博弈论里面的 帕累托最优状态 （Pareto Optimality）是指当社会达到已经无法在不使（至少）一个人的境况变坏的情况下，使另一个人的境况变好。
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帕累托非最优状态 Pareto non-optimality
However, it also refers to the security. And from the economic analysis, the non-causation of negotiable instruments can reduce the cost of the trade and enhance the economic efficiency, so it accords with the Pareto optimum.
票据无因性意在平衡票据的流通与安全,票据无因性将票据的流通置于最为重要的位置,并非没有兼顾到票据交易的安全,而是票据作为一种流通手段,其流通性作用是其能满足消费者的第一效用,而且从经济学的角度分析来看,票据无因性能够降低交易成本,提高整个社会的经济效率,符合帕累托最优状态。
参考来源 - 对我国票据法关于票据无因性之思考·2,447,543篇论文数据，部分数据来源于NoteExpress
而种种均衡利益博弈的结果究竟是不是达到了帕累托最优状态，这也是我们在对产权拍卖机制进行设计时所要慎重考虑的重要前提之一。
But whether the results of all these equilibriums can come to Pareto Optimality or not are still one of the most important premises when we are designing the transaction system of property rights.
从博弈理论的角度来看，“激励相容”达到的是一个“纳什均衡”状态，这是达到帕累托最优的必要条件。
Seen from the perspective of game theory, "incentive compatibility" has reached the state of "Nash balance", the necessary condition to reach Pareto Optimality.
一方面，帕累托最优是指没有进行帕累托改进的余地的状态；另一方面，帕累托改进是达到帕累托最优的路径和方法。
On the one hand, Pareto optimal Pareto is no room for improvement in the state; on the other hand, Pareto improvement is achieved Pareto optimal routes and methods.
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