臺灣博碩士論文加值系統

信用評等為客觀第三者以公司的財務狀況與績效表現等指標評定，亦表示信用評等的結果可以檢視公司團隊的治理情況，以及經營策略上的表現是否如市場預期。本研究以1985年至2013年間，美國國內併購資料為研究樣本並配合常態機率模型進行估計，探討公司進行併購活動對其信用評等變化之影響。本論文之主要實證結果發現：一、併購規模增加時，對於主併公司之信用評等被調降的機率也會隨之增加。二、市場對於併購事件之評價亦會顯著影響主併公司之信用評等變化的機率。

第一章 緒論.................................................................1
第一節 研究背景與動機....................................1
第二節 研究目的...............................................2
第三節 研究架構...............................................3
第二章 文獻探討..........................................................4
第一節 併購熱潮與多角化併購的相關文獻........4
第二節 信用評等的相關文獻.............................6
第三章 資料來源與研究方法........................................8
第一節 樣本與資料來源....................................8
第二節 變數定義及說明...................................11
第三節 研究方法與模型...................................16
第四章 實證結果與分析..............................................20
第一節 資料分析.............................................20
第二節 實證結果.............................................24
第五章 結論與建議.....................................................38
參考文獻.....................................................................39
附錄............................................................................41

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