[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.

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...

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...