Walter W. Powell Quote
When the knowledge base of an industry is both complex and expanding and the sources of expertise are widely dispersed, the locus of innovation will be found in networks of learning, rather than in individual firms.
Walter W. Powell, Kenneth W. Koput, and Laurel Smith-Doerr. "Interorganizational collaboration and the locus of innovation: Networks of learning in biotechnology." Administrative science quarterly (1996): 116-145.