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| 2018, Vol. 35(6): 80-86 DOI: | ||
| Population Density, Alternative Competition and Efficiency of China’s Railway Passenger Transportation | ||
| BAI Xue-jie1, ZENG Jin2 | ||
| 1.College of Economic and Social Development, Nankai University, Tianjin 300071, China; 2.School of Economics, Nankai University, Tianjin 300071, China; |
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| Received 2018-11-08 Revised 2018-11-08 | ||
| Supporting info | ||
| null | ||
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