At first, this article reviewed the Solow model and Ramsey model.Because of the vast influence of the Solow model, this article also introduced the appliance of the model.

• 首先是回顾新古典增长理论模型中的索罗模型和拉姆齐模型，因为索罗模型对增长理论的巨大影响，本文还对索罗模型的应用进行了简单的介绍。