简介：

简介：

简介：

简介：

简介：

简介：

简介：从决策主体有限理性角度,引入行为金融于区域产业发展集群升级管理体系,以Friedman和Savage之谜为释例,给出了其异常现象的行为金融解释.提出了行为金融范式下区域产业集群升级管理六要素,利用模块化思想构建了基于Multi-agent的区域产业集群升级管理模式,指出了各要素之间的优化机理,强调战略、组织、方法、信息、文化和过程的有机融合.

简介：Morletwavelettransformationisusedinthispapertoanalyzethemultitimescalecharacteristicsofprecipitationdataseriesfrom1957to2005inGuyuanregion.Theresultsshowedthat(1)theannualprecipitationevolutionprocesshadobviousmultitimescalevariationcharacteristicsof1525years,712yearsand36years,anddifferenttimescaleshaddifferentoscillationenergydensities;(2)theperiodsatsmallertimescaleschangedmorefrequently,whichoftennestedinabiggishquasiperiodicoscillations,sotheconcretetimedomainshouldbeanalyzedifnecessary;(3)theprecipitationhadthreemainperiods(22year,9yearand4year)andthe22yearperiodwasespeciallyoutstanding,andtheanalysisofthismainperiodrevealsthattheprecipitationwouldbeinarelativehighwaterperioduntilabout2012.

简介：

简介：Thetwo-echeloninventorysystemconsideredinthisworkisbasedononesinglesupplier,multipledistributioncenters,andmultipleretailers.Ineachechelonsafetyinventoryiscentralizedstoredinseveralcentralizedstoragecentersandlateraltransshipmentofsafetystockispermittedbetweencentralizedstoragesiteandnon-centralizedstoragesites.Theinventorypositioningandlocationdecisionmodeldevelopedfocusesonsafetystockcost,lateraltransshipmentcost,transportationcost,constructioncostandshortagecostinmulti-echelonsupplychain.Numericalexperimentsshowthat:nomatterwhetherintheechelonofdistributioncentersorretailersthefactorswhichaffecttheselectionfromonesinglecentralizedstoragecenterormultiplecentralizedstoragecentersaredistancebetweendistributioncentersorretailers,unittransshipmentcostandunitinventorycarryingcost.