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 fromA) 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 thanB) must be less thanC) might be more than, less than, or equal toD) must equalThe 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) 48B) 32C) 16D) 244) In the figure above, with international trade _ million shirts per year are produced in the United States. A) 48 B) 32C) 16D) 205) In the figure above, international trade _ consumer surplus in the United States by _. A) increases; $320 millionB) decreases; $192 millionC) increases; $192 millionD) decreases; $320 million6) A tariff is aA) 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) 48C) 32D) 168) An import quota is aA) 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 a specific good that can be imported.9) When the United States imposes a tariff on a good, the amount of the _ in U.S. consumer surplus is _ the amount of the _ in U.S. producer surplus .A) increase; smaller than; increaseB) decrease; larger than; decreaseC) decrease; larger than; increaseD) decrease; equal to; increase10) Most economists agree that valid reasons for protecting trade include which of the following?I.The economies of scale argumentII.The saving jobs argumentIII.The protection of high wages argumentA) I onlyB) I and IIC) I and IIID) None of the reasons are valid.11) Toms consumption possibilities is defined by A) his income and the prices of the goods that he consumes.B) his preferences for consumption of the goods that he consumes.C) the prices of the goods that he consumes only.D) his income only.12) Total utility describesA) the benefit gained from all consumption.B) an increase in consumption multiplied by the gain in utility.C) total consumption multiplied by marginal utility.D) total consumption divided by marginal utility.13) Which of the following statements is true?A) As more of a good is consumed, its total utility increases, unless the good is subject to diminishing marginal utility.B) As more of a good is consumed, its total utility increases, even if the good is subject to diminishing marginal utility.C) No two people have identical utility functions, just as no two people have identical fingerprints.D) Both A and C above.14) The principle of diminishing marginal utility means that as you eat fewer slices of pizza, your total utility from pizza will _ and your marginal utility from each additional slice of pizza will _.A) increase; decreaseB) decrease; increaseC) increase; increaseD) decrease; decreasePizzaPepsiSlices per weekTotal utilityQuantity per weekTotal utility000011001702150213031753180419042205195525015) The table shows Elaines utility from pizza and Pepsi. If Elaine consumes 2 slices of pizza and 3 Pepsis, her marginal utility from the fourth Pepsi is _ units.A) 60B) 54C) 40D) 220Quantity of cheeseburgersTotal utility from cheeseburgers1362663864100511016) Julies total utility from cheeseburgers is given in the table above. What is the marginal utility of the third cheeseburger? A) 86B) 28.7C) 20D) 1417) Total utility is maximized when a consumer has spent all of his or her income andA) spent equal amounts on all goods.B) marginal utility is maximized.C) the total utility per dollar from all goods is equal.D) the marginal utility per dollar from all goods is equal.Quantity of DVDsMarginal utility from DVDsQuantity of pizzaMarginal utility from pizza1150120021202180310031504904120560510064066018) Lisa spends all her income on pizzas and DVDs. The above table shows Lisas marginal utility for pizza and marginal utility for DVDs. If the price of a pizza is $10, the price of a DVD is $5, and Lisa has $40 to spend on the two goods, what combination of pizza and DVDs will maximize her utility?A) 6 DVDs and 1 pizzaB) 4 DVDs and 2 pizzasC) 2 DVDs and 3 pizzasD) 5 DVDs and 4 pizzasB True or false(10*1=10)1) A consumers total utility is maximized when the total utility per dollar from all goods is equalized.2) If the price of a good increases, a consumer will substitute away from the relatively more expensive good, which will increase the marginal utility for that good and bring the consumer back to equilibrium.3) The Paradox of Value is resolved by the willingness for an individual to pay a high price for a good or service that has a high marginal utility per dollar.4) When Kathryn spends her entire budget and equates marginal utility per dollar across all goods Kathryns total utility is maximized.5)If it costs $6.00 to go to the movies and $25.00 to go to a hockey game, Tom is maximizing his utility between movies and hockey if his marginal utility of movies is 12 units and his marginal utility from hockey is 25.6) As a result of an increase in tariffs, imports decrease and government revenue increases.7) Tariffs and import quotas both decrease the amount of a good consumed and raise the price paid by domestic residents for the good.8) When Toms income increases, his demand curve for Mountain Dew shifts rightward because the higher income increases his marginal utility of Mountain Dew.9) Total utility is the benefit received from consuming an extra unit of a good.10) According to the principle of diminishing marginal utility, as an individual consumes more and more of a good or service, the total utility increases while the marginal utility decreases.C Calculation(14)BananasA