The topic of joint production theory has played a central role in neo-classical criticism of classical theory, in Sraffa’s proposed rehabilitation of classical theory, and in some Sraffa-based criticisms of Marxian theory. This prominence is not surprising for joint production (and the related...

Economic systems with a positive, uniform, and constant interest rate have been widely studied. It is shown that, in such systems, the presence of produced inputs undermines some standard results concerning the revenue function. The partial derivative, with respect to a product price, is not...

The authors present a survey of the work inspired by Piero Sraffa's analysis of joint production. The "squaren ess" of production systems is discussed, as is the role of "require ments for use." Choice of technique is considered, compared to the s ingle-products case, and related to J. von...