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TRANSITIONAL DYNAMICS OF AN ENDOGENOUS GROWTH MODEL WITH AN EROSION EFFECT

机译:具有腐蚀作用的内生增长模型的过渡动力学

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摘要

The convergence features of an endogenous growth model with physical capital, human capital and R&D have been studied. We add an erosion effect (supported by empirical evidence) to this model, and fully characterize its convergence properties. The dynamics is described by a fourth-order system of differential equations. We show that the model converges along a one-dimensional stable manifold and that its equilibrium is saddle-path stable, for most plausible values for the parameters. We also argue that one of the implications of considering this 'erosion effect' is the increase in the adherence of the model to data.
机译:研究了具有物质资本,人力资本和R&D的内生增长模型的收敛特征。我们在该模型中添加了腐蚀作用(有经验证据支持),并充分表征了其收敛特性。动力学由微分方程的四阶系统描述。我们表明,该模型沿一维稳定流形收敛,并且对于大多数似乎合理的参数值,该模型的平衡都是鞍形路径稳定的。我们还认为,考虑这种“侵蚀效应”的含义之一是模型对数据的依从性增加。

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