关于上市公司多元化经营与绩效的实证研究
TheEmpiricalStudyoftheRelationofDiversificationandPerformanceInChinesePfivateEnterprises
thediversifiedrevenueandcosttheory.
Chaptertwo:theoreticalprincipleandconcept.Thisarticlewillbedefined
diversifiedoperatingcompanies
paperintroducesthediversifiedastwoormoreoftheindustry’Scompanies.Thisrevenueandcosttheory.
Chapterthree:researchhypothesisandchoosingsample.Thisthesisadopts
A—shareofChinesestocksmarketincludingShanghai
2007asaandShenzhenmarketinresearchsample.Thispaperdrawsonexistingresearchliterature,
variable,explainedcombinatesthefeatureofprivateenterprises,choosethe
variable,controlvariables.
Chapterfour:positiveanalysis.ThisthesisadoptsA-shareofChinesestocks
marketincludingShanghai
Aftercombination
regressionandShenzhenmarketin2007asanalysis,descriptivearesearchsample.thetheorystatistics,correlatetests,analysis,nonparametric
isfounded
istests,thethesisdrawssomeconclusion:adiversificationnegativerelationprivatebetweenan
IPOsandperformanceeffectedthein9urprivateenterprises;industryimportantelemententerprises’performance;between
thereisdifferenceonandindirectlistedprivateenterprises,theimpactofdiversificationtoperformance.
andproposal.Inthispaper,basedonChapterfive:researchconclusionthe
finalconclusionsofthestudy,forthemanagementofChina’Spdvateenterprisesoperatingintherelevantdecision—making,make
anddeficiencythefollowingtwosuggestions.3、Innovationpoints
Therearesomeinnovativepointsinthearticle.Firstly,Iselectthelisted
privateenterprisesastheresearchsample.It
aCancontrast、析也theforeignstudy.Secondly,theauthorchoseindustryas
didn’tconsiderthefactorinthearticle.But,preciousstudyindustryas
aacontrolvariable.Thirdly,theauthorappliesnonparametrictestthatis
The
accountmethodofempiricalresearch.deficiencyofthearticleasfollows:firstly,theauthordidn’ttakeintoimportantcontrolvariablesexceptforthenumberofasset,the
flowpernumberofliability,operatingcash
shareholder.sharevolume,theshareratiooflargestdidn’tanalyzeSecondly,theauthortherelationbetweendiversificationand
2007performanceindifferentindustry.Thirdly,thisarticlechosethepaneldatatodoresearch,anddi(1Il’ttakeintoaccountthetimeseries.Fourthly,duetothelimitationsofthedata,thisstudyhasoverlookedthedelayed2
关于上市公司多元化经营与绩效的实证研究
ABSTRACT
implementationofthediversifyingstrategy.
Keywords:Pdvateenterprises
EconomicperformanceDiversification
关于上市公司多元化经营与绩效的实证研究
西南财经大学
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