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除了税收手段直接调整人均收入差距之外,政府可利用投资配置来影响生产过程,进而调整人均收入差距。在总量封闭经济的框架下,本文以人均收入差距最小化为目标,通过引入多地区多产业Cobb-Douglas生产函数、劳动一资本比率、资本时变率,改造最优经济增长模型。实验表明,通过权衡不同地区、不同产业的重要程度,调整投资在不同地区、不同产业之间的配置比率,政府可缩小人均收入差距。
In addition to directly adjusting the per capita income gap through taxation, the government can use investment allocation to influence the production process and thus adjust the per capita income gap. Under the framework of total closed economy, this paper aims to minimize the income gap per capita and transform the optimal economic growth model by introducing multi-region Cobb-Douglas production function, labor-capital ratio, and time-varying capital ratio. Experiments show that the government can narrow the per capita income gap by weighing the importance of different industries and different industries and adjusting the allocation ratio of investment to different industries and regions.