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European Transport Research Review

An Open Access Journal

Table 5 Average increase in cost per customer for selecting a delivery time window (1)

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

Number of customers

Geographical spread

Time window width

 

Clustered

Random

2 h

4 h

50

4.06

4.72

6.6

2.18

100

2.40

3.54

4.55

1.38

150

1.84

2.85

3.61

1.08

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