论公用设施和人口密度对小城镇经济增长贡献

Empirical Study on the Contribution of Small Towns Public Infrastructure and Population Densityon Economic Growth

利用2005和2010年数据,在评价各地区小城镇公用设施存量水平基础上,利用引入人口密度变量扩展的巴罗模型测算公用设施对小城镇财政收入的贡献。实证发现,各类公用设施、人口密度和镇区面积变量对小城镇经济增长的贡献显著。有侧重地优先保障中西部地区民生类基础设施的供给,扩大小城镇镇区规模和提高人口密度,以及采取有进有退小城镇发展战略,对于促进经济增长非常重要。

By using Barro model and the data of year 2005 and year 2007,the article calculates public infrastructure contribution on small towns economic growth based on the level evaluation of small towns public infrastructure stock. The result shows that the contribution of all kinds of infrastructure, population density and township area upon small towns economic growth is significant. On the empirical basis, the article draws a conclusion to safeguard livelihood infrastructure supplies in central and western regions, to increase small towns scale and population density, as well as to flexibly adopt small town development strategy.