最终消费支出与社会消费品零售总额、固定资本形成与全社会固定资产投资、货物和服务净出口与贸易差额这三组指标的联系是,长期内每组对应指标的总体关系比较稳定,相关性较强,变化趋势基本一致。其区别是每组对应指标的增长率或增速在某些时期会出现一定的反差,并非具有完全的可替代性。 The link between the final consumer spending and the total retail sales of social consumer goods, the formation of fixed capital and the fixed asset investment of the whole society, the net exports of goods and services and the trade balance are that the overall relationship of each set of corresponding indicators in the long term is relatively stable and the correlation is relatively Strong, the trend of change is basically the same. The difference is that there is a certain contrast between the growth rate or growth rate of corresponding indicators in each group, which is not completely substitutable.