Chapter 1 Economics
When we say that an individual behaves according to ʺrational self-interest,ʺ we mean that this individual A) is motivated by greed. B) will always buy the most fashionable items available. C) will always buy the cheapest products available on the market. D) is making choices that they believe will leave him/her better off.
D) is making choices that they believe will leave him/her better off.
The study of economics can be divided into two areas, which are
Micro and Macroeconomics
________ are the things that are used to produce things that satisfy peopleʹs wants.
Resources
The basic economic problem is
Scarcity
According to economic theory, how do people make decisions?
They make decisions based on their own self-interest.
Consider the case of a teacher who tells students that those who miss more than three classes for any reason will automatically receive a lower grade.
This is an example of a negative incentive for students to attend class.
Deciding whether to go to the beach or to go to school is
an economic decision.
How does the science of economics deal with the fact that we all have different values?
by using positive analysis
Economics may be referred to as a(n) ________ science, meaning that data is looked at to see whether assertions are correct.
empirical
The Presidentʹs statement that ʺto encourage economic growth, taxes should be cut,ʺ
example of a normative statement.
By using the ceteris paribus assumption in conjunction with a model, economists can
hold certain factors constant.
Because resources are scarce relative to wants, the study of economics concerns
how individuals, businesses, and governments make choices.
Scarcity exists in the world because
human wants are unlimited.
Economic analysis is used
in all decision making
Positive economics
is objective
The rationality assumption states that
people do not intentionally make decisions that would leave them worse off.
When two variables have a direct relationship, the slope is
positive
The slope of a nonlinear curve is ________ when the curve is rising, and ________ when the curve is falling.
positive,negative
An incentive is a
reward for desired behavior.
Economists assume that people are motivated by
self-interests
Economic models are used to
simplify reality to predict outcomes.
Microeconomics is concerned primarily with
smaller units of the economy such as firms and households.
Economics is a
social science
Economics is a study of
the allocation of scarce resources
Economics is the study of
the allocation of scarce resources to satisfy unlimited wants.
Macroeconomics is concerned primarily with
the entire economy.
Why do economists test their hypotheses?Why do economists test their hypotheses?
to see whether their models predict the choices people will make
Resources are
used to produce goods and services to satisfy peopleʹs wants.
Suppose that on average there are five more car accidents for every extra inch of snowfall in a certain region. If snowfall is graphed on the y axis and car accidents on the x axis, then if we graph this relationship, the slope of the line will be
1/5
Which one of the following is an example of a normative statement? A) A vacation in Colorado is better than a vacation in Hawaii. B) Hotels in Colorado are more expensive than are hotels in Hawaii. C) The hotel vacancy rate in Hawaii will increase as airfares to Hawaii increase. D) The busiest tourist month in Colorado is July.
A) A vacation in Colorado is better than a vacation in Hawaii.
Which one of the following is an example of a normative statement? A) Public school teachers are not paid enough. B) The average public school teacher earns less than the average truck driver. C) The average public school teacher earns more than the average truck driver. D) Students in smaller classes perform better on standardized tests.
A) Public school teachers are not paid enough.
What would lead an economist to conclude that Theory A is superior to Theory B? A) Theory A predicts real-world events better than does Theory B. B) The assumptions underlying Theory A are more realistic than are the assumptions underlying Theory B. C) Theory A explains how people think, whereas Theory B only explains what they do. D) Theory A is based on the assumption that an individual typically cannot determine what is in his or her own best interest, whereas Theory B assumes that each person knows what is in his or her own best interest and acts accordingly.
A) Theory A predicts real-world events better than does Theory B.
Rational behavior for an economist means that individuals A) are motivated by self-interest. B) never change their minds. C) always make positive choices. D) are self-sacrificing.
A) are motivated by self-interest.
Which of the following would most likely be part of the study of microeconomics? A) how General Motors makes decisions regarding their production goals B) national income C) the total economic output of our domestic economy D) overall price stability in the United States
A) how General Motors makes decisions regarding their production goals
What type of economics would most typically deal with aggregates? A) macroeconomics B) microeconomics C) labor economics D) environmental economics
A) macroeconomics
Ceteris paribus means A) other variables are held constant. B) almost certainly. C) only if everything works just right. D) perhaps.
A) other variables are held constant.
Macroeconomics might study which of the following? A) the causes of domestic unemployment B) decision making undertaken by firms C) decision making undertaken by households D) determinants of the prices of rare goods (e.g., diamonds)
A) the causes of domestic unemployment
If the slope of a curve is 1/5, we know that A) the relationship is linear, and the line moves from lower left to upper right. B) the relationship is non-linear, and the line moves from lower left to upper right. C) the relationship is linear, and the line moves from upper left to lower right. D) the relationship is non-linear, and the line moves from upper left to lower right.
A) the relationship is linear, and the line moves from lower left to upper right.
The value of a model is determined by A) the usefulness of its predictions in the real world. B) the extent of the profit earned by applying it. C) the realism of its assumptions. D) the modelʹs attention to real world details.
A) the usefulness of its predictions in the real world.
The idea of bounded rationality is used to address all of the following characteristics EXCEPT A) unbounded selfishness. B) unbounded knowledge. C) unbounded willpower. D) unbounded rationality.
A) unbounded selfishness.
The author of the book An Inquiry into the Nature and Causes of the Wealth of Nations is
Adam Smith.
Which of the following is a normative economic statement? A) Few auto mechanics are women. B) Men and women should earn the same salary if they perform the same job. C) Auto mechanics typically earned more than waitresses in the United States in 2004. D) Most waitstaff are women.
B) Men and women should earn the same salary if they perform the same job.
The study of how a particular firm might choose to maximize its profits would fall into what type of analysis? A) macroeconomics B) microeconomics C) labor economics D) aggregate economics
B) Microeconomics
Which of the following is a normative economic statement?A) If the government increases spending, unemployment will fall. B) The government should increase spending during times of economic recession. C) If banks create more money, unemployment will decrease. D) If the price of gasoline rises, car pooling will increase.
B) The government should increase spending during times of economic recession.
Which of the following is a positive statement? A) An unemployment rate of 5.8 percent is too high. B) The unemployment rate is 5.8 percent. C) The unemployment rate should be below 5.8 percent. D) The unemployment rate should never be above 5.8 percent.
B) The unemployment rate is 5.8 percent.
The relationship between beers consumed the night before an exam and test grade will be graphed as A) a line sloping down from upper right to lower left. B) a line sloping down from upper left to lower right. C) a circle. D) a u-shaped curve
B) a line sloping down from upper left to lower right.
The difference between positive statements and normative statements is that A) a positive statement involves a value judgment and a normative statement is a statement of fact. B) a positive statement is a statement of fact and a normative statement involves value judgments. C) value judgments are made in normative statements but assumed in positive statements. D) normative statements are provable while positive statements are not.
B) a positive statement is a statement of fact and a normative statement involves value judgments.
Economic models A) should be designed so as to capture every detail or interrelationship that exists. B) are simplified representations of the real world. C) must employ the use of laboratory methods. D) All of the above are correct.
B) are simplified representations of the real world.
Consider the statement, ʺThe number of beers consumed the night before a test affects the grade.ʺ In this statement A) beer is the dependent variable and test grade is the independent variable. B) beer is the independent variable and test grade is the dependent variable. C) both beer and grade are dependent variables. D) both beer and grade are independent variables.
B) beer is the independent variable and test grade is the dependent variable.
If the government offers to reduce your property taxes by 10 percent if you install solar heating for your home, this would be an example of A) police power. B) incentives. C) disincentives. D) ceteris paribus.
B) incentives.
ʺThe U.S. government should not use my tax dollars to subsidize people on welfareʺ A) is a positive economic statement because it simply describes one personʹs opinion. B) is a normative economic statement because it involves a value judgment about an economic policy. C) is a positive economic statement because it predicts that my tax dollars will go to welfare. D) is a normative economic statement because it is a scientific fact.
B) is a normative economic statement because it involves a value judgment about an economic policy.
Economic theory predicts that people make choices in a manner that A) makes them well liked by others. B) makes them better off. C) reflects the fact that resources are unlimited. D) shows that they do not respond to monetary incentives.
B) makes them better off.
1) Which of the following is NOT studied in microeconomics?A) the effect of an increase in gasoline taxes on the purchase of gasoline B) the impact of an increase in the unemployment rate on economic production C) the impact of higher wages on the production of steel in the United States D) the impact of higher fuel prices on the cost of airline tickets
B) the impact of an increase in the unemployment rate on economic production
Which of the following is a macroeconomic concern? A) the unemployment rate in a specific industry B) the national output of the United States C) wage levels in specific industries D) the operation of an individual firm
B) the national output of the United States
All of the following are aspects of macroeconomics EXCEPT A) the U.S. unemployment rate. B) the production decisions of a pharmaceutical firm. C) the budget deficit of the United States. D) foreign trade.
B) the production decisions of a pharmaceutical firm
Which of the following is a microeconomic concern? A) the rate of economic growth in the United States B) the current unemployment rate in the United States C) consumer behavior D) national output of the United States
C) consumer behavior
Which one of the following is an example of a normative statement? A) A digital camera costs more than a disposable camera. B) Most digital cameras sold in the United States are imported from other countries. C) A camera makes a good wedding gift. D) More people will buy digital cameras as their prices decline.
C) A camera makes a good wedding gift.
Ceteris paribus means
other things being equal.
Which of the following statements about economic models is true? A) A good economic model is complex. B) A good model does not rely on any assumptions. C) Every model is based on a set of assumptions. D) Economic models are designed to explain what people need.
C) Every model is based on a set of assumptions.
Which of the following is a positive economic statement? A) We should strive to achieve full employment in the United States. B) The President of the United States should promote stable prices in the United States. C) If the price of eggs increases, the quantity demanded of bacon will fall. D) We should try to eliminate poverty in the United States.
C) If the price of eggs increases, the quantity demanded of bacon will fall.
Which of the following is a normative statement? A) The Gross Domestic Product is the dollar value of all goods and services produced in a country in a year. B) Fiscal policy is determined by the Congress and the president. C) Tax cuts are good for the economy. D) Monetary policy is determined by the Federal Reserve System.
C) Tax cuts are good for the economy.
How could Adam Smithʹs comment about the butcher, the brewer, and the baker be accurately rephrased in modern terms? A) The butcher, the brewer, and the baker give us our dinner because they want to be well liked in the community. B) The butcher, the brewer, and the baker give us our dinner because they will be sued if they donʹt do so. C) The butcher, the brewer, and the baker give us our dinner because they each earn a living by doing so. D) The butcher, the brewer, and the baker give us our dinner because they view doing so as a public service.
C) The butcher, the brewer, and the baker give us our dinner because they each earn a living by doing so.
Which of the following is NOT a positive statement? A) The unemployment rate is 5.8 percent. B) The inflation rate for 2002 was 2.3 percent. C) The national debt is too high. D) The federal government budget for 2004 is $2.2 trillion.
C) The national debt is too high
Which of the following is a positive statement? A) We need to carefully protect our borders. B) Hyperinflation is the most damaging thing that can occur in an economy. C) When tax revenues are less than government spending there is a budget deficit. D) Foreign aid should be reduced to help our budget deficit.
C) When tax revenues are less than government spending there is a budget deficit.
An example of a microeconomic decision is a situation in which A) the Federal Reserve considers how much to increase the money supply during the coming month in an effort to constrain the rate of inflation. B) Congress and the president seek to reach a compromise on how much to increase government spending in an effort to influence national expenditures. C) a firm evaluates how much to reduce the price of its product in an effort to influence sales and boost its profits. D) the U.S. Treasury contemplates buying foreign currencies in an effort to influence exchange rates with an aim to boosting demand for U.S. goods and services.
C) a firm evaluates how much to reduce the price of its product in an effort to influence sales and boost its profits.
Which of the following is an example of an inverse relationship? A) hours of study and test grade B) calories eliminated from diet and weight loss C) beers consumed while studying and test grade D) amount of snowfall and profits of ski resorts
C) beers consumed while studying and test grade
The slope of a line is the A) change in the values along the x-axis divided by the change in the values along the y-axis. B) values on the x-axis divided by the values on the y-axis. C) change in the values along the y-axis divided by the change in the values along the x-axis. D) values on the y-axis divided by the values on the x-axis.
C) change in the values along the y-axis divided by the change in the values along the x-axis.
The term ceteris paribus is an economic assumption that means
other things being equal.
Which of the following is a microeconomic topic? A) the unemployment rate of the United States economy as a whole B) the rate at which prices increase in Brazil C) the advertising strategy of a particular company D) the increase in the national income of the United States over the past three months
C) the advertising strategy of a particular company
Assumptions in models tend to make A) the model predict what the scientist wants the results to be. B) the model more complex. C) the model more applicable to specific circumstances. D) the model always predict the future accurately.
C) the model more applicable to specific circumstances.
Which of the following would likely be considered as falling into the domain of microeconomics? A) the U.S. unemployment rate B) the Gross Domestic Product C) the price of apples D) the effects of fiscal policy on the U.S. economy
C) the price of apples
A direct relationship occurs when A) the two variables being compared change in opposite directions, or when one goes up the other goes down. B) a change in one of the variables causes a change in the other variable in any direction. C) the two variables being compared change in the same direction, or when one goes up the other also goes up. D) the two variables have no identifiable relationship with each other.
C) the two variables being compared change in the same direction, or when one goes up the other also goes up.
Which of the following article topics is a macroeconomic subject? A) a proposed merger between two companies B) the level of Christmas sales at a particular department store C) the unemployment rate of the United States economy as a whole D) the advertising strategy of a particular automobile firm
C) the unemployment rate of the United States economy as a whole
Which of the expressions below best describes the aim of economic theory? A) to predict how people think about money B) to understand why money motivates some people more than others C) to predict the choices people will make D) to learn what we can do to prevent people from having unrealistic wants
C) to predict the choices people will make
In the definition of economics
resources are limited and wants are unlimited.
Economics A) is a social science. B) is concerned with limited resources. C) is concerned with unlimited wants. D) All of the above are correct.
D) All of the above are correct.
five-cent deposit on beer bottles A) provides a positive incentive because it rewards people for recycling. B) provides a negative incentive because it punishes people who do not recycle. C) has no impact on recycling. D) Both A and B are correct.
D) Both A and B are correct.
What is meant by saying that economics is an empirical science? A) Economic theories do not need to be tested because they are based on true assumptions. B) Economic theories cannot be tested because there is no means of measuring economic variables with adequate precision. C) Economic theories cannot be tested because economic variables change too quickly. D) Economic theories will be tested by seeing how well they correspond to real-world phenomena.
D) Economic theories will be tested by seeing how well they correspond to real-world phenomena.
Which one of the following is an example of a positive statement? A) Farmers need some type of government aid. B) State governments should provide economic assistance to farmers. C) The federal government should provide economic assistance to farmers. D) The amount of financial assistance given to farmers is higher this year than it was 10 years ago.
D) The amount of financial assistance given to farmers is higher this year than it was 10 years ago.
Based on your understanding of your roommateʹs preferences, you predict that he will select the spaghetti for his lunch at the cafeteria, but instead he chooses the gyros. How do you describe this event in terms of economic theory? A) Your roommate is irrational. B) Your roommate does not know what is in his own best interests. C) You roommate does not know his own preferences as well as you do. D) You constructed a model that made a prediction, and the prediction was refuted.
D) You constructed a model that made a prediction, and the prediction was refuted.
All of the following are positive statements EXCEPT A) the President of the United States in 2003 was George W. Bush. B) California is in the United States. C) migratory birds fly south for the winter. D) a dog is manʹs best friend.
D) a dog is manʹs best friend.
Which of the following terms identifies something that macroeconomists would study but that Microeconomists would NOT? A) incentives B) resources C) rationality D) aggregates
D) aggregates
2) All of the following are examples of macroeconomic problems EXCEPT A) inflationary pressures caused by an increase in the cost of petroleum. B) unemployment caused by a fall off in the level of residential construction. C) a decline in the rate of overall economic growth. D) consumers deciding to buy more fish and less beef because of concerns about a healthier diet.
D) consumers deciding to buy more fish and less beef because of concerns about a healthier diet.
Ceteris paribus means A) all men are created equal. B) wage parity between men and women is a worthy goal. C) there are an infinite number of factors affecting each human decision and they change all the time. D) economists isolate one or two factors that change when analyzing human decisions.
D) economists isolate one or two factors that change when analyzing human decisions.
All of the following are aspects of microeconomics EXCEPT A) monopolies. B) a firm maximizing profit. C) a worker choosing one job over another. D) the average level of prices of all goods and services produced in a country in a year .
D) the average level of prices of all goods and services produced in a country in a year .
Which of the following is an aggregate? A) the number of shoes in one manʹs closet B) the bushels of apples one farmer sells C) the cost of a particular textbook D) the total production of all goods and services
D) the total production of all goods and services
High gasoline prices give people all of the following incentives EXCEPT A) to drive less. B) to carpool. C) to buy a hybrid car. D) to buy a new SUV
D) to buy a new SUV
Positive analysis can be described as
a value-free approach to inquiry.
An inverse relationship will be graphed as
a line that is downward sloping
The impact of an increase in the gasoline tax on SUV sales is
a microeconomics topic because it deals with one industry.
The headline in the local paper today is ʺCollege tuition next fall will be raised by 3 percent.ʺ This statement is an example of
a positive statement
Economic analysis is
a tool that can aid all decision making.
Aggregate measures are
a total measure of a variable across the economy
If an increase in one variable causes a decrease in another variable there is
an inverse relationship
Normative economic statements
are statements of ʺwhat ought to be.ʺ
The combination of psychology and economics to determine individual decision making is known as
behavioral economics.
Charitable donations to the Red Cross
can be explained by the rational self-interest theory.
A positive economic statement is one that
can be refuted.
In building a model the assumption that allows economists to study only the factors being analyzed is the
ceteris paribus assumption.
In building a model to analyze economic situations, one of the important assumptions is
ceteris paribus.
slope of a nonlinear curve
changes along the various points of the curve
Economics is the study of how people make A) judgments.
choices
Underlying economic theory is the idea that
choices are affected by both positive and negative incentives.
Microeconomics studies
decisions made by individual consumers and firms.
Assumptions are necessary to
define a set of circumstances where a model is most likely to apply.
A relationship between two variables in which one variable increases at the same time that the other increases is called
direct
According to economists, when two people make exactly the opposite decision,
each person evaluates the situation according to his/her individual self-interest.
Microeconomics is the study of
individual decision making
A relationship between two variables in which one variable increases at the same time as the other decreases is called
inverse
Normative economics
involves value judgments.
A theory or a model
is a simplified, abstract view of reality.
When the Board of Governors of the Federal Reserve Bank, chaired by Ben Bernanke, determines the discount rate, it is using
macroeconomic theories
In constructing models, economists
make simplifying assumptions
Individual decision making by consumers and producers is the focus of
microeconomics
If a straight line crosses the Y-axis at 5 and crosses the X-axis at 10, we can conclude that the slope of the line is
negative
When two variables have an inverse relationship, the slope is
negative
An inverse relationship
one variable rises while the other falls
The intersection of the x axis and the y axis is called the
origin.
The ceteris paribus assumption means
other things are equal.
Economics seeks to use only positive analysis to
provide a value-free analysis.
Rational self-interest means
pursuing what makes you better off.
It is assumed in economics that people make decisions based upon
rational self-interest.
The idea that people will not consciously make decisions that make them worse off is known as
rationality assumption.
A negative slope
represents an inverse relationship
Scarcity
requires individuals to make choices
The assumption that individuals do NOT intentionally make decisions that would leave them worse off is referred to as
the rationality assumption.
If a teacher tells a student that those who attend the study session typically score higher on the final exam,
the student has a positive incentive to attend the study session because she may get a higher grade.
Economics is most precisely defined as
the study of how people make choices.
Economics does NOT concern itself with
what people think.
The ʺpaired observationʺ of (-14, -6) means
x = -14, y = -6
The ʺpaired observationʺ of (14, 6) means
x = 14, y = 6