通过对传统的拉姆齐经济增长模型引入创新要素,可以改变经济增长的收敛特性。在经济增长的稳定路径上,由于创新的作用,资本的增加将改变传统的资本作用模式,导致资本的边际产出由负向转为正向,经济增长将出现多个稳定均衡点,这有力解释了各经济体经济发展存在巨大差异的现实。同时,对我国跨越中等收入陷阱提出了相关建议。 By introducing innovative elements to the traditional Ramsey economic growth model, the convergence of economic growth can be changed. In the stable path of economic growth, due to the role of innovation, the increase of capital will change the traditional capital mode of action, resulting in a shift of the marginal product of capital from negative to positive and more stable equilibrium of economic growth. Explain the fact that there are huge differences in the economic development of all economies. At the same time, it puts forward some suggestions for our country to cross the middle income trap.