David Ricardo：On the Principles of Political Economy and Taxation, Excerpt 84

With the progress of society, the natural price of labour has always a tendency to rise, because one of the principal commodities by which its natural price is regulated, has a tendency to become dearer, from the greater difficulty of producing it. As, however, the improvements in agriculture, the discovery of new markets, whence provisions may be imported, may for a time counteract the tendency to a rise in the price of necessaries, and may even occasion their natural price to fall, so will the same causes produce the correspondent effects on the natural price of labour.

Source： https://www.gutenberg.org/ebooks/33310
Locator：Excerpt 84 · Verified：2026-10-19 · Verification：Short excerpt

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