help: simple reproduction from Halevi

Tue Oct 10 20:11:07 MDT 1995

Date:          Mon, 9 Oct 1995 23:21:12 -0800
From:          jones/bhandari <djones at>
To:            marxism at
Subject:       help: simple reproduction
Reply-to:      marxism at

This passage (copied below) from Theories of Surplus Value (vol unknown)

"If the total capital employed in the machine-building industry were even
only large enough to replace the annual wear and tear of machinery, it
would produce more machinery than it required each year, since in part the
wear and tear ins conventional and in reality only has to be replaced *in
natura* after a certain period ofyears....In order that this capital should
continue in motion an dmerely reproduce itself continuously each year, a
continuous new extention of the indsutry which uses these machines is
required....Here therefore, even *if this sphere of production the capital
invested in it is only reproduced* continuous accumulation in other spheres
of production is necessary."


Comments by Joseph Halevi

Similar passages can be found in Volume 2 of Capital. The point is 
correct. Say you start with a brand new machine which will last for 
five years and assume that one machine can produce one new machine 
each year. Assume for simplicity a dual economy in which the 
consumption good is produced by labor alone during the first year
of the production of the new machine. After the first year the new 
machines are all installed in the consumption goods sector. Then after five years 
you will have five new machines while needing to replace only one. 
You can however tend towards simple reproduction by planning the 
sectoral distribution of the stock of capital. Thus by keeping one 
machine in the capital goods sector and 3 in the consumption sector, 
the single machine in the capital goods sector will always produce 
the replacement machine thereby ensuring simple reproduction. 
Numerically : Kk =   machines installed in the capital goods sector, 
Kc machines installed in the consumption goods sector; 1Kk produces 
one M, new machine which can go to either sectors. If during the five 
years of the life of the single Kk machine all new machines (of 
similar life span) are installed in the consumption sector, we have:

First Year :       Kk =1, M=1, Kc = 0    replacement = u = 0
Second Year :   Kk =1, M=1, Kc = 1    u = 0
Third Year :     Kk =1, M=1, Kc = 2    u = 0
Fourth Year:    Kk =1, M=1, Kc = 3    u = 0
Fifth Year :      Kk= 1, M=1, Kc = 4    u = 1
Sixth Year :      Kk= 1, M=1, Kc = 4    u = 1 no change thereafter.

The schemas of simple and expanded reproduction and indeed all the 
analysis developed in Volume 2 are the most interesting part of 
Marx's economic writings, Volume 1 being too much under Ricardo's 

Kindest regards, Joseph Halevi

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