8Granovetter M S. Economic action and social structure: The problem of embeddedness[J]. American Journal of Sociology, 1985(91) :481-510.
9Christensen C M, R S Rosenbloom. Explaining the Attacker's Advantage.. Technological Paradigms, Organizational Dynamics, and the Value Network[J]. Research Policy, 1995,24 (2) : 233- 257.
10M Granovetter. The Impact of Social Structure on Economic[J]. Journal of Economic Perspectives, 2005,19 (1) :33-50.