there was considered that social conventions existence is relevant for the individual economic behavior, there has been necessary explain the both its origins and process of formation. specifically, we study situations where both the presence of multiple equilibria and the possibility of irreversibility of a take decision matters. then we choose deep the traditions of pathdepended decentralized evolutionary processes studies. we applied the hypothesis that bounded rationality individuals in some degree imitate the predominant observed behavior and we made a computational procedure of simulations. we observed the emergence of unanimity or majority structures and then we applied the observed results to both the emergence theory of money and technological choice theory.