Feliciano Dias Sampaio , P.H. , Donadio Miebach , A. and Morrone, H. 2022. Productive and non-productive activities in Brazil: a classic-Marxian analysis. Revista Economia Ensaios. 37, esp. jan. (Jan. 2022). DOI:https://doi.org/10.14393/REE-v37nesp.a2022-64430.