摘要
铁路货运对经济社会发展具有重要的促进作用。通过选取1995—2009年铁路货运量和国内生产总值的数据,建立logistic模型,利用SPSS软件,对两者的关系进行回归分析,检验结果表明模型拟合度高、显著性较好。利用该模型对铁路货运量和GDP的关系进行边际作用分析和弹性分析,结果表明:铁路货运对经济社会的增长具有很强的拉动作用。
Railway freight traffic has important promotion role on economy and social development.This paper establishes the logistic model according to the data of railway traffic volume and GDP data from 1995 to 2009,and makes regression analysis on the relationship of them by using SPSS software.The result shows the model has high fitting degree and good distinctiveness.The paper makes marginal effect analysis and elastic analysis on the relationship between railway traffic volume and GDP.The result shows railway freight traffic has powerful promotion role on the increase of economic society.
出处
《铁道运输与经济》
北大核心
2010年第11期10-13,共4页
Railway Transport and Economy
关键词
铁路货运
经济社会
回归分析
Railway Freight Traffic
Economic Society
Regression Analysis
