On Thu, 25 Apr 1996, Paul Cockshott wrote:
> Why do I say absolute surplus value is necessary but
> relative is not?
> 
> Absolute surplus value refers to the static fact that the
> working day is longer than the amount of labour
> currently required to produce the wage.
This is not correct.  Production of Abs. S. V. is a STRUGGLE by capital 
to get more.  The length of the working day is a fight, not a "static 
fact".  Cf. Chapter 10, "The Working-Day" which is rivetted by discussion 
of struggle.  See particularly, the last (great) paragraph of the first 
section.
> Relative surplus value refers to changes in the value 
> of the wage due to technical advances. This is not
> a precondition, since simple reproduction at the existing
> value of the real wage is a possibility.
But capitalists will never give up on this possibility--thus the use of 
the term necessity.  At times they may not succeed, but that is not the 
point. 
> There is in principle a third mechanism, that Marx out
> of theoretical 'charity' downplayed, absolute reductions
> in the real wage.
> 
> If we observe the establishment of capitalism in 
> Russia over the last few years, its initial precondition
> was to transfer a portion of the social income that formerly
> accrued to workers in the form of wages and, equally importantly,
> benefits in kind, into profit. This was done by establishing
> absolute surplus value:
> a) A very substantial reduction in real wages
> b) Reducing the work force in factories, so that each worker
>    had to perform more labour daily, the level of technology
>    remaining either unchanged, or, more usually actually regressing.
> 
> My concern is that by asserting the necessity of relative
> surplus value we would be grossly overestimating the progressive
> potential of capitalist industry.
You are right for us not to only focus on success, but also failures 
(including the environmental impacts of capitalist technology).  This 
could lead us into a discussion of the social basis of tecnological 
change but I think we have enough to chew on for the moment.
Paul Z.