Challenging the perception that the Brazilian legislatures of the post-transitional period constitute a marginal institution in policy and decision-making, this study takes into account the politics of executive-legislative relations as an analytically distinct research target. It departs from the proposition that, in contexts of low degree of institutionalization, the limits and reaches of congressional-executive powers rely upon variations of time and is relational to the issue and policy-area at stake. In this vein, by developing an appropriate methodology that combines a classificatory...