No extension of foreign trade will immediately increase the amount of value in a country, although it will very powerfully contribute to increase the mass of commodities and therefore the sum of enjoyments.
David RicardoA BOUNTY on the exportation of corn tends to lower its price to the foreign consumer, but it has no permanent effect on its price in the home market.
David RicardoBut a rise in the wages of labour would not equally affect commodities produced with machinery quickly consumed, and commodities produced with machinery slowly consumed.
David Ricardo