大学MOOC 经济学导论(武汉商学院)1451601186 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 benefits of their behavior.】
8、单选题：
The invisible hand works to promote general well-being in the economy primarily through
选项：
A: government intervention.
B: the political process.
C: people’s pursuit of self-interest.
D: altruism.
答案: 【 people’s pursuit of self-interest. 】
9、单选题：
Causes of market failure include
选项：
A: externalities and market power.
B: market power and incorrect forecasts of consumer demand.
C: externalities and foreign competition.
D: incorrect forecasts of consumer demand and foreign competition.
答案: 【 externalities and market power.】
10、单选题：
What is the most important factor that explains differences in living standards across countries?
选项：
A: the quantity of money
B: the level of unemployment
C: productivity
D: equality
答案: 【 productivity】
11、单选题：
A circular-flow diagram is a model that
选项：
A: helps to explain how participants in the economy interact with one another.
B: helps to explain how people make decisions.
C: incorporates all aspects of the real economy.
D: helps to explain how the economy works as a whole.
答案: 【 helps to explain how participants in the economy interact with one another. 】
12、单选题：
Production is efficient if the economy is producing at a point
选项：
A: on the production possibilities frontier.
B: outside the production possibilities frontier.
C: on or inside the production possibilities frontier.
D: inside the production possibilities frontier.
答案: 【 on the production possibilities frontier.】
13、单选题：
The opportunity cost of obtaining more of one good is shown on the production possibilities frontier as the
选项：
A: amount of the other good that must be given up.
B: market price of the additional amount produced.
C: amount of resources that must be devoted to its production.
D: number of dollars that must be spent to produce it.
答案: 【 amount of the other good that must be given up.】
14、单选题：
Normative statements are
选项：
A: descriptive.
B: claims about how the world should be.
C: claims about how the world is.
D: made by economists speaking as scientists.
答案: 【 claims about how the world should be.】
15、单选题：
When can two countries gain from trading two goods?
选项：
A: when the first country can only produce the first good and the second country can only produce the second good
B: when the first country can produce both goods, but can only produce the second good at great cost, and the second country can produce both goods, but can only produce the first good at great cost
C: when the first country is better at producing both goods and&nb