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本文在运用中心职能强度模型对京津冀地区进行中心城市等级划分的基础上,通过构建多维度指标体系,借助修正引力模型,对京津冀地区城市经济联系强度进行了定量分析。研究结果表明,京津冀地区存在着环首都、环天津和环石家庄三大经济圈;北京、天津与周边地区的经济联系,集中在廊坊、保定、唐山和沧州。未来京津冀地区应突破各种体制机制障碍,合理分工,促进城市间经济联系,推动社会经济一体化。
Based on the hierarchical classification of central cities in Beijing, Tianjin and Hebei Province, this paper constructs a multi-dimensional index system and uses the revised gravity model to quantitatively analyze the intensity of urban economic ties in Beijing-Tianjin-Hebei area. The results show that there are three major economic circles in the Beijing-Tianjin-Hebei region, namely, the Central Capital, Central Tianjin and Shijiazhuang; the economic links between Beijing and Tianjin and surrounding areas are concentrated in Langfang, Baoding, Tangshan and Cangzhou. In the future, Beijing, Tianjin and Hebei Province should break through the obstacles of various institutional mechanisms, rationally divide their labor, promote economic links among cities, and promote social and economic integration.