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1. What jobs did D.Ricardo do in his career? He wrote and served in Parliament’s House of Commons. His most famous work, Principles of Political Economy and Taxation (1817) marked him as the greatest spokesman for classical economics since Adam Smith.

2. What ideas made him especially famous in international economics? Ricardo is especially famous in international economics for demonstrating the advantages of free trade. Free trade is a policy in which tariffs and other barriers to trade between nations are removed.

3. What countries did he use in his explanation of comparative advantage? He used Portugal and England.

4. When did England adopt a policy of free trade? It happened in the 1840s.

DAVID RICARDO (1772-1823)

CLASSICAL CHAMPION OF FREE TRADE

David Ricardo is one of history’s most influential economists. Born in England, Ricardo made a fortune on the London Stock Exchange. This wealth gave him the time to write and to serve in Parliament’s House of Commons. His most famous work, Principles of Political Economy and Taxation (1817) marked him as the greatest spokesman for classical economics since Adam Smith.

Ricardo is especially famous in international economics for demonstrating the advantages of free trade. Free trade is a policy in which tariffs and other barriers to trade between nations are removed. To prove his point, Ricardo developed a concept we now call the principle of comparative advantage. Comparative advantage enabled him to demonstrate that one nation might profitably import goods from another even though the importing country could produce that item for less than the exporter.

Ricardo’s explanation of comparative advantage went as follows:

Portugal and England, both of whom produce wine and cloth, are

considering the advantages of exchanging those products with one

another.

Let’s assume that:

• x barrels of wine are equal to (and therefore trade evenly for)

y yards of cloth.

• In Portugal 80 workers can produce x barrels of wine in a year. It

takes 120 English workers to produce that many barrels.

• 90 Portuguese workers can produce y yards of cloth in a year. It

takes 100 English workers to produce y yards of cloth.

We can see, Ricardo continued, that even though Portugal can produce both wine and cloth more efficiently than England, it pays them to specialize in the production of wine and import English cloth. This is so because by trading with England, Portugal can obtain as much cloth for 80 worker-years as it would take 90 worker-years to produce themselves.

England will also benefit. By specializing in cloth, it will be able to obtain wine in exchange for 100 worker-years of labor rather than 120.

As a member of Parliament, Ricardo pressed the government to abandon its traditional policy of protection. Though he did not live to achieve that goal, his efforts bore fruit in the 1840s when England became the first industrial power to adopt a policy of free trade. There followed 70 years of economic growth during which the nation became the world’s wealthiest industrial power.