Contemporary managerial processes are focused on communication and negotiation, where efficiency acquires an essential importance and its variation related to the managerial programme, with its time or space details, respectively related to the effectiveness of management, statistics, mathematics, etc. All these sciences and their methods meant to identify regularities and to generalize the alternatives, emphasizing their fundamental contribution to the majority of the results of the organizations, regions and national economies. This paper illustrates cybernetic communication’s theories based on information (with special stress being laid on the notions of data, language, message and decoding/encoding), and also underlines the functions and models of communication, the kind of form, and expression relationship human communication intends to achieve, the types of information with relation to communication, knowledge and creation, semantic, statistical and mathematical aspects woven into communication, the levels of theoretical approach of communication (with respect to the accuracy of symbol transmission, the accuracy of signification conveyed through symbols, and the efficacy of its influence on the recipient). The latter analysis (belonging to Warren Weaver) is specifically dwelt on, with special emphasis on the managerial activities. Initially the author proposes six solutions of using some methods of analysis, out of which one is strictly logical, then four distinct methods mainly statistical and mathematical in nature, and, in the end, one that is mainly sociological (the method of the flattened networks of internet type). The methods briefly presented easily characterize the communication, negotiation, and, finally, the decision-making processes, but especially their aggregation in an ample process, the managerial one. The frame method of the four “E” becomes the expression of the statistical way of thinking through effects and efforts of the economic activities, but it does not exclusively belong to them, it initiates a chain of efficaciousness-degree of economy-efficiency-effectiveness type, a chain that allows the interpretation, the placement in hierarchical order and the comparison of the processes and systems, whereas mathematics through the richness of the solutions, from using the probabilities of occurrence of the effects, to the informational energy, complete and generalize the entirety. Thus, there results a new economic paradigm of Homo Effectus, able to substitute the already contested Homo Rationalis.
