| 我国AB股双重上市公司经营业绩变化的实证分析 |
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| 引用本文： | 王凯涛,孙开连,陈金贤.我国AB股双重上市公司经营业绩变化的实证分析[J].数理统计与管理,2004,23(2):28-34. |
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| 作者姓名： | 王凯涛 孙开连 陈金贤 |
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| 作者单位： | 西安交通大学管理学院国际经济研究所,陕西西安,710049 |
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| 基金项目： | 国家社科基金资助项目 (0 1BJL0 89) |
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| 摘 要： | 本文以46家在上海和深圳同时上市AB股的公司的样本,分析了公司实行双重上市前1年及其后4年的经营业绩的变化趋势以及股权结构和上市顺序对它的影响。研究表明,双重上市当年及其后4年经营业绩显著下降;股权结构和上市顺序对公司经营业绩影响明显。最后,文章提出了改善AB股公司经营业绩的对策建议。
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| 关 键 词： | 双重上市 经营业绩 Wilcoxon符合秩检验 |
| 文章编号： | 1002-1566(2004)02-0028-07 |
| 修稿时间： | 2002年7月19日 |
An empirical study on operating performance of dually-listed firms in China |
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| WANG Kai-taoSUN Kai-lianCHEN Jin-xian.An empirical study on operating performance of dually-listed firms in China[J].Application of Statistics and Management,2004,23(2):28-34. |
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| Authors: | WANG Kai-taoSUN Kai-lianCHEN Jin-xian |
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| Abstract: | This article investigates the change in operating performance of firms after they conducting dually-listing,and the relationship between it and the ownership structure and the impact of listing schedule on it .The sample contains 46 firms offering both A and B shares in Shanghai or Shenzhen exchange.A significant decline in operating performance subsequent to the dually-listing is found. And both the ownership stucture and listing schedule impact the firms' operating performance.At the end ,the authors put forward some suggestions to enhance their operating performance. |
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| Keywords: | dually-listing operating performance Wilcoxon signed rank test |
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