简介：ThispaperaddressesthesupplychainengineeringanditsapplicationinChina’sretailingindustry.Basedontheapproachesofsystemsengineering,weproposetheconceptofsupplychainengineering,whichappliestheideaofsupplychainmanagementtotheengineeringpracticesthroughtheadvancedinformationandmanagementtechnology,tointegratethesupplychainsystemandoptimizeitsoperations.WethenillustratetheapplicationofthesupplychainengineeringinChina’sretailingindustry.Insuchpractices,wedevelopedthevirtualretailingenterprisemodeandtheFROM-SCMsystem,anddesignedthesalesassistantetc.SuchtheoryandpracticesaresuccessfullyappliedinMeiyijia,whichhastransformedMeiyijiafromatraditionalretailertoamodernserviceenterprise,andtheprofitsareresultedfromtheservicefeesratherthanthetraditionalsurplusbetweenbuyingandsellingprices.NowMeiyijiahasbuiltanecosystemwiththeretailerinthecore,theheadquarterastheserviceplatform.ThesuccessofMeiyijiainrecentyearsshowstheeffectivenessofthesupplychainengineering.

简介：Inthispaper,weinvestigatethedisparitiesofChina’sinsurancemarketfromtheviewpointofgeographyandenterprisebyusingthemonthlydatafromJanuary2006toDecember2015.Wedividethewholeinsurancemarketintotwoparts,namelypropertyinsuranceandpersonalinsurance.Byconstructingandanalyzingminimumspanningtreesofinsurancemarket,weobtaintheresultsasfollows:(i)Theconnectionsbetweenprovincesaremuchcloserthanthoseoffirms,andthereareregionallinksbetweenneighboringprovincesintheminimumspanningtree(MST);and(ii)thedomesticfundedfirmsandforeignfundedfirmsformtwoexplicitclustersintheMSTsofpropertyandpersonalinsurancemarket.

简介：Inthiseraofadata-drivensociety,usefuldata(BigData)isoftenunintentionallyignoredduetolackofconvenienttoolsandexpensivesoftware.Forexample,weblogfilescanbeusedtoidentifyexplicitinformationofbrowsingpatternswhenusersaccesswebsites.Somehiddeninformation,however,cannotbedirectlyderivedfromthelogfiles.Wemayneedexternalresourcestodiscovermoreknowledgefrombrowsingpatterns.Thepurposeofthisstudyistoinvestigatetheapplicationofwebusageminingbasedonweblogfiles.Theoutcomeofthisstudysetsfurtherdirectionsofthisinvestigationonwhatandhowimplicitinformationembeddedinlogfilescanbeefficientlyandeffectivelyextracted.Furtherworkinvolvescombiningtheuseofsocialmediadatatoimprovebusinessdecisionquality.

简介：TheestablishmentoftheChinaPilotFreeTradeZone(FTZ)hassignificantlypromotedinternationaltrade,financialdevelopment,andeconomicgrowth.Buildinginternationalfinancialcenters(IFCs)satisfiesthedemandforFTZstofacilitatefinancialdevelopment,aswellaspromotingeconomicgrowth.Thus,successfullypredictingthenextIFCinChinaundertheFTZframeworkisanimportantissue.Inthisstudy,weappliedgreyrelationalanalysiscombinedwithentropymethodtopredictpotentialIFCsamongsevenFTZcities.Accordingtotheresults,ourinterestingfindingsinclude:1)the'totalstockturnover','totalvalueofimportsandexports',and'ForeignDirectInvestment(FDI)'arekeyindicatorsfordeterminingfutureIFCs;2)amongsevencities,ShenzhenandTianjinarehighlylikelytobecomethenextIFCs,whileShanghaiisalreadyanIFC.

简介：Acommonfeatureofpreviousstudiesabouttheapplicationofdataenvelopmentanalysis(DEA)todetermineenvironmentalandeconomicefficienciesisthatthetwowereanalyzedinseparatemodelsorframeworks.Thepurposeofthispaperistoanalyzetheeconomicefficiencyandenvironmentalefficiencywithasinglemodel.ThispaperproposesanintegratedDEAmodel,basedonamodificationofthedirectionaldistancefunction,whichallowsustodecomposetheeco-efficiency(EE)intotheeconomicefficiency(ECE)andenvironmentalefficiency(ENE).TheECEcharacterizestheabilityofgainingeconomicbenefitswhiletheENEcharacterizestheabilitytocontrolpollutantemissionsinproductionactivities.IdentificationofECEandENEcanhelpdecisionmakersofdifferentregionsdetectwhatkindoffactor(economicinefficiencyorenvironmentalinefficiency)isthemainsourceofeco-inefficiency.ThiscanhelpdecisionmakersmoretargetedtoimproveEE.Toillustratethefeasibilityofourapproach,acasestudyof30regionsinChinaispresented.Theempiricalresultsshowthatalmostallregionshaveveryhigheconomicefficiencies.Theenvironmentalinefficiencyisthemainsourceofeco-inefficiency.Thedifferencesofenvironmentalefficienciesleadtothedifferencesofeco-efficienciesintheeast,centralandwestareas,whiletheeconomicefficienciesdonothavesignificantdifferencesamongtheseareas.Theeconomicefficienciesshowedanopposite'V'shapeandtheenvironmentalefficienciesshowedadecreasingtrendduringtheperiod2010–2014.

简介：ThispaperfocussesontheinformationasymmetryincrisisnewsafteraseriousincidentinTianjin,China,in2015.Theincidentcausedenormousdamageandresultedinsocietalunrestbecauseofthelackofreliableinformationfromtheformalmediachannels.Socialmedia—microblogs—playedamajorroleinreportingoncrisissituations.Wedividednetizens(i.e.,thecitizensofthenet)intohighandlowtypesaccordingtotheirinformation-criticalleveltothecrisisnews.Thedatashowsinformationdeteriorationonthecrisisnews,relatedtothenetizens’information-criticallevel.Forthetraditionalmediathereistheopportunitytouseinformationqualitydistortiontomakemoremarginalprofits.Thisispossibleonlyifthecitizens’informationstaysunderacertainqualitylevel.Theresultisoverprovisionoflowqualitynewsandhighqualitynewsdrivenoutofthemarket,whereuponadverseselection(i.e.,alackofsymmetricinformation)appears.However,byadoptingaprocessview,wefoundself-correctingmechanism(i.e.,dyingoutofrumors)ofthesocialmediacommunitiesinChina.Weprovidedaagent-basemodelandsimulationtoshowthatthemoremediaexistinthemarket,thefasterspeedoftheinformationdeterioration,butalsothecapacityto‘discuss’rumors.

简介：Thispaperstudiestheoptimalconsumption-investmentstrategywithHeston’sstochasticvolatility(SV)modelunderhyperbolicabsoluteriskaversion(HARA)utilitycriterion.Thefinancialmarketiscomposedofarisk-lessassetandariskyasset,whosepriceprocessissupposedtobedrivenbyHeston’sSVmodel.TheriskypreferenceoftheindividualisassumedtosatisfyHARAutility,whichrecoverspowerutility,exponentialutilityandlogarithmutilityasspecialcases.HARAutilityisofgeneralframeworkintheutilitytheoryandisseldomstudiedintheexistingliteratures.Legendretransform-dualtechniquealongwithstochasticdynamicprogrammingprincipleispresentedtodealwithourproblemandtheclosed-formsolutiontotheoptimalconsumption-investmentstrategyissuccessfullyobtained.Finally,somespecialcasesarederivedindetail.

简介：在这份报纸，易于不同骚乱的一般异构的非线性的多代理人系统的输出一致问题被考虑。一种Takagi-Sukeno模糊建模方法被用来描述非线性的代理人动力学。基于模型，一个分布式的模糊观察员和控制器基于分布式的赔偿计划和内部引用建模的平行被设计以便异构的非线性的多代理人系统能完成输出一致。然后，一个必要、足够的条件为产量一致问题被介绍。并且全球模糊模型的一致轨道被网络拓扑学和内部参考书模型的起始的状态决定，这被显示出。最后，一些模拟被给说明并且验证建议计划的有效性。