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利用Romer的R&D模型框架 ,对R&D部门的最优投资配置问题进行了初步探讨 .理论分析表明 ,在一定的初始条件和结构参数下 ,当给定目标为人均产出增长率最大时 ,存在唯一的最优投资路径 ;模型的数值模拟分析得出 ,R&D部门最优的投资配置系数可以趋于稳定 ,而且存在单位资本技术含量的某一阈值 ,使得最优配置系数在向稳定态发展时有不同的演化行为 .
Using the framework of Romer’s R & D model, the optimal investment allocation of R & D department is discussed in this paper.Theoretical analysis shows that under certain initial conditions and structural parameters, when the given growth rate of output per capita is the maximum, there exists a unique The optimal investment path of the R & D department is obtained. The numerical simulation of the model shows that the optimal R & D coefficient of the R & D department can be stabilized and there is a certain threshold of the technical content of the unit capital so that the optimum allocation coefficient Different evolutionary behavior.