1、引言多数发展理论认为总合的储蓄率是增长进程的决定性前提条件。与对长期增长基本的资本约束相比,要么没有认识到总合的需求问题要么假定它只是暂时性的问题。对外贸易机会仅仅受制于储蓄供给,它有足够大的弹性以维持经济的增长;因而在解释增长时并没有把部门供 1. Introduction Most development theories hold that the aggregate saving rate is the decisive precondition for the growth process. Compared with the basic capital constraint on long-term growth, either failed to recognize that the aggregate demand problem either assumes it is a temporary problem. Foreign trade opportunities are constrained only by the supply of savings, which is flexible enough to sustain economic growth; therefore, it does not explain the growth in the supply of sectors