Re: [OPE-L] dynamic theories (Gravitation Mechanism)

From: Paul Cockshott (wpc@DCS.GLA.AC.UK)
Date: Mon Sep 10 2007 - 16:34:45 EDT

looking at your paper Ajit I am not surprised by the results.
Whenever I have attempted to run such dynamic input output models, since my
masters thesis in 1975 I have always found the instabilities your 
Frequently they become so severe that the reproduction of the system
fails because one of the industries in the basic sector closes down.

Paul Cockshott

-----Original Message-----
From: OPE-L on behalf of ajit sinha
Sent: Mon 9/10/2007 12:57 PM
Subject: Re: [OPE-L] dynamic theories (Gravitation Mechanism)
I'm attaching a draft paper written by my colleague
and myself on gravitation mechanism. I think it is
directly relevant to 90% of the debate on this list.
We would welcome all critical as well as 'friendly'
comments: The abstract is given below:

In this paper we use insights from Sraffa's classic,
PCMC, to argue that the classical notion of 'centre of
gravitation' is not a sound concept. The market
mechanics of labour allocation through price signals
and quantity adjustments, given effectual demands, do
not lead to a 'centre of gravitation'. We work out all
such possible market mechanisms, including the
specific classical case, and show that the 'centre of
gravitation' is a non-attractive point in all the

Cheers, ajit sinha
--- Ian Wright <wrighti@ACM.ORG> wrote:

> Hi Jerry
> I think that understanding "a complex dynamic
> process in which there
> are tendencies and counter-tendencies and *lots and
> lots* of variables
> (and hence uncertain outcomes)" requires a formal
> (e.g. mathematical
> or computational) approach. Natural language
> theorizing can encompass
> a lot of material without really getting to grips
> with the underlying
> causality. But there's room for many approaches.
> Best wishes,
> -Ian.

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