我国it行业多元化绩效的实证分析——以深沪上市公司为例

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1、-------incomeHerfindahlindex,diversifiedincomeentropythreedegreeofindicatorstomeasurethedegreeofbusinessdiversification;takingintoaccounttheITindustryAnEmpiricalStudyofasingleindustry,onlyselectTobin'sQasameasureofcompanyperformanceindicators.Selectionandanalysisofsamples,usinglinearregr

2、ession,measuringtherelationshipbetweenthedegreeofdiversificationanddiversificationperformance,andcametotheempiricalevidenceofthediversificationdiscount.FoundthatITlistedcompaniesinChinaasawhole,thereisadiversificationdiscountphenomenonenterprisevalueisincreasedwiththeimprovementofthedive

3、rsification,butexcessivediversificationwillsignificantlyreducetheenterprisevalue.ThecharacteristicsofChina'sITindustry,Ithinkthatthethemoderatediversificationcanincreasecorporatevalue,howeverexcessivediversifiedenterprisemanagementandagencycostswillincrease.Keywords:Diversification;ITind

4、ustry;Performance;Demonstration;III-----------目录第1章绪论.........................................................................................................11.1选题背景........................................................................................................11.2研究对象及意义.......

5、.....................................................................................21.2.1研究对象.................................................................................................21.2.2论文目的......................................................................................

6、...........31.3研究方法及文章主要内容.............................................................................31.3.1研究方法.................................................................................................31.3.2文章框架....................................................................

7、.............................31.4创新之处........................................................................................................4第2章多元化与公司绩效研究综述......................................................................52.1多元化经营理论研究的综述.............................