The most intrepid investors in relative value manage hedge funds where they purchase the relatively less expensive securities and sell short the relatively more expensive ones. 它是二维的估计一种证券是否比另一种更便宜以及是否为此买进。
And the optimal hedge ratio of copper is obtained in the situation of imperfect hedge. ( 3) When a manufacturer utilizes a long-term contract and a spot market for a multi-period purchase, the optimal procurement strategy in multiple periods is analyzed. 制造商利用长期合约与现货市场进行多周期采购时,分析了多周期的最优采购策略。