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词汇 Pareto improvement
分类 英语词汇 英语翻译词典
释义

Pareto improvement

中文百科

帕累托最优 Pareto efficiency

(重定向自Pareto improvement)
Example of Pareto frontier, given that lower values are preferred to higher values.  Point C is not on the Pareto Frontier because it is dominated by both point A and point B.

帕雷托最优英语:Pareto optimality),或帕雷托最适,也称为帕雷托效率英语:Pareto efficiency),是经济学中的重要概念,并且在博弈论、工程学和社会科学中有着广泛的应用。与其密切相关的另一个概念是帕雷托改善。

帕雷托最优是指资源分配的一种理想状态。给定固有的一群人和可分配的资源,如果从一种分配状态到另一种状态的变化中,在没有使任何人境况变坏的前提下,使得至少一个人变得更好,这就是帕雷托改善。帕雷托最优的状态就是不可能再有更多的帕雷托改善的状态;换句话说,不可能再改善某些人的境况,而不使任何其他人受损。

英语百科

Pareto efficiency 帕累托最优

(重定向自Pareto improvement)
A production-possibility frontier is an example of a Pareto Efficient
Frontier. The connected line of red points represents Pareto optimal choices of production before the addition of point N.
Example of a Pareto frontier. The boxed points represent feasible choices, and smaller values are preferred to larger ones. Point C is not on the Pareto Frontier because it is dominated by both point A and point B. Points A and B are not strictly dominated by any other, and hence do lie on the frontier.

Pareto efficiency, or Pareto optimality, is a state of allocation of resources in which it is impossible to make any one individual better off without making at least one individual worse off. The term is named after Vilfredo Pareto (1848–1923), an Italian engineer and economist who used the concept in his studies of economic efficiency and income distribution. The concept has applications in academic fields such as economics, engineering, and the life sciences.

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