Critique of Political Economy in the 21st Century: A Comment on the Recent Debates Regarding the Marxian “Transformation Problem”. PROKLA. Journal of Critical Social Science, Berlin, DE, v. 47, n. 188, p. 453–470, 2017. DOI: 10.32387/prokla.v47i188.72. Disponível em: https://prokla.de/index.php/PROKLA/article/view/72. Acesso em: 7 feb. 2026.