“On the whole it may be observed, that the specific use of a body of unproductive consumers, is to give encouragement to wealth by maintaining such a balance between produce and consumption as will give the greatest exchangeable value to the results of the national industry.”
Book II, Chapter I, On The Progress of Wealth, Section IX, p. 412-413
Principles of Political Economy (Second Edition 1836)
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Thomas Robert Malthus 60
British political economist 1766–1834Related quotes

“Exchange value forms the substance of money, and exchange value is wealth.”
Grundrisse (1857-1858)
Source: Notebook II, The Chapter on Money, p. 141.

Le Commerce et le Gouvernement (1776), as quoted in Marx's Capital, Vol. I, Ch. 5.

Source: A Treatise On Political Economy (Fourth Edition) (1832), Book III, On Consumption, Chapter I, p. 391 (See also: Say's Law)

How to profit by our Enemies
Bartlett's Familiar Quotations, 10th ed. (1919)

Broadcast (4 July 1948), quoted in The Times (5 July 1948), p. 6
Prime Minister
Source: A History of Economic Thought (1939), Chapter V, Reaction And Revolution, p. 208
Context: One thing which is striking in Malthus's theory is his insistence on contradictions and conflicts in the capitalist system. The system is shown not to be self-adjusting. Unless a large class of unproductive consumers was maintained, periodic over-production and stagnation would inevitably occur. For the first time, in English economic theory at any rate, the possibility of crises arising from causes inherent in the capitalist system was admitted.

Source: On the Fetish Character in Music and the Regression of Listening (1938), p. 279