Veneziani, Roberto and Yoshihara, Naoki (2009): Exploitation and productiveness: the generalised commodity exploitation theorem once again.

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Abstract
In a recent contribution on this journal, Matsuo (2009) has provided an interesting argument to refute the Generalised Commodity Exploitation Theorem (GCET), by highlighting a potential asymmetry between labour and other commodities. In this paper, a novel characterisation of the relation between exploitation and productiveness that is at the heart of the GCET is proved. This result is interesting per se, because it is weaker and more general than the standard GCET. But, owing to the rigorous specification of all the relevant conditions, it also clarifies the structure of Matsuo’s argument, and its dubious theoretical features. It is also argued that, even if Matsuo’s formal argument were deemed convincing, a revised version of the GCET can be proved, which reinstates the symmetry between labour and other commodities in the standard Leontief setting.
Item Type:  MPRA Paper 

Original Title:  Exploitation and productiveness: the generalised commodity exploitation theorem once again 
Language:  English 
Keywords:  Value; exploitation; Generalised Commodity Exploitation Theorem. 
Subjects:  B  History of Economic Thought, Methodology, and Heterodox Approaches > B5  Current Heterodox Approaches > B51  Socialist ; Marxian ; Sraffian D  Microeconomics > D4  Market Structure, Pricing, and Design > D46  Value Theory 
Item ID:  30450 
Depositing User:  Roberto Veneziani 
Date Deposited:  22. Apr 2011 11:54 
Last Modified:  02. Jan 2016 19:18 
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URI:  https://mpra.ub.unimuenchen.de/id/eprint/30450 