On May 7, 2013, at 11:12 PM, Jim Devine wrote:
[*] The productivity of labor-power is what's usually called the
"productivity of labor," confusing people (including me). For a
specific type of concreted labor-power, the "productivity of
labor(power)" equals (use-values produced per ounce of labor
done)*(the number of ounces of labor done per hour of labor-power
hired) which equals (the effectiveness of labor)*(the intensity of
labor). The "effectiveness of labor" is what people usually think
we're referring to when we refer to the "productivity of
labor(power)."
It shouldn't be so confusing. Just as commodity-producing labor has a
dual, contradictory, character embodied in the commodity--material
transformation (concrete) and value-enhancment (abstract); so does
labor power in that exercise have a dual, contradictory character--
productive activity (concrete) and source of surplus-value (abstract).
Shane Mage
"Value is the relation of production costs to utility" (Engels)
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