| M & A is a result of corporate equity or asset transactions and leads to commercial enterprises merger and the merger of enterprises. The reasonable strategy of M & A can make a good performance of enterprises strive for further improvement, can also cause difficulties enterprise in business arising from the dead. Of course, impolitic acquisition strategy will put business to its knees.The enterprise merger and acquisition is a difficult process.In the process of M & A,there are many risks. For many mergers and acquisitions, realizing the initial goal has succeeded, if substantial growth can achieve performance, it can be said to be perfect.In this paper, I selects the case of The Datong coal group company mergering The Zhangze Power as the research object,.I researched the the background of the M & A, and the motivation, as well as the short-term stock price effect of the merger and acquisition of cost synergy, operating synergy, financial synergy effects, and the analysis and Research on the post merger integration system. The main content of this paper includes the following aspects: the first is the introduction part, mainly elaborating the research background and significance of this paper, and the analysis of typical cases. The second part is the theoretical basis of this paper describing the related concepts, introducing the theoretical basis of merger and acquisition, merger and acquisition effect, and the motivation theory of M & A. The third part mainly expounds the case of Datong Coal Mine Group Company mergering the Zhangze Power, introducing the process of the Datong Coal Mine Group company merging the Zhangze Power, and integration. The fourth part mainly expounds the effect of M & A and existing problems. The fifth part mainly expounds the countermeasures and suggestions.In the process of writing this paper,I have checked out detailed literature, collected and sorted out of the financial statements and data related to the listing Corporation,.Through a lot of work, I strive to accurately analysis of the mergers and acquisitions. |