中国财产保险行业企业经营效率的地区差异及其成因
马淑伟, 江岩, 宋雅宁
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MA Shuwei, JIANG Yan, SONG Yaning
经济地理 . 2023, (6): 118 -125 .  DOI: 10.15957/j.cnki.jjdl.2023.06.012