In the first part of the article the author uses surveys conducted by Idesp in order to argue that Brazilian elites are guickly reexamining the ideological conceptions on which the growth model initiated int the 1930's was based. In the second part he argues that the politico-institucional model will also require deep reexaminado a. According to him that model was an attempt to combine corporatism in the interest representation sphere with strongly consociational electoral and party arrangements and plebiscitarían presidentialism as an would-be unifying factor on top of a highly fragmented system. In the final section the author outlines a parliamentarist alternative and the electoral reforms needed to reinforce it.