西方经济学微观CH7~8 学生版.doc

微观经济学纸质练习ch7-ch8 姓名： 学号： 得分： A Multiple choice(18*2’=36’) 1) International trade arises from A) absolute advantage. B) comparative advantage. C) importation duties. D) the advantage of execution. 2) With international trade, a country will export tires. Prior to international trade, the quantity of tires produced in the country ________ the quantity of tires consumed in the country. A) must be more than B) must be less than C) might be more than, less than, or equal to D) must equal The figure shows the market for shirts in the United States, where D is the domestic demand curve and S is the domestic supply curve. (3)The world price is $20 per shirt. In the figure above, with international trade American consumers buy ________ million shirts per year. A) 48 B) 32 C) 16 D) 24 4) In the figure above, with international trade ________ million shirts per year are produced in the United States. A) 48 B) 32 C) 16 D) 20 5) In the figure above, international trade ________ consumer surplus in the United States by ________. A) increases; $320 million B) decreases; $192 million C) increases; $192 million D) decreases; $320 million 6) A tariff is a A) tax on an exported good or service. B) tax on an imported good or service. C) subsidy on an exported good. D) subsidy on an imported good. The figure shows the market for shirts in the United States, where D is the U.S demand curve and S is the U.S. supply curve. The world price is $20 per shirt. The United States imposes a tariff on imported shirts, $4 per shirt. 7) In the figure above, with the tariff American consumers ________ million shirts per year. A) 40 B) 48 C) 32 D) 16 8) An import quota is a A) tariff imposed on goods that are dumped in the country. B) law that prevents ecologically damaging goods from being imported into a country. C) market-imposed balancing factor that keeps prices of imports and exports in equilibrium. D) government-imposed restriction on the quantity of