人们在消费一个产品同时也产生一个评价 ,评价的生产是有成本的。而评价又具有公共物品的特征 ,有着较强的外部性。从博奕论的观点看 ,对大多数参与者而言 ,等待直至其他人做出评价后再作决策是一个严格占优战略。因此社会存在着评价供给不足和评价顺序错误的问题 ,需要建立一种协调机制 ,以促使社会上评价有效率地生产。本文主要是研究如何合理地安排消费者的顺序 ,使得评价的社会效用最大化。 People consume a product but also produce a rating, the production of the evaluation is costly. The evaluation also has the characteristics of public goods, has a strong externalities. From a game theory point of view, it is a strictly dominant strategy for most participants to wait until others make their own assessment. Therefore, there is a problem of inadequate evaluation of the supply and the wrong order of evaluation in society, and a coordination mechanism needs to be established to promote the social evaluation to produce efficiently. This paper mainly studies how to arrange the order of consumers reasonably and maximize the social utility of evaluation.