“…More and more studies of corporate finance have been undertaken from a social network perspective. Numerous authors have assembled various types of social networks, such as board network (Larcker, So, & Wang, 2013), CEO network (El-Khatib, Fogel, & Jandik, 2015), venture capital network (Hochberg, Ljungqvist, & Lu, 2007) and so on, and they have provided empirical evidence of these networks' effects on corporate governance (Chen, Wang, & Lin, 2014;Nee, Liu, & DellaPosta, 2017;Kim, 2017). Supply networks share common features with these networks in terms of information acquisition and reciprocal cooperation.…”