“…More recently, scholars have sought to understand how a firm's knowledge base can influence the management of alliances and alliance portfolios (Grant & Baden-Fuller, 2004;De Mattos, Burgess, & Shaw, 2013;Zhang, 2016). This literature has highlighted the complementarities between a firm's internal knowledge base and its external linkages and has shown its relevance for innovation and increased performance (Enkel, Gassmann, & Chesbrough, 2009;Hughes & Wareham, 2010;Lichtenthaler, 2011;Xia, 2013).…”