效用

基本解释 (translations)

avail  ·  boot  ·  utility  ·  availed  ·  availing

与效用相关的网络例句 [注：此内容来源于网络，仅供参考]

Math: any binary relation that is complete, transitive, and continuous can be represented by a continuous real-valued utility function

效用指数，效用函数的存在性：理性是必要条件；连续性是充分条件，效用函数也是连续函数。

The user's utility is a function of his data throughput, thus the bandwidth resource utilization problem is modeled as a utility based constrained maximization problem, called a system problem.

通过设置站点吞吐量的对数效用函数，将带宽资源的有效利用问题建模为系统效用最大化问题；应用最优化理论将此系统问题等效为可分布式求解的用户问题，即各站点只须独立选择最大化其净效用的竞争参数，则系统整体效用也获得最大化。

Chapter six presents such new concepts as margin utility contribution force, profit-risk exchange rate, state-expectation-variance utility function, long-term expectation-variance utility curve and optimal portfolio expansion curve. The state-expectation-variance analytical method is developed from the expectation-variance analytical method. The changing rate of profit-risk exchange rate to state variable is used to define and distinguish the decreasing, constant and increasing relative risk aversion. A decomposition formula about the margin contribution force of holding wealth to state-expectation-variance utility function is displayed. The decomposition formula demonstrates that the contribution force of investors' holding wealth to their utility is composed of the pure contribution force of holding wealth and the investment contribution force bronght about through investment portfolio.

第六章提出了边际效用贡献力、收益—风险替换率、状态—期望—方差效用函数、长期期望—方差效用曲线、最优证券组合扩展线等新概念；把期望—方差分析方法发展成状态—期望—方差分析方法；用收益—风险替换率对状态变量ω的变化率来定义和区分递减、定常、递增相对风险厌恶；获得了持有财富对状态—期望—方差效用函数的边际贡献力的分解式，该分解公式表明投资者的持有财富对他的效用的贡献力由持有财富本身的纯贡献力和持有财富通过投资证券组合所产生的投资贡献力所组成。

Through assuming the income is the function to the individual effort and the educational investment in the growth period, endogen the income into the model, and add the spiritual utility that brought by education level of three generations and the cost of individual effort into the utility function, thus more deeply analyze the problem of family education choice under the intergenerational transfer and intergenerational utility.

通过设定收入是成长期个人努力和教育投入的函数，把收入内生到模型中，并在效用函数中加入三代人的教育水平带来的精神效用，以及个人努力的成本，从而更深入的分析了存在代际转移和代际效用的家庭教育选择问题。

In chapter two, under non-Lipschitz condition, the existence and uniqueness of the solution of the second kind of BSDE is researched, based on it, the stability of the solution is proved; In chapter three, under non-Lipschitz condition, the comparison theorem of the solution of the second kind of BSDE is proved and using the monotone iterative technique , the existence of minimal and maximal solution is constructively proved; in chapter four, on the base of above results, we get some results of the second kind of BSDE which partly decouple with SDE, which include that the solution of the BSDE is continuous in the initial value of SDE and the application to optimal control and dynamic programming. At the end of this section, the character of the corresponding utility function has been discussed, e.g monotonicity, concavity and risk aversion; in chapter 5, for the first land of BSDE ,using the monotone iterative technique , the existence of minimal and maximal solution is proved and other characters and applications to utility function are studied.

首先，第二章在非Lipschitz条件下，研究了第二类方程的解的存在唯一性问题，在此基础上，又证明了解的稳定性；第三章在非Lipschitz条件下，证明了第二类BSDE解的比较定理，并在此基础上，利用单调迭代的方法，构造性证明了最大、最小解的存在性；第四章在以上的一些理论基础之上，得到了相应的与第二类倒向随机微分方程耦合的正倒向随机微分方程系统的一些结果，主要包括倒向随机微分方程的解关于正向随机微分方程的初值是具有连续性的，得到了最优控制和动态规划的一些结果，在这一章的最后还讨论了相应的效用函数的性质，如，效用函数的单调性、凹性以及风险规避性等；第五章，针对第一类倒向随机微分方程，运用单调迭代方法，证明了最大和最小解的存在性，并研究了解的其它性质及在效用函数上的应用。

The great tour purchasing power is the drive power of promoting the region's tourism developmentln the regional space, scale economic and regional separation are one of the basic characteristics of promoting tourism industry, So we must arrange the regional tourism industry with a systematic method and give prominence to the central city. For its outstanding area in the regional space, central city has evident superiority in the regional ecnomic development, and has echelon between central city and its periphery scennic spots, which is the inducement mechanism of tourism industry's arranging, developing and advancing step by step. For the law of diminishing marginal utility and the theory of equilibrium, the max utility equilibrium of tourism consumption be at the point of tangency of undiscrepancy curve and the cost budget curve.

中心城市居民巨大的出游力是拉动其周边旅游地发展重要的内在驱动力；由于地缘关系，区域规模经济与地域分割并存，是旅游产业运动的一个基本特征，为此必须对区域旅游经济进行系统化布局，突出中心城市的产业中心性；因其区位条件独特，中心城市在区域经济发展中居于明显的优势，与周边城乡部位存在经济发展上的梯次性，这种梯次性是区域旅游生产力布局、产业发展梯次传动，最终整体联动的经济诱导机制；根据边际效用递减规律和旅游者最大效用均衡理论，旅游消费效用最大化的均衡在无差异曲线与开支预算线的切点(即旅游目的地选择的最佳位置)上，且随着边际效用递减，目的地选择的最佳位置向远离中心城市方向移动，这就是中心城市与周边旅游地互动关系的经济学解释。

Without utility function, group preference relation on alternative set was constructed in this paper by means of efficient numbers of a lternatives, which are described by Pareto efficient solutions of a group of mul tiobjective decision making problems respectively considered by decision makers.

一些学 者曾借助群体效用函数引进群体多目标决策问题有关效用解的概念，并且给出若干求解的方法。本文撇开效用函数的介入，直接依据由各多目标决策问题的Pareto有效解表示的供选方案的有效数，引进了决策群体在供选方案集上的偏爱关系。

According to the logical approach, the providing of the analysis hypothesis before the model construction is necessary. For example, the hypothesis of rational man and utility identity are for the convenient analysis, the hypothesis that the rich utility is smaller than the poor utility is for the importance of the third distribution.

按照逻辑方法，模型构建之前的分析假设的给出是必要的，比如关于"经济人"假设和效用归一假设等是为了分析的简便而作出的，关于富人效用小于穷人的效用假设是给出了第三次分配的意义所在。

Innovation achievements of this dissertation are mainly in the content and the method, namely: presents the content of EAP thoroughly and systematically; reviews the cost, utility and empirical studies of EAP; investigates the cost and utility of EAP theoretically, conducts the typical survey of the EAP implementation of a domestic enterprise; establishes multivariate linear regression equation of EAP utility; sets up an allocation model of EAP cost through Analytic Hierarchy ProcessThis dissertation\'s conclusion is that EAP cost is related to the time and frequency of EAP used by employee under the fixed cost, the tendency of using EAP is related to demographic characteristics and other factors, the utility of EAP is related to the personal preference of using EAP at least, the utility of EAP is leastwise related to 7 factors, the relationship with the supervisor is the most important factor in the workplace, personal health is the largest part of EAP cost.

本文的创新成果主要是内容上的创新和方法上的创新：对EAP的内容进行了全面、系统的梳理；对EAP的成本、效用和实证研究进行了综述；对EAP的成本、效用进行了理论上的探讨；对国内企业实施EAP的情况进行了典型调查；建立了EAP效用的多元线性回归方程；用层次分析法建立了EAP的成本分摊模型。本文得出的结论是：在固定成本不变的情况下，EAP的成本与员工使用EAP的时间及次数有关系；EAP的使用倾向与人口统计学特征和其它因素有关；EAP的效用至少与个人对EAP的使用偏好有关；EAP的效用至少与7个因素相关；与上级的关系是工作场所中最重要的因素；个人的身体健康是EAP成本中花费最大的部分。

This paper presents the portfolio selection problem of two-attribute money and creates a model of portfolio selection based on two-attribute money, which can both contain the existing portfolio models and overcome the above-mentioned deficiencies. A series of new concepts is put forward, such as, holding wealth, obtainable wealth, short-term utility function, short-term expectation-variance utility function, state-expectation-variance utility function, short-term expectation-variance utility curve, long-term expectation-variance utility curve, margin utility contribution force, additional contribution force, profit-risk exchange rate and optimal portfolio expansion curve; The state-expectation-variance analytical method is developed from the expectation-variance analytical method; A set of systematic theories concerning two-attribute portfolio selection is thus established.

本文提出了两属性货币的证券组合选择问题；创建了既能包含现有证券组合选择模型又能克服上述两点不足的两属性证券组合选择模型；提出了持有财富、可获财富，短期效用函数，短期期望—方差效用函数、状态—期望—方差效用函数，短期期望—方差效用曲线、长期期望—方差效用曲线，边际效用贡献力，附加贡献力，收益—风险替换率，最优证券组合扩展线等一系列新概念；把期望—方差分析方法发展成状态—期望—方差分析方法；建立了两属性证券组合选择模型的一套系统的理论。

与效用相关的网络解释 [注：此内容来源于网络，仅供参考]

composite utility function：复合效用函数

旅游体验效用:the tourism experience utility | 复合效用函数:composite utility function | Expected utility的例句:

Disutility：负效用

效用分为正的效用(Utility)和负效用(Disutility). 消费者剩余(Consumer's Surplus)是指消费者愿意为商品支付的价格与其实际支付价格的差额. 3.需求表(Demand Schedule)和需求曲线(Demand Curve:DD)3.供给表(Supply Schedule)与供给曲线(Supply Curve:SS)1、均衡的含义和均衡分析方法,

Disutility：反效用

disuse 不被使用 | disutility 反效用 | disutility 负效用

Disutility：反效用 负效用

disusehandicap 废用性缺陷 | disutility 反效用 负效用 | disymmetry 两侧辐射对称 双对称

expected utility：期望效用

艾勒悖论(Allais Paradox)另释艾勒悖论违背了期望效用(Expected Utility)理论的独立性(independence)原则,成为欲推翻期望效用理论的杠杆."齐当别"抉择模型不将风险决策行为看成是追求某种"最大期望值"的抉择反应,

expected utility：預期效用

如何评价不确定的收益所带来的效用是效用价值理论应用于金融分析时所必须解决的难题,这一难题在1944年冯纽曼和摩根斯坦(Von Neumann and Morgenstern, 1944)提出预期效用(Expected Utility)理论之后得以解决.

utility maximization：效用极大化

utility index :效用指数 | utility maximization :效用极大化 | utility possibility curve :效用可能性曲线

ordinal utility：序数效用

130,序数效用(Ordinal utility) 在序数的意义上可以度量的效用是序数效用,这表明一个消费者只能根据各种市场篮子给他带来的满足来 给这些市场篮子排序.

marginal utility：边际效用,边限效用,限界效用

marginal user cost 边际使用者费用 | marginal utility 边际效用,边限效用,限界效用 | marginal utility analysis 边际效用分析

place utility：地域效用

中介机构所担负的工作,就是利用存入(买入)水资源与贷出(卖出)水资源,使水资源在不同地点及时间移转,创造水资源的地域效用(place utility)与时间效用(time utility),当然也要根据用水标准的不同,水资源展现出不同的形式效用(form utility).