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Various Formulae for Rate of Surplus-Value.

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portion in which the working-day, or the value produced by it, is divided between capitalist and labourer. If they are to be treated as direct expressions of the degree of self-expansion of capital, the following erroneous law would hold good: Surplus-labour or surplus-value can never reach 100%.^[1] Since the surplus-labour is only an aliquot part of the working-day, or since surplus-value is only an aliquot part of the value ereated, the surplus-labour must necessarily be always less than the working-day, or the surplus-value always less than the total value created. In order, however, to attain the ratio of 100:100 they must be equal. In order that the surplus-labour may absorb the whole day (i.e., an average day of any week or year), the necessary labour must sink to zero. But if the necessary labour vanish, so too does the surplus-labour, since it is only a function of the former. The ratio Surplus-labour/Working-day or Surplus-value/Value created can therefore never reach the limit of 100/100, still less rise to 100+x/100. But not so the rate of surplus-value, the real degree of exploitation of labour. Take, e.g., the estimate of L. de Lavergne, according to which the English agricultural labourer gets only ¼, the capitalist (farmer) on the other hand ¾ of the product^[2] or of its value, apart from the question of how the booty is subsequently divided between the

↑ Thus, e.g., in “Dritter Brief an v. Kirchmann von Rodbertus. Widerlegung der Ricardo’schen Theorie von der Grundrente und Begründung einer neuen Rententheorie. Berlin, 1851.” I shall return to this letter later on; in spite of its erroneous theory of rent, it sees through the nature of capitalist production.

Note by the Editor of the 3rd Edition. It may be seen from this how favourably Marx judged his predecessors, whenever he found in them real progress, or new and sound ideas. The subsequent publication of Rodbertus’ letters to Rud. Meyer has shown that the above acknowledgment by Marx wants restricting to some extent. In those letters this passage occurs: “Capital must be rescued not only from labour, but from itself, and that will be best effected, by treating the acts of the industrial capitalist as economical and political functions, that have been delegated to him with his capital, and by treating his profit as a form of salary, because we still know no other social organisation. But salaries may be regulated, and may also be reduced if they take too much from wages. The irruption of Marx into Society, as I may call his book, must be warded off.… Altogether, Marx’s book is not so much an investigation into capital, as a polemic against the present form of capital, a form which he confounds with the concept itself of capital.” (Briefe, &c., von Dr. Rodbertus-Jagetzow, herausgg. von Dr. Rud. Meyer, Berlin, 1881, I. Bd. p. 111., 48. Brief von Rodbertus.). To such ideological commonplaces did the hold attack by Rodbertus in his “social letters” finally dwindle down.
↑ That part of the product which merely replaces the constant capital advanced, is of course left out in this caluclation. Mr. L. de Lavergne, a blind admirer of England, is inclined to estimate the share of the capitalist too low, rather than too high.

[1] Thus, e.g., in “Dritter Brief an v. Kirchmann von Rodbertus. Widerlegung der Ricardo’schen Theorie von der Grundrente und Begründung einer neuen Rententheorie. Berlin, 1851.” I shall return to this letter later on; in spite of its erroneous theory of rent, it sees through the nature of capitalist production.

Note by the Editor of the 3rd Edition. It may be seen from this how favourably Marx judged his predecessors, whenever he found in them real progress, or new and sound ideas. The subsequent publication of Rodbertus’ letters to Rud. Meyer has shown that the above acknowledgment by Marx wants restricting to some extent. In those letters this passage occurs: “Capital must be rescued not only from labour, but from itself, and that will be best effected, by treating the acts of the industrial capitalist as economical and political functions, that have been delegated to him with his capital, and by treating his profit as a form of salary, because we still know no other social organisation. But salaries may be regulated, and may also be reduced if they take too much from wages. The irruption of Marx into Society, as I may call his book, must be warded off.… Altogether, Marx’s book is not so much an investigation into capital, as a polemic against the present form of capital, a form which he confounds with the concept itself of capital.” (Briefe, &c., von Dr. Rodbertus-Jagetzow, herausgg. von Dr. Rud. Meyer, Berlin, 1881, I. Bd. p. 111., 48. Brief von Rodbertus.). To such ideological commonplaces did the hold attack by Rodbertus in his “social letters” finally dwindle down.

[2] That part of the product which merely replaces the constant capital advanced, is of course left out in this caluclation. Mr. L. de Lavergne, a blind admirer of England, is inclined to estimate the share of the capitalist too low, rather than too high.

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