Definitions in Political Economy, / Preceded by an Inquiry Into the Rules which Ought to Guide Political Economists in the Definition and Use of Their Terms; with Remarks on the Deviation from These Rules in Their Writings

by T. R. Malthus

SOURCES OF WEALTH.

8. Land, labour, and capital. The two original sources, are land and labour; but the aid which labour receives from capital is applied so very early, and is so very necessary in the production of wealth, that it may be considered as a third source.