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目的地竞争模型是空间相互作用领域的重要进展之一,但其有效性尚未得到一致认可,且缺乏基于中国的实证依据。基于中国2010年城市间铁路客流数据,采用目的地竞争模型进行实证分析,并与传统空间相互作用模型相比较,以检验目的地竞争模型在实际应用中的有效性。结果表明:1空间结构对中国城市间铁路客流存在显著影响,目的地之间存在较强的竞争效应;2目的地竞争模型的引入显著地减弱了距离衰减参数的空间自相关程度,较大程度上改善了传统空间相互作用模型的距离衰减参数标定偏误问题;3既有研究中在区域尺度下对传统空间相互作用模型(即重力模型)参数的标定及实证分析可能会存在偏误,目的地竞争模型这一改进模型具备应用价值。
The competition model of destination is one of the important progress in the field of space interaction, but its validity has not yet been unanimously approved, and it lacks empirical evidence based on China. Based on China’s inter-city railway passenger flow data in 2010, this paper uses the competition model of destination to make empirical analysis and compared with the traditional spatial interaction model to test the effectiveness of the competition model of destination in practical application. The results show that: 1 The spatial structure has a significant impact on the inter-city railway passenger flow in China, with strong competition effects between destinations; 2 The introduction of 2-destination competition model significantly reduces the spatial autocorrelation of distance attenuation parameters, to a large extent Which improves the calibration error of distance attenuation parameters in the traditional model of spatial interaction.3 The calibration and empirical analysis of the parameters of the traditional space interaction model (ie, the gravity model) in the existing studies may be biased, and the purpose The competitive model of this improved model has application value.