Johansen, S.G.

inventory time t demand order policy review period review period base-stock 0.00 level model system result review period length compound poisson demand section value poisson base-stock level replenishment length state research base-stock policies approximation 0.01 inventory position 1.25 approximation procedure on-hand inventory level table replenishment policy journal 1.75 1.5 quantity replenishment policies procedure johansen 0.11 markov chain lost-sales inventory systems compound bijvank function unit time lost-sale closed-form expressions inventory systems penalty european performance increase 0.28 inventory system order quantities r à r 0.23 r 6 l transition probabilities zipkin performance measures poisson demand order quantity review time t chain 0.61 customer 0.08 expression position interval distribution 0.18 0.17 state space 0.85 0.07 management