I would never claim that Sraffa's effort did not
> include differential rent. However, let's assume that all
> producers
> that use land to produce a given commodity use the same
> technique.
> If there are processes that do not produce both profit and rent,
> then
> it's difficult to see how you would eliminate land from the
> Standard
> system. Yet, to determine the level of rent one would need to
> know something of demand.
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Why can't you read the small chapter before writing all this stuff?
Since this is the kind of stuff you are theoretically so occupied
with, there is no excuse for not coming to terms with Sraffa in a
serious way. Sraffa's point is that the theoretical existence of
the two techniques is the only index of scarcity of land. If two
technologies of his kind could not exist then there is no scarcity
of land, and there will be no rent. And of course, when there is no
rent on land, then land is a free good just like air and therefore
will not figure in on the side of the means of production.
I do not have time for anything
further now. So for now, cheers, ajit sinha