Chinese Paper About Merger

Submitted by: Submitted by

Views: 392

Words: 1042

Pages: 5

Category: Other Topics

Date Submitted: 06/18/2012 03:46 PM

Report This Essay

中国上市公司并购价值效应

及其变化趋势分析

杨安华 赵昌文 浦自立 杨纪军

四川大学金融研究所

四川大学工商管理学院

Email:yanganhua@126.com

Tel:13208164556

中国上市公司并购价值效应及其变化趋势分析*

杨安华 赵昌文 杨纪军

(四川大学工商管理学院,四川 成都 610064)

【摘要】本文采用沪深证券市场1999至2004年的5133个并购事件样本,利用事件研究法对中国证券市场并购事件的短期价值效应进行度量;利用DEA模型度量公司并购前后4年的绩效,计算公司并购前后四年的DEA绩效指数[pic],据此对并购事件的长期价值效应进行度量;对并购的短期与长期进行了对比分析,并分析了并购价值效应的变化趋势。研究结果表明,在我国并购对公司中长期绩效确实具有较强的提升作用,并购对改善公司的业绩是有效的,尤其是最近几年,并购的中长期价值效应具有加强的趋势;并购事件多数具备短期投机价值,但随着监管的加强、投资者的成熟、证券市场的不景气等因素影响着并购事件投机价值效应的发挥。

【关键词】并购;价值效应;数据包络分析法;事件研究法

Fortune Effect of the Chinese Public Company’s M&A and It’s Changing

Yang Anhua Zhao Changwen Yang Jijun

(Business School, Sichuan University, Chengdu, 610064)

Abstract: 5133 M&A events happended in Shanghai and Senzheng securities market between 1999 and 2004 was used in this research. Short time fortune effect was measured by event research method. DEA method was use in this paper to measure the performance of Chinese Public Company 4 years before and after it’s Merger and Acquisition., and very company’s performance index [pic]was caculated. The effect of M&A to company’s performance was analyzed through the change of the company’s [pic] 4 years before and after the M&A. The short time and long time fortune effect was compared and it’s changing trend was researched in this paper. The result of research shows that M&A have positive effect for company’s performance and this effect was strengthened in recent years. Speculate fortune effect was really existed in Chinese public’s M&A, but investment fortune effect was not existed in sort time fortune effect. The speculate value was affected by the supervising of goverment, the mature of investor, the state of securities market.

Key Words: merger and acquisition; fortune effect; DEA; event research method

一、引言

在对企业并购重组的研究中,最需要且研究最多的问题就是并购重组的价值效应。并购重组究竟是否创造价值,即并购后目标和收购公司的二级市场近期表现,以及并购后几年的财务绩效的提升。遗憾的是由于各位学者的取样不同、研究方法不同,对于公司并购效应的研究至今尚无比较一致的结论。Grubb and...