Operation Performance Evaluation and Optimization Based on SUPER-SBM DEA Model in Railway Industry in China

By taking railway industry in China for example, SUPER-SBM DEA model of existing uncontrollable factors are adopted to analyze and evaluate the operation performance in 30 provinces in China. Based on detailed analysis of railway industry operation features, optimization of related slack variables is analyzed. Suggestions are put forward as follows: current railway transportation capacity should be reasonably used, input factors should be reasonably collocated, input capital should be accumulated through various channels.