadric programming problem and was solved by the pivoting algorithm. 摘要本文提出了限制性卖空的均值-方差投资组合模型，通过变量替换将该模型转变为一般二次规划问题，从而运用不等式组的旋转算法进行求解。
- But as a permanent fixture this rule would be an unhelpful drag, restricting short selling's role in greasing the market's wheels and aiding price discovery. 但作为一项永久性规定，它会成为毫无帮助的累赘，并限制卖空操作在润滑市场车轮、协助价格发现方面发挥的作用。
- What are you doing in the restricted area? 你在禁区里做什么？
- The extent of the restricted zone. 表明限制区范围。
- The restricted areas are marked by orange pennons. 不对公众开放的地区由橘黄色三角旗标了出来。
- The registry path of the Restrict Anonymous? 注册表到达?
- But in the second model, short selling is not permitted. 第一节建立了允许卖空条件下的不考虑交易费用的证券组合投资优化模型，第二节建立了不允许卖空条件下的不考虑交易费用的证券组合投资优化模型。
- Short selling is disruptive speculation that requires someone else to lose. 买空卖空是破坏性很大的投机勾当，总要导致损人利己的结果。
- Short Selling is considered a necessary part of an ??? operating market. 卖空被当作是高效率运作市场的重要一部分。
- The restricted short sales 限制性卖空
- The police checked the restricted area thoroughly. 警方彻底地检查了管制区。
- The judge enjoined him from selling alcohol. 法官禁止他卖酒。
- He managed to twist himself round in the restricted space. 他设法在有限的空间内转过身来。
- Synthetic Put An investment strategy of short selling a security and entering a long position on its call. 合成出售期权卖空一种证券以及买空该证券期权的投资策略。
- The man was in danger when he walked into the restricted area. "当这人走入禁区时,他已深陷危险中。"
- Even in the bearish market decline, Soros also give a short selling skills after the big bucks. 即使是在市场下滑的熊市中,索罗斯也以其精湛的卖空技巧而大赚其钱。
- The second goal in the restricted area was Ujfalusi trip. 第二个入球，在禁区内被乌伊法鲁西绊倒。
- The Fund has leveraged lending and short selling combination of the investment strategy. 该基金实行卖空和杠杆借贷相结合的投资策略。
