Ascenso y hegemonía: pensando a las potencias emergentes desde América del Sur

this article is framed within the current debate on emerging powers from a latin american perspective. it tries to solve some of the theoretical problems of the mainstream rationalist approach in ir theory, proposing a model of change rooted in the current realist program. this framework is applied to the study of power politics in south america with the goal of answering two major questions: why has brazilian foreign policy been so successful in positioning this country as an emerging power? and why have not any country in the region reacted accordingly to the challenge posed by its mayor regional counterpart rise?