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101) Related to the Economics in Practice on page 25: Which one of the following occurs when an
individual enters the paid work force?
A) The opportunity cost of time for housework increases, because time spent on housework could be
spent on money–earning activities.
B) The opportunity cost of time for housework increases, because money earned at a job can allow
individuals to pay someone to do household chores that the individuals used to do themselves.
C) The opportunity cost of time for housework decreases, because increased earning power makes
individuals less likely to do their own housework.
D) The opportunity cost of time for housework decreases, because as more people enter the work force,
businesses have greater incentives to develop innovations that make housework more efficient.
Topic: Scarcity, Choice, and Opportunity Cost: Economics in Practice
Skill: Analytical
AACSB: Analytical Thinking
Learning Outcome: Micro–20
102) Related to the Economics in Practice on page 25: How did the introduction of the microwave oven in
1960 affect the market for frozen food?
A) It encouraged people to leave the work force by making cooking easier and less time–consuming.
B) It reduced the opportunity cost of eating frozen food by decreasing the amount of time required to
prepare frozen meals.
C) It increased the financial cost of alternative methods of food preparation, such as conventional ovens.
D) It made frozen foods more appealing by increasing the variety of meals that could be frozen and
reheated.
Topic: Scarcity, Choice, and Opportunity Cost: Economics in Practice
Skill: Analytical
AACSB: Analytical Thinking
Learning Outcome: Micro–20
103) Related to the Economics in Practice on page 35: In the survey conducted by Esther Duflo and Abhijit
Banerjee, the extremely poor were found to consume ________ of their budgets on food compared to
people in the United States.
A) a significantly higher percentage
B) about the same percentage
C) a slightly lower percentage
D) approximately 50 percent less
Topic: Scarcity, Choice, and Opportunity Cost: Economics in Practice
Skill: Fact
Learning Outcome: Micro–25