B2B networks introduced for the new collaboration increases the level of interdependency between firms, while the B2B network alone does not significantly alter the level of inter-firm dependency.

In firms, the importance of members depend on that of their human capital or physical capital, while the effectiveness of inter-supervision rely on the nature of human capital.

The growth of family firms is the merge of the four inter-related capitals, named social financial, social human, social network and social cultural capital.