大学MOOC 经济学(吉林建筑大学)1453176184 最新慕课完整章节测试答案
第一篇经济学导论
单元测验1第一篇经济学导论
1、单选题：
Microeconomics is often called
选项：
A: price theory.
B: decision science.
C: scarcity.
D: resource theory.
答案: 【 price theory. 】
2、单选题：
Society faces trade-offs because of
选项：
A: government regulations.
B: greedy corporations.
C: faceless bureaucrats.
D: scarcity.
答案: 【 scarcity. 】
3、单选题：
The purpose of making assumptions in economic model building is to
选项：
A: force the model to yield the correct answer.
B: minimize the amount of work an economist must do.
C: simplify the model while keeping important details.
D: express the relationship mathematically.
答案: 【 simplify the model while keeping important details. 】
4、单选题：
Which of the following is true?
选项：
A: Efficiency refers to the size of the economic pie; equality refers to how the pie is divided.
B: Government policies usually improve upon both equality and efficiency.
C: As long as the economic pie continually gets larger, no one will have to go hungry.
D: Efficiency and equality can both be achieved if the economic pie is cut into equal pieces.
答案: 【 Efficiency refers to the size of the economic pie; equality refers to how the pie is divided.】
5、单选题：
The opportunity cost of an item is
选项：
A: the number of hours needed to earn money to buy the item.
B: what you give up to get that item.
C: usually less than the dollar value of the item.
D: the dollar value of the item.
答案: 【 what you give up to get that item.】
6、单选题：
Rational people make decisions at the margin by
选项：
A: following marginal traditions.
B: following marginal traditions.
C: thinking in black-and-white terms.
D: comparing marginal costs and marginal benefits.
答案: 【 comparing marginal costs and marginal benefits.】
7、单选题：
People are likely to respond to a policy change
选项：
A: only if they think the policy is a good one.
B: only if the policy change changes the costs of their behavior.
C: only if the policy change changes the benefits of their behavior.
D: if the policy changes either the costs or benefits of their behavior.
答案: 【 if the policy changes either the costs or&nbs