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简介：LandusechangesoccurringinChinaduringthetimeperiodofrapideconomicdevelopmentarelinkedtothedegradationofwaterqualityinstreamsandlakes.ThispaperexaminestheselinkagesintheDianchiLakewatershedinYunnaninsouthwestChinabasedonatwenty-yeardatasetfrom1988to2008.Pearsoncorrelationanalysisandsimplelinearregressionanalysisareemployedtoexploretherelationshipsbetweenlandusechangeandwaterqualityoftwosub-basins,theCaohaiLakebasinandtheWaihaiLakebasin,withintheDianchiLakewatershed.LandusecategoriesmorestronglycorrelatetowaterqualityintheCaohaiLakebasinthanthatintheWaihaiLakebasin.Thedifferentstructureoflandusecategories,spatialdistributionoflandcover,andscalesofbufferzonescouldbethefactorsresultinginthedissimilaritiesbetweenthesetwolakes.TheresearchcanprovidevaluableinsightsforpolicymakersintolandusemanagementinordertocurbfurtherwaterdegradationinDianchiLake.

简介：ToanalyzeChina'sfluctuatingsituationofthefactorinputandaggregativeproductivityisnotonlythemainmethodtoseekthesourceoftheeconomicgrowthbutalsothemainwaytoweighthelevelofeconomicgrowthquality.Astoeconomicgrowthofacountry,theimprovementoftheproductivityisextremelyimportant.Thegrowthoftheoutputcanberealizedthroughtwokindsofways:increasingthequantityoffactorinputoforimprovingtheeffciencyoftheinputandoutput.Therefore,thelevelofeconomicgrowthquafitydoesnotmainlydependontheamountofinvesTedfactor,buttheimportanceofimprovingtheprodutivitysincePesourcesarerare.Therelativeimprovementofefficiencyinuseoftheinvestedfactormarkstheeconomicgrowingquality.So,inordertounderstandtheeconomicgrowthquafityofChinatosomeextent,itmustanalyzeChinesefactorinputandaggregativeproductivity.Thisisthemaintopicthatthistextwiltbeprobedinto.

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简介：Theearningsqualityoflistedcompaniesisanissueofpublicconcern.Thispaperconductsanin-depthandcomprehensiveanalysisofhowtomeasuretheearningsqualityoflistedcompaniesbyusingempiricalmethods.Theindicatorsofearningsqualityusedinthispaperincludenotonlycashflowbutalsoindicatorsthataffectthegrowthoffutureearnings.Wefindthat,firstly,inourstockreturnregressions,bothspecificandcompositeindicatorsofearningsqualityhaveincrementalexplanatorypowerforstockreturnsaftercontrollingforearningspershare,changesinearningspershare,andfirmsize.Secondly,inourfutureearningsregressions,bothspecificandcompositeindicatorsofearningsqualityhaveincrementalexplanatorypowerforfutureearningsaftercontrollingforearningspershare,changesinearningspershare,andfirmsize.Thirdly,listedcompanieswithlower(higher)earningsqualityhavepoorer(better)earningsperformanceinfutureyears.

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简介：2002年明基威立自有品牌．从此BenQ便成了台湾品牌的典范.其中由陈其宏总经理所主导的数数码媒体事业部是集团里表现相当耀眼的部门，在短短的两年时间内占公司营收的比例已经高达15％。