Indeed, the administration is one of the most important areas of the activity human being, therefore it makes possible taken of decision, coordination of diverse activities, to manage people, to evaluate performances and results, allocation of resources etc’ ‘. The abrangncia of the managemental activities becomes it complex and excellent, making with that it has greater dependence of the managers to its collaborators, therefore in such a way will only obtain to efficiently act in all the sectors of the company. However, in the participativa management the collaborators have active place in the organizations, therefore the decision taking is not function only of the controlling or the managing superintendent of the company. This managemental model lode to revolutionize all the others, therefore, more than what to manage people it is to manage with people.

In such a way, Mentzberg (2003, P. 113) questions: ‘ ‘ … why an organization must decentralize? Simply because nor all its decisions can be understood in a center, in one crebro’ ‘. The managers do not have as to need the real difficulties and necessities in the diverse sectors the company, and this will make it difficult in the elaboration of strategies of functioning of the same one. But, with the participation of the involved people in the diverse levels, it will have increase of quality in the decisions and in the administration, why the decisions will not be based on one diagnosis intuitivo, but real. In the participativa organization all the ones that are involved in the process (internal, external, supplying customers) they have the right to share in the taking of decisions, not only of sporadical form, but, routinely. For Mentzberg (2003, p, 129) ‘ ‘ the decentralization is complete when the power is not based on position or knowledge, but in the filiation.