经济增长理论发展到现在，模型变得日益精确与雅致，引入的变量越来越多，而且日趋内生化。一个肚纪以前的古典经济学虽然没有专门的增长理论个人称颂，但在他们的宏篇巨著中，无不闪耀着增长理论的真知灼见，如分工与效率的理论，资本对增长的理论。然而，追求形式化、数量化 Since the economic growth theory was developed to the present day, the model has become more and more precise and elegant. More and more variables have been introduced and become increasingly endogenous. Although no special theory of growth was praised by classical economics before the age of Belief, in their great works of masterpieces, all the brilliant insights of the theory of growth were shrouded in light of the theory of division of labor and efficiency, and the theory of capital for growth. However, the pursuit of formalization and quantification