Market shares in the Brazilian health sector

摘要

The current paper presents in its first part a theoretical framework for analyzing the main market failures in the health sector followed by a general evaluation of the private health sector in OCDE countries and a comparative approach to the Brazilian case. In the second part, there is a brief historical of the private health sector in Brazil since the seventies and also some inferences are drawn from Pnad – IBGE data that allow a picture of private insurance consumers.