He is also a researcher of the Brazilian National Research Council (CNPq) and Fellow of the Rio de Janeiro Research Foundation. He is the author of Reason and difference: Affectivity, rationality and relativism in the thought of Lévy-Bruhl (UFRJ/Grypho, 1994), Some anthropology (Relume Dumarä, 1999), How democracy works: An ethnographic theory of democracy (7 Letras, 2006, to be published in English this year by Sean Kingston) as well as co-editor, with Moacir Palmeira, of Anthropology, voting and political representation (Contra Capa, 1996).