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weformulateamodelfordeterminingtheoptimalpricing orderquantityandreplenishmentperiodfor
, แบบ itemswithprice-dependentandtime-dependentdemand.theitemshavea fixedshelf ชีวิต และเติมเต็ม thedemandratedecreaseslinearlyinthesellingpriceandpolynomiallyoverthetimeafter
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weprovethatthe untilitvanisheseitheratthereservationpriceoratexpirationtime .3 variableprofit maximizationproblemcanbereducedintoasingle variableproblem inwhichthe
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, variableisthedurationofthereplenishmentperiod.weshowthattheprofit functionisstrictlypseudo concaveandprovidemeansofobtainingtheoptimalpolicy . threenumericalexamplesarepresentedto
demonstratethemodelaccompaniedbyasensitivityanalysis .
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