2 ABSTRACT Over the last decade, there has been an upsurge in interest among scholars on the importance of tacit knowledge transfer in firms, due to the belief that tacit knowledge represents a major source of sustainable competitive advantage (Darr and Kurtzberg, 2000). Despite this interest, factors affecting knowledge transfer at the micro level of analysis, namely a firm‟s interpersonal relationships and communication patterns, have been largely ignored, leaving a significant gap in substantive knowledge. This study will combine the foregoing micro level aspects of knowledge transfer with important contextual factors of the network environment: the geographic proximity of businesses in the network, the structural equivalence of network ...