This paper considers inventory models of the order-quantity/order-point type, or (Q,r) models. In general the control parameters (Q and r) depend on both the demand process and the replenishment lead time. Although many studies have treated lead time as constant, focusing solely on demand, a...

Prior research has investigated the appropriate ordering policy for an inventory system. Two key factors to are daily demand and lead time. Many studies assume lead time and daily demand are independent. In this study, we relax this assumption for a continuous review inventory system and analyze...