Índices de ligações e setores chave na economia brasileira: 1959-1980

Recent exchanges in the literature on the identification and role of key sectors in national and regional economies have highlighted the difficulties of consensus regarding terminology, appropriate measurement as well as economic interpretation. In this paper, some new perspectives are advanced which provide a more comprehensive view of an economy and offer the potential for uncovering alternative perspectives about the role of linkages in input-output systems. The theoretical techniques are illustrated by reference to a set of input-output tables for the Brazilian economy (1959-1980). The paper thus provides a more comprehensive view than the ones proposed by Baer, Fonseca, and Guilhoto (1987), Hewings, Fonseca, Guilhoto, and Sonis (1989), and the recent contributions of Clements and Rossi (1991, 1992