摘要
本文采用一种新的研究方法——因果关系检测模型 ,对运能、投资与铁路客运需求之间的相关关系进行了定量分析。得出的结论是 :运能与投资不足是导致铁路运输市场份额下降的重要原因。
With a new method of causality detection model, this paper carries out quantitative analysis to the relationship of Railway Passenger Transportation and transportation capacity and investment. The conclusion is that the defect of railway transportation capacity and investment are important causes.
出处
《预测》
CSSCI
2001年第2期69-71,共3页
Forecasting
关键词
客运市场
投资
因果关系检测模型
铁路运输
客运能力
transportation capacity
investment
railway passenger transportation
causality detection model