Marconi, N., G. Magacho, J. G. R. Machado, and R. de A. R. Leão. “Profit Margins, Exchange Rates and Structural Change: Empirical Evidences for the Period 1996-2017”. Brazilian Journal of Political Economy, vol. 40, no. 2, May 2020, pp. 285-09, doi:10.1590/0101-31572020-3093.