Table 1. Contents of the distributed questionnaire and support references of factors

No. Factors Support references
1 Freight rates offered by carriers are obviously changed. Lin and Liang (2011); Lu (2013); Wen and Lin (2016); Ho et al. (2017)
2 The route mixes to provide shippers decrease. OECD (2015); Lu and Yeh (2019); Ho et al. (2017)
3 The provisioning capability of empty containers to shippers gets better. Ho et al. (2017); Lu and Yeh (2019)
4 Truck fees increase because of ship call changes. OECD (2015)
5 The choice for available cooperated carriers de-creases. Lu et al. (2006)
6 Control ability of forwarders for ship slots decreases. Lu (2013); Wen and Lin (2016); Lu and Yeh (2019)
7 Handling and additional charges increase. Lin and Liang (2011); Ho et al. (2017)
8 Transport reliability of CSLs decreases. Lu (2013); Wen and Lin (2016); Lu and Yeh (2019)
9 Service quality of CSLs decreases. Lin and Liang (2011); OECD (2015); Lu and Yeh (2019)
10 Brand reliability of CSLs decreases. Lu et al. (2006); Lu (2013); Wen and Lin (2016); Ho et al. (2017)
11 OFFs should quickly respond to the changes in logistical decision making from shippers. Proposed by the focus group
12 OFFs change the perception to an e-commerce application. Lin and Liang (2011)
13 The pressure of getting more freight businesses increases. Grimstad and Neumann-Larsen (2013); Lu and Yeh (2019)
14 OFFs care more about risk management than before. Proposed by the focus group
15 OFFs are more concerned about the rights and obligetions for freight damage claims. Lin and Liang (2011)
16 OFFs track CLSs’ operation dynamics more in detail. Proposed by the focus group
17 The liaison burden between OFFs and CSLs decreases. Lu (2013)
18 The complexity of shipment consolidation increases. Burkovskis (2008); Lin and Liang (2011)
CSL, container shipping lines; OFF, ocean freight forwarder.