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将城市化作为一种背景因素,基于潜类别模型对传统的C-D生产函数进行了扩展,以联动地看待城市化、要素投入对地区经济产出的作用,为理解城市化进程对经济产出的作用机制提供了新的视角。结果显示:随着城市化的推进,经济产出关于物资资本、人力资本、资源消耗的弹性不断变化;各投入要素间的产出弹性变动趋势呈现差异性;城市化率的提升有效推动了产出的增加,但是其对经济增长的促进作用呈现边际递减的态势。基于此,认为城市化初期至中期相对快速、后期相对慢速的城市发展策略对于地区的经济发展更为有利。
Taking urbanization as a background factor, this paper expands the traditional CD production function based on latent sub-model to see the effect of urbanization and factor input on regional economic output. In order to understand the influence of urbanization process on economic output Mechanism of action provides a new perspective. The results show that with the promotion of urbanization, the elasticity of economic output on material capital, human capital and resource consumption is constantly changing; the trend of output elasticity changes among all input elements is different; the increase of urbanization rate effectively promotes the production However, its promotion of economic growth shows a marginal diminishing trend. Based on this, it is considered that the urban development strategy with relatively rapid urbanization from the initial period to mid-term and relatively slow later period is more favorable to the economic development in the region.