Innovation, according to Regis Cabral, for a particular network is a new element introduced in the network which changes, even if momentarily, the costs of transactions between at least two actors, elements or nodes, in the network.

Sources:

Cabral, R. (1998) "Refining the Cabral-Dahab Science Park Management Paradigm", Int. J. Technology Management, Vol. 16, pp. 813-818.

Cabral, R. (2003) "Development, Science and" in Heilbron, J. (ed.), The Oxford Companion to The History of Modern Science, Oxford University Press, New York, pp. 205-207.