“…Several informal instruments have been considered and examined in relation to relational governance such as trust (Nooteboom et al, 1997;Poppo and Zenger, 2002;Yu et al, 2006;Ghosh and Fedorowicz, 2008;Liu et al, 2017;Shahzad et al, 2018), communication and information exchange (Poppo and Zenger, 2002;Cao and Zhang, 2011;Bstieler and Hemmert, 2015), as well as collaboration (Cai et al, 2009;Hernández-Espallardo et al, 2013;Dong et al, 2017) between buying firms and suppliers. However, trust is regarded as the most prominent relational governance mechanisms compared to the others as it is deemed to have a significant role in improving supply chain performance (Poppo and Zenger, 2002;Ghosh and Fedorowicz, 2008;Burkert et al, 2012;Cao and Lumineau, 2015;Liu et al, 2017).…”