A successful projection of a decision assisting system supposes a good formulation and understanding of the problem, emphasizing the organization�s informational needs. This understanding can lead to a clear differentiation between the system analysis (�what has to be done?�) and...

Studies regarding the co-integration are frequently realized in the European Community to see in which measure the exchange markets of this are co-integrated, with the idea of creating in the future a unique European exchange market. Starting from these studies we will try to prove that there is...