Not quite that simple.  The moral depreciation can eat up capital quickly.  
That was the story of the late 19th C. U.S. Depression - at least part of the 
story.  I don't have time to retell it here.

From: [email protected] 
[mailto:[email protected]] On Behalf Of Shane Mage
Sent: Friday, February 08, 2013 9:02 PM
To: Progressive Economics
Subject: Re: [Pen-l] the tendency for the rate of profit to fall [was: R.P 
Wolff on Ricardo on Machinery


On Feb 8, 2013, at 9:31 PM, michael perelman wrote:


Technical change devalues capital; those losses do not figure in
Okishio's model.

If extended over a sufficiently long run, even very roughly approximate rates 
of capital consumption for each type of physical capital will combine physical 
and moral wear and tear, and average out over time (since everything will have 
to be replaced) so the calculation of actual changes in the rate of profit over 
several decades will closely approximate the actual trend.  Precise calculation 
of its capital consumption might be useful for analysis of the market-value of 
a particular company's stock. Such calculation is as irrelevant as it is 
impossible for determination of long term accumulation trends.




Shane Mage

"L'après-vie, c'est une auberge espagnole. L'on n'y trouve que ce qu'on a 
apporté."

Bardo Thodol



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