... H E 1 S ¼ fs 4 , s 5 g fs 2 , s 3 g fs 3 , s 4 , s 5 g f s 4 , s 5 g fs 1 , s 2 , s 3 g fs 0 , s 1 g f s 3 , s 4 g f s 0 , s 1 g fs 2 , s 3 , s 4 g fs 3 , s 4 , s 5 g fs 3 , s 4 g f s 2 , s 3 , s 4 g fs 3 , s 4 g fs 1 , s 2 , s 3 g fs 2 , s 3 , s 4 g fs 1 , s 2 , s 3 g fs 4 , s 5 , s 6 g fs 5 , s 6 g fs 2 , s 3 , s 4 , s 5 g fs 4 , s 5 g fs 3 , s 4 , s 5 g fs 0 , s 1 , s 2 g fs 0 , s 1 , s 2 g fs 1 , s 2 g fs 3 , s 4 , s 5 g fs 4 , s 5 g fs 1 , s 2 , s 3 g fs 3 , s 4 , s 5 g fs 5 , s 6 g fs 2 , s 3 , s 4 g fs 5 , s 6 g f s 4 , s 5 g fs 1 , s 2 g fs 1 , s 2 , s 3 g fs 4 , s 5 g fs 0 , s 1 , s 2 , s 3 g fs 2 , s 3 g f s 3 , s 4 g f s 4 , s 5 g fs 2 , s 3 , s 4 g fs 5 g fs 4 , s 5 , s 6 g fs 0 , s 1 , s 2 g f s 1 , s 2 g fs 2 , s 3 , s 4 g fs 1 , s 2 , s 3 , s 4 g fs 3 , s 4 , s 5 g fs 0 , s 1 , s 2 , Diversity of services available Target Ecer, 2018;Sharma & Kumar, 2015;Spencer, Rogers, & Daugherty, 1994 c 2 Ability to provide value-added services Benefit Chu & Wang, 2012;Tsai, Wen, & Chen, 2007;Yan, Chaudhry, & Chaudhry, 2003 c 3 Information accessibility, including timeliness and reliability of information obtained Benefit Aghazadeh, 2003;Ecer, 2018;Bansal & Kumar, 2013;Yayla et al., 2015 c 4 Flexibility, ability to adapt to changing environments and to address special requirements Benefit Liu & Wang, 2009;Sharma & Kumar, 2015;Singh et al., 2018 c 5 Financial stability, exposing the continuity and reliability of services Benefit Ecer, 2018;Menon, McGinnis, & Ackerman, 1998;Sremac et al., 2018;Tsai et al., 2007 c 6 Response time to service requirements, involving delivery performance Cost Bansal & Kumar, 2013;Ecer, 2018;Sharma & Kumar, 2015;Yeung, 2006 c 7 Incompatibility, the degree of difficulty in cooperation and communication Cost Bansal & Kumar, 2013;Ecer, 2018;Jharkharia & Shankar, 2007 c 8 Willingness to bear risk, depending on the degree of risk aversion. It should not be too low or too high Target Leahy, Murphy, & Poist, 1995;Moberg & Speh, 2004;Sremac et al., 2018 Table 2. ...