改革开放条件下的中国城市经济区

从改革开放的视角，用实证的方法，对中国城市经济区进行了新的研究。根据城市中心性的等级体系，确定京津唐、长江三角洲和珠江三角洲为全国的经济核心区；通过外贸货流、铁路客货流、人口迁移流、信件流等流量流向分析，概括了3大核心区的内向型和外向型腹地范围；在此基础上，把中国经济地域划分为北方区、东中区和南方区3个一级城市经济区和11个二级区。对中国目前的经济空间组织形成许多新的认识。这一研究对于各地区经济联系方向的选择具有重要意义。

China's Urban Economic Region in the Open Context

Based on the research of city centrality and economic core areas of China and the analysis of foreign trade freight flow, railway passenger flow, railway freight flow, transmigrant flow and letter flow, this paper summarizes the characteristics of domestic and foreign hinterlands of the economic core areas. (1) Beijing-Tianjin Area, the Yangtze River Delta and the Pearl River Delta have become more and more dominant in China's regional economy since the reform and opening up started in 1978. (2) The Central-and-Southern Liaoning Area has been dropped behind by the other three core areas in economic development. The North-East China has degraded from first-class into second-class UERs. (3) As China's economy being gradually integrated into the world, there is a huge steering effect on domestic economic linkages of China's. (4) The distributions of the three core areas' hinterlands in domestic and foreign linkages are different, which reflect their different functional divisions in economic linkages. (5) The foreign economic linkages of Shandong and Fujian provinces almost depend completely on their own foreign ports, including Qingdao, Xiamen and Fuzhou. (6) The foreign economic linkages of frontier provinces bordering foreign countries are playing an important role in their economic development through landway channel.