政治关联影响投资者法律保护的执法效率吗?

被引:89
作者
许年行 [1 ]
江轩宇 [1 ]
伊志宏 [1 ]
袁清波 [2 ]
机构
[1] 中国人民大学商学院
[2] 不详
关键词
政治关联; 投资者法律保护; 查处及时性; 公告效应; 高管变更;
D O I
10.13821/j.cnki.ceq.2013.02.004
中图分类号
D922.28 [金融法]; D922.29 [经济法];
学科分类号
030107 ;
摘要
如何提高投资者法律保护的执法效率是近年来财务学研究的热点问题,也是资本市场能否健康有序发展的一个关键因素。本文以2000—2010年沪深两市因违规受到处罚的A股上市公司为样本,从处罚公告前监管部门的查处及时性、处罚公告前后高管被迫离职、处罚公告时的市场反应三个维度,深入考察政治关联是否影响中小投资者法律保护的执法有效性。研究发现:(1)监管部门对政治关联公司的违规查处存在时滞效应,其惩处周期显著长于无政治关联公司;(2)在处罚公告前一年和后一年,政治关联公司高管的被迫离职率均显著低于无政治关联公司;(3)违规处罚公告时,政治关联公司的负向市场反应大于非政治关联公司,且这种现象主要表现在国有样本里。这说明,政治关联会削弱中小投资者法律保护的执法效率,且"违规查处及时性"和"高管变更"是两种重要的影响路径。
引用
收藏
页码:373 / 406
页数:34
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