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| 2020, Vol. 37(5): 169-176 DOI: | ||
| Research on the Impact of Elevator Liability Insurance on Elevator Public Safety Management ——An Empirical Study Based on The Difference-in-Differences Model | ||
| DING Rijia, TIAN Zheng | ||
| School of Management, China University of Mining & Technology (Beijing), Beijing 100083, China | ||
| Received 2019-10-18 Revised null | ||
| Supporting info | ||
| null | ||
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