From: Simon Mohun (s.mohun@QMUL.AC.UK)
Date: Sat Oct 20 2007 - 09:51:16 EDT
Philip Dunn wrote: > This is one of M&V arguments. > > "2.2 Example 2: "Proof" that P > O, C [greater than or equal to] 0 > (Kliman & Freeman, 2006: 122) Kliman and Freeman's argument is that, > under commodity production, no prices are negative and some are > positive; inputs and gross outputs cannot be negative, and some outputs > must be positive. Therefore P > 0, C [greater than or equal to] 0. The > conclusion does not follow. That p and x are semi-positive vectors does > not imply that their product P is strictly positive." > > Autistically, this is quite correct. Not a profound argument - I agree. But if K&F rest their argument on logic, then they have to be logical themselves. Simon
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