微观市场预期价格作为一个重要变量,影响着消费者的消费行为和生产者的供给行为,商品自身价格调节的运行态势一般为市场本身供求关系所支配,在一定范围内,市场内在的运行机制“看不见的手”可以决定价格变化状况,但超出这个范围,价格商品变动将不再具有稳定性的特征,“市场失灵”就会发生. The expected market price of microcosmic market, as an important variable, affects the consumer behavior and the supply behavior of the producer. The operating situation of the commodity price adjustment is generally dominated by the supply and demand of the market itself. Within a certain range, the intrinsic operating mechanism of the market “ Invisible hand ”can determine the price changes, but beyond this range, price changes of goods will no longer have the characteristics of stability,“ market failure ”will happen.