基于改善易逝品仓储环境的最优定价策略.docx

基于改善易逝品仓储环境的最优定价策略.docx

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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

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