In the first part, the paper represents the SCP framework and the factors influencing the demand and supply of railway transportation.

本文第一部分考察了SCP分析框架和铁路运输供给、需求的影响因素。

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Abstract: According to SCP analysis framework in the theory of industrial organization, the factors that affect corporate profits include market structure and the enterprises operating conditions.

摘要：根据产业组织理论中的SCP分析框架可知，影响企业利润的因素包括市场结构，企业的经营状况。

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