简介:Theearningsqualityoflistedcompaniesisanissueofpublicconcern.Thispaperconductsanin-depthandcomprehensiveanalysisofhowtomeasuretheearningsqualityoflistedcompaniesbyusingempiricalmethods.Theindicatorsofearningsqualityusedinthispaperincludenotonlycashflowbutalsoindicatorsthataffectthegrowthoffutureearnings.Wefindthat,firstly,inourstockreturnregressions,bothspecificandcompositeindicatorsofearningsqualityhaveincrementalexplanatorypowerforstockreturnsaftercontrollingforearningspershare,changesinearningspershare,andfirmsize.Secondly,inourfutureearningsregressions,bothspecificandcompositeindicatorsofearningsqualityhaveincrementalexplanatorypowerforfutureearningsaftercontrollingforearningspershare,changesinearningspershare,andfirmsize.Thirdly,listedcompanieswithlower(higher)earningsqualityhavepoorer(better)earningsperformanceinfutureyears.
简介:R&D投入和科技创新是经济发展的内在动力,科学分析两者之间的关系是当今学术界研究的热点问题。采用VAR模型测算1996-2014年R&D投入与江苏省经济增长的关系,在此基础上利用修正的柯布一道格拉斯生产函数构造模型测量R&D投入对江苏省经济增长的贡献,研究结果表明,R&D投入对江苏省国民经济增长有一定的贡献,但贡献率偏低。因此,江苏省应继续加大R&D投入,提高科技创新能力,使得江苏省经济在新形势下取得持久竞争力。