EC120 Chapter Notes - Chapter 9: World Trade Organization, Market Power, Opportunity Cost
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EC120 Full Course Notes
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Recall from chapter 3: a country has a comparative advantage in a good if it produces the good at lower opportunity cost than other countries. Countries can gain from trade if each exports the goods in which it has a comparative advantage. The price that prevails in world markets. The country has a comparative advantage in the good. Under free trade, the country exports the good. The country does not have a comparative advantage. Under free trade, the country imports the good. Its actions have no effect on pw. Canada suits the de nition of a small economy: when a small economy engages in free trade, pw is the only relevant price. No seller would accept less than pw, since they could sell the good for pw in world markets. No buyer would pay more than pw, since they could buy the good for pw in world markets.