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Test Bank for Microeconomics: Theory And Applications With Calculus , 5th Edition

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    Microeconomics: Theory and Applications with Calculus Fifth Edition Jeffrey M. Perloff Test Bank (Download Only) for Microeconomics: Theory and Applications with Calculus Xin Fang

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    1 Microeconomic: Theory & Apps w/ Calculus, 5e (Perloff) Chapter 1 Introduction 1.1 Microeconomics: The Allocation of Scarce Resources 1) Microeconomics studies the allocation of A) decision makers. B) scarce resources. C) models. D) unlimited resourc es. Answer: B Topic: Microeconomics: The Allocation of Scarce Resources Skill: Analytical thinking Status: Old 2) Microeconomics is often called A) price theory. B) decision science. C) scarcity. D) resource theory. Answer: A Topic: Microeconomics: The Allocation of Scarce Resources Skill: Analytical thinking Status: Old 3) Society faces trade - offs because of A) government regulations. B) greedy corporations. C) faceless bureaucrats. D) scarcity. Answer: D Topic: Microeconomics: The Allocation o f Scarce Resources Skill: Analytical thinking Status: Old 4) A market A) always involves the personal exchange of goods for money. B) allows interactions between consumers and firms. C) always takes place at a physical lo cation. D) has no influence on p rices. Answer: B Topic: Microeconomics: The Allocation of Scarce Resources Skill: Analytical thinking Status: Old

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    2 5) What links the decisions of consumers and firms in a market? A) the government B) prices C) coordinati on officials D) microeconomics Answer: B Topic: Microeconomics: The Allocation of Scarce Resources Skill: Analytical thinking Status: Old 6) The price of a good is A) always equal to the cost of producing the good. B) never affected by the number of b uyers and sellers. C) usually d etermined in a market. D) None of the above. Answer: C Topic: Microeconomics: The Allocation of Scarce Resources Skill: Analytical thinking Status: Old 7) The twinkie tax example in Section 1.1 of the textbook is an example of how policies may affect A) which goods are produced. B) how goods are produced. C) who gets these goods. D) All of the above. Answer: D Topic: Microeconomics: The Allocation of Scarc e Resources Skill: Application of knowledge Status: New 8) Who or what is responsible for th e allocation of scarce resources into the production of most goods in the U.S.? A) the American government B) the UN C) the Federal Reserve Bank D) markets and prices Answer: D Topic: Microeconomics: The Allocation of Scarce Resources Skill: Application of knowledge Status: Old

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    3 9) Which one of the following is not a key trade - off a society faces? A) Who gets the goods and services B) Who produces the goods and services C) Which goods and services to produce D) How to produce Answer: B Topic: Trade - O ffs Skill: Analytical thinking Status: Old 10) An automobile manufacturer is trying to make decisions about using more workers or more equipment. This belongs to the trade - off A) Which goods and services to produce. B) How to produce. C) Who gets the go ods and services. D) Who produces the goods and services. Answer: B Topic: Trade - Offs Skill: Application of knowledge Status: Old 11 ) Income tax on the wealthy to finance the welfare for the poor causes income redistribution. This is an example for th e trade - off A) Which goods and services to produce. B) How to produce. C) Who gets the goods and services. D) Who produces the goods and services. Answer: C Topic: Trade - Offs Skill: Application of knowledge Status: Old 12) In year 2008, 1334 million l bs of milk was produced and sold in U.S. This is A) the decision of the U.S. department of agriculture. B) quantity determined by the interactions in the market. C) the maximum amount the producers could produce. D) what consumers needed. Answer: B Topic: Who Makes the Decisions Skill: Application of kno wledge Status: Old

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    4 For the following, please answer "True" or "False" and explain why. 13) Under most circumstances, the application of taxes on goods will only affect who gets the goods. Answer: Fal se. Taxes will affect which goods are produced, how g oods are produced, and who gets the goods. Topic: Microeconomics: The Allocation of Scarce Resources Skill: Application of knowledge Status: Old 14) Most modern financial centers use computers to mat ch buyers and sellers. This absence of personal conta ct contradicts the definition of a market. Answer: False. Buyers and sellers need not meet during a market transaction since a market is not tied to a particular location. Topic: How Prices Determine Allocations Skill: Application of knowledge Status: Old 15) Explain how a market helps determine which goods and services will be produced, how to produce them, and who gets them. Answer: A market promotes interaction between consumers and firms. This interaction will result in prices that influence the decisions of consumers and firms. Topic: How Prices Determine Allocations Skill: Written and oral communication Status: Old

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    5 1.2 Models 1) The purpose of making assumptions in economic model build ing is to A) force the model to yield the correct answer. B) minimize the amount of work an economist must do. C) simplify the model while keeping important details. D) express the relationship mathe matically. Answer: C Topic: Simplifications by Assumpti ons Skill: Analytical thinking Status: Old 2) Einstein was quoted saying "Everything should be made as simple as possible, but not simpler." When it comes to economic models this means that A) mod els shouldn't be too complex. B) models shouldn't be too simple. C) models should have a level of abstraction appropriate to the topic investigated. D) All of the above. Answer: D Topic: Models Skill: Analytical thinking Status: Old 3) If a model's pr edictions are correct, then A) its assumptions must have been correct. B) it is proven to be correct. C) Both A and B above. D) None of the above. Answer: D Topic: Models Skill: Analytical thinking Status: Old 4) Economists tend to judge a model based upon A) the reality of its assumptions. B) the accuracy of its predictions. C) its simplicity. D) its complexity. Answer: B Topic: Testing Theories Skill: Analytical thinking Status: Old

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    6 5) Which of the following is an exa mple of a normative statement? A) A higher price for a good causes people to want to buy less of that good. B) A lower price for a good causes people to want to buy more of that good. C) To make the good available to more people, a lower price should be se t. D) If you consume this good, you will be better off. Answer: C Topic: Positive Versus Normative Skill: Application of knowledge Status: Old 6) Every economic model should include money as a variable. This statement is A) true, because every transac tion in the economy uses money. B) true, because the federal reserve is very importa nt. C) false, because some transactions in the economy are transacted without money. D) false, because a model can get unnecessarily complex if it includes money. Answer: D Topic: Models Skill: Analytical thinking Status: Old 7) Which of the following is an example of a normative statement? A) Since this good is bad for you, you should not consume it. B) This good has bad health effects. C) If you consume this good, you will get sick. D) People usually get sick after consuming this good. Answer: A Top ic: Positive Versus Normative Skill: Application of knowledge Status: Old 8) Which of the following is an example of a positive statement? A) Since this good is bad for you, you should not consume it. B) If this good is bad for you, you should not cons ume it. C) If you consume this good, you will get sick. D) None of the above. Answer: C Topic: Positive Versus Normative Skill: Application of knowledge Status: Old

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    7 9) A theory stating that individuals make purchasing decisions based on tastes which change randomly at random intervals is not useful because A) it is not possible to test the predictions of the model. B) tastes are not the only factor influencing behavior. C) the model is too simplistic. D) the predictions of such a model would be incorr ect. Answer: A Topic: Testing Theories Skill: Analytical thinking Status: Old 10) "If fines for speeding when driving increase, fewer accidents will occur" is an example of a(n) A) positive statement. B) normative statement. C) negative statement. D) inverse statement. Answer: A Topic: Positive Versus Normative Skill: Application of knowledge Status: Old 11) "Government should impose stricter regulations on oil drilling" is an example of a A) normative statement. B) positive statement. C) negative statement. D) normal statement. Answer: A Topic: Positive Versus Normative Skill: A pplication of knowledge Status: Old 12) In the supply - demand models to analyze the wheat market, we assume that wheat sold by different sellers is largely the same. We make this assumption A) to test the model. B) to easily predict the market price. C) t o simplify the model while keeping important details. D) to avoid the complexities in the real world. Answer: C Topic: Simplifications by Assumptions Skill: Applicati on of knowledge Status: Old

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    8 13) Consumers choose their c ellphone plans according to their needs and package features. This is an example of A) importance of information to consumers' choices. B) importance of making personal budget. C) maximizing an obj ective that is subject to a constraint. D) minimize the cos t of cellphone usage. Answer: C Topic: Maximizing Subject to Constraints Skill: Application of knowledge Status: Old 14) Which of the following statements is a normative statement? A) Minimum wage reduces employment. B) Minimum wages causes surplus in labor market. C) Minimum wage will improve the living of junior works more than senior workers. D) Minimum wage should be welcomed by the low income class. Answer: D Topic: Positive Versus Norma tive Skill: Application of knowledge Status: Old 15) Inc rease in price of a good will increase consumers' demand. This is a(n) A) positive statement. B) true statement. C) inverse statement. D) normative statement. Answer: A Topic: Positive Versus Nor mative Skill: Application of knowledge Status: Old 16) Trade barriers should be removed to promote the welfare of the country. This is a(n) A) positive statement. B) negative statement. C) inverse statement. D) normative statement. Answer: D Topic: Po sitive Versus N ormative Skill: Application of knowledge Status: Old

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    9 17) Most microeconomic models assume that decision makers wish to A) make themselves as well off as possible. B) act selfishly. C) make others as well off as possible. D) None of the a bove. Answer: A Topic: Maximizing Subject to Constraints Skill: Analytical thinking Status: Revised 18) Which of the following is not an example of disruptive innovation that lead to the development of new theories? A) brick - and - mortar retailing. B) o nline payment system. C) social media. D) internet. Answer: A Topic: New Theories Skill: Application of knowledge Status: New For the following, please answer "True" or "False" and explain why. 19) Normative analysis offers decision makers the most valuable information when choosing among alternatives. Answer: False. Normative analysis states subjective goals but not how those goals can be achieved. To choose among alternatives, decision makers use positive analysis. Topic: Positive Versus Normati v e Skill: Analytical thinking Status: Old 20) If a model fits reality but doesn't generate testable predictions, it is of little value to economists. Answer: True. If the model doesn't deliver testable predictions, it cannot be tested against competing models. Topic: Testing Theories Skill: Analytical thinking Status: Old 21) If actual experience supports two competing theories, then both theories are proven to be true. Answer: False. Neither theory can be rejected, but if they are competing, then t he test was inconclusive. Topic: Testing Theories Skill: Analytical thinking Status: Old

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    10 22) Legislators argue that a minimum wage law is instituted to help poor people. Economists can attack the minimum wage law on two fronts. First, some argue that g overnment should not help the poor. Second, some argue that minimum wage laws a ctually hurt the poor because it creates unemployment. Which argument is normative and which is positive? Answer: An opinion about the role of government is a normative stateme nt. An observation about the impact of a law is a positive statement. Topic: Positive Versus Normative Skill: Application of knowledge Status: Old 1.3 Uses of Microeconomic Models in Your Life and Career 1) Economic policy of the government is often based on A) microeconomic models. B) educated guessing. C) intuitive reasoning. D) hints. Answer: A Topic: Uses of Microeconomic Models in Your Life and Career Skill: Analytical thinking Sta tus: Old 2) Microeconomic models are used to A) make predict ions. B) explain real - life phenomena. C) evaluate policy alternatives. D) All of the above. Answer: D Topic: Uses of Microeconomic Models in Your Life and Career Skill: Analytical thinking St atus: Old 3) A microeconomic model cannot be used to A) eval uate the impact of a price change on a firm's revenue. B) predict the impact on a rise of the minimum wage on unemployment. C) evaluate the fairness of the proposal to nationalize health insurance. D) evaluate the effect of an increase in stadium size on t he price of a sport team's tickets. Answer: C Topic: Uses of Microeconomic Models in Your Life and Career Skill: Application of knowledge Status: Old

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    11 4) The analysis of the competition between Apple and Samsung in the smartphone market is based on A) microeconomic model. B) educated guessing. C) intuitive reasoning. D) consumer surveys. Answer: A Topic: Uses of Microeconomi c Models in Your Life and Career Skill: Application of knowledge Status: Old For the following, please answer "True" or "Fals e" and explain why. 5) Microeconomics can be used by governments to predict the impacts of a policy and suggest solutions to pr oblems. Answer: True. Microeconomics models can be used to examine the effects of a policy, and can provide insight into possib le solutions to economics problems. Topic: Uses of Microeconomic Models in Your Life and Career Skill: Analytical thinking Sta tus: Old 6) One model in economics is the permanent income hypothesis, which basically states that a household's expenditures will not react to a change in income unless that change in income is viewed as being permanent. How would you use this model to predict the expenditure patterns over the course of a year of a real estate agent who only sells homes during the months of Apri l through July? Answer: The agent will not consume all of her income when it is earned. She knows that her paychecks will not b e coming during August through March. As a result, some of her summer income will be saved for use during those months. Topic: Uses of Microeconomic Models in Your Life and Career Skill: Application of knowledge Status: Old 7) One million automobiles have a defect that could cause the car to explode; however, only one of those cars will actually explode. Nobody knows which one car it is. When the car does explode, the victim's family will sue the automaker for $1 million and win . The defect costs $2 per car to repair. What does economics predict about the automaker's decision to repair the defect? Answer: Correcting the defect will cost $2 million. Not correcting the defect will only cost $1 million. Economics predicts that the automaker will not correct the defect. Topic: Uses of Microeconomic Models in Your Life and Career Skill: Application of knowledge Status: Old

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    1 Microeconomic: Theory & Apps w/ Calculus, 5e (Perloff) Chapter 2 Supply and Demand 2.1 Demand 1) Suppose the demand for Digital Video Recorders (DVRs) is given by Q = 250 - .25 p + 4 p c , where Q is the quantity of DVRs demanded (in 1000s), p is the pri ce of a DVR, and p c is the price of cable television. How much does the quantity demanded for DVRs change if the p rises by $40? A) drops by 10,000 DVRs B) increases by 16,000 DVRs C) drops by 2,500 DVRs D) increases by 4,000 DVRs Answer: A Topic: Demand Skill: Application of knowledge Status: Old 2) Suppose the demand for Digital Video Recorders (DVRs) is given by Q = 250 - .25 p + 4 p c , where Q is the quantity of DVRs demanded (in 1000s), p is t he price of a DVR, and p c is the price of cable television . How much does Q change if the price of cable television changes slightly (i.e. the partial derivative of demand with respect to p c )? A) 125 B) 4.25 C) 4 D) .25 Answer: C Topic: Demand Skill: Ap plication of knowledge Status: Old 3) Suppose the demand for Digital Video Recorders (DVRs) is given by Q = 250 - .25 p + 4 p c , where Q is the quantity of DVRs demanded (in 1000s), p is the price of a DVR, and p c is the price of cable television. How much of a change in p must occur for Q to increase by one? A) f all by 25¢ B) fall by $4 C) increase by 25¢ D) fall by $4.25 Answer: B Topic: Demand Skill: Application of knowledge Status: Old

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    2 4) According to the Law of Demand, the demand curve for a good will A) shift leftward when the price of the good increase s. B) shift rightward when the price of the good increases. C) slope downward. D) slope upward. Answer: C Topic: Demand Skill: Analytic al thinking Status: Old 5) An increase in the price of pork will lead to A) a movement up along the demand curve of pork. B) a movement down along the demand curve of pork. C) a rightward shift of the demand curve of pork. D) a leftward shift of the dema nd curve of pork. Answer: A Topic: Demand Skill: Analytical thinking Status: Revised 6) An increase in consumer i ncomes will lead to A) a rightward shift of the demand curve for plasma TVs. B) a movement upward along the demand curve for plasma TVs. C) a rightward shift of the supply curve for plasma TVs. D) no change of the demand curve for plasma TVs. Answer: A T opic: Demand Skill: Application of knowledge Status: Old 7) Consider the demand function Qd = 150 - 2P. The effects of other determina nts of Qd is reflected in A) the intercept of the function. B) the slope of the function. C) neither the slope nor th e intercept of the function. D) in both the slope and the intercept of the function. Answer: A Topic: Demand Skill: Analytical thinking Status: Old

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    3 8) Consider the demand functions: A) Qd = 250 - 2P B) Qd = 300 - 3P Which of the demand functions re flects a higher level of consumer incomes? A) A B) B C) A and B reflect the same consumer incomes. D) More information is needed. Answer: D Topic: Demand Skill: Application of knowledge Status: Old 9) Holding all other factors constant, consumers dema nd more of a good the A) higher its price. B) lower its price. C) steeper the downward slope of the demand curve. D) steeper the upward slope of the demand curve. Answer: B Topic: Demand Skill: Analytical thinking Status: Old 10) The demand curve for Widgets is given by Q D = 6000 - 2 y - 200 p + 30 p G , where Q D is the quantity of widgets demanded, y is the per capita income and p G is the price of Gizmos. An increase in per capita income will cause A) demand shifts left. B) demand shifts right. C) demand i ncreases. D) movement along the demand curve. Answer: A To pic: Demand Skill: Application of knowledge Status: Old 11) As the price of a good increases, the change in the quantity demanded can be shown by A) shifting the demand curve leftward. B) shift ing the demand curve rightward. C) moving down along the sa me demand curve. D) moving up along the same demand curve. Answer: D Topic: Demand Skill: Analytical thinking Status: Old

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