Quiz 1: Introduction: What Is Economics
Business
Q 1Q 1
Economics is best defined as the study of:
A)financial decision-making.
B)how consumers make purchasing decisions.
C)choices made by people faced with scarcity.
D)inflation,unemployment,and economic growth.
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Multiple Choice
C
Q 2Q 2
Economics is the study of:
A)how to invest in the stock market.
B)how society uses limited resources.
C)the role of money in markets.
D)how government officials decide which goods and services are produced.
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Multiple Choice
B
Q 3Q 3
Scarcity can best be defined as a situation in which:
A)there are no buyers willing to purchase what sellers have produced.
B)there are not enough goods to satisfy all of the buyers demands.
C)resources are limited in quantity and can be used in different ways.
D)there is more than enough money to satisfy consumers wants.
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Multiple Choice
C
Q 4Q 4
Because resources are limited:
A)only the very wealthy can get everything they want.
B)firms will be forced out of business.
C)the availability of goods will be limited but the availability of services will not.
D)people must make choices.
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Multiple Choice
Q 5Q 5
Which of the following is NOT a factor of production?
A)money
B)human capital
C)physical capital
D)labor
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Multiple Choice
Q 6Q 6
Printing presses,forklifts and assembly plants are examples of which factor of production?
A)physical capital
B)human capital
C)entrepreneurship
D)labor
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Multiple Choice
Q 7Q 7
The effort used to coordinate the factors of production and produce goods and services is called:
A)entrepreneurship.
B)capital accumulation.
C)land ownership.
D)land.
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Multiple Choice
Q 8Q 8
When Bob,a recent college grad,took an internship at an accounting firm,he is accumulating which factor of production?
A)physical capital
B)human capital
C)entrepreneurship
D)natural resources
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Multiple Choice
Q 9Q 9
The factors of production include:
A)natural resources.
B)labor.
C)entrepreneurship.
D)all of the above.
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Multiple Choice
Q 10Q 10
An economic model is:
A)a small but completely working economy.
B)a simplified representation of an economic environment.
C)any graph.
D)all of the above.
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Multiple Choice
Q 11Q 11
Which of the following is an example of scarcity?
A)If you choose to play video games you will not have as much time for exercise.
B)If a city uses an acre of land to build a park there will be less land for houses.
C)If I decide to buy a new car I may not have enough money to go away on vacation this year.
D)All of the above are examples of scarcity.
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Multiple Choice
Q 12Q 12
________ is a situation in which resources are limited in quantity and can be used in different ways.
A)Choice
B)Scarcity
C)Economics
D)Supply and demand
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Multiple Choice
Q 13Q 13
Resources are all of the following EXCEPT:
A)unlimited and in abundance.
B)the things we use to produce goods and services.
C)limited in quantity and can be used in different ways.
D)scarce and therefore requiring choices to be made.
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Multiple Choice
Q 14Q 14
In which of the following markets is a person's time and effort exchanged for money?
A)consumer market
B)capital market
C)labor market
D)goods market
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Multiple Choice
Q 15Q 15
An arrangement that allows buyers and sellers to exchange things is called:
A)a contract.
B)a market.
C)money.
D)efficient.
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Multiple Choice
Q 16Q 16
Which of the following is NOT a market?
A)a group of children trading Pokemon cards
B)a cattle auction
C)your college bookstore
D)All of the above are markets.
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Multiple Choice
Q 17Q 17
Which of the following is NOT a market?
A)an online electronic auction
B)a group of paving contractors bidding for a road construction contract
C)ticket scalpers selling tickets outside a sold-out sports event
D)All of the above are markets.
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Multiple Choice
Q 18Q 18
Markets perform all of the following functions EXCEPT:
A)determining the prices of goods and services.
B)helping firms decide what to produce.
C)helping firms decide how to produce.
D)determining why a firm chooses to produce a certain product.
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Multiple Choice
Q 19Q 19
In a modern market economy,most of the answers to the questions of what to produce,how to produce it,and who should get the production are made by:
A)governments.
B)individuals.
C)firms.
D)both B and C.
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Multiple Choice
Q 20Q 20
Which of the following is NOT a key economic question?
A)What products to produce?
B)Who produces the products?
C)How to produce the products?
D)Who gets the produced products?
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Multiple Choice
Q 21Q 21
Which of the following is NOT an economic decision in a modern economy?
A)Who consumes the products produced?
B)What will be produced?
C)Where will the products produced be consumed?
D)How will we produce it?
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Multiple Choice
Q 22Q 22
Deciding how products of a society are distributed among the citizens in an economy answers the economic question of:
A)Who consumes the products produced?
B)What will be produced?
C)Where will the products produced be consumed?
D)How will we produce it?
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Multiple Choice
Q 23Q 23
Deciding if a college uses more PhDs to teach introductory classes answers the economic question of:
A)Who consumes the products produced?
B)What will be produced?
C)Where will the products produced be consumed?
D)How will we produce it?
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Multiple Choice
Q 24Q 24
Deciding if a company will produce automobiles by manual labor or with the use of robots answers the economic question of:
A)Who consumes the products produced?
B)What will be produced?
C)Where will the products produced be consumed?
D)How will we produce it?
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Multiple Choice
Q 25Q 25
Positive economics:
A)is the focus of most modern economic reasoning.
B)concerns the forces that affect economic activity.
C)predicts the consequences of alternative actions.
D)All of the above are correct.
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Multiple Choice
Q 26Q 26
Which of the following is NOT an example of a question answered by positive analysis?
A)How will an increase in the price of gasoline affect taxi drivers?
B)What fraction of an income-tax cut will be spent on consumer goods?
C)How will an increase in interest rates affect investment in factories?
D)Should the government increase the minimum wage?
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Multiple Choice
Q 27Q 27
Normative economic analysis:
A)is the focus of most modern economic reasoning.
B)answers the question "What ought to be?"
C)predicts the consequences of alternative actions.
D)All of the above are correct.
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Multiple Choice
Q 28Q 28
Which of the following is an example of a normative question?
A)How will an increase in the price of gasoline affect taxi drivers?
B)What fraction of an income-tax cut will be spent on consumer goods?
C)Should the government provide free prescription drugs to senior citizens?
D)How will an increase in the minimum wage affect teenaged workers?
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Multiple Choice
Q 29Q 29
Which of the following is a question answered with positive economic analysis?
A)If we had more money,should the college offer free parking for students?
B)If we can afford it,should the college provide more financial aid assistance?
C)If the college increased tuition,by how much will class sizes decline?
D)As a result of the recession,should the college cut tuition to stimulate enrollments?
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Multiple Choice
Q 30Q 30
Which of the following is NOT a question answered with normative economic reasoning?
A)If we had more money,should the college offer free parking for students?
B)As a result of the recent recession,should the college offer more financial aid assistance?
C)If the college increased tuition,what is the estimated decline in enrollments?
D)Given the additional funding that we received,should the college cut tuition to stimulate enrollments?
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Multiple Choice
Q 31Q 31
Which of the following is a question that needs to be answered with normative economic reasoning?
A)If the college offers free parking for students,will more students drive to campus?
B)If the college provided more financial aid assistance,would more students benefit?
C)If the college increases tuition,would class size decline?
D)Should the college reduce tuition to stimulate enrollment?
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Multiple Choice
Q 32Q 32
________ is a simplified representation of an economic environment.
A)An economic model
B)Microeconomics
C)Scarcity
D)Normative analysis
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Multiple Choice
Q 33Q 33
Economists employ economic models:
A)because reality is complex.
B)to make the field more scientific.
C)to make reality more complex.
D)because economic theory is too easy without them.
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Multiple Choice
Q 34Q 34
When economists construct economic models:
A)all but the essential features of the environment are eliminated.
B)all the essential features of the environment are eliminated.
C)only mathematical equations are used.
D)every detail found in reality must be included.
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Multiple Choice
Q 35Q 35
Talking about alternatives is the first step in a process that helps us make better choices about how we use our resources.
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True False
Q 36Q 36
Scarcity is a situation in which resources are limited in quantity and can be used in different ways.
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True False
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True False
Q 38Q 38
Most modern economic analysis is positive in nature,but many issues also involve questions with normative economics.
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True False
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True False
Q 40Q 40
Positive economics questions "What ought to be?" while normative economics predicts the consequences of alternative actions,answering the questions,"What is?" or "What will be?"
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True False
Q 41Q 41
Normative economics questions,"What ought to be?" Positive economics predicts the consequences of alternative actions,answering the questions,"What is?" or "What will be?"
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True False
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True False
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True False
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True False
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Essay
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Essay
Q 47Q 47
Richard runs a pizza delivery restaurant.List the three basic types of decisions economics studies and give an example from Richard's restaurant.
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Essay
Q 48Q 48
London reduced its road congestion by:
A)banning cars in the inner city during the daytime.
B)making city buses free.
C)raising the fare for the London subway system,the Underground.
D)imposing a daytime driving tax.
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Multiple Choice
Q 49Q 49
If each extra driver on the road makes every other drivers commute last one minute longer and there are 600 drivers on the road,then one extra driver costs society:
A)1 hour extra in commuting time.
B)10 hours extra in commuting time.
C)100 hours extra in commuting time.
D)10 extra minutes in commuting time.
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Multiple Choice
Q 50Q 50
According to the text,economists identify that the reason why traffic congestions exists and waste large amounts of resources in the economy is because:
A)the drivers are not mindful of the additional time they impose on other drivers if they enter a highway.
B)the cars are too big.
C)the drivers are mindful of the additional time they impose on other drivers if they enter a highway.
D)the roads are too small.
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Multiple Choice
Q 51Q 51
According to the text,the solution economists propose to the problem of traffic congestion is to:
A)impose a tax for the use of a road during peak times.
B)make cars smaller.
C)make gasoline cheaper.
D)make the roads wider.
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Multiple Choice
Q 52Q 52
One efficient solution to congestion is to:
A)impose a congestion tax on drivers who use the road during the rush hour.
B)prevent cars from using the roads during the rush hour.
C)give subsidies to drivers who use the road during the rush hour.
D)lower gasoline taxes.
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Multiple Choice
Q 53Q 53
Economists have found that as a nation's economy grows:
A)the poorest families are left behind.
B)the poorest families have a decline in income.
C)the poorest families share in the prosperity.
D)the poorest families are unaffected.
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Multiple Choice
Q 54Q 54
According to the authors in this chapter,which of the following impedes entrepreneurship from thriving in Sub-Saharan Africa?
A)institutions
B)diseases
C)government policy
D)inflation
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Multiple Choice
Q 55Q 55
The worldwide recession in 2007 started from:
A)easy access to credit in the U.S.
B)booming housing prices that ultimately dropped.
C)a large number of home purchasers who were unable to afford the homes.
D)All of the above are correct.
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Multiple Choice
Q 56Q 56
Which of the following did NOT directly cause the worldwide recession in 2007-2008?
A)the decision by the government to bailout banks in 2008
B)easy access to credit in the U.S.
C)a large number of home purchasers who were unable to afford the homes
D)booming housing prices that ultimately dropped
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True False
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True False
Q 59Q 59
The recent experience of sub-Saharan Africa has taught economists that institutions such as the legal system and the regulatory environment play a key role in economic growth.
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True False
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True False
Q 61Q 61
According to the book,the general consensus is that our policy-makers do not know what they are doing and are managing our economy ineffectively.
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True False
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Essay
Q 63Q 63
Who is associated with the following summary of the economic way of thinking: "The theory of economics does not furnish a body of settled conclusions immediately acceptable to policy.It is a method rather than a doctrine,an apparatus of the mind,a technique of thinking which helps its processor draw correct conclusions."
A)John Maynard Keynes
B)Alfred Marshall
C)Adam Smith
D)President Harry Truman
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Multiple Choice
Q 64Q 64
The four elements of the economic way of thinking include all of the following EXCEPT:
A)economists use assumptions to make things simpler and focus attention on what really matters.
B)economic analysis often involves variables and how they affect one another.
C)economic analysis assumes that people act irrationally and that they are not motivated by self-interest.
D)economists often consider how a small change in one variable affects another variable.
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Multiple Choice
Q 65Q 65
Economists use assumptions to:
A)make things simpler.
B)focus on what really matters.
C)simplify decision-making.
D)all of the above
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Multiple Choice
Q 66Q 66
When you need to know how to get from San Francisco to New York,which of the following details regarding reality are deemed not important and are usually assumed to not be included in your map?
A)the temperature while you travel
B)the number of lanes on the freeway
C)the number of cars on the freeway
D)All of the above are deemed unimportant and are assumed as not included in your map.
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Multiple Choice
Q 67Q 67
A variable is:
A)something that always has the same value.
B)something that can take on different values.
C)something that cannot be measured.
D)something that varies over time.
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Q 68Q 68
Which of the following is a variable?
A)your GPA
B)your hourly wage
C)the price of gasoline
D)All of the above are correct.
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Multiple Choice
Q 69Q 69
The Latin phrase ceteris paribus means that when a relationship between two variables is being studied:
A)both are treated as unpredictable.
B)neither of those two variables is allowed to change.
C)all other variables are held fixed.
D)we recognize that some factors are unknown.
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Multiple Choice
Q 70Q 70
Ceteris paribus is the Latin expression meaning:
A)other variables are held fixed.
B)let buyer beware.
C)think at the margin.
D)for every action there is an equal and opposite reaction.
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Multiple Choice
Q 71Q 71
To think at the margin means to consider:
A)how nothing remains constant over time.
B)how a small change in one variable affects another variable.
C)how people behave in their own self-interest.
D)how people will decide what to purchase.
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Multiple Choice
Q 72Q 72
A student has a D grade average in her accounting course and a B grade average in her economics course.She decides to study an extra hour for her accounting exam and one less hour for her economics exam hoping to improve her accounting grade while not hurting her economics grade.This is an example of:
A)thinking at the margin.
B)using assumptions to simplify.
C)ceteris paribus.
D)caveat emptor.
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Multiple Choice
Q 73Q 73
A small change in a relevant variable is:
A)an average change.
B)a ceteris paribus change.
C)an efficient change.
D)a marginal change.
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Multiple Choice
Q 74Q 74
Which of the following is an example of a marginal question?
A)How much will my chances of finding a job improve if I raise my GPA from a C to a C+ grade average?
B)What is the average cost of a college education?
C)How many students borrow money in order to attend college?
D)What is the average income of a college graduate?
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Multiple Choice
Q 75Q 75
Which of the following is NOT an example of a marginal question?
A)How many more years of education must I take if I want to get a Ph.D.in economics?
B)How many more dollars will I earn in my lifetime if I get my Master's degree?
C)How many students borrow money in order to attend college?
D)How many more points will I expect to have if I study an hour longer?
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Multiple Choice
Q 76Q 76
Adam Smith is:
A)considered the founder of economics.
B)responsible for a branch of economics bearing his name.
C)responsible for refining the model of supply and demand.
D)the author of this text.
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Multiple Choice
Q 77Q 77
When economists assume that people are rational and respond to incentives,they mean:
A)people act with kindness.
B)people are altruistic.
C)people act in their own self-interest.
D)none of the above.
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Multiple Choice
Q 78Q 78
An example of people acting in their own self-interest would include:
A)individuals joining a car pool to work when tolls are imposed on congested highways.
B)an adult,returning to college to pursue a degree to qualify for a promotion at work.
C)a teenager earns an A grade average in school in order to use his or her parent's car.
D)All of the above are examples of people acting in their own self-interest.
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Multiple Choice
Q 79Q 79
The economic view of traffic congestion considers:
A)that drivers ignore the costs they impose on other drivers by slowing other drivers' commute time.
B)that driving is a right.
C)that most drivers are not good defensive drivers.
D)that the amount of driving should be reduced.
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Multiple Choice
Q 80Q 80
What assumption was used by the authors of the book when analyzing the traffic congestion problem in London?
A)They assumed that all cars are of the same make and model.
B)They assumed that traffic congestion is the same during daytime and during nighttime.
C)They assumed that every car has the same effect on the travel time of other cars.
D)They assumed that travel via public transportation is less costly that travel by car.
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Multiple Choice
Q 81Q 81
The example about London's congestion problem illustrates which of the following economic ways of thinking?
A)isolate variables-ceteris paribus
B)use of assumptions to simplify
C)thinking at the margin
D)all of the above
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Multiple Choice
Q 82Q 82
In the Application,which of the following increased the incentive to buy hybrid vehicles?
A)Purchases of hybrid vehicles qualified for a $3400 subsidy from the federal government.
B)Oil prices decreased.
C)Hybrid vehicles were more expensive than regular vehicles.
D)Hybrid vehicles had similar emissions as the non-hybrid vehicles.
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Multiple Choice
Q 83Q 83
In the Application,which of the following decreased the incentive to buy hybrid vehicles?
A)Purchases of hybrid vehicles qualified for a $3400 subsidy from the federal government.
B)Oil prices increased.
C)Hybrid vehicles were more expensive than regular vehicles.
D)Hybrid vehicles had lower emissions than the non-hybrid vehicles.
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Multiple Choice
Q 84Q 84
In the Application,which of the following is NOT a way to reduce CO2 emissions in a country?
A)Improved building insulation.
B)Deforestations
C)Using energy efficient lighting
D)Using hybrid vehicles.
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Multiple Choice
Q 85Q 85
According to the application,one economic solution to spam is to:
A)subsidize spammers.
B)charge a $0.01 electronic stamp for each commercial email message.
C)outlaw the use of the Internet.
D)require Internet service providers to sue spammers.
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Multiple Choice
Q 86Q 86
The reason why spammers find it profitable to spam is because:
A)it does not cost the spammer anything to send a million emails.
B)it does not cost the spammer anything to receive a million emails.
C)it does not benefit the spammer anything to send a million emails.
D)it does not cost nor benefit the spammer anything to send a million emails.
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Multiple Choice
Q 87Q 87
Using assumptions to make things simpler and focus attention on what really matters is like using a road map to plan a trip.
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True False
Q 88Q 88
An example of analysis that involves variables and how they affect one another would include the relationship of the price of CDs to the quantity of CDs purchased.
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True False
Q 89Q 89
A key assumption of most economic analysis is that people act rationally and in their own self-interest.
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True False
Q 90Q 90
The reason why economists do not need details regarding the topography of a region when determining driving directions is because economics is because economics desires unrealistic assumptions.
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True False
Q 91Q 91
The reason why economists do not need details regarding the topography of a region when determining driving directions is because the topography is irrelevant to complete your objective of getting to a certain place.
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True False
Q 92Q 92
Economists assume that individuals make informed decisions and act in their own self-interest.
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True False
Q 93Q 93
When a student is thinking at the margin,he analyzes how many more points he would get on his economics final exam if he devotes one more hour for studying.
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True False
Q 94Q 94
Unrealistic simplifying assumptions should be avoided because they cause the analysis that is based on the assumption to be incorrect.
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True False
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True False
Q 96Q 96
According to the Application,giving subsidies for the purchase of hybrid vehicles was the most efficient way for the government to reduce CO2 emissions.
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True False
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Q 98Q 98
What did Adam Smith mean when he wrote that individuals rationally act in their own self-interest?
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Q 99Q 99
Macroeconomics is best described as the study of:
A)very large issues.
B)the choices made by individual households,firms,and governments.
C)the nation's economy as a whole.
D)the relationship between inflation and wage inequality.
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Multiple Choice
Q 100Q 100
Which of the following is a macroeconomic question?
A)Will a constitutional amendment to balance the federal budget lead to good economic policy?
B)Should a firm decide to enter a particular market?
C)Should the government prevent the merger of two large firms?
D)All of the above are macroeconomic questions.
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Multiple Choice
Q 101Q 101
Which of the following is a topic NOT directly under macroeconomics?
A)inflation
B)recessions
C)why the price of crude oil is high
D)All of the above are topics in macroeconomics.
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Q 102Q 102
Which of the following is NOT a macroeconomic question?
A)Should we have a constitutional amendment to balance the federal budget?
B)Do employers discriminate against women by paying them lower wages?
C)How does a political candidate's economic reform package affect the inflation rate?
D)All of the above are macroeconomic questions.
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Multiple Choice
Q 103Q 103
Which of the following is a macroeconomic question?
A)Should a country adopt policies to encourage personal savings?
B)Why do some countries grow faster than others?
C)Why do prices tend to increase over time?
D)All of the above are macroeconomic questions.
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Q 104Q 104
"By how much should the Fed increase the money supply to get the economy out of a recession?" is:
A)a microeconomic question.
B)both a microeconomic and macroeconomic question.
C)a macroeconomic question.
D)neither a microeconomic nor a macroeconomic question.
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Q 105Q 105
Which of the following is an example of how a business owner uses macroeconomics to make informed business decisions?
A)A business owner can use macroeconomics to determine whether college graduates are better employees than non-college graduates.
B)A business owner can use macroeconomics to predict whether the Fed will increase or decrease the interest rates in the future in order to determine whether to borrow money now or later.
C)A business owner can use macroeconomics to predict whether television prices will be higher today or in the future.
D)A business owner can use macroeconomics to predict it should sell more red t-shirts as opposed to white t-shirts.
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Multiple Choice
Q 106Q 106
Which of the following is a country whose economy shrank between the 1960s and 2001?
A)Sierra Leone
B)the United States
C)Mexico
D)Canada
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True False
Q 108Q 108
Topics regarding why an economy is in a recession is in the realm of macroeconomics,while topics concerning long term economic growth is not.
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True False
Q 109Q 109
Macroeconomics involves the study of the decision-making of individuals or individual firms.
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True False
Q 110Q 110
Macroeconomics helps explain economic fluctuations,why the economy shrinks and expands and why some of the economy's resources are idle.
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True False
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Q 113Q 113
The study of the choices made by individual households,firms,and government is called:
A)macroeconomics.
B)microeconomics.
C)managerial economics.
D)market economics.
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Q 114Q 114
Microeconomics is best described as the study of:
A)the choices made by individual households,firms,and governments.
B)inflation,unemployment,gross national product,and the nation's economy as a whole.
C)how markets interact in the aggregate economy.
D)marginal changes in the economy.
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Q 115Q 115
Microeconomic analysis can be used to:
A)better understand how markets work.
B)make personal or managerial decisions.
C)evaluate the merits of public policies.
D)All of the above are correct.
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Q 116Q 116
When we study the effect of how a beer tax may decrease the number of highway deaths,we use microeconomics to:
A)better understand how markets work.
B)make personal or managerial decisions.
C)evaluate the merits of public officials.
D)A and C are correct.
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Q 117Q 117
Microeconomics is the study of the choices made by ________ and how these choices affect the markets.
A)households only
B)the government only
C)firms only
D)households,firms and governments
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Q 118Q 118
"How many iPhones will Apple,Inc.sell this year?" is:
A)a microeconomic question.
B)both a microeconomic and macroeconomic question.
C)a macroeconomic question.
D)neither a microeconomic nor a macroeconomic question.
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Q 119Q 119
Which of the following is a topic under microeconomics?
A)money supply
B)exchange rates
C)why the price of gold is rising
D)All of the above are topics in microeconomics
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Q 120Q 120
We can use microeconomic analysis to:
A)learn how to balance a checkbook.
B)evaluate the merits of public policies.
C)understand marginal changes in the macroeconomy.
D)All of the above are correct.
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Q 121Q 121
Studies that look into the effects of state education spending cuts on the poverty rates of minorities use:
A)microeconomics to evaluate the merits of public policies.
B)microeconomics to understand markets and predict changes.
C)microeconomics to understand marginal changes in the macroeconomy.
D)microeconomics to make managerial and personal decisions.
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Q 122Q 122
In making stock buy or sell recommendations,most stock analysts use microeconomics:
A)to evaluate the merits of public policies.
B)to understand markets and predict changes.
C)to understand marginal changes in the macroeconomy.
D)to make managerial and personal decisions.
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Q 123Q 123
When after seeing the current mortgage interest rates and immediately deciding to start the search for a new house,you are using:
A)microeconomics to evaluate the merits of public policies.
B)microeconomics to understand markets and predict changes.
C)microeconomics to understand marginal changes in the macroeconomy.
D)microeconomics to make managerial and personal decisions.
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Q 124Q 124
We do NOT use microeconomic analysis:
A)to make personal and managerial decisions.
B)to evaluate the merits of public policies.
C)to explain why the U.S.is in a recession.
D)to understand markets and predict changes.
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Q 125Q 125
Which of the following is a microeconomic question?
A)Should we have a constitutional amendment to balance the federal budget?
B)Why do some countries grow faster than others?
C)Should the government prevent the merger of two large firms?
D)All of the above are microeconomic questions.
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Q 126Q 126
Which of the following is a microeconomic question?
A)Is it sensible for the government to subsidize college education?
B)Why do some countries grow faster than others?
C)Should Congress and the president take action to reduce the unemployment rate?
D)All of the above are microeconomic questions.
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Q 127Q 127
Which of the following is NOT a microeconomic question?
A)How does a particular health care reform program affect physicians' incomes?
B)What would happen to gasoline consumption if the gasoline tax were increased?
C)How should Judy decide how many hours to study for her economics exam?
D)All of the above are microeconomic questions.
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Q 129Q 129
Public policies such as the government subsidies for corn are topics of concern in microeconomics.
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Q 130Q 130
Government policies concerning the money supply and the control of inflation are topic of concern in microeconomics.
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Q 131Q 131
Microeconomics is the branch of economics that helps explain economic fluctuations,why the economy shrinks and expands and why some of the economy's resources are idle.
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Q 132Q 132
One example of a microeconomic question is,"How will prices in the satellite TV industry change if a new firm enters the market?"
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Q 135Q 135
A single variable can be illustrated as:
A)a bar graph.
B)a pie chart.
C)a time-series graph.
D)all of the above.
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Q 136Q 136
A straight line graph shows:
A)one variable.
B)the constant relationship between two variable.
C)the relationships among any number of variables.
D)none of the above.
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Multiple Choice
Q 137Q 137
Imagine that an upward sloping line is depicted in a graph with income per week on the y-axis and hours worked per week on the x-axis.From the graph,we can conclude that:
A)income and hours worked are negatively related.
B)income and hours worked per week are positively related.
C)hours worked are not related.
D)income and hours worked are equal.
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Multiple Choice
Q 138Q 138
Imagine that an upward sloping line is depicted in a graph with income per week on the y-axis and hours worked per week on the x-axis.The slope of the line in the graph depicts the:
A)minimum wage of the worker.
B)hourly wage of the worker.
C)the total monthly income of the worker.
D)increase in income earned by the worker per every year of service.
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Q 139Q 139
There is a positive relationship between two variables if the two variables:
A)have positive values.
B)move in opposite directions.
C)move in the same direction.
D)have negative values.
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Q 140Q 140
Allocating more hours toward studying for your economics exam gives you a higher grade.Based on this observation,hours and your economics grade exhibit:
A)a positive relationship.
B)a negative relationship.
C)no relationship.
D)an unpredictable relationship.
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Q 141Q 141
There is a negative relationship between two variables if the two variables:
A)are positive.
B)move in opposite directions.
C)move in the same direction.
D)are negative.
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Q 142Q 142
The slope of a straight line is calculated as:
A)the variable on the vertical axis divided by the variable on the horizontal axis.
B)the variable on the horizontal axis divided by the variable on the vertical axis.
C)the run over the rise.
D)the rise over the run.
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Q 143Q 143
The slope of a straight line is:
A)constant.
B)increasing.
C)increasing if the line is upward sloping.
D)increasing if the line is downward sloping.
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Q 144Q 144
If a variable is 100 and then increases to 150,then using the initial value approach its percentage growth is:
A)-50 percent.
B)15 percent.
C)40 percent.
D)50 percent.
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Multiple Choice
Q 145Q 145
If you use the midpoint method to describe the change in the number of lanes from 1 to 2,then the percent change you would calculate is:
A)66 percent.
B)50 percent.
C)100 percent.
D)33 percent.
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Q 146Q 146
If the government converted the highway from 4 lanes into 6 lanes,then using the regular method of calculating percentages,the percentage increase would have been ________ percent.If the government converted the highway from 6 lanes into 4 lanes,then using the regular method,the percentage increase would have been ________ percent.
A)40;40
B)50;33
C)100;50
D)33;33
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Q 147Q 147
If the government converted the highway from 4 lanes into 6 lanes,then using the midpoint method,the percentage increase would have been ________ percent.If the government converted the highway from 6 lanes into 4 lanes,then using the midpoint method,the percentage increase would have been ________ percent.
A)40;40
B)33;50
C)100;50
D)33;33
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Multiple Choice
Q 148Q 148
If a variable is 100 and then increases to 150,then using the average value approach its percentage growth is:
A)-50 percent.
B)15 percent.
C)40 percent.
D)50 percent.
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Multiple Choice
Q 149Q 149
If a variable is 100 and then decreases to 60,then using the initial value approach its percentage decline is:
A)-40 percent.
B)160 percent.
C)40 percent.
D)50 percent.
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Q 150Q 150
Figure 1.1
-Refer to Figure 1.1.The relationship between hours worked and income,as shown by the graph in Figure 1.1 is:
A)negative.
B)positive.
C)nonlinear.
D)exponential.
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Multiple Choice
Q 151Q 151
Figure 1.1
-Refer to Figure 1.1.Slope of the relationship or the wage rate shown in Figure 1.1 is:
A)$5.15 per hour.
B)$10 per hour.
C)$13.33 per hour.
D)$15 per hour.
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Q 152Q 152
Figure 1.1
-Refer to Figure 1.1.If hours worked are zero in Figure 1.1,then income is:
A)zero.
B)$200.
C)$100.
D)$50.
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Q 153Q 153
Figure 1.1
-Refer to Figure 1.1.If income at zero hours worked increases in Figure 1.1,then the relationship:
A)becomes flatter.
B)becomes steeper.
C)shifts upward and to the left.
D)shifts down and to the right.
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Q 156Q 156
If one variable A falls as the other variable B falls,then a line generated by putting variable A on the x-axis and variable B on the y-axis should be upward sloping.
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Q 157Q 157
If one variable declines as the other variable declines,the two variables are negatively related.
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Q 160Q 160
Recall the Application about the government of Mexico City repainting highway lane lines to transform a 4-lane highway into a 6-lane highway to answer the following question(s).
-Using simple percentage change formulas,the percent change of the number of TVs from 1 to 2 should be the same if you instead go from 2 to 1.
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Q 161Q 161
Recall the Application about the government of Mexico City repainting highway lane lines to transform a 4-lane highway into a 6-lane highway to answer the following question(s).
-Using the midpoint formula,the percent change of the number of TVs from 1 to 2 should be the same if you instead go from 2 to 1.
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