Melchiors, Ph.

policy demand level inventory class model order inventory level rationing cycle level policy demand classes example value cost reduction reduction stockout stockout cost rationing policy section increase figure system time unit length replenishment order inventory model expression demand class 1 table rationing policies result change order size q demand class 2 cycle length number level c priority parameter e ect poisson poisson demand cost function n demand classes example 2 stock inventory cost replenishment nahmia demand rate research demand class j function derivation table 2 effect structure review erent management science process xed order cost decrease policy changes time h appendix hadley structureof society ratio inventory system time demand whitin 7 r 2 c hc 1 reorderlevel di erent priority low-priority demand distribution