查询词典 utility

Considering transaction cost, Hedger's attitude to risk, variance of foreign exchange rate , with Von Neumann Morgenstern utility function and Bernoulli principle, this paper analyses optimal hedging of the foreign exchange risk during the import/export with forward/future contracts, and the influence of the above mentioned factors on the optimal hedge rate.

本文在前人研究基础上，考虑交易费用，决策人对风险的态度，汇率相对风险大小等因素，用Von Neumann- Morgenstern效用函数和 Bernoulli决策法则建立了研究利用远期/期货和约做外汇套期保值问题的一般模型，然后具体分析了一种典型情况下的最优套期保值率的性质。

This approach will enable the different investors bear the risk, and access to the corresponding rewards. The first two methods did not consider investors attitudes of risk and the expected price of the spot or futures. However, the hedger of the maximize effectiveness calculates the optimal hedge ratio through the establishment of investors utility function and calculus.

前面两类方法都没有考虑投资者的风险态度和对现货或者是期货价格走势的预期，而效用最大化套期保值通过建立投资者的效用函数，再利用微积分求最值的方法来计算最优套期保值比率。

Challenging rationality, behavior economics believes that people often use representativeness, availability, anchoring and adjustment, the law of small number in uncertain situations. It puts forward prospect theory to modify the expected utility theory and use mental accounting theory to explain money non-fungibility. And behavior economics deems that the final goal of people is hedonics.

行为经济学对传统经济学的"理性人"假设提出挑战，认为人们在不确定条件下判断依赖于代表性原则，可得性原则，锚定调整原则和小数原则；并且提出"前景理论"修正了传统的期望效用理论；提出"心理账户"理论解释金钱的"非替代性"；同时认为人类行为的终极目的是幸福最大化。

Hellcat's Pandora utility should warn you beforehand if your system board is incompatible.

恶妇的潘多拉事业应该事先警告你们，如果你的系统板是不相容的。

Of course the utility of interface is not complete hereat, act as agent for example mode.

当然接口的用途不完全于此，例如代理模式。

They are of no immediate value of the utility of tis heterocycle in synthesis.

对这个杂环化合物在合成上的应用都没有直接意义。

Toyota, the maker of the Highlander sport-utility vehicle I own, says about 38% of its customers buy extended warranties.

我开的车是丰田公司生产运动型多用途车汉兰达。该公司说约38%的客户都办理了延长保修。

Many are small hatchbacks, but there are a growing number of hulking gas guzzling sports utility vehicles.

许多是小型掀背式轿车，还有数量正在增加的笨重耗油的运动型多功能车。

This paper presents the utility, property and mathematical model of the program of network scheduling in hydroelectric engineering.

本文介绍了水利水电工程网络进度计划程序的功能、特点和数学模式。

In process of new-curriculum reform some progress and achievements have been made in the reform of exam and assessment and there exist some modality, utility and hypercorrection.

随着新一轮基础教育课程改革的不断推进，考试与评价问题成为课程改革能否取得成功的关键。在实验区，我们看到考试与评价改革工作已经取得了一定的成效：评价主体、评价标准走向多元，评价过程日益灵活，评价的发展性功能得以凸显。

If you were not , and OS X just booted normally, have no fear.

如果你没有，和OS X刚刚启动通常，没有恐惧。

I only want to preserve our all .

我只想保存好我们的一切