The marketization of economic syste ms increase the uncertainty in income and expenditure expectations to a great degree,which leads to the cautious consump tion of consumers.

• 经济制度的市场化进程,在很大程度上增大了人们收入和支出预期的不确定性,从而使居民特别是城镇居民的消费行为趋于谨慎。