[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.

We consider a bisector reproduction model in which money is introduced as a pure means of exchange issued by a bank at the producers' requests. Each capitalist aims at maximizing accumulation in his own sector. Their plans are based on available quantities and expected prices. Effective prices...

We propose to re-read Ricardo's theory of rent and its modern versions. Ricardo's dynamic approach follows the transformations of a long-term equilibrium with demand. Sraffa adopted the same framework while substituting a value criterion for a physical criterion to determine the incoming...

Maurice Potron (1872-1942) is a French Jesuit and a talented mathematician. A recent rediscovery of his economic model, which was left unnoticed in his times, lets Potron appear as a pioneer, both for the framework he conceived and the mathematical methods he used. Moreover, there are hints that...