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1、OnthepromotionofFreshProducts 【Abstract】Inthispaper，thejointstrategyofthesinglecyclefreshproductaboutinventoryandpromotionisconsidered，andtheorderpromotionjointdecisionmodelisestablished.Bytheinitialprocurement，promotionstartingtime，discountsalespromotioneff
2、orts，iterativemethodofbeststrategyisobtainedandretailersgetthemaximumbenefits.Throughnumericalsimulationexample，thepaperanalyzestheeffectsontheobjectivefunctionanddecisionswhichareexertedbythechangesofparametersofdeterioratingrate.Theresultsshowthatthesmaller
3、deteriorationrate，thelaterpromotionstartingtime；Theresultsofthispaperhavereferencevalueforthestorageandpromotionoffreshproducts. 【Keywords】Freshproducts；Promotion；Pricediscount；Deterioration；Promotionstartingtime 0Introduction Inrecentyears，therequirements
4、offreshproductsareincreasing.Sotheinventorymanagementoffreshproductsismoreimportant.Meanwhilesomescholarslaunchedstudiesontheinventoryandsalesoffreshproducts.Thepreliminaryresearch6resultsareasfollows：Wee[1]constructaninventorymodelundersomeconditionsthatprod
5、uct’slifeissubjectedtodoubleparameterweibulldistribution.Weeandyu[2]foundouthowquantitydiscountaffectedtheinventorystrategiesofretailers.Monahan[3]studiedquantitydiscountproblemfromtheperspectiveofsuppliers.Tersine[4]studiedthetemporarypricediscountandpresent
6、edOTOS（onetimeonlysale），thenTersine[5]alsoproposedageneralizedEOQmodelwhichwasgiventemporarypricediscounts； Currentlyinthestudyofinventorymodelonpricediscountdecision，thedemandrateismostlyassumedtobeprice-relatedfunctionswithoutconsideringtheeffectsoffreshne
7、ssondemand.Therefore，thispaperintroducestheconceptoffreshnesstoportraythefreshnessofproductsandtoresearchtheimpactoffreshnessinventoryandsalesstrategies. 1Problemdescription Thejointdecisionproblemoffreshproductsonorderandsaleinventoryandpromotioncanbeviewe
8、dasasingle-cycleinventoryproblem.Businessesarrangepromotions（e.g.，price，etc.）atanappropriatetimesothattheycanmakethemaximumprofitaftersellingoutattheendofcycle. 2Modelassumptionandsymbol
