[eng] The relationships between the classical and neoclassical theories are much more complex that the neo-Ricardians use to recognize. Sraffa's study is indeed a clever criticism fo some ancient versions of the marginalist theory, such as those developed by Bo'hm-Bawerk or J.B. Clark, but it...

[fre] Quelques difficultés liées à la définition et aux propriétés des systèmes non fondamentaux dans l'œuvre de Sraffa. [eng] Some difficulties connected with the definition and properties of non-basic systems in Sraffa's work.