Abstract This landmark article was first published in French in 1980 as Manuel Pérez, “Valeur et prix : un essai de critique des propositions néo-ricardiennes” in Critiques de l’économie politique (nouvelle série) n°10, Janvier-Mars 1980, which may be accessed at http://hussonet.free.fr/perez.pdf and was one of the earliest statements of what has become the TSS Interpretation …