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ECN 104 Study Guide - Midterm Guide: Perfect Competition, Ballet Shoe, Xenophobia

Course Code
ECN 104
Tsogbadral Galaabaatar
Study Guide

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Chapter 1
1. Which of the following statements is NOT true? Households and economies both
a. must allocate scarce resources.
b. face many decisions.
c. face tradeoffs.
d. must have a central decision maker.
2. Which of the following is NOT included in the decisions that every society must
a. what goods will be produced
b. who will produce the goods
c. what determines consumer preferences
d. who will consume the goods
3. For what reason do both households and societies face many decisions?
a. because resources are scarce
b. because populations may increase or decrease over time
c. because wages for households and therefore society fluctuate with business cycles
d. because people, by nature, tend to disagree
4. When does scarcity exist?
a. when there is less than an infinite amount of a resource or good
b. when society can meet the wants of every individual
c. when there is less of a good or resource available than people wish to have
d. when the government fails to produce goods
5. Which of the following goods best meets the definition of scarcity?
a. air
b. water in the ocean
c. water in a city
d. wood in a forest
6. What does economics study?
a. how society manages its scarce resources
b. the government's role in society
c. how to increase production
d. how firms make profits
7. What concept is illustrated by the adage, "There is no such thing as a free lunch"?
a. tradeoffs
b. scarcity
c. productivity
d. efficiency

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8. Henry decides to spend 2 hours playing golf rather than working at his job which
pays $8 per hour.
What is Henry's tradeoff?
a. the $16 he could have earned working for 2 hours
b. nothing, because he enjoys playing golf more than working
c. the increase in skill he obtains from playing golf for those 2 hours
d. nothing, because he spent $16 for green fees to play golf 2
9. Which of the following best defines efficiency?
a. absolute fairness
b. equal distribution
c. minimum waste
d. consumer sovereignty
10. In which of the following situations would economists use the word equity?
a. Each member of society has the same income.
b. Society is getting the most it can from its scarce resources.
c. Those in society who have the least will receive the most.
d. The benefits of society's resources are distributed fairly among society's
11. When government policies such as the welfare system try to help the neediest
members of society, what happens?
a. It increases equity and reduces efficiency.
b. It reduces charitable contributions in an economy.
c. It increases the productivity of the needy in the society.
d. It causes market failure to occur.
12. In economics, what is the cost of something?
a. the dollar amount of obtaining it
b. always measured in units of time given up to get it
c. what you give up to get it
d. usually higher than people think it will be
13. For most students, what is the largest single cost of a university education?
a. the wages given up to attend school
b. tuition, fees, and books
c. room and board
d. transportation, parking, and entertainment
14. Mallory decides to spend 3 hours working overtime rather than watching a
video with her friends. She earns $8 an hour. What is her opportunity cost of
a. the $24 she earns working
b. the $24 minus the enjoyment she would have received from watching the video
c. the enjoyment she would have received had she watched the video

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d. nothing, since she would have received less than $24 of enjoyment from the video
15. What do we know about college-age athletes who drop out of college to play
professional sports?
a. They are not rational decision makers.
b. They are well aware that their opportunity cost of attending college is very high.
c. They are concerned more about present circumstances than their future.
d. They underestimate the value of a college education.
16. How do people make decisions at the margin?
a. by following tradition
b. by experience
c. by calculating dollar costs
d. by comparing costs and benefits 3
17. What is a marginal change?
a. a long-term trend
b. a large, significant adjustment
c. a change for the worse, and so is usually short-term
d. a small incremental adjustment
18. After much consideration, you have chosen Cancun over Ft. Lauderdale for your
Spring Break trip this year.
For this decision to change, which of the following must occur?
a. The marginal benefit of Cancun must increase.
b. The marginal cost of Cancun must decrease.
c. The marginal benefit of Ft. Lauderdale must increase.
d. The marginal cost of Ft. Lauderdale must increase.
19. The average cost per seat on a bus trip from Montreal to Toronto is $140.
Suppose no refreshments are served and 3 seats are empty. How could the bus
company increase its profit?
a. if it charged no less than $140 for the 3 remaining seats
b. if it charged more than $140 for the 3 remaining seats
c. if it charged any ticket price above $0 for the remaining seats
d. if it left the seats empty
20. According to economists, what do people respond to?
a. laws
b. incentives
c. threats more than rewards
d. positives, but not negatives
21. In the former Soviet Union, producers were paid for meeting output targets, not
for selling products. Under those circumstances, what were the economic incentives
for producers?
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