Spinato Morlin, Guilherme and Machado, Pedro S. (2024) Introdução ao Pensamento de Piero Sraffa. In: Angela Chieza, Rosa and de Araujo, Jorge Paulo, (eds.) Revisitando Piero Sraffa. Cirkula, Porto Alegre, pp. 23-66. ISBN 978-8571500853

Machado, Pedro S. ORCID: 0000-0002-5613-728X (2023) Globalization of production and absolute advantage in a classical approach. Review of Political Economy. pp. 1-19. ISSN 0953-8259 (Print), 1465-3982 (Online) (doi:https://doi.org/10.1080/09538259.2023.2265102)

Machado, Pedro S. and Trigg, Andrew B. (2021) On absolute and comparative advantage in international trade: a Pasinetti pure labour approach. Structural Change and Economic Dynamics, 59. pp. 375-383. ISSN 0954-349X (Print), 1873-6017 (Online) (doi:https://doi.org/10.1016/j.strueco.2021.09.005)