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Table 6 Average increase in cost per customer for selecting a delivery time window (2)

From: Using an integrated order picking-vehicle routing problem to study the impact of delivery time windows in e-commerce

Number of customers

Clustered customers

Randomly spread customers

 

2 h

4 h

2 h

4 h

50

6.3

1.82

6.88

2.54

100

3.92

0.87

5.18

1.89

150

3

0.69

4.22

1.47