I'm responding to Andrew's defence of the v=0 assumption.
I too have thought that that conclusions drawn with respect
to this limiting case might be instructive. But... didn't
Andrew berate me (legitimately) just a week or two ago for
appealing to results on the maximum rate of profit as any
sort of guide to the behaviour of the actual rate of profit
(then, in the context of Okishio, Roemer and all)?
Allin Cottrell