This article aims to analyze under theory of graphs assumptions, small worlds approach, how the configuration of the global network of relations among board members of public companies listed in the Brazilian between 2004 and 2007 evolved. To verify the validity of small world approach, the...

Starting from sociological perspectives on complexity, we show how the social capital of boards and owners networks affects the implied cost of capital of companies listed on Brazilian stock exchange. We specifically show arguments and evidence that the effect of the relational resources found...