ECO101H1 Lecture Notes - Lecture 1: Sunk Costs, Opportunity Cost, Marginal Cost

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Study of how rational people to make choices. Two key building blocks: opportunity cost, marginal analysis. The opportunity cost of an action is what one forgoes (gives up) by not taking the best alternative action. Note: if the opportunity cost of you taking an action is high, you are less likely to do so. The opportunity cost of spending is (since you could spend on other goods or services). Ex. 1 in 2014, the us economy recovered, and unemployment declined. If the opportunity cost of taking an action is high, the action is less likely to be taken: must identify the opportunity cost of attending university, and how this will change if unemployment falls and job opportunities increase. Opportunity cost of attending university for one year: If next best alternative is full-time work at ,000 per year. If next best alternative is to work full-time, but no work is available (high unemployment)

Related Questions

Can you solve them and tell me if youre sure 100% 100% 100%

Question 1 (1 point)

If two variables move together but are otherwise unrelated, we have

Question 1 options:

a fallacy of composition.

an econometric model.

a spurious correlation.

an efficiency problem.

evidence of a weak correlation but strong causation.

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Question 2 (1 point)

The Latin expression "ceteris paribus": is essential in ______.

Question 2 options:

collecting data.

identifying sunk costs.

evaluating theories.

recognizing scarcity.

developing spurious relationships.

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Question 3 (1 point)

Opportunity cost is best defined as

Question 3 options:

marginal cost minus marginal benefit.

the time spent on an economic activity.

the value of the best forgone alternative.

the monetary cost of an economic decision.

marginal cost plus marginal benefit.

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Question 4 (1 point)

A cost that cannot be recovered at the time a decision is being made is termed a(n)

Question 4 options:

marginal cost.

scarcity cost.

sunk cost.

average cost.

opportunity cost.

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Question 5 (1 point)

If the marginal costs of 1, 2, and 3 hours of talking on the phone are $50, $75, and $105, then the total costs are

Question 5 options:

$50, $150, and $315.

$50, $41.67, and $115.

$50, 125, and $230.

$50, $175, and $405.

impossible to calculate with information given.

Save

Question 6 (1 point)

In general, individuals should specialize in producing those goods for which they

Question 6 options:

can produce more quickly than others.

can produce less quickly than others.

have the lowest opportunity cost compared to others.

have the highest opportunity cost compared to others.

have an average opportunity cost.

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Question 7 (1 point)

The extra benefit that comes from an extra unit of activity is called the _________ of the activity.

Question 7 options:

benefit

marginal benefit

marginal cost

average benefit

reservation benefit

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Question 8 (1 point)

The marginal benefit of an activity is the

Question 8 options:

same as the total benefits of the activity.

total benefit divided by the level of the activity.

change in the activity divided by the change in benefits.

extra benefit associated with an extra unit of the activity.

total benefit divided by the change in the level of the activity.

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Question 9 (1 point)

The fundamental problem that is studied in economics is that

Question 9 options:

consumers have limited wants in the face of unlimited resources.

markets should function without government interference.

Canada is too wealthy.

consumers have unlimited wants in the face of limited resources.

there are unlimited resources.

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Question 10 (1 point)

The range of topics, or issues, that fit within the definition of economics is

Question 10 options:

limited to market activities, e.g., buying soap.

limited to individuals and firms.

extremely wide, requiring only the ideas of choice and scarcity.

limited to governments and nations.

very limited.

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Question 11 (1 point)

When economists make predictions using the framework of a given economic model, it is usually based on

Question 11 options:

personal experiences.

important relationships between particular variables.

mathematical abstractions.

political implications.

the profit-maximizing objective.

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Question 12 (1 point)

The cost of spending an evening partying instead of studying economics is

Question 12 options:

the resulting decrease in the test score in Economics.

the time spent at the party.

the score of the test.

the cost of the textbook.

university tuition.

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Question 13 (1 point)

As one progresses from a one-person economy to a large, multi-person economy, the shape of production possibilities curve changes from

Question 13 options:

downward sloping to upwards sloping.

linear to convex (bowed into the origin).

concave (bowed out from the origin) to linear.

convex (bowed into the origin) to concave (bowed out from the origin).

linear to concave (bowed out from the origin).

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Question 14 (1 point)

Which is NOT a sunk cost?

Question 14 options:

Monthly rent of $1,000 contractually specified in a one-year lease.

An insurance premium of $50 per year, paid last month.

An attorney's retainer of $50,000 per year.

A worker's wage of $15 per hour.

A non-refundable deposit for a tender.

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Question 15 (1 point)

"We should support government intervention because the market produces undesirable outcomes" is an example of

Question 15 options:

positive economics.

normative economics.

comparative economics.

negative economics.

formative economics.

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amberchimpanzee966

Microeconomics Multiple choice questions. Please answer all the questions.

1. Scarcity:
A. exists because resources are limited while human wants are unlimited.
B. means we are unable to have as much as we would like to have.
C. will likely be eliminated as technology continues to expand.
D. is not an issue addressed in economics.

2. People are forced to make choices because of:
A. unlimited wants and unlimited resources.
B. limited wants and unlimited resources.
C. unlimited wants and limited resources.
D. limited wants and limited resources.
E. irrational wants and limited resources.

3. Which of the following is closest to the definition of capital?
A. c and e.
B. c and d.
C. Tools, equipment, means of transportation
D. Factories and machinery.
E. Borrowed money.

4. Which one of the following is the most accurate definition of economics?
A. Economics is the study of stocks and bonds.
B. Economics is the study of how people allocate unlimited resources.
C. Economics is the study of how consumers choose to spend their income.
D. Economics is the study of how society chooses to allocate scarce resources.

5. The basic difference between macroeconomics and microeconomics is:
A. microeconomics concentrates on individual markets while macroeconomics focuses primarily on international trade.
B. microeconomics concentrates on the behavior of individual consumers while macroeconomics focuses on the behavior of firms.
C. microeconomics concentrates on the behavior of individual consumers and firms while macroeconomics focuses on the performance of the entire economy.
D. microeconomics explores the causes of inflation while macroeconomics focuses on the causes of unemployment.

6. Which of the following is not a resource?
A. Land.
B. Labor.
C. Money.
D. Capital.

7. Which of the following would an economist classify as capital?
A. 100 shares of Microsoft stock.
B. $50 bill.
C. credit card.
D. lawyer's personal computer.

8. Economics, according to its definition, studies how people:
A. earn and spend money.
B. invest in the stock and bond markets.
C. make choices in the face of scarcity.
D. supply goods in response to demand.

9. Which of the following is the best example of a microeconomic topic?
A. The impact that the money supply has on inflation.
B. The reasons for increases in the price of soft drinks.
C. The effect that federal budget deficits have on the interest rate.
D. The tradeoff between inflation and unemployment.

10. Which of the following is a macroeconomics topic?
A. Wages of textile workers in the Northeast.
B. The cost of producing 10,000 bookcases.
C. The economy's annual growth rate.
D. National demand for fish.
E. Effects of farm subsidies on food prices.

11. An economic theory claims that a rise in gasoline prices will cause gasoline purchases to fall, Ceteris paribus. The phrase "Ceteris paribus" means that:
A. other relevant factors like consumer incomes must be held constant.
B. the gasoline prices must first be adjusted for inflation.
C. the theory is widely accepted but cannot be accurately tested.
D. consumers' need for gasoline remains the same regardless of the price.

12. An economic model is:
A. a plastic scaled version of the economy.
B. a complete depiction of reality.
C. an abstraction from reality.
D. applicable to consumer behavior but not to producer behavior.
E. not an accepted tool of the economics profession.

13. Which of the following sayings best reflects the concept of opportunity cost?
A. "You can't teach an old dog new tricks."
B. "There is no such thing as a free lunch."
C. "I have a baker's dozen."
D. "There's no business like show business."

14. The opportunity cost of watching television is:
A. all of the alternative programs that appear on other stations.
B. zero because there is no money expenditure involved.
C. the alternative use of the time foregone by watching the program.
D. zero if it benefits you.

15. Which of the following does not illustrate opportunity cost?
A. If I study, I must give up going to the football game.
B. If I buy a computer, I must do without a 35" television.
C. More consumer spending now means more spending in the future.
D. If I spend more on clothes, I must spend less on food.

16. When deciding whether to buy a second car, marginal analysis indicates that the purchaser should compare the:
A. benefits expected from two cars with the cost of both.
B. additional benefits expected from a second car with the cost of the two cars.
C. dollar cost of the two cars with the potential income that the cars will generate.
D. additional benefits of the second car with the additional cost of the second car.

17. According to marginal analysis, you should spend more time studying economics if the extra benefit from an additional hour of study:
A. is positive.
B. outweighs the extra cost.
C. exceeds the benefits of the previous hour of study.
D. will raise your exam score.

1/ All the problems studied in economics arise from

a. the unequal distribution of income

b. the scarcity of resources

c. inappropriate government action

d. overpopulation

e. war

2/ The overall performance of the economic system as a whole is the focus of

a. macroeconomics

b. public economics

c. international finance

d. labor economics

e. microeconomics

3/ After graduating from high school, Steve had the following three choices for his immediate future, listed in order of preference: (1) attend our campus, (2) work in a printed circuit board factory, or (3) attend a rival college. His opportunity cost of going to college here includes which of the following?

a. The income he could have earned at the printed circuit board factory plus the direct cost of attending college here (tuition, textbooks, etc.)

b. The benefits he could have received from going to the rival college.

c. Only the tuition and fees paid for taking classes here.

d. Cannot be determined from the information given.

e. The cost of books and supplies at the rival college.

4/ The question of scarce resources and unlimited wants are addressed in

a. psychology

b. history

c. anthropology

d. political science

e. economics

5/ Consider an economic model designed to analyze the purchasing decisions of households. An assumption that a household chooses between only two goods would be an example of an

a. positive assumption

b. simplifying assumption

c. macroeconomic assumption

d. financial assumption

e. critical assumption

6/ Which of the following explains why economists may disagree over normative issues?

a. They have different beliefs and values.

b. They often employ different statistical techniques when examining data.

c. Some work only on microeconomic issues, while others focus exclusively on macroeconomic issues.

d. They examine the same data to draw their conclusions.

e. They need to disagree to publish their research findings.

7/ Suppose your friends take you out for dinner on your birthday, and you have a much better time than you would have had to do anything else. There is still an opportunity cost, even though they will not let you pay for anything. True/False

8/ Microeconomics

a. addresses scarcity from a global perspective

b. is purely theoretical and has little value in explaining real-world phenomena

c. focuses on what is happening in the economy as a whole

d. examines how individuals, households, and firms make economic decisions

e. answers the fundamental economic questions of how, when, where, and why.

9/ People and organizations have to make choices about how to allocate time and money because

a. religious values conflict with economics

b. time and money are both scarce

c. government require it

d. there are unlimited resources

e. corporations control our lives

10/ The objective of an economic model is to

a. yield a better understanding of important relationships

b. use simplifying assumptions to make positive economic statements

c. be an accurate description of reality

d. predict real-world occurrences with complete accuracy

e. use basic principles of economics to derive fundamental assumptions about human behavior.

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ECO101H1 Lecture Notes - Lecture 1: Sunk Costs, Opportunity Cost, Marginal Cost

ECO101H1 Full Course Notes

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