我国城乡居民收入差距扩大是制约社会总需求的关键性因素。在社会总收入不变的情况下,贫富过于悬殊,收入过多地分配于较富裕阶层,不仅影响了农民的消费需求,而且更大幅度地降低了社会总消费需求;由于投资乘数与消费倾向正相关,收入集中于边际消费倾向较低的城镇居民,降低了社会 The widening income gap between urban and rural residents in our country is the key factor restricting the total social demand. In the case of a constant total social income, the disparity between the rich and the poor and the excess income allocated to the more affluent sectors not only affect the consumer demand of peasants, but also greatly reduce the total social consumption demand. Since the investment multiplier and The propensity to consume is positively correlated with the incomes of urban residents with a lower marginal propensity to consume and lower the social