从一般经济规则来看,运输供给与需求双方在实现的交易中都各得其利,用户已经得到了消费者剩余,按照消费者剩余不变的准则,用户经济成本就是供给方将来运输价格的极限。但从社会进步、行业发展的角度来看,这种认识显然是不适宜的。因为用户现实得到的消费者剩余是建立在现实经济 From the perspective of the general economic rules, both the supply and demand of transport have their own advantages in the transactions realized, and the consumers have obtained the surplus of consumers. According to the criterion of constant consumer surplus, the economic cost of the users is the future transportation cost of the suppliers limit. However, from the point of view of social progress and development of the industry, such understanding is apparently not appropriate. Because the user’s actual consumer surplus is built on the real economy