Reply to Gehrke

This paper responds to Christian Gehrke's comment, and argues that the main conclusion of my earlier paper is sustained—that, contrary to Sraffa, Marx did not ‘adopt’ in any sense of the word the joint product method of treating fixed capital. It agrees with Gehrke that Torrens adopted a form of the joint product method, and that Malthus seems to have followed Torrens in this regard. However, it argues that Ricardo did not adopt the joint product method, not even in the one instance cited by Sraffa. Finally, it argues briefly that Marx's ‘transformation of value’ method of treating fixed capital and depreciation is superior to Sraffa's joint product method.     

Reply to Alan Day Haight

Alan Day Haight is incorrect in understanding Piketty’s paradox as a “dynamic version” of Keynes’ paradox of thrift. Keynes’ paradox of thrift deals with equilibrium conditions relating to the flows of savings and investment. In contrast, the capital output ratio central to Piketty’s paradox deals with a stock (capital) relative to a flow (output). Balanced growth cannot be considered an “equilibrium” condition without specifying an adjustment mechanism whereby balanced growth is re-established when the capital-output ratio becomes unbalanced. As illustrated by the Harrod-Domar case this unbalancing can be particularly degenerative when idle capacity develops.     

Reply to Cockshott and Cottrell

This note reaffirms the author's conclusion that measured price–valuecorrelations have been tainted by the influence of industrysize and are therefore spurious. ‘Deflation’ ofsectoral prices and values by costs destroys the correlationonly because the theory in question is false, as the author'soriginal paper proved deductively. Cockshott and Cottrell'sresults do not refute this proof. Deflation destroys the correlationbetween their simulated prices and values precisely becausetheir simulation model assumes that the theory is false.     

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