David Ricardo：On the Principles of Political Economy and Taxation, Excerpt 145

The remarks which have been made respecting foreign trade, apply equally to home trade. The rate of profits is never increased by a better distribution of labour, by the invention of machinery, by the establishment of roads and canals, or by any means of abridging labour either in the manufacture or in the conveyance of goods. These are causes which operate on price, and never fail to be highly beneficial to consumers; since they enable them with the same labour, or with the value of the produce of the same labour, to obtain in exchange a greater quantity of the commodity to which the improvement is applied; but they have no effect whatever on profit. On the other hand, every diminution in the wages of labour raises profits, but produces no effect on the price of commodities. One is advantageous to all classes, for all classes are consumers; the other is beneficial only to producers; they gain more, but every thing remains at its former price. In the first case, they get the same as before; but every thing on which their gains are expended, is diminished in exchangeable value.

Source： https://www.gutenberg.org/ebooks/33310
Locator：Excerpt 145 · Verified：2026-10-19 · Verification：Short excerpt

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