In recent years, analysis of financial time series has focused largely on data related to market trading activity. Apart from modelling the conditional variance of returns within the GARCH family of models, presently attention has also been devoted to other market variables, especially volumes,...

Our research aims at analyzing de possibility of formulating a theory of firms’ network, as an organisational form. The research begins by presenting the concept of complex adaptive systems, next we continue with two complementary points of view regarding the business network; in the third...

The extraction of relevant and meaningful information from large streams of data has become one of the major challenges for scientists working in the field of complex systems. In particular, one of the main goals is to get information about the underlying system of interactions that leads to...