Re: [OPE-L] Robust correlations between prices and labour values

From: Alejandro Valle Baeza (valle@SERVIDOR.UNAM.MX)
Date: Thu May 04 2006 - 20:13:07 EDT


Jerry Levy wrote:

> > I recommend:
> > "Robust correlations between prices and labour values: a comment" by
> > W. Paul Cockshott and Allin Cottrell in Cambridge Journal of Economics
> > 2005, 29, 309-316
> > "The paper addresses Kliman's criticisms of the observed
> correlations between
> > prices and labour values. It argues that the notion of spurious
> correlation is not
> > relevant in this case. It examines Kliman's own simulations and
> shows that his
> > statistical correction techniques involve dividing through by the
> signal to
> > leave the noise." (my emphasis)
> > It is clear like water to me.
>
>
>
> Alejandro, Paul and Allin,
>
> A question: is "dividing through by the signal to leave the noise" a
> common or
> uncommon problem in articles published by scholarly journals? Are
> there any other
> examples that you can think of from heterodox economics or Marxian
> journals?
>
> In solidarity, Jerry
>
> PS:  Alejandro,  to say "it is clear as water" to not so clear
> nowadays in an epoch
> of history in which much of the world's water supply is polluted.
> Water often
> _appears_ to be clear to the naked eye but an examination under a
> microscope or
> a chemical analysis will often reveal something less clear.

Jerry, I know many misuses of Statistics but no other one like Kliman
error.
Yours
Alejandro

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