人口分散與集中的理論極限及現(xiàn)實均衡
發(fā)布時間:2018-07-02 10:55
本文選題:人口規(guī)模 + 勞動分工; 參考:《技術(shù)經(jīng)濟與管理研究》2017年04期
【摘要】:判斷人口集中是否合理的依據(jù)究竟是不是集中的規(guī)模?經(jīng)分析發(fā)現(xiàn):農(nóng)業(yè)與工業(yè)生產(chǎn)追逐自然資源的動機導(dǎo)致人口分散,規(guī)模效應(yīng)促使工業(yè)生產(chǎn)在某一區(qū)域相對集中。勞動分工能夠提升效率從而吸引人口集中,勞動分工與市場規(guī)模擴張相互促進吸引人口進一步集中,但分工與市場擴張程度受交易與協(xié)調(diào)成本制約,節(jié)約交易成本的動機使得不同等級的中心地同時存在。人均資源與人均資本差異均能推動人口分散或集中。其影響為正的平均凈效用吸引人口集中,大城市人口超過合理限度后,仍然存在一個自然極限,不會無限擴張。當區(qū)域之間具有大致相同的人均凈效用時,人口在不同地區(qū)間的遷移將相對停止。判斷人口集中是否適度的標準不是人口規(guī)模,而是人口集中是否導(dǎo)致人均效用增長。
[Abstract]:Is the basis for determining whether population concentration is reasonable is the scale of concentration? It is found that the motive of pursuing natural resources in agriculture and industrial production leads to population dispersion, and the scale effect causes industrial production to be relatively concentrated in a certain region. Division of labor can enhance efficiency and attract population concentration. Division of labor and expansion of market scale promote further concentration of population, but the degree of division of labor and market expansion is restricted by transaction and coordination cost. The motive of saving transaction costs makes different levels of centrality exist simultaneously. The difference between per capita resources and capital per capita can promote population dispersion or concentration. The effect is that the positive average net utility attracts population concentration. After the population of big cities exceeds the reasonable limit, there is still a natural limit and will not expand indefinitely. When there is roughly the same per capita net effect among regions, migration between different regions will be relatively stopped. The criterion to judge whether population concentration is appropriate is not population size, but whether population concentration leads to increase of per capita utility.
【作者單位】: 云南大學;曲靖師范學院;
【分類號】:C922
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