transformations of a long-term equilibrium with demand. Sraffa adopted the same framework while substituting a value criterion for a … studies have cast doubts on the validity of some of Ricardo's and Sraffa's over-optimistic conclusions, but the abandonment of …

criterion is at the basis of Sraffa's mistake in his reconstruction of the theory of rent, whereas post-Sraffian formalizations …

study to that of productive systems without lands by considering the marginal agricultural methods. Sraffa generalised the …