Andrade, Monica Viegas; Gama, Marina Moreira da; Ruiz, … - In: Pesquisa e Planejamento Econômico - PPE 42 (2012) 3, pp. 329-362
concentrados que os de planos individuais. <P> Competition in the Health Insurance system in Brazil :: In this paper we investigate … Brazil – Agência Nacional de Saúde Suplementar (ANS) – to 2007 and 2010. We analyzed the competition structure performing …