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当前我国正处于积极推进新型城镇化和实施“一带一路”形成对外开放新格局的关键期。研究对外开放、国际贸易与国内经济地理的关系具有重要的意义。本文基于新经济地理学理论对两国三地区模型进行了扩展,通过分析发现,随着对外开放程度的提高,国内城市分布将趋于分散。对2005-2012年我国省际城镇人口进行计量分析发现,对外开放程度和国际贸易水平对城市集中存在着负效应。
At present, our country is in a crucial period of actively promoting a new type of urbanization and implementing the new pattern of “one belt, one road and one road” opening up to the outside world. It is of great significance to study the relationship between opening to the outside world, international trade and domestic economic geography. Based on the new economic geography theory, this paper extends the model of the two countries and three regions and finds that with the improvement of the degree of opening to the outside world, the distribution of domestic cities will tend to be fragmented. Based on the quantitative analysis of the inter-provincial urban population in China from 2005 to 2012, it is found that the degree of opening up and the level of international trade have a negative effect on urban concentration.