Maritime Economic Logistics

TABLE 4

FROM:

Schedule Unreliability in Liner Shipping: Origins and Consequences for the Hinterland Supply Chain

Bert Vernimmen, Wout Dullaert and Steve Engelen

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Table 4. Lead time and demand data, safety factor (K) and required level of safety stock (SS) for different service levels and different scenarios

  Scenario 1 (current) Scenario 2 (reliable) Scenario 3 (unreliable)
L 12.111.612.6
sigmaL 2 3.1823.5
D 565656
sigmaD 2 15.5115.5115.51
sigma 100.8080.32105.69
K (95%)1.641.641.64
SS (95%)165.31131.73173.34
K (97.5%)1.961.961.96
SS (97.5%)197.56157.43207.16
K (99.5%)2.582.582.58
SS (99.5%)260.06207.24272.69

  Source: Own calculations

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