Abstract
The scale of urban rail transit network has been expanding in recent years, and the energy consumption of urban rail transit systems is also growing. So the paper intends to study on energy efficiency of urban rail transit so as to help enterprises to reduce energy consumption and operation costs. From the perspective of economics, the paper establishes an evaluation index system for energy efficiency of urban rail transit with multi-inputs and outputs. Then DEA-BCC model is proposed to evaluate the energy efficiency of urban rail transit, and the empirical analysis of Beijing subway Line5, Line15 and Batong Line is carried out to verify its rationality, which aims to find the influencing factors of energy efficiency of urban rail transit from efficiency and slack variable. Last, some suggestions on how to improve energy efficiency of urban rail transit system are given in the paper.
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