“…A number of factors, including physical proximity (Hansen and Løvås, 2004;Salomon and Martin, 2008), social similarity (Loyd et al, 2010), knowledge overlap (Simon, 1991), the strength of the relationship between the source and a recipient (Aral and Van Alstyne, 2011) and even properties of the knowledge being shared (Szulanski, 1996), can influence the knowledge transfer process (Argote et al 2003;Phelps et al 2012). While fully recognizing the importance of these factors, we consider how the presence of strong ties inside a community or network neighborhood ("internal cohesion") influences the transfer of knowledge from a source to a potential recipient.…”