Sato, Claudio Seiji. “Relative Prices and Concentration in the Brazilian Industry: Analysis of the Expansion and Retraction Phases of Economic Activity from 1974 to 1994”. Brazilian Journal of Political Economy 16, no. 1 (January 1, 1996): 152-161. Accessed May 5, 2024. https://centrodeeconomiapolitica.org/repojs/index.php/journal/article/view/1197.