This paper argues that the condition of uniform rate of profits in Sraffa's system is not based on his implicit assumption that the system is at the 'equilibrium' or the center of gravitation. It is rather a logical requirement of a reproducing system of basic goods as long as prices are not...

This paper presents an alternative to both Sraffa’s and his critics’ interpretations of the nature of Ricardo’s search for an ‘invariable measure of value’. It points out that Ricardo recognised two causes of change in the relative values of commodities: (i) changes in the labour...