上市公司并购与股票超额收益效应研究

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1、上市公司并购与股票超额收益效应研究5.1-9,,services,andmakethecitymoreattractive,strengtheningpublictransportinvestment,establishedasthebackboneoftheurbanrailtransitmulti-level,multi-functionalpublictransportsystem,thusprotectingtheregionalpositionandachieve目录摘要............................

2、.................................................................1Abstract........................................................................................21引言...........................................................................................31.1选题背景与意义...

3、.................................................................41.2公司并购研究综述................................................................51.3研究内容与框架....................................................................52公司并购理论概述.........................................

4、..........................52.1并购内涵................................................................................52.2并购效应................................................................................62.3并购市场效应——超额收益................................................62.4超

5、额收益率度量....................................................................63上市公司并购与超额收益状况...............................................93.1首次公告日前的超额收益....................................................95.1-9,,services,andmakethecitymoreattractive,strengtheningpublictra

6、nsportinvestment,establishedasthebackboneoftheurbanrailtransitmulti-level,multi-functionalpublictransportsystem,thusprotectingtheregionalpositionandachieve3.2首次公告日后的一年内的超额收益....................................93.3完成公告日后的超额收益...............................................

7、...104并购超额收益所受的影响因素.............................................114.1时间因素..............................................................................134.2企业性质..............................................................................134.3行业属性........................

8、......................................................164.4并购类型........................................