“…Alliances are a key channel for knowledge sourcing (Aggarwal & Wu, 2019;Alvarez & Barney, 2001;Beckman & Haunschild, 2002;Dyer & Singh, 1998;Rosenkopf & Almeida, 2003;Rothaermel, Hitt, & Jobe, 2006;Villalong & McGahan, 2005), enabling the expansion and renewal of a firm's knowledge base (Agarwal & Helfat, 2009;Capron & Mitchell, 2009;Hoang & Rothaermel, 2010;Sosa, 2011). R&D alliances in particular allow firms to learn, to gain access to information they may not otherwise be able to access, and to develop crucial "know-how" that is of use in the innovation process (Ahuja, 2000;Hamel, 1991;Kale, Singh, & Perlmutter, 2000;Schilling & Phelps, 2007;Singh, Kryscynski, Li, & Gopal, 2016;Vasudeva & Anand, 2011). These benefits span not only the context of the particular relationship in which firms are engaged, but spillover to the broader set of firm activities-that is, knowledge acquired in one context can facilitate knowledge creation efforts more broadly (Doz, 2017;Gambardella & Panico, 2017;Kale, Dyer, & Singh, 2002;Khanna, Gulati, & Nohria, 1998).…”