>Yes, many things are but most theories do not presume to prove efficiency.
>All Sraffa was showing was that profits were indeterminate, and that with
>a different profit rates, you get different prices. No big deal unless
>you buy into neo-classical orthodoxy. More realistically, all sorts of
>thing influence profit rates -- including the legal environment.
Yup, which is why I never thought it was worth the trouble. Maybe I just don't find refuting neoclassical economics worth the trouble - it's so ludicrous anyway. Do I have to refute astrology too?
Doug