Based on the constitution identification of the urbanization economic costs, econometric model of urbanization economic costs is constructed from four aspects of the investment cost of job, the investment cost of urbanization Land use, the investment cost of urbanization infrastructure, and the investment cost of urbanization management. Taking Guiyang City as an example, economic cost for each additional urban population in Guiyang City is measured under the current level of social and economic development. Capital requirement for the urban development of Guiyang City in the next 10 years is forecasted. And it is pointed out that there will be significant financing gap for the future sustainable development and urbanization process of Guiyang City, which provides the basis for the speed and reasonable goals of urban sustainable development in future.%在对城市化经济成本构成进行辨识的基础上,从就业岗位投资成本、城市化用地投资成本、城市化基础设施投资成本和城市化管理投资成本4个方面构建了城市化经济成本计量模型.在此基础上以贵阳市为例,测算出当前的社会经济发展水平下贵阳市每增加一个城市化人口需要经济成本,并对未来10年贵阳城市发展的资金需求进行预测,指出贵阳未来可持续发展与城市化进程将面临明显的资金缺口,旨在能为未来城市可持续发展的速度和合理目标提供依据.
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