资源描述:
《基于改善易逝品仓储环境的最优定价策略.docx》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、OptimalpricingpolicyfordeteriorationitemswithpreservationtechnologyinvestmentBaiZhenyu,ZhangJianxiong(InstituteofSystemsEngineering,TianjinUniversity,Tianjin300072)Abstract:Thispaperconsiderstheproblemofsimultaneouslydeterminingthepriceandinventorycontrolstrategiesfordeterioratingitems.Itisassum
2、edthattherateofdeteriorationcanbereducedbymeansofeffectivecapitalpreservationtechnologyinvestmentandthedemandrateisafunctionofsellingprice.Theobjectiveofthisstudyistosimultaneouslydeterminetheoptimalsellingprice,theoptimallengthofreplenishmentcycleandtheoptimalpreservationtechnologyinvestmentsuc
3、hthatthetotalprofitperunittimeismaximized・First,foranygivenpresentationtechnologyinvestment,weprovethattheoptimalsellingpriceandtheoptimallengthofreplenishmentcycleexistandareunique・Next,weshowthatthetotalprofitisaconcavefiinctionofthepreservationtechnologyinvestment.Then,aneffectivealgorithmisd
4、esignedtofindtheoptimalsolutionoftheproposedmodel.Finally,numericalexamplestoillustratethesolutionprocedureandsomemanagerialimplicationsarcprovided.Keywords:Deterioratingitems;Pricing;Replenishmentcycle;Preservationtechnologyinvestment0IntroductionInrecentyears,deterioratinginventoryproblemshave
5、beenwidelystudiedbymanyresearchers・AspresentedbyWee[1],deteriorationisdefinedasdecay,damage,spoilage,evaporation,obsolescence,pilferage,lossofutilityorlossofmarginalvalueofcommoditiesthatresultindecreasedusefulness・Electronicgoods,fooditems,blood,alcohol,pharmaceutical,volatileliquidsareexamples
6、ofitemsthatdecreaseduringthenormalstorageperiod,asaresultofdeterioration.Hence,whileformulatingtheinventorymodelofthattypeofitems,thelossduetodeteriorationshouldnotbeneglectedfortheresearchers.ShahandJaiswal[2]developedanorderlevelinventorymodelwithaconstantrateofdeterioration.Aggarwal[3]re-esta
7、blishedShahandJaiswaPsmodelfordeterioratingitemswithaconstantrateofdeteriorationtoincludebothdeterministicandstochasticdemands・Misra[4]developedaproductionlotsizemodelfbraninventorysystemwithbothconstantandvaryingdeteriorati